Electric installation
AirModule –6 720 813 268(2014/10)
29
8.8 Power supply heat pump and heat pump module 9 kW 3N~
Fig. 29 Power supply heat pump and heat pump module 9 kW
[1] Input 400 V 3 N~
[2] User interface
[3] Immersion heater alarm output ([2] Fig. 31)
[4] Installer module operating voltage ([1] Fig. 31)
[EE] Immersion heater
[FE] Immersion heater overheating protection
[F1] Terminal fuse
[P] Pressure switch
[K1] Contactor step 1
[K2] Contactor step 2
[K3] Contactor step 3
• Immersion heater during compressor mode: 2-4-6 kW (K3 blocked)
• Only immersion heater, compressor off: 3-6-9 kW
6 720 809 156-36.2I
1
2
3
4
Connection on: L1-L2-L3-1N-PE.
Feed heat pump: 2L3-2N-PE.
User interface: L-N-PE
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