• T6 Pro Thermostat
• UWP Mounting System
• Honeywell Standard Installation Adapter (J-box adapter)
• Honeywell Decorative Cover Plate –Small; size 4-49/64 in x 4-49/64 in x11/32 in (121 mm x 121 mm x 9 mm)
• Screws and anchors
• 2 AA Batteries
• Installation Instructions and User Guide

Optional Cover Plate installation

NOTE: If an Optional cover plate is not required, see “UWP Mounting System installation” on the next page.

Use the Optional Cover Plate when:

• Mounting the thermostat to an electrical junction box
• Or when you need to cover the paint gap from the old thermostat.

1. Separate the Junction Box Adapter from the Cover Plate. See Figure 1.

2. Mount the Junction Box Adapter to the wall or an electrical box using any of the eight screw holes. Insert and tighten mounting screws supplied with Cover Plate Kit. Do not overtighten. See Figure 2. Make sure the Adapter Plate is level.

3. Attach the UWP by hanging it on the top hook of the Junction Box Adapter and then snapping the bottom of the UWP in place. See Figure 3.

4. Snap the Cover Plate onto the Junction Box Adapter. See Figure 4.

Package Includes

• T4 Pro Thermostat
• UWP™ Mounting System
• Decorative Cover Plate
• Screws and Anchors
• 2 AA Batteries
• Thermostat Literature

Read before installing

Thermostat controls

The screen will wake up by pressing any of the five buttons. If powered by the C wire, the screen stays lit for 45 seconds after you complete changes. If powered by battery only, the screen stays lit for 8 seconds. Depending on how your thermostat was installed, the screen light may always be on.

Customer assistance

For assistance with this product, please visit Honeywellhome.com/support

• T6 Pro Thermostat
• UWP Mounting System
• Honeywell Standard Installation Adapter (J-box adapter)
• Honeywell Decorative Cover Plate – Small; size 4-49/64 in x 4-49/64 in x 11/32 in (121 mm x 121 mm x 9 mm)
• Screws and anchors
• 2 AA Batteries
• Installation Instructions and User Guide

Optional Cover Plate installation

NOTE: If Optional Cover Plate is not required, see “UWP Mounting System installation” on next page.

Use the Optional Cover Plate when:

• Mounting the thermostat to an electrical junction box
• Or when you need to cover paint gap from old thermostat.

1. Separate the Junction Box Adapter from the Cover Plate. See Figure 1.
   
2. Mount the Junction Box Adapter to the wall or an electrical box using any of the eight screw holes. Insert and tighten mounting screws supplied with Cover Plate Kit. Do not overtighten. See Figure 2. Make sure the Adapter Plate is level.
3. Attach the UWP by hanging it on the top hook of the Junction Box Adapter and then snapping the bottom of the UWP in place. See Figure 3.
   
4. Snap the Cover Plate onto the Junction Box Adapter. See Figure 4.
   
5. Before starting, turn the power off at the breaker box or switch. Open package to find the UWP. See Figure 5.
   
6. Position the UWP on wall. Level and mark hole positions. See Figure 6. Drill holes at marked positions, and then lightly tap supplied wall anchors into the wall using a hammer. ‒ Drill 7/32” holes for drywall.
7. Pull the door open and insert the wires through wiring hole of the UWP. See Figure 7.
   
8. Place the UWP over the wall anchors. Insert and tighten mounting screws supplied with the UWP. Do not over tighten. Tighten until the UWP no longer moves. Close the door. See Figure 8.

Power options

Insert R and C wires into designated terminals for primary AC power (C terminal is optional if batteries are installed, but it is recommended). Remove wires by depressing the terminal tabs.

Insert AA batteries for primary or backup power.

Model: RTH65801006 & RTH6500WF Smart Series

Installing your thermostat

You might need the following tools to install this thermostat:

• No. 2 Phillips screwdriver
• Small pocket screwdriver
• Pencil
• Level (optional)
• Drill and bits (3/16” for drywall,
• 7/32” for plaster) (optional)
• Hammer (optional)
• Electrical tape (optional)

1. Switch OFF power to your heating/cooling system. Important! To protect your equipment, switch OFF the power to your heating/cooling system at the breaker box or the system switch.
2. Remove old thermostat faceplate and leave wires connected.2a. Take a picture of the wire connections for later reference.
   2b. If no wire is connected to a terminal labeled C or no C terminal exists on the old thermostat, view the Alternate Wiring videos at honeywellhome.com/wifi-thermostatIf you have an older thermostat with a sealed mercury tube, turn to page ii for proper disposal instructions.Important! C wire is required and is the primary power source for your thermostat. Without a C wire, your thermostat will not power up.
3. Label wires.Do not label by wire color. Use the supplied sticky tags to label each wire as you disconnect it. Label wires according to the old thermostat terminal designations, not by wire color. Note: If no tag matches a wire terminal label, write the terminal label on a blank tag.
4. Remove wallplate. Remove the old wall plate from the wall after all wires have been labeled and disconnected.
5. Separate thermostat and its wallplate.On your new thermostat, grasp the finger holds on the top and bottom of the wallplate with one hand and the thermostat (front) with the other hand. Pull pieces apart.
6. Mount wallplate for thermostat. Mount your new wallplate using screws and anchors included with the thermostat.If necessary:
   Drill 3/16-in holes for drywall. Drill 7/32-in holes for plaster.Note: You may be able to use your existing wall anchors. Hold the wallplate up to the existing anchors to check for alignment.

Important! The thermostat requires a C wire to operate. The C, or common, wire brings 24 VAC power to the thermostat. Many older mechanical or battery-operated thermostats do not require a C wire. If you don’t have a C wire, try:

• Looking for an unused wire that is pushed into the wall. Connect that wire to C and check that it is connected to the 24 VAC common at your heating/cooling system.

Note: Not all heating/cooling systems label the 24 VAC common C. Check your system manual or contact the manufacturer to find out which terminal is the 24 VAC common.

ADEMCO VISTA SERIES SECURITY SYSTEMS

Full User Guide Available Online: This Quick Guide describes the most frequently used features and functions of your system.

Congratulations on your ownership of a Honeywell Security System. This system provides:

• Three forms of detection: burglary, fire and emergency (see your installer for which forms of detection are installed)
• At least one keypad which provides control of system and displays system status
• Various sensors for perimeter and interior burglary detection
• Optional smoke or combustion detectors designed to provide early warning in case of fire.

Your system may also be programmed to automatically send alarm and status messages to a Central Monitoring Station.

SYSTEM BASICS

The following is a list of some of the most common features and functions of your system:

• Several modes of burglary detection: Stay, Night-Stay, Away, Instant, Maximum.
• Bypass feature lets you bypass selected zones while leaving the rest of the system armed.
• Chime mode alerts you to the opening of protected doors and windows while the system is disarmed.
• Fire and carbon monoxide detection are always active (if installed) and an alarm sounds if a fire or carbon monoxide condition is detected.
• Panic keys (if programmed) let you manually initiate a fire and personal alarms using the keypad.
• 4-digit security codes are used in conjunction with keypad command to perform system functions.
• Each user can be assigned a different security code, each with different authority levels.
• The system sensing devices have been assigned to various “zones,” which are specific areas of detection (e.g., front door, kitchen window, etc.).
• Zone numbers (points of detection) are displayed at the keypad when an alarm or trouble condition occurs.
• Partitions (VISTA-20P Series) provide two independent areas of detection plus an optional common zone area, with each partition containing a group of zones that can be armed and disarmed without affecting other zones or users.
• Function keys may have been programmed to perform various functions. Ask your installer if these keys are active.
• A Scheduling feature can be programmed to automatically perform certain functions (e.g., arm the system) at a predetermined time each day. See the full User Guide for details.

ENTRY/EXIT DELAYS

• Entry Delays give you time to disarm the system when you enter through the designated entrance door.
• You must disarm the system before the entry delay period ends, or an alarm will occur (keypad beeps during the entry delay period, reminding you to disarm the system).
• Exit delay gives you time after arming the system to leave through the designated exit door(s) without setting off an alarm. If programmed, a slow beeping will sound during the exit delay period until the last 10 seconds, which then changes to fast beeping (alerting you to the end of exit delay). If you cannot leave within this delay time period, you should stop, disarm the system, and start over to avoid a false alarm.
• See your installer for your delay times. See the full User Guide for details on Exit Error alarms.

NOTES on BURGLARY DETECTION

• The system must be armed before the burglary detection can sense intrusions.
• To arm your system, enter your security code followed by the desired arming key.
• To disarm the system, enter your security code then press the OFF key.
• When an alarm occurs, the keypad sounds and displays the zone(s) causing the alarm. The external sounder may also sound.
• If your system is connected to a Central Monitoring Station, an alarm message is also sent (delayed 30 seconds by default to reduce false alarms).
• To stop the alarm sounding, simply disarm the system.
• Memory of Alarm: When an alarm condition occurs, the keypad displays the number(s) of the zone(s) that caused the problem, and displays the type of alarm. Clear the Memory of Alarm display by entering another “off” sequence.

IMPORTANT: If you return to the premises and the main burglary sounder is on, or the keypad beeps rapidly upon entering the premises, it indicates that an alarm has occurred during your absence and an intruder may still be on the premises. LEAVE IMMEDIATELY and CONTACT THE POLICE from a nearby safe location.

CHECKING OPEN ZONES

Checking Zones: Before arming your system, all protected doors, windows and other detection zones must be closed or bypassed; otherwise the keypad displays “Not Ready.” GOTO: If the user is authorized, a keypad in one partition can be used to perform system functions in the other partition by using the GOTO command. Must use an Alpha keypad.

ARMING THE SYSTEM, CHIME MODE, and CONTROLLING DEVICES

Before arming, close all perimeter doors and windows and make sure the Ready to Arm message is shown. After arming, leave the premises through an entry/exit door during the exit delay period and be sure the door is reclosed to avoid causing an alarm.

DISARMING THE SYSTEM and SILENCING ALARMS

The 1 OFF key is used to disarm the system, silence alarm and trouble sounds, and clear memory of alarm displays.

Included in the box

Tools you will need

Tools you may need

Honeywell Wi-Fi Color Touchscreen Programmable Thermostat

Model: RTH9580 Wi-Fi

Welcome

Getting set up and ready is simple.

1. Install your thermostat.
2. Connect your home Wi-Fi network.
3. Register online for remote access.

Before you begin

Installation Intro

Switch OFF power to your heating/cooling system

Important! To protect your equipment, switch OFF the power to your heating/ cooling system at the breaker box or the system switch.

Confirm power is OFF. Try to turn on heating/cooling equipment by changing temperature on your old thermostat. Your power is OFF if your system does not turn ON.

This thermostat works with common 24 volt systems such as forced air, hydronic, heat pump, oil, gas, and electric. It will not work with millivolt systems, such as a gas fireplace, or with 120/240 volt systems such as baseboard electric heat.

Remove old thermostat faceplate and leave wires connected

Take a picture of the wire connections for later reference.

If no wire is connected to a terminal labeled C or no C terminal exists on the old thermostat, view the Alternate Wiring videos at wifithermostat.com/videos

If you have an older thermostat with a sealed mercury tube, see warning page for proper disposal instructions.

Label wires

Do not label by wire color. Use the supplied sticky tags to label each wire as you disconnect it. Label wires according to old thermostat terminal designations, not by wire color.

Note: If no tag matches a terminal designation, write the appropriate letter on a blank sticky tag.

Note: Wrap the wires around a pencil to prevent them from falling back into the wall.

Remove wallplate 

Remove the old wallplate from the wall after all wires are labeled and disconnected.

Mount wallplate for Wi-Fi thermostat Mount your new wallplate using screws and anchors included with the thermostat.

If necessary:

•  Drill 3/16-in holes for drywall
•  Drill 7/32-in holes for plaster

Note: You may be able to use your existing wall anchors. Hold the wallplate up to the existing anchors to check for alignment.

Connect wires

Important! C wire is required and is the power source. Without a C wire, your thermostat will not power up. View the Alternate Wiring videos at wifithermostat.com/videos

Starting with the C Wire, match the sticky tag on the wire to the terminal labels.

Straighten the wire and gently slide into terminal hole until it clicks into place. (If you need to remove a wire, use a pen tip to press the terminal release and then pull the wire out.)

Refer to the wiring picture you took in Step 1.2.

To make it easier to slide the wire into place, use a pen tip to hold down the terminal release.

The wiring for your application might be different than the wiring shown below.

Labels don’t match or have heat pump system? See User Guide.

In the image on the right, check the box next to each connection. You will use this checklist in Step 1.9.

Verify wire is firmly secured by gently pulling on wire.

Repeat steps a–d for all other wires.

Push any excess wire back into the wall opening after all wires are installed.

The L terminal on the lower right is used only for Heat Pump systems.

If the old thermostat for Heat Pump System has separate wires on Aux and E, use a wire nut to attach both wires to a separate wire. Slide this third wire into the W2-Aux/E terminal.

Check the box for each wire you connect. You will need this information in Step 1.9.

Labels don’t match or have heat pump system? See User Guide.

Attach thermostat to wallplate Align the thermostat with wallplate and snap into place.

ST9400C – User Guide
7 day Programmer
2 channel, 3 on/off per day

This document is to be left with the user and forms part of a Home Information Pack

Features

Easy to use slider and buttons combined with ‘LoT’™ Technology and a The ‘OK’ button, allows you to confirm changes and stay in control.
LoT™Technology provides you with informative ‘on-screen’ feedback and operational assistance as and when required.
Extra Large LCD (Liquid Crystal Display) with Backlight provides added user-friendliness and clearer viewing – even in the dark.
Independent 7-day Heating & Hot Water Programmes let you choose settings built into ST9400C for each day of the week to match your lifestyle while maximizing energy savings or altering them to your personal settings.
Automatic Summer/Winter Time Change will adjust the clock forward and backward automatically when the clocks change, saving you having to change your ST9400C every time.
Built-in Memory holds your program indefinitely – even if the mains power fails.

Energy Efficiency and the Environment

Home energy use is responsible for more than ¼ of the total UK carbon emissions which contribute to climate change. Heating and hot water systems based on
boilers account for this figure, so it is important to understand how your controls can help to maximize energy efficiency while maintaining your comfort.
Your Programmer should be used in conjunction with appropriate temperature controls. In order to save energy the following general points should be observed:

1. Ensure your system contains a room thermostat and a hot water thermostat, and that both are set to appropriate temperature levels: typically 20°C for the room temperature and between 55 – 60°C for the hot water temperature.
2. Program your heating and hot water to be off when you are not in the house.
   If you are concerned about possible frost damage to any exposed pipework, it is advisable to fit a frost protection system – your installer can advise you about this.
3. Think about how you use your domestic hot water – if you have a storage system, it is not necessary to have this switched on all the time, even when you are in the house.
4. Consider the heat-up times required for your central heating. Every home responds differently when the heating is switched on. Adjust the start time so that you are not cold when you get up in the morning. A shorter heat-up time is required for other heating periods.
5. In the evening, when the house is up to temperature, it is often possible to switch off the heating up to an hour before you go to bed, without any noticeable reduction in comfort.

ST9400C Controls Layout

Keep this document in a Home Information Pack

CONFIGURATION & SERVICE DATA

Boiler & System Service Log
The space below can be used to provide a record of boiler & system services and the names and contact numbers of the Installer and Service Personnel.
This information is important for a Home Information Pack.

General Description

Your Honeywell Home ST9400C provides timing control for both your central heating and hot water systems, letting you set ON and OFF periods to suit your own lifestyle.
The ST9400C does not directly control the temperature but works together with other temperature controls, such as room thermostats and cylinder thermostats, to control your heating and hot water system in your home.
With 7-day programming and up to 3 on/off periods per day, every day can be set differently, and heating and hot water can be set at different times from each other.
The following instructions explain how to program and use the ST9400C to provide the most home comfort at the least cost.

The way to use a Programmer

Think about the time periods when you are typically in the house and when you are not, and also the times when you use a lot of hot water. These are the times you should use as the basis for the programs. It will be necessary to allow some heat-up time for the heating system after periods when it has been off – this would typically be 1 – 1½ hours, depending on your house and your preferences.
Other features are commonly available on the Programmer to enhance comfort and convenience, for example, OVERRIDE, EXTRA HOUR, and MODE buttons.
A typical use of the OVERRIDE feature is when you return home unexpectedly for the rest of the day and the heating is off. Just press the heating OVERRIDE button and the heating will come on until the next program time, at which point it will follow the normal program. The advantage here is that you do not have to remember to switch off because the normal time program does this for you.
A typical use of the EXTRA HOUR button would be if you returned to the house for a short period when the heating and hot water were off. Pressing the appropriate
EXTRA HOUR button gives you 1, 2, or 3 hours of heating, exactly when you need it. Another typical use is when the heating is already on and you want it to stay on a little longer – just press EXTRA HOUR and, for that day only, an hour will be added to the end of the time at which heating normally goes off.
The MODE buttons allow you to select how you want to operate heating and hot water independently. The most obvious use is to switch heating OFF during the summer months, but you may also use this feature if you take a mid-week day off work, you can then set the MODE to ONCE to keep the system ON during the day from the first programmed ON time till the last programmed OFF time.

GETTING STARTED WITH YOUR ST9400C

Your ST9400C should have been set up to work correctly when it was installed. However, the following will show you how you can modify your settings to meet your particular lifestyle.
To assist you with programming and everyday use your ST9400C will display text messages at every stage to help you get the most out of your central heating and hot water system. The ST9400C uses LoT™ Technology to constantly update the display to give you feedback about what is required.

Step 1: Setting the Date & Time

Your ST9400C had the date and time set at the factory, and these are normally maintained by a backup battery in the event of power failures. If you wish to change the date or time, or if the LoT™ Display shows the message ‘SET DATE + TIME’ just follow the instructions below. Otherwise, go to Step 2.
a. Move the slider to the DAY/TIME position. The message ‘SET DATE + TIME’ will show briefly on the screen, followed by ‘SET THE DAY’, and the day of the month will now be flashing to indicate it can be changed.

b. To change the day of the month, press the or buttons until the correct day is shown. Each press of the button will change the date by one day. As soon as a change has been made, the message ‘IS DAY OK?’ will be displayed. Once the correct day is reached, press the green button to confirm, and move to the next step. If you do not need to make a change, just press the button immediately and this will move you to the next step.
c. The month digits will now be flashing and ‘SET THE MONTH’ will be displayed. To change the month, press the or buttons until the correct month is shown.
The message ‘IS MONTH OK?’ will be displayed. Press the green  button to confirm the month is correct, and move to the next step.
d. The year digits will now be flashing and ‘SET THE YEAR’ will be displayed. To change the year, press the or buttons until the correct year is shown. The message ‘IS YEAR OK?’ will be displayed. Press the green button to confirm the year is correct. If you have made a change, and the date is a valid date, the message ‘DATE SAVED’ will show, and you can move to the next step. If the date you set was not valid, for example, 31 September, the message ‘INVALID’ will show and you will be returned to the start of the date setting operation.
e. The time will now be flashing and the message ‘SET THE TIME’ will be displayed. To change the time, press the or buttons until the correct time is shown.
Each press of the button will change the time by one minute. Holding the button down for more than a few seconds will change the time slowly at first, then quickly. The message ‘IS TIME OK?’ will be displayed. Press the green button to confirm the time is correct. If you have made a change, the message ‘TIME SAVED’ will show, followed quickly by ‘DATE + TIME COMPLETE’.
f. Move the slider to the RUN position, to complete setting the date and time.
Note: if the slider is moved at any time before the date and time have been set correctly, the message ‘DATE UNCHANGED’ will be displayed briefly, and your changes will not be saved.

Step 2: Running a Built-in Programme

With the date and time correct, your ST9400C Programmer will now be operating to the built-in programs. These have been designed to provide heating and hot water at typical times throughout the day, but if you want to customize the settings, please see the next section ‘PROGRAMMING YOUR ST9400C’ (page 6).

PROGRAMMING YOUR ST9400C

The Built-in Programmes

The built-in programs give you a starting point that you can personalize to your own requirements. Your Installer should have selected one and ticked the box alongside it. If there is no tick, the product normally leaves the factory with Profile A installed, but it is a simple matter to select one of the other profiles (see Changing the Installer  Parameters, page 12).
Built-in Programme (Profile A)

Built-in Programme (Profile b)

Built-in Programme (Profile C)

Your Personal Programme

The table below has been left blank for you to record your own personal program.

Reviewing the Programme Times
To review your hot water program, move the slider to the HOT WATER position.
To review your heating program, move the slider to the HEATING position.
To review the program times, press the button repeatedly. The appropriate ON and OFF markers will be displayed to show you which time is being reviewed. Any of these times can be adjusted by using the or buttons and then confirmed using the button. Remember to return the slider to the RUN position after reviewing is complete.

Modifying the Hot Water Programme
The hot water program has three pairs of ON/OFF switching times per day. Each time can be set between 3.00 am and 2.50 am (on the next day) to allow you to program the hot water to stay on past midnight if required.
a. Move the slider to the HOT WATER position. ‘SET HOT WATER’ will show briefly to verify this action.

b. ‘SET ON-TIME 1’ will then be displayed and the time set for the first ON 1 time for MONDAY will now be flashing to indicate it can be changed. If you do not wish to change the time, press the green button and move to the next step. If you do wish to make a change, use the or buttons to change the first ON 1 time. Each press of the button will change the time by 10 minutes. As soon as the time has been changed, the message ‘ON-TIME 1 OK?’ will be displayed. Press the green button to confirm the time is correct and move to the next step. ‘SAVED’ will be displayed for a moment to confirm that any change has been saved to memory.

Note: When pressing the button the next ON or OFF marker may start to flash. This indicates you have tried to set a time equal to one of the next program times already in the memory. Similarly, when pressing the button the previous ON or OFF marker may start to flash. This indicates you have tried to set a time equal to one of the previous program times. If this happens the ST9400C simply moves both times together as long as you continue to press the or buttons. Follow the procedure in ‘Reviewing the Programme Times’ (page 7) to check and adjust these times as necessary.
c. ‘SET OFF-TIME 1’ will be displayed and the first OFF 1 time will now be flashing. If you do not wish to change the time, press the green button and move to the next
step. Otherwise, use the or buttons to change the time. Press the green button to confirm the time is correct and move to the next step. ‘SAVED’ will be displayed for a moment to confirm that any change has been saved to memory.
d. The remaining ON and OFF times (ON 2, of 2, ON 3, OFF 3) can be set by using the or buttons to change the time, and the green button to confirm the time is correct and move to the next step. If you do not wish to change the time, just press the green button to move directly to the next ON/OFF time without making any changes.
e. After setting or reviewing the last off time, OFF 3, the message ‘COMPLETE’ will be displayed to indicate the times for Monday have been set. You now have a choice of how to set the program for the next day:
Copying one day’s Programme to another day (example Monday to Tuesday):
f. Whilst the day is showing Monday, Press the COPY DAY button. The message ‘COPY MON TO TUESDAY OK?’ will be displayed and the letters TUE will flash to indicate the program for Monday can be copied to Tuesday.
g. To select a different day to copy to, press the NEXT DAY button to cycle through the days. With each press of the NEXT DAY button, the message will change to indicate the new day you are copying to.
h. When the required day is indicated, press the green button to confirm, and the message ‘MON COPIED’ will be displayed for a moment. The day into which Monday’s program has been copied is now available to have its program edited.

Note: Once a day’s program has been confirmed in this way, it now becomes the day whose program is copied if the COPY DAY button is pressed again.
OR
Programming a Different Day:
i. Press the NEXT DAY button to select the next day, which is displayed along the top of the screen. The program for that day can then be adjusted by following steps b-e above. Programs for the remaining days can be set in the same way, using the NEXT DAY button to move to the next day.

Exiting HOT WATER Programming Mode:
To exit HOT WATER programming mode, move the slider to the RUN position. This can be done at any time during the programming process, and any changes made and confirmed with the button will have been saved.

Note: If the unit is left in HOT WATER Programming mode for more than 10 minutes without the slider being moved or any buttons pressed, the message ‘MOVE SLIDER’ will be displayed. Press a button to finish programming, or move the slider to the RUN position.

Modifying the Heating Programme
The heating program has three pairs of ON/OFF switching times per day. Each time can be set between 3.00 am and 2.50 am (on the next day) to allow you to program the heating to stay on past midnight if required.
a. Move the slide switch to the HEATING position. ‘SET HEATING’ will show briefly to verify this action.

b. Now follow the same procedure to set the times as described in ‘Modifying the Hot Water Programme’ (page 7) steps b. to i.

Exiting HEATING Programming Mode:
To exit the HEATING programming mode, move the slider to the RUN position. This can be done at any time during the programming process, and any changes made and confirmed with the button will have been saved.

Note: If the unit is left in HEATING Programming mode for more than 10 minutes without the slider being moved or any buttons pressed, the message ‘MOVE SLIDER’ will be displayed. Press a button to finish programming, or move the slider to the RUN position.

Disabling / Enabling Time Periods (for Heating and/or Hot Water)
To disable any of the time periods ON 1 to of 1, ON 2 to of 2, or ON 3 to of 3, simply set the ON time and it paired OFF time to the same time, and the program will just ignore them.
To re-enable the time period, simply set the two ON and OFF times to be different.

OPERATING YOUR ST9400C

Choosing the Operating Mode (for Heating and/or Hot Water)

The operating mode may only be changed when the slider is set to the RUN position.
A green INDICATOR LAMP shows when the heating or hot water is switched ON.
Two MODE buttons are provided to select the Operating Mode and therefore how the heating and hot water are controlled.

Heating has four possible Operating Modes; these are OFF, AUTO, ONCE, CONT.
Pressing the heating MODE button scrolls round these modes in sequence, and the display indicates which mode is currently active.

• OFF mode
  The heating will remain OFF.
• AUTO (Automatic) mode
  The heating will be switched ON and OFF according to the heating program.
• ONCE mode
  The heating will come ON at the first programmed ON time and go OFF at the last programmed OFF time.
• CONT (Continuous) mode
  The heating will remain ON continuously.

The hot water MODE button operates in the same way as described above for the heating MODE button.

Overriding the Operation Without Changing the Programmes

In AUTO and ONCE operating modes, the OVERRIDE buttons switch the heating or hot water ON or OFF without altering the program.
When the indicator lamp is ON, pressing the OVERRIDE button switches the heating or hot water OFF until the next programmed ON time.
When the indicator lamp is OFF, pressing the OVERRIDE button switches the heating or hot water ON until the next programmed OFF time.
The LoT™ Display will provide you with information about the override.

The Extra Hour Function (for Heating and/or Hot Water)

The EXTRA HOUR buttons allow you to switch the heating or hot water ON for up to 3 extra hours without altering the program. Pressing either button once will give one extra hour. The LoT™ Display will display the message ‘+ 1 HOUR’, to confirm the button has been pressed.
When the green INDICATOR LAMP is OFF, pressing an EXTRA HOUR button switches the heating or hot water ON for just one hour.
When the green INDICATOR LAMP is ON, pressing an EXTRA HOUR button extends the programmed ON period by one hour.
Further presses of the EXTRA HOUR buttons will increase the extra hour period by one hour for each button press, up to a maximum of 3 hours. The LoT™ Display will continue to provide information on the extra hour status.
To cancel the extra hours, just keep pressing the EXTRA HOUR button until the ‘CANCELLED’ message appears on the LoT™ Display.

The Holiday Function

The Holiday function allows you to switch off your heating and hot water for a specified
number of days (from 1-99 days). This lets you save energy and related costs when
you are away from home, but resumes normal operation on the day of your return.

To set the Holiday function:
a. Ensure the slider is in the RUN position, then press the HOLIDAY button once.
The message ‘SET HOLIDAY’ will appear briefly, followed by ‘SET DAYS AWAY’.
b. Use the or buttons to set the number of days you will be away. The display will show the number of days, and this number will be flashing to indicate it can be changed. The day of the week will also keep changing to show the day you return.
c. If you have made a change to the number of days, the message ‘DAYS AWAY OK ?’ will appear. Press the green button to confirm your selection.
d. The message ‘SAVED’ will be displayed for a few seconds, followed by the date you return, to enable you to check you have programmed the holiday function correctly.
e. During the holiday period, the LoT™ Display will show the message ‘ON HOLIDAY’ and the display will count down the number of days till you return.

To cancel the Holiday function:
f. To cancel the Holiday function, just press the HOLIDAY button again. The LoT™ Display will show ‘CANCELLED’ and the unit will return to normal operation.
Note: while setting the Holiday function, if there is a gap of more than 1 minute between button presses, the function will cancel itself automatically and return to normal operation.

FINE-TUNING YOUR ST9400C

Changing from AM/PM Time Display to the 24 Hour Clock

Your ST9400C can operate on the 12 hours AM/PM or 24-hour clock formats. To change the format, ensure the slider is in the RUN position then press and hold the and buttons together for about 2 seconds. Ignore the ‘NOT VALID’ message that will appear briefly. All the displayed times will be automatically charged to the new format.
Repeating this procedure will change the clock display back to the original format.

Changing the Installer Parameters

The ST9400C has a special Installer Mode where some features can be adjusted to suit your lifestyle or preferences – these are called Installer Parameters, and are listed in the table below, along with a description of the options that are possible.

To Enter Installer Mode:
a. Ensure the slider is in the RUN position, then press and hold and buttons together for 8 seconds. Ignore the ‘NOT VALID’ message that is displayed for a few seconds. The message ‘SET UP MENU’ will show briefly, followed by ‘SET INSTALLER OK ?’
b. Press the button to take you into the Installer Mode Parameter Menu.
c. Parameter 1 is now available to change. This is to allow you to change the clock format from 12 hours AM/PM to 24 hours. At every step, the LoT™ Display will inform you what the parameter means and what option you have selected. The parameter number is shown on the display separated by a colon from the parameter value.
d. You can change the parameter value by pressing the or buttons. At this point, the description in the LoT™ Display will change and the parameter value will flash. If you press the value will stop flashing and be saved for use.
e. Press to move to the next parameter available for editing.
f. Keep pressing to step around the list of parameters, and use or buttons to change the parameter value.
g. Any parameter changes that have been confirmed with the button will be saved and used.
To Exit Installer Mode:
h. You can exit Installer Mode at any time by moving the slider to the next position and then back again to RUN.
Note: Installer Mode will exit automatically after 10 minutes if the slider is not moved.

FAQ AND TROUBLESHOOTING

How do I set the time only, if the ST9400C clock is not correct?

Your ST9400C contains a very accurate digital clock that is factory pre-set. Should you ever need to change the time, just follow this procedure:
a. Move the slider to the DAY/TIME position.
b. Keep pressing the green button until the message ‘SET THE TIME’ is displayed. To change the time, press the or buttons until the correct time is shown. The message ‘IS TIME OK?’ will be displayed. Press the green button to confirm the time is correct. If you have made a change, the message ‘TIME SAVED’ will show, followed quickly by ‘DATE + TIME COMPLETE’.
c. Move the slider to the RUN position, to complete changing the time.

What do I do when the clocks go back in October and forward in March?

Your ST9400C is factory-set to adjust the clock automatically at the correct dates, so you should never need to adjust the clock forward or backward yourself. It is possible to disable this particular feature, as described in the section ‘Changing the Installer Parameters’ (page 12). You may also check the section ‘Configuration & Service Data’ (page 18) to see how your Installer has configured your product.

What should I do if I get ‘lost’ while programming the ST9400C?

The LoT™ Display on ST9400C will provide you with help and tips to work through the programming. Should you ever get ‘lost’, the simplest thing to do is to move the slider to the RUN position, and then move it back to the appropriate programming position where you got lost. At this point just follow the instructions again.

What happens if there is a power failure?

In the event of a mains power failure, the ST9400C display will go blank, the indicator lamps will go out, and the control outputs will switch off. The real-time will be constantly maintained by means of the built-in battery backup, ready to power back up as if nothing had happened when the mains power is restored. In addition, all programs and settings are stored in a special memory (called NV memory) which requires no power to maintain the information, and so will be retained indefinitely.
Should the correct time and date ever be lost, for whatever reason, the message ‘SET DATE + TIME’ will be displayed whilst the slider is in the RUN position. In this case, simply follow the procedure described under ‘Step 1: Setting the Date & Time’ (page 4). It should not be necessary to make any changes to your programs.

Troubleshooting Guide

This is a quick guide to help you diagnose and cope with possible problems with ST9400C. For further assistance, please contact your Installer.

MINI-PROGRAMMER OPERATING INSTRUCTIONS

You need only refer to this section if:

• The Mini-Programmer box is ticked on the Contents page of this booklet, or
• The ST9400C Configuration Data (page 18) indicates it is set as a Mini-Programmer.

What is a Mini-Programmer?

In a poorly controlled gravity circulation hot water system, whenever the boiler comes on to service the heating, there will inevitably be some circulation through the hot water storage tank, which will then heat up.
So, whenever the HEATING is ON, the HOT WATER is also ON.
It is therefore NOT possible to have independent programs for heating and hot water, so it is only necessary to enter a one-time program.
If you have this type of installation (gravity circulation hot water circuit WITHOUT a hot water control valve), your Installer should have restricted the ST9400C Programmer to be a Mini-Programmer.
This section describes how to use the product as a Mini-Programmer.

Modifying the Heating & Hot Water Programme

The heating & hot water program has three pairs of ON/OFF switching times per day. Each time can be set between 3.00 am and 2.50 am (on the next day) to allow you to program the heating & hot water to stay on past midnight if required.
a. Move the slider to the HEATING position. ‘SET HEATING’ will show briefly to verify this action.
b. Now follow the same procedure to set the times as described in ‘Modifying the Hot Water Programme’ (page 7) steps b to i.

Exiting Heating & Hot Water Programming Mode:
To exit HEATING Programming mode, move the slider to the RUN position. This can be done at any time during the programming process, and any changes made and confirmed with the button will have been saved.
Note: If the unit is left in HEATING Programming mode for more than 10 minutes without the slider being moved or any buttons pressed, the message ‘MOVE SLIDER’ will be displayed. Press a button to finish programming, or move the slider to the RUN position.

Disabling / Enabling Time Periods

To disable any of the time periods ON 1 to of 1, ON 2 to of 2, or ON 3 to of 3, simply set the ON time and it paired OFF time to the same time, and the program will just ignore them.
To re-enable the time period, simply set the two ON and OFF times to be different.

Choosing the Operating Mode

In a Mini-Programmer, some Operating Modes are not possible. For example, HEATING in AUTO mode and HOT WATER in OFF mode is not allowed. When configured, your ST9400C knows which combinations of Operating Mode are possible, and only permits those combinations that are allowed.

Override and Extra Hour Functions

When you use the hot water OVERRIDE or EXTRA HOUR functions, they will operate as normal. However, the heating OVERRIDE or EXTRA HOUR functions will also bring on the hot water. This is a consequence of the type of system you have and is perfectly normal.

Other Functions

All other functions operate in the same way as for the standard ST9400C.

CONFIGURATION & SERVICE DATA

Configuration Data (to be completed by Installer)

The table below is for the Installer to complete to indicate how your ST9400C has been configured.

Configurable Features	Options	Installer Configured (tick appropriate box)
24hr or am/pm clock display	am/pm display
	24hr display
Display backlight operation	Off
	On if button pressed
	On continuously
Automatic time change	Enabled
	Disabled
1-day or 5/2-day or 7-day operation	1-day operation
	5/2-day operation
	7-day operation
Number of ON/OFFs per day	2 on/offs per day
	3 on/offs per day
Default program	A = standard
	b = at home
	C = economy
Set as Mini-Programmer *	No
	Yes

* Note: It is recommended that gravity circulation hot water systems are fitted with a suitable hot water control valve as shown in the Honeywell Home Sundial C Plan system (see ST9400A/ST9400C Installation Instruction sheet). If so, then there is no need to set the ST9400C as a MiniProgrammer.

PLEASE RESPECT YOUR ENVIRONMENT!
Take care to dispose of this product and any packaging or literature in an appropriate way

WHAT IS A PROGRAMMER?
…an Explanation for Householders (as recommended by the Energy Savings Trust)
Programmers allow you to set ‘On’ and ‘Off’ time periods. Some models switch the central heating and domestic hot water on and off at the same time, while others allow the domestic hot water and heating to come on and go off at different times. Set the ‘On’ and ‘Off’ time periods to suit your own lifestyle. On some programmers you must also set whether you want the heating and hot water to run continuously, run under the chosen ‘On’ and ‘Off’ heating periods, or be permanently off. The time on the programmer must be correct. Some types have to be adjusted in spring and autumn at the changes between Greenwich Mean Time and British Summer Time. You may be able to temporarily adjust the heating program, for example, ‘Override’, ‘Advance’, or ‘Boost’. These are explained in the manufacturer’s instructions. The heating will not work if the room thermostat has switched the heating off. And, if you have a hot-water cylinder, the water heating will not work if the cylinder thermostat detects that the hot water has reached the correct temperature.

This product and its associated documentation and packaging are protected by various intellectual property rights belonging to Honeywell Inc. and its subsidiaries and existing under the laws of the UK and other countries. These intellectual and property rights may include patent applications, registered designs, unregistered designs, registered trademarks, unregistered trademarks, and copyrights.
Honeywell Home reserves the right to modify this document, product, and functionality without notice. This document replaces any previously issued instructions and is only applicable to the product(s) described.
This product has been designed for applications as described within this document. For use outside of the scope as described herein, refer to Honeywell Home for guidance. Honeywell Home cannot be held responsible for the misapplication of the product(s) described within this document.
Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell Technologies Sàrl, ACS-ECC EMEA, Z.A. La Pièce 16, 1180 Rolle, Switzerland by its Authorised Representative Honeywell Inc.

Ademco 1 GmbH
Hardhofweg 40
74821 Mosbach
Phone: +49 1801 466 388

homecomfort.resideo.com

@2020 Resideo Technologies, Inc. All rights reserved The Honeywell Home trademark is used under license from Honeywell International Inc.
This product is manufactured by Resideo Technologies, Inc and its affiliates.

Honeywell Home T3R Programmable Thermostat

PROGRAMMABLE THERMOSTAT

Quick Start User Guide
Online Guides
http://hwllhome.co/eu-T3

Screen and button overview

1. Programming Menu
2. Settings Menu
3. Settings Menu
4. Alert
5. Room Temperature
6. Current time
7. Heat demand
8. Optimization
9. Low battery
10. Wireless signal (T3R only)
11. Keypad Lock
12. Temperature adjust
13. Right button
14. Middle button
15. Left button
16. Schedule period
17. Day

Default Schedule

Adjusting the Schedule

Press MENU

Select PROG then confirm 

Select day then confirm 

Select period then confirm

Adjust time then confirm

Adjust temperature then confirm 

Copy Day

Select day then COPY 

Select “TO” day then confirm 

Delete period

Select period

Hold Left button for 3sec

Device Modes

“AUTO”Programmed schedule is followed

“MAN”Only set temperature is followed

“OFF”

Heating is OFF

Temperature Override

Holiday Mode

Press MENU, Select AWAY then confirm

Adjust days then confirm

Adjust temperature then confirm

Date and Time

Press MENU

Select SETTINGS then confirm

Select YEAR then confirm

Set YEAR then confirm

Set MONTH (1-12) then confirm

Repeat steps to set DAY, HOUR and MINUTE

Keypad Lock

Troubleshooting

• 10% battery power
• Battery critical low
• Faulty sensor
• Wireless Signal Loss (T3R Only)

livewell.honeywellhome.com

Bk-electronic GmbH
Hardofweg 40
74821 Mosbach

Germany
www.resideo.com Country of origin: UK
©2019 Resideo Technologies, Inc. The Honeywell Home trademark is used under license from Honeywell Inter

Quick Start Installation Guide

The Thermostat and Relay Box in this are pre-bound.
Must be installed by a competent person. To ensure your safety make sure the mains power is switched OFF before accessing wiring.

To prevent a short circuit from a loose wire:

• Multi-core cables: Only remove enough outer insulation to allow secure fixing of the cores into the terminal block.
• Single core cables: Secure them together with a cable tie as close as possible to the terminal block.

Install the Relay Box

Wiring

• On/off boiler (230V)
• Combi boiler
• 2-Port Zone Valve

Install the Thermostat

Parameters

Hereby, Bk-electronic GmbH declares that the radio equipment T3R Thermostat is in compliance with Directive 2014/53/EU. The full text of the EU Declaration of Conformity is available at the following Internet address: http://hwllhome.co/DoC
RF (868MHz)
Receiver Category 2
Max RF Power: 25mW
868–868.6MHz (868.3MHz)
WEEE Directive 2012/19/EU
At the end of the product life dispose of the packaging and product in a corresponding recycling center. Do not dispose of the unit with the usual domestic refuse. Do not burn the product.

Honeywell CM900 Wireless Programmable Room Thermostat

Description

The Honeywell Home CM900 Wireless (CM927 or CM921) is a modern wireless programmable room thermostat based on Honeywell’s Home proven programming philosophy. To further improve the ease of use, this product includes an extra large LCD display with backlighting and LoT Technology to assist customers during daily use.

The CM927/921 room thermostat communicates with the HC60NG receiver box on an 868MHz Radio Frequency (RF) band to control a single heating system component such as a boiler, pump or zone valve. Neither product will communicate with other RF products that use different frequencies or communication protocols.

Note: The RF link between the individual room thermostat (CM927/921) and receiver box (HC60NG) in system packs provided by Honeywell Home is pre-configured at the factory and therefore SHOULD be installed at the same site. This makes the installation process fast and easy, but if products from individual system packs are separated, or mixed with other pre-configured system packs during installations please refer to section 5.1 Binding / Rebinding Procedure to bind the desired units together and allow them to communicate with each other.

Installation Information

As these products communicate using RF technology special care must be taken during installation. The location of the RF components as well as the building structure may influence the performance of the RF system. To assure system reliability, please review and apply the information given below.

Within a typical residential building, the two products should communicate reliably within a 30m range. It is important to take into consideration that walls and ceilings will reduce the RF signal. The strength of the RF signal reaching the receiver box depends on the number of walls and ceilings separating it from the room thermostat, as well as the building construction – the diagram below illustrates an example of typical signal strength reduction. Walls and ceilings reinforced with steel or plasterboard walls lined with metal foil reduce the RF signal significantly more.

Once a position is selected for the room thermostat this can be checked using the RF Communication Test mode as described in section 2.2.3 Locating the Room Thermostat. If the position is unsuitable the receiver box will not respond and an alternative position must be selected.

Installing the CM900 Wireless System

Please follow the illustrations and information below in sequence to install the receiver box and room thermostat correctly. For applications other than gas boilers, enabling special features and to see what other system options are available refer to section 4) Installer Mode.

Installing the Receiver Box

Installing the Room Thermostat

1. Remove the battery cover and insert the batteries supplied with the room thermostat (2 x AA LR6 Alkaline Batteries).
2. On the initial power up the available user interface languages will be displayed (only on certain models). Use the or buttons to cycle through the options until the desired language is displayed. Press the green button to confirm the selection.
3. Set the slider switch to the DATE mode.
4. Use the or buttons to set the correct day / month / year, pressing the green button to confirm
5. Use the buttons to set the correct time, pressing the green button to confirm.

RF Communication Check (Test Mode) 

To check the RF communication, hold the room thermostat about 2-3 metres from the installed receiver box. Move the slider on the room thermostat to the OFF position then press the and buttons together with the button for 3 seconds. The unit will display ‘TEST TRANSMIT’ and it will send test signals to the receiver box, flashing the green LED on every 6 seconds (relay output will remain off) for a maximum of 10 minutes. When the green LED flashes on every 6 seconds proceed to the next step.

NOTE: If the green LED is not switched at specified intervals, the red LED is flashing or if you are installing a replacement receiver box or room thermostat, follow the procedures described in section 5.1 Binding / Rebinding Procedure.

Locating the Room Thermostat

While still in the Test Mode, as described in section 2.2.2, the room thermostat should be located taking the following into consideration and reviewing the illustrations below:

1. Find a suitable location where the signal transmission is reliable. Reliable transmission is indicated when the receiver box is flashing the green LED every 6 seconds. NOTE: The receiver box relay will be off.
2. Install the room thermostat EITHER on the wall using the wall bracket OR attach the optional table stand as shown in below.
3. Exit the Test Mode by moving the setting slider to the required operating mode (AUTO or OFF).

• The room thermostat should be installed in an open space for best performance as it is a radio frequency device.
• Leave at least 30cm distance from any metal objects including wall boxes and at least 1 metre from any other electrical equipment eg. radio, TV, PC etc.
• Do not mount onto metal wall boxes.
• It is recommended that the receiver box is fully installed.

System Check

Now a simple test can be completed to check the full system has been installed correctly:

1. Set the slider switch to the OFF mode.
2. Check the boiler supply is on and check that the green LED on the receiver box is off.
3. Set the slider switch to the MAN mode.
4. Adjust the setpoint up to the maximum (35°C) by pressing the button. The boiler should come on (green LED ON on receiver box) after a few seconds and the symbol appears on the room thermostat LCD display.
5. Set the slider switch to the OFF mode. The boiler will go off (green LED OFF on receiver box) after a few seconds and the symbol disappears.
6. Check the system operation by moving the slider between MAN and OFF modes several times, bearing in mind the switching delay referred to above.

Now, you should have completed the installation successfully – to begin operating at the default factory settings move the slider to the AuTO mode or select PROG to modify the built-in heating program accordingly.

Basic Operation of the System

Automatic Operation

The receiver box receives the heat demand (0- 100%) signal from the room thermostat. The room thermostat will display the symbol on the LCD display whenever more heat is required.

Depending on the demand the receiver box will switch the heating device on to match the current requirements of the system.

The green LED indicates the status of the relay output:

• Green LED on = relay on
• Green LED off = relay off

Temporary Manual Override

Pressing the receiver box button will override the current relay position. As soon as the next signal is received from the room thermostat the receiver box will return back to automatic operation as the automatic control has higher priority than manual operation.

Communications Loss

If the RF communication is lost for a period of 1 hour the red LED will illuminate to indicate that no RF messages have been received during the last hour.

The receiver box will also enter the failsafe mode as selected in Installer Mode (see section 4.2 HC60 Receiver Box Fail-Safe Mode Setup). To allow manual control of the receiver box output manual override is available in fail-safe mode. When RF communication is restored the receiver box will automatically return to normal operation.

You can now use the USER GUIDE supplied with the room thermostat to demonstrate how it works to the home owner.

Installer Mode

Installer Mode is used to alter the system settings for specific applications, to use the special features of the room thermostat in a different way or to alter the factory preset parameters. Parameters are divided into two groups:

• – Category 1 parameters – Room Thermostat Setup
• – Category 2 parameters – System Setup. These are all listed in section 4.5 Installer Parameters Table.

Entering Installer Mode

HC60NG Receiver Box Fail-Safe Mode Setup

The failsafe mode defines the receiver box output relay status if the RF communication is lost (e.g. when the room thermostat stops communicating due to discharged batteries). The factory setting keeps the relay permanently off when communications is lost. If this factory setting needs to be changed follow the instructions below:

1. Enter Installer mode as described above.
2. Press the button to enter category 2 parameters.
3. Select the parameter 7:LC by pressing the button
4. Select the fail-safe mode by pressing or buttons:
   • 0 – when RF communication is lost the relay will be held in OFF position.
   • 1 – when RF communication is lost the relay output will cycle at 20% on 80% off.
5. Press the green button to accept the change.
6. Attach appropriate label to the receiver box to indicate the selected fail-safe mode.

IMPORTANT: To enable the frost protection when RF communication is lost, select the fail-safe mode 1. For systems with separate frost protection thermostat or where frost protection is not required select fail-safe mode 0.

Using the Room Thermostat for Specific Applications

The CM927/921 RF room thermostat is a versatile controller that can be used to control many different applications. For most typical applications, like wall-hung gas fired combination boiler control or zone valve control, no adjustments from the factory settings are required. For other applications, like controlling an oil burner, the best system performance can be achieved by modifying selected parameters of the room thermostat in the Installer mode. The table below lists the most common settings used for specific applications.

Using the Special Features of the Room Thermostat

Installer Parameters Table

Category 1 – Room Thermostat Settings

Notes : Remember to always press the green button to confirm that you want to store your new Installer Set-Up setting. To exit the Installer Mode move the slider switch to the AuTO or MAN position.

Category 2 – System Settings

Notes : 

1. Remember to always press the green button to confirm that you want to store your new Installer Set-Up setting. To exit the Installer Mode move the slider switch to the AUTO or MAN position.
2. These parameters are set centrally for the zoning system at the room thermostat configured as the system synchroniser.
3. Minimum on-time setting applies only to the boiler controller. All receiver box zone controllers will work with the minimum on-time of 30 seconds.

Additional Installation Information

Binding / Rebinding Procedure

The binding operation described below is required if:

• Any of the system components (room thermostat or receiver box) are replaced.
• The receiver box has incorrect or no binding data stored (e.g. when pre-bound system pack components have been mismatched).
  NOTE: During the binding procedure keep approximately 1m distance between the room thermostat and the receiver box.

To bind/rebind:

1. Press and hold the receiver box push button for 15 seconds to reset any previously stored data. After 15 seconds the red LED will change to flashing 0.1sec on/0.9sec off.
   NOTE: After 5 seconds the red LED will start to flash 0.5sec on/0.5sec off, but continue to hold the button).
2. Release the push button.
3. Press and hold the receiver box push button for 5 seconds to enter the binding mode. The Red LED will start flashing at 0.5sec on/0.5sec off to confirm the binding mode has been entered.
4. Move the room thermostat slider to the OFF position and press the and buttons together along with the button. The unit will display InSt and ‘CONTROL BINDING’.
5. Press the green button to send the binding signal out to the receiver box. The red LED is switched off to confirm successful binding operation. If the red LED still flashes push the button again until binding is successful.
6. Now go to Section 2) Installing the CM900 Wireless System to setup the system.

Multi-Zone System

Multiple room thermostats and receiver box sets can also be used to control multi-zone systems and the CM927/921 room thermostat is compatible with a variety of other Honeywell Home products including HR80 radiator controllers and HCE80 underfloor heating controllers. If you intend to use it in this way additional installation and user instructions can be obtain by contacting the address at the end of this guide.

NOTE: Some of the labels supplied with the pack are for use in multizone applications.

Troubleshooting

Diagnostic Mode

The CM927/921 room thermostat has a user accessible mode that provides information useful to a remote service person and a means of checking whether the boiler is working. To access this move the slider switch to the OFF position then press and hold the button for 5 seconds. The room thermostat will enter the user settings mode. Next press and hold the and buttons together. The room thermostat will hold the relay on for 5 minutes and the following information can be viewed on the display by pressing the or buttons. : model ID, date code (WW/YY) & checksum.
Hereby, Honeywell Home declares that this CM927/CM921 room thermostat and HC60NG receiver box are in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC, 73/23EC and 89/336EC.

@2020 Resideo Technologies, Inc. All rights reserved The Honeywell Home trademark is used under license from Honeywell International Inc. This product is manufactured by Resideo
Technologies, Inc and its affiliates.

Ademco 1 GmbH Hardhofweg 40
74821 Mosbach
Phone: +49 1801 466 388 homecomfort.resideo.com