Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 52

Installation sequence
Power supply
(cont.)
GND Rx/Tx- Rx/Tx+
Modbus
Fig. 49
Outdoor unit wiring chamber: See page 19.
A
Power supply 400 V/50 Hz
B
Max. cable length
Vitocal 222-S Type
400 V appliances
■
■
■
Max. fuse rating
Type AWBT/AWBT-E/AWBT-E-AC
Max. fuse rating
Instantaneous heating water heater power supply
■ Type AWBT(-M)-E/AWBT(-M)-E-AC 221.C:
Factory-fitted
■ Type AWBT(-M) 221.C:
Accessories
52
L1 L2 L3 N
L1 L2 L3 N
B
AWBT 221.C10
AWBT-E
221.C13
AWBT-E-AC
221.C16
A
?
?
Cable
5 x 2.5 mm
5 x 2.5 mm
5 x 2.5 mm
221.C10
16 A
Max. cable length
2
2
2
221.C13 221.C16
16 A
30 m
30 m
30 m
16 A