Viessmann Vitocal 222-A - Page 45

45
Types 221.A10 to 221.A16, 400 V~
E
F
A
BC D
Fig. 38
A
EEV PCB (refrigerant circuit controller)
B
Fan fuse 6.3 A (slow)
C
Refrigerant circuit controller fuse 6.3 A (slow)
D
Inverter
E
Mains terminals 230 V/50 Hz:
See page 48.
F
Terminal for Modbus cable between indoor/outdoor
unit: See next chapter.
Connecting Modbus cable between indoor unit and outdoor unit
Use a flexible data cable with a minimum cross-section
of 0.14 mm
2
, e.g. LIYCY.
No screen is required.
Installation sequence
Electrical connection (cont.)
5831412
Installation