Product Description
The CM900 (CM907 or CM901) is a modern programmable room thermostat based on Honeywell's proven CM60 programming philosophy. To further improve the ease of use and assist installation, this product includes an extra large LCD display with backlighting, a dynamic text display and an 'OK' button.
Used for general purpose control of boilers, zone valves, circulation pumps, thermal actuators, electric heaters, heat pumps etc. in heating or cooling systems.
Technical Properties
| Control functions |
Proportional + Integral (PI) temperature control |
| Heating /Cooling application |
H or C |
| Time setting resolution |
time of day - 1 minute, program - 10 minute steps |
| TRV-mode |
No |
| Holiday mode |
Yes |
| Optimisation |
Yes |
| Temperature setpoints per day |
6 independent temperature setpoints |
| ErP Class |
IV |
| Manual operation functions |
manual setpoint setting (MAN) and frost protection (OFF) modes available |
| Temp. setpoint range |
5 ... 35 oC |
| Temperature control accuracy |
0,5 oC |
| Switch function/capacity |
SPDT, 24..230 V, 50..60 Hz, 0,5..8 A resistive, 0,5..3 A inductive |
| Housing (HxWxD) |
89 mm | 133 mm | 26 mm |
| Terminal max. wire size |
2,5 mm2 |
| Battery life |
2 years typical for applications with loads smaller than 3 A |
| Power source |
battery powered, 2 x 1,5 V AA Alkaline cells supplied |
| Product literature language |
UK |
| Additional Descriptions |
- LCD backlight
- automatic summer/winter time change
- user program stored in non-volatile memory
- input for remote temperature sensor or outside temperature sensor
- input for telephone interface connection
- installers set-up mode
|
| Default time display format |
AM/PM |
| Party timer |
No |
| Day off function |
No |
| Display |
English |
