Wiring Diagram And Legend; Wiring Diagram; Legend; Power Supply - SystemAir SYSAQUAC 25 Manuel D'installation

11. WIRING DIAGRAM AND LEGEND

11.1. WIRING DIAGRAM

11.2. LEGEND

SE 4483 models 25 to 55:
SE 4482 models 25 to 55:
SE 4477 models 65 / 75:
SE 4476 models 65 / 75:
SE 4479 models 90 / 105 / 125:
SE 4478 models 90 / 105 / 125:

11.2.1. POWER SUPPLY

Power cable must be connected to the main power supply switch QG (Copper cable is recommended).
The supply is protected at the head by an FFG main fuse holder supplied by the installer. It must be fitted next to
the unit. Refer to the § ELECTRIC SPECIFICATIONS, page 11
The electrical installation and wiring of this unit must comply with local electrical installation standards.
² Three phase 400 V~ 50Hz + Neutral + Ground :
On the L1, L2, L3, N terminals of the QG section switch
On the ground screw of the earth cable.

11.2.2. WIRING DIAGRAM KEY DESCRIPTIONS

11.2.2.1. POWER SUPPLY DIAGRAMS
QG : main section switch
KA1 : three-phase network control relay (phase sequence and cut-out)
FT1/2 : M1/2 compressors magneto-thermal circuit breaker
K1/2 : M1/2 compressors power circuit contactor
M1/2 : compressors 1 and 2
R1/2 : M1/2 compressors crankcase heater
FTC : control circuit magneto-thermal circuit breaker
FFOF1/2: fuse carrier
ACS1/2: three phase frequency variator of outside ventilation
KOF1 : three phase frequency variator command relay
OF1/2 : outdoor fan motor
S1 : compressor internal safety device 1
FPC.AS : Pressure transducer (high-pressure)
SEE APPENDIX
N 814
Control
Power
Control
Power
Control
Power
18
Mono 230V 50Hz +/- 10%
Tri 400V+N 50Hz +/- 10%
Mono 230V 50Hz +/- 10%
Tri 400V+N 50Hz +/- 10%
Mono 230V 50Hz +/- 10%
Tri 400V+N 50Hz +/- 10%