fi gure 41 - Connection to terminal block and power relays
230 V
L N L N
2
4
LN
1 2 3
4
5
6
L N
230 V
L N L N
2
4
LN
1 2 3
4
5
6
1 2 3 L1 L2 L3 N
L1 L2 L3 N
Outdoor unit single phase
Outdoor unit 3-phase
Hydraulic unit
Hydraulic unit
Electricity supply
230 V single phase
Electricity supply
400 V 3-phase
DHW Electricity
supply 230 V
DHW Electricity
supply 230 V
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 "1572 - EN"
- 35 -
Heat pump air/water split 2 services alféa excellia duo