78
79
Components that can be taught-in
Technical specifications
Syn
Attempts to synchro-
nize with known HM
device
/
CRC
CRC error after firm-
ware update
Please perform firmware
update again
FUP
Firmware update is
in progress
/
tSd
Temperature sensor
value defect or out
of range
replace device or operate
device in current tempera-
ture range
trd
Transceiver module
defect
Replace device
19 Components that can be taught-
in
The following HomeMatic devices can be taught-in the the
room thermostat:
• max, 1 HomeMatic Central Control Unit (CCU or con-
figuration adapter)
• max. 8 HomeMatic Radiator Thermostats
• max. 8 HomeMatic Door/Window Contact / Window Ro-
tary Handle Sensors
• max. 8 button pairs of HomeMatic Remote Controls or
Display Push-Buttons
• max. 8 HomeMatic Switching Actuators (8 channels)
If you have taught-in the HomeMatic Room
Thermostat to a radiator thermostat, the open-win-
dow detection will be deactivated automatically via
the temperature fall detection of the radiator
thermostat.
20
Technical specifications
Device short description: HM-TC-IT-WM-W-EU
Supply voltage:
2 x 1.5 V LR03/micro/AAA
Battery lifetime:
approx. 1 year
Current consumption:
40 mA (max.)
Degree of protection:
IP20
Protection class:
III
Ambient temperature:
0 to 50 °C
Dimensions (W x H x D)
without frame
55 x 55 x 20 mm
incl. frame:
86 x 86 x 21.5 mm
Weight:
74 g (not incl. batteries)
Radio frequency:
868.3 MHz
Receiver class:
SRD Class 2
Typ. open area RF range: > 100 m
Duty cycle:
< 1 % per h
Method of operation:
Type 1
Subject to technical changes.
Instructions for disposal:
Do not dispose of the device with regular domestic
waste. Electronic equipment must be disposed of
at local collection points for waste electronic
equipment in compliance with the Waste Electrical
and Electronic Equipment Directive.
The CE sign is a free trading sign addressed
exclusively to the authorities and does not include
any warranty of any properties.