H P 9 0 0 / 1 2 0 0 S P L I T P R E M I U M
I n s t a l l a t i o n a n d u s e r m a n u a l
P a g e
1 3
/ 3 6 V e r s i o n : 0 1 / 2 0 1 7
HEAT P
U
MP
MI
C
R
O
W
E
L
L HP
3.7
Block wiring diagram of the PCB board – Display on water unit
FM
CM
Fan
Compressor
4-way
valve
OUT3 4 5 6 7
PCB board
OUT2
OUT1
CN4
CN6
CN7
CN2
Water flow sensor /
Flow switch
Connector A, B, C
Transformer
Display
L N 3 4
Compressor
capacitor
Fan
capacitor
Heat pump power
supply
L N
Circulation pump
connection
230VAC
max. 500W
Sensors
T4
Picture: Power supply connection of
the condensing unit, auxliary
circulation pump, 1-4 sensors of the
water unit and A-B-C connector of
the control display.
T3
T1
1 2 3 4
1 2 3 4
T2
T5
Picture: Four pin terminal connection of water
unit (1-4 sensor connection with condensing
unit) and three pin terminal connection of the
control display.
Legend:
FM – Fan motor
CM - Compressor
OUT 1 – Compressor L
OUT 2 – Compressor N
OUT 3 – output of 4-way valve L
OUT 4 – output of 4-way valve
OUT 5 - fan L
OUT 6 – circulation pump L
Sensors:
T1 – Evaporator / defrosting
T2 – Inlet water temperature
T3 – Ambient air temperature
T4 – Compressor discharge
temperature
T5 – Outlet water temperature
A B C
A B C
Water flow sensor /
itch
Flow swi
Connector A, B, C
Display
1 2 3 4
1 2 3 4
T2
T5
A B C
A B C
Notice: Manufacturer reserves the right to change electrical wiring without
notice.
