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RF Chronotherm with extended feature set and slim ultra-modern design CM927, CM921

RF Chronotherm with extended feature set and slim ultra-modern design CM927, CM921

The CM920 (CM927 or CM921) is a modern wireless programmable room thermostat based on Honeywell's proven CM60RFNG programming philosophy. To furthe...

Product Description

The CM920 (CM927 or CM921) is a modern wireless programmable room thermostat based on Honeywell's proven CM60RFNG 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 boiler, zone values, circulation pumps, thermal actuators, electric heaters, heat pumps, etc. in heating and cooling systems.

Technical Properties

Control functions

Fuzzy Logic Algorithm

Heating /Cooling application H or C
Time setting resolution

time of day 1 minute, program 10 minute steps

Holiday mode Yes
Optimisation Yes
Temperature setpoints per day

6

ErP Class IV
Manual operation functions

manual setpoint setting (MAN) and frost protection (OFF) modes available

Temp. setpoint range 0 ... 35 oC
Switch function/capacity

SPDT, 24..230 Vac, 10 A resistive, 3 A inductive

RF frequency range 868 ... 868,6 MHz
Blocking immunity

Receiver class 2 (ETSI EN300220-1 version 1.3.1)

Protection class

IP30 (receiver and transmitter)

Terminal max. wire size 2,5 mm2
Battery life

2 years typical

Power source

transmitter (room unit): battery powered, 2 x 1,5 V AA Alkaline cells supplied; receiver (relay box): mains powered 230 V, 50 Hz

Additional Descriptions
  • LCD backlighting
  • automatic summer/winter time change
  • user program stored in non-volatile memory
  • factory pre-set RF link between the room unit and the relay box
  • installer set-up mode


Výrobky

Product Type Default time display format
Party timer
Day off function
Display
Product literature language
1-day program

CMT921A1018
24 h - -

Dutch/French

NL, F


CMT921A1026
24 h - -

French

F


CMT921A1042
AM/PM - -

English

UK

7-day program

CMT927A1015
24 h

Dutch/French

NL, F


CMT927A1023
24 h

French

F


CMT927A1031
24 h

Spanish

E


CMT927A1049
AM/PM

English

UK


CMT927A1056
24 h

Italian

I


CMT927A1064
24 h

German/Hungarian/Portugese

D, HU, PO


CMT927A1072
24 h

Czech/Slovak/Polish

CZ, SK, PL

Accessories and replacement parts

CM920 Room unit; ErP Class V

Image Description Product Type Downloads
Wireless programmable control unit with 7-day clock for usage with HCE80, CM927, BDR91 CMS927B1015  
7-day Room unit spare (French version) CMS927B1023  
7-day Room unit spare (Spanish version) CMS927B1031  
7-day Room unit spare (UK/English version) CMS927B1049  
7-day Room unit spare (Italian version) CMS927B1056  
7-day Room unit spare (German/Hungarian version) CMS927B1064  
7-day Room unit spare (Cz, Sk, Pol version) CMS927B1072  
7-day Room unit spare (Belgian version) CMS921B1018  
7-day Room unit spare (French version) CMS921B1026  
7-day Room unit spare (UK version) CMS921B1042  

HC60NG Relay box

Image Description Product Type Downloads
Relay box (1-off) with English and German literature R6660D1009  
Relay box (1-off) with Dutch and French literature R6660D1017  
Relay box (1-off) with French literature R6660D1025  
Relay box (1-off) with Spanish literature R6660D1033  
Relay box (1-off) with UK literature R6660D1041  
Relay box (1-off) with Italian literature R6660D1058