64
Open the casing door: See chapter "Removing the
heat pump module" on page 13.
Overview of electrical components
F
E
D
C
A
G
H
L
M
N
K
B
Fig. 42
A
Inverter
B
EEV PCB (refrigerant circuit controller)
C
Main PCB (MB 761)
D
Controller and sensor PCB (CU 401)
E
Luster terminals: Connections N and
F
Strain relief fittings
G
Luster terminals: Message and safety connections
H
Mains terminals for instantaneous heating water
heater (left) and compressor (right)
K
Heat pump control unit power supply
L
Expansion PCB (SA 135) on main PCB
M
Mains filter, inverter
N
Switching module for instantaneous heating water
heater
Maintenance
Opening the casing door
6153640
Service
Содержание VITOCAL 300-G
Страница 12: ...12 Removing the front panel 3 2 1 4 Fig 3 Installation sequence Siting the heat pump 6153640 Installation...
Страница 14: ...14 5 4 6 Fig 5 7 Fig 6 Installation sequence Siting the heat pump cont 6153640 Installation...
Страница 20: ...20 Opening the wiring chamber 1 2 Fig 10 Installation sequence Electrical connection cont 6153640 Installation...
Страница 22: ...22 6x X X 7 4 8 5 6 Fig 13 10 9 11 Fig 14 Installation sequence Electrical connection cont 6153640 Installation...