4
EN.33.C.74(NC).
Assembly instructions | LK Receiver Unit Cq 1 (NC)
Notes
Completely disturbance-free operation cannot
always be guaranteed with the technology av-
ailable today, which does not allow free use of
frequency bands. Installation should therefore be
tested individually.
60
75
4
27,1
LK Room Thermostat Cq-n
60
71
26,8
4
LK Reception Unit Cq 1
Technical data
Article name
LK Reception Unit Cq 1
Article no.
241 81 28
Power supply
230 V 50 Hz
Effect requirements
c:a 12 VA
Operating temperature
0 - + 50
Storage temperature
- 20 + 60
Antenna
Integrated
Signal out
1 relay with potential-free
contact
Dimensions
71 x 71 x 27 mm
Weight
0,144 kg
Capping class
IP 40
Max. no. controlling
devices
Max 8 pcs
Article name
LK Room Thermostat Cq-n
Article no.
241 88 50 (Polar white)
241 88 51 (Silver grey)
Setting area
+5 - +30 °C
Power supply
2 x 1.5 V = 3 V alkaline bat-
teries (LR03)
Battery life
Approx. 2 years
Control function
PBM (optional 2-point)
Cycle period
Approx. 10 minutes
(total on/off time)
Measurement interval
Approx. 10 minutes
Type-dependent
Heat/cold
Valve movement
Once per day for 3 minutes
(can be disconnected, BR 1)
Temperature sensor
NTC
Transmission frequency 868 MHz
Modulation
FM
Antenna
Internal
Sending interval/trans-
mission intervall
< 10 minutes
Range (typical)
100 metres ventilation or
2 levels alt. 3 walls
Capping class
IP 40
Protection level
2
Working temperature
-25 - +40 ºC
Storage temperature
-25 - +70 ºC
Temperature limits
One dial selector
