Viessmann Vitocal 222-A - Page 48

48
Outdoor unit power supply 230 V~: Type AWOT-M-E/AWOT-M-E-AC 221.A04 to 221.A16
GND
Rx/Tx- Rx/Tx+
Modbus
L N
A
B
L3
N
L2
L1
PE
PE
C
Fig. 41
A
Outdoor unit wiring chamber: See "Opening the
outdoor unit wiring chamber".
B
Power supply 230 V/50 Hz
C
Separator (supplied)
Note
Nothing must be connected to L1 or L2.
Danger
Serious injury can be caused by electric current
and appliance damage can result if wires drift
into the adjacent voltage area.
It is essential to insert the separator supplied.
Max. cable length
Vitocal 222-A Type Cable Max. cable length
230 V appliances
■
AWOT-M-E
■
AWOT-M-E-AC
221.A04
3 x 2.5 mm
2
29 m
221.A06
3 x 2.5 mm
2
29 m
221.A08
3 x 2.5 mm
2
29 m
221.A10
3 x 2.5 mm
2
20 m
or
3 x 4.0 mm
2
32 m
221.A13
3 x 2.5 mm
2
20 m
or
3 x 4.0 mm
2
32 m
221.A16
3 x 2.5 mm
2
20 m
or
3 x 4.0 mm
2
32 m
Max. fuse rating
Type AWOT-M-E/AWOT-M-E-AC
221.A04 221.A06 221.A08 221.A10 221.A13 221.A16
16 A 16 A 16 A 25 A 25 A 25 A
Installation sequence
Power supply (cont.)
5831412
Installation