2) Terminal block 2
A
,
B
,
C
:
D
:
E
:
Water Pump
A-Pump 1
:
Circulation
pump
(
heating
)
B-Pump 2
:
Circulation
pump
(
cooling
)
C-Pump 3
:
Circulation
pump
(
hot water
)
Pump 0: DC pump inside the indoor control unit.
If there is an external water pump in heating, cooling and hot water system, it can be connected to these ports,
to be under the control of heat pump,
Power supply for HWTBH-Hot Water Tank Back-up Heater (Power
Cord:
H05VV-F 3
×
,
power output)
Refer to explanation of port C of terminal block 1.
Power supply for HBH-Heating Back-up Heater (Power
Cord:
H05VV-F 5
×
, power output)
Refer to explanation of port D of terminal block 1.
2
1.5mm
2
1.5mm
PE
P1 PE
P2 PE
P3
A
B
C
PE N2 L12 L22 L32 PE N3 L13 L23 L33
D
E
For user's side
3. Installation
60
