35
Recommendation:
Install the thermostat TH 10 as safety device.
Set the switch-off temperature to 7 °C and
the differential temperature to 3 K.
Optionally, the switch-off temperature can be
adjusted manually using the setting wheel at
the TH 10.
H1
230 V fault indication light (to be
supplied by the customer),
e.g. glow lamp
B
Room air control RLS 2 F
(control unit with timer)
L1
230 VAC connecting cable
L2
Control cable for room air control
JP1 Plug jumper JP1 on operating mode
"K”. Relay switches the WRG 300 /
400 EC off as the temperature drops.
TH10
Thermostat with temperature
sensor
R1
R1
Temperature sensor, installa-
tion in supply air channel
ahead of the WRH
WRG 300 /
400 EC
Ventilation unit
WRH..
Water air heater
