24
A
Connecting cable: Control cable
230 V~ to heat pump control unit
(accessory)
B
Connecting cable: LV cable < 42 V
to heat pump control unit (acces-
sory)
C
LV plug (< 42 V)
D
Fan terminals (connected at the fac-
tory)
■ Power supply
■ MCB/fuse 6.3 A (slow, H)
■ Signal for control via Modbus
E
Compressor switching module
F
EEV PCB (refrigerant circuit control-
ler
[4]
): See service instructions for
"Vitotronic 200".
Power cable
!
Please note
An incorrectly connected power
supply can result in appliance
damage.
Observe information from
page 51 before connecting the
power supply.
Installation sequence
Electrical connections, heat pump
(cont.)
5516 436 GB