1
FH-RT Wireless Room Thermostat
FH-BU Wireless Base Unit
Installation & Operating Instructions
Specification
Base unit (230 V)
Order Code:
088H011901
Primary voltage:
230 V a.c.
Secondary voltage:
230 V a.c.
Outputs 1-6:
230 V a.c., 1 A max., relay
controlled
Outputs 7-8:
8 A, 230 V a.c./50 Hz, relay
controlled, convertible to
volt-free outputs
Max. no. of thermostats:
8 (wireless)
Max. no. of thermal actuators:
20
Max. no. of thermal actuators
per output:
4
Output 8 run-on time:
10 min
Thermal actuator & pump exercise
Once daily (approx. every 24
hours after connecting the
power supply for the first
time)
Settings after power failure:
User settings are retained
Enclosure:
IP20
Dimensions [mm]
310 x 110 x 55
Ambient temperature:
0-50°C
Humidity:
Less than 85%
Thermostat
Order Code:
088H012100
Temperature scale:
6-30°C +/- 2K
Hysteresis:
+/- 0.5°C
Scale accuracy:
2K around set point
Night set-back:
4K at 20°C
Frequency:
433.70 MHz
Battery life:
Min. 5 years
Battery type:
3.6 V lithium battery, 2100
mAh, size AA
Transmission range:
Up to 30 m (radius)
Transmission interval:
2-30 min
Ambient temperature:
0-50°C
Humidity:
Less than 90%
System Schematic
Power
Mode
OK
1
2
3
4
5
6
7
8
80 mm
80 mm
60 mm
30 mm
10
20
30