Additional Installation Information | Honeywell CM900 instruction

5) Additional Installation Information

5.1 Binding / Rebinding Procedure

The binding operation described below is required if:

•Any of the system components (room thermostat or Relay Box) are replaced.

•The Relay 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 Relay Box.

To bind/rebind:

1.Press and hold the Relay 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 Relay 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 Relay 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.

5.2 Multi-Zone System

Multiple room thermostats and Relay 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 products including HR80 radiator controllers (see below) and HCE80 underfloor heating controllers. If you intend to use it in this way additional installation and user instructions can be obtained by contacting the address at the end of this guide.

NOTE: Some of the labels supplied with the pack are for use in multi-zone applications.

5.3 Binding an HR80 Radiator Controller to the Room Thermostat

1. Press the bind button (1) for approximately one second and release. When the
button is released, the	symbol flashes and the software version number is	1
displayed for 30 seconds.		1

2.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’.

3. Press the green button to send the binding signal out to the radiator controller.

4. The radiator controller will display once the signal has been received.

If several radiator controllers are to be controlled simultaneously in one room:

1.Press the bind button on all the radiator controllers to be bound to the room thermostat. The symbol flashes continuously on the display of the radiator controller.

2.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’.

3.Press the green button to send the binding signal out to the radiator controllers.

4.The radiator controllers will display once the signal has been received. The set temperature at the radiator controller is automatically set to 20°C.

NOTE: The radiator controller can take up to 4 minutes to receive data from the room thermostat.

Installation Guide

CM900 specifications

The Honeywell CM900 is a sophisticated programmable room thermostat designed to enhance energy efficiency and ensure optimal comfort in residential settings. This device is characterized by its advanced features, which cater to the increasingly demanding needs of modern households.

One of the standout features of the CM900 is its intelligent programming capabilities. Users can easily set different heating schedules for weekdays and weekends, allowing for personalized comfort that adapts to the household's routine. This programmable functionality not only maximizes comfort but also contributes to energy savings, as it can automatically lower the heating during unoccupied periods.

The CM900 is equipped with a user-friendly interface that makes it straightforward to adjust settings. The large, clear display provides essential information at a glance, such as current room temperature and set points. Additionally, the intuitive menu navigation allows users to customize settings quickly, ensuring a seamless experience even for those who may not be technically inclined.

Incorporating the latest technology, the Honeywell CM900 features an innovative adaptive control system. This technology enables the thermostat to learn the heating characteristics of the home, adjusting pre-heat times to ensure that the desired temperature is reached precisely when needed. As a result, users can enjoy comfortable living spaces without wasting energy.

The CM900 also boasts an impressive response time, ensuring that any adjustments to the heating system occur swiftly. Coupled with precise temperature sensing, this allows for a stable indoor climate, which is essential for both comfort and energy efficiency. The device can be connected to various heating systems, making it a versatile option for a range of home heating configurations.

For those interested in further customizing their heating experience, the Honeywell CM900 offers compatibility with multiple accessories, including remote sensors and Wi-Fi connectivity options. This enables homeowners to monitor and adjust their heating systems even when they are away from home, leading to added convenience and peace of mind.

In summary, the Honeywell CM900 is a high-performance programmable thermostat that combines advanced technology with user-centric features. Its intelligent scheduling, adaptive control, and ease of use make it an excellent choice for anyone looking to achieve a perfect balance between comfort and energy efficiency in their home.