Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 51

Power supply
(cont.)
Outdoor unit power supply 230 V~: Type AWBT-M/AWBT-M-E/AWBT-M-E-AC 221.C04 to 221.C16
GND Rx/Tx- Rx/Tx+
Modbus
Fig. 48
Outdoor unit wiring chamber: See page 19.
A
Power supply 230 V/50 Hz
B
Max. cable length
Vitocal 222-S Type
230 V appliances
■
■
■
Max. fuse rating
Type AWBT-M/AWBT-M-E/AWBT-M-E-AC
221.C04 221.C06
16 A
Outdoor unit power supply 400 V~: Type AWBT/
AWBT-E/AWBT-E-AC 221.C10 to 221.C16
!
Please note
Incorrect phase sequence can cause damage to
the appliance.
Make the compressor power supply only in the
phase sequence specified (see terminals) with a
clockwise rotating field.
L3 N
L N
B
AWBT-M 221.C04
AWBT-M-E
221.C06
AWBT-M-E-AC
221.C08
221.C10
221.C13
221.C16
221.C08
16 A 16 A
A
?
?
Cable
3 x 2.5 mm
3 x 2.5 mm
3 x 2.5 mm
3 x 2.5 mm
3 x 4.0 mm
3 x 2.5 mm
3 x 4.0 mm
3 x 2.5 mm
3 x 4.0 mm
221.C10 221.C13
25 A
Installation sequence
Max. cable length
2 29 m
29 m
2
29 m
2
2 20 m
or
32 m
2
20 m
2
or
2 32 m
20 m
2
or
32 m
2
221.C16
25 A 25 A
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