3. INSTALLATION AND CONNECTION (continued)
The electrical power supply must have a motor power supply (aM) or
D-curve circuit breaker fuse protection device, as appropriate, and a
30mA earth-leak circuit breaker (see table below).
Models
Electrical
connection
Fuse rating aM
D-curve
circuit breaker
Always turn off the mains power supply before opening the electrical
control box.
3.5 Initial start-up
Start-up procedure – once installed, perform the following steps:
1) Turn the fan by hand to check that it turns freely, and that the blades are
properly attached to the motor shaft.
2) Check that the unit is correctly connected to the main power supply (see
wiring diagram in the appendix).
3) Turn on the filtration pump.
4) Check that all the water valves are open, and that the water flows towards
the unit before switching on the heating mode.
5) Check that the condensate drainage hose is attached correctly and does
not cause an obstruction.
6) Turn on the unit's power supply, then press the On/Off button
control panel.
8
HGS22T
400V
V/Ph/Hz
3N / 50Hz
A
8 aM
A
8 D
HGS24T
400V
3N / 50Hz
10 aM
10 D
on the