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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
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