fi gure 33 - Connection to terminal block and power relays
1 2 3
4
5
6
L N
L
N
1 2 3
4
5
6
1 2 3 L1 L2 L3 N
L1 L2 L3 N
1 2 3 4 5 6
L1 L2 L3
COMMUN
L1 L2 L3
Outdoor unit single phase
Outdoor unit 3-phase
Hydraulic unit
Hydraulic unit
Electricity supply
230 V single phase
Electrical back-up
supply 230 V
single phase
Electricity supply
400 V 3-phase
Electrical back-up
supply 400 V
3-phase
External component
contact *
External component
contact *
Red
Red
Blue
Blue
Brown
Brown
Green / yellow
Green / yellow
Interconnection
between the outdoor unit
and the hydraulic unit
Interconnection
between the outdoor unit
and the hydraulic unit
"
Model single phase
"
Model 3-phase
Installation and operating manual "1533 - EN"
Air to Water Heat Pump
- 30 -