Viessmann AWT 221.A04, Installation And Service Instructions For Contractors

Page: 43 / 140

43
Outdoor unit power supply 230 V~
Type AWT/AWT-AC
221.A04
221.A05/A07 221.A10/A13
?
C N L
?
B
L1 N
A
Fig. 39
COM
Ni
?
Li N
0
L
0
B
?
N L1
A
?
Fig. 40
?
N L
?
N L
C2 C1
B
?
N L1
A
Fig. 41
A
Outdoor unit wiring chamber: see page 40.
B
Power supply 230 V/50 Hz
Type AWT/AWT-AC 221.A04 221.A05 221.A07 221.A10 221.A13
Cable cross-section
3 x 2.5 mm 2 3 x 2.5 mm 2 3 x 2.5 mm 2 3 x 2.5 mm 2 3 x 4.0 mm 2
Max. cable length 29 m 25 m 25 m 20 m 20 m
or or
Cable cross-section
— — — 3 x 4.0 mm
2
3 x 6.0 mm
2
Max. cable length
— — —
32 m 30 m
Fuse protection B20A B20A B20A B20A B32A
Outdoor unit power supply 400 V~
!
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.
Type AWT/AWT-AC 221.B10/B13/B16
?
N L
?
N L3
C2 C1
B
?
N L1
A
L2L1
L2 L3
Fig. 42
A
Outdoor unit wiring chamber: see page 40.
B
Power supply 400 V/50 Hz
Type AWT/AWT-AC 221.B10 221.B13 221.B16
Cable cross-section
5 x 2.5 mm
2
5 x 2.5 mm
2
5 x 2.5 mm
2
Max. cable length 30 m 30 m 30 m
Fuse protection B16A B16A B16A
Installation sequence
Power supply
(cont.)
5776 028 GB
Installation