Haier HP150M5 Operation And Installation Manual page 19

Installation introduction
Wiring diagram
GND
Compressor
capacitor
Four-way valve
White
White
R
Blue
S C
Compressor
Terminal block
Power cord
Commissioning
Installers shall use checking list for trial operation of water heaters as per the user manual
and make in . □
√
Electrical wires are fixed securely?
Water drain pipes are connected correctly?
Ground wires are connected securely?
Supply voltage conforms to relevant electric codes?
The control panel works well?
All noises are normal?
The water tank has been connected with dedicated pressure relief valve (TP valve) and
check valve?
Materials for hot/cold water pipes conform to requirements of use of hot/cold water?
After the water system is completed, the water tank is filled with water? Is there water
drained out of the water outlet of the hot water pipeline?
After the water pipe of the water system is filled, check the whole water pipeline. There
is no leakage?
After the water system is filled with water, is there water flowing out after pressure is
relieved via the automatic safe pressure relief valve?
After the water system is filled with water and after leakage check, all outdoor water
pipelines are applied with heat insulation treatment?
The drain valve, drain pipe and pressure relief valve drain pipe of the water tank have
been connected to the sewage system and the drainage can be carried out well?
CN11
CN19
CN16
MAIN BOARD
K3
White
Current
transformer
︳
K4
Black
CN27
K5
︳
Blue
Blue
L
N
Leakage
( N ) Blue
protection coil
Brown
(Ｌ)
CN9
CT1
CN24 CN5 CN1
CN28
EXV
19
FAN
Discharge temperature
sensor
Defrost temperature
sensor
Ambient temperature
sensor
Suction temperature
sensor
Water tank temperature
sensor
CN2