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CMT901A1044

CMT901A1044

The CM900 (CM907 or CM901) is a modern programmable room thermostat based on Honeywell's proven CM60 programming philosophy. To further improve the...

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