Viessmann Vitocal 222-A - Page 21

21
Opening the wiring chamber
Opening the outdoor unit wiring chamber: Types
221.A04 to 221.A08
A
B
Fig. 11
A
Compressor power supply
B
Modbus connection (connection to the indoor unit)
Opening the outdoor unit wiring chamber: Types
221.A10 to 221.A16
A
B
Fig. 12
A
Compressor power supply
B
Modbus connection (connection to the indoor unit)
Installation sequence
Installing the outdoor unit (cont.)
5831412
Installation