Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 48

Installation sequence
Electrical connection
Types 221.C10 to 221.C16, 400 V~
BC D
A
Fig. 45
EEV PCB (refrigerant circuit controller)
A
Fan fuse 6.3 A (slow)
B
Refrigerant circuit controller fuse 6.3 A (slow)
C
Inverter
D
Mains terminals 400 V/50 Hz:
E
See page 50.
Modbus terminal for bus cable, outdoor unit
F
indoor unit: See next chapter.
Connecting the bus cable between the indoor and outdoor unit
Use a flexible data cable, e.g. LiYCY.
48
(cont.)
E
F
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