Fujitsu WATERSTAGE WOYG112LHT Maintenance Document page 39

Air to Water Heat Pump (Split integrated DHW type)
" Model single phase
" Model single phase
Hydraulic unit
1 2 3 4 5
External component
contact *
N
L
Back-Up Electricity
supply 230 V
" Model 3-phase
" Model 3-phase
Hydraulic unit
1 2 3 4 5 6
1 2 3 4 5 6
L1 L2 L3
COMMUN
External component
contact *
L1 L2 L3
Back-Up Electricity
supply 400 V
Installation and operating manual "1768 - EN"
Hydraulic unit
6
1 2 3 4 5 6
2
4
L N L N
230 V
External component
contact *
LN
DHW power supply
230 V
DHW Electricity
supply 230 V
Hydraulic unit
5
1 2 3 4 6
2
4
L N L N
230 V
External component
contact *
LN
DHW Electricity
DHW power supply
supply 230 V
230 V
figure 44 - Connection to terminal block and power relays
2 4
L N L N
230 V
Green / yellow
Brown
Blue
Interconnection between
Red
the outdoor unit and
the hydraulic unit
Interconnection between
the outdoor unit and
the hydraulic unit
LN
2 4
L N
L N
230 V
Green / yellow
Brown
Interconnection between
Blue
the outdoor unit and
Red
the hydraulic unit
Interconnection between
the outdoor unit and
LN
the hydraulic unit
Outdoor unit single phase
Outdoor unit single phase
Green / yellow
Brown
Blue
Red
L N
Power supply
230 V single phase
Electricity supply
230 V single phase
Outdoor unit 3-phase Outdoor unit 3-phase
1 2 3 L1 L2 L3 N
1 2 3 L1 L2 L3 N
Green / yellow
Brown
Blue
Red
L1 L2 L3 N
L1 L2 L3 N
Electricity supply
Power supply
400 V 3-phase
400 V 3-phase
L N
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