32
32
Fan
Blue
Cooling
valve
Speed 1(LS)
Speed 2
Speed 3 (HS)
Cooling valve open
L: Thermostat supply (230 V a.c.)
N: Thermostat supply (230 V a.c.)
Electric
heater
RELA
Y
Electric heater control
Cooling
valve
Fan
Blue
Electric
heater
RELA
Y
Supply:
230 V, 50 Hz, 1 phase 3G2,
5 mm
2
Protection: T16A
Supply:
230 V, 50 Hz, 1 phase 3G2,
5 mm
2
Protection: T16A
13.4.2 - 2 pipe configuration and electric heater