Haier HU062WAMNA Service Manual page 17

Part name Model
AW042SSCHA
AW062SSCHA
Compressor
AW082SNCHA
AW102SNCHA
Pressure
All
sensor
Pressure
All
switch
AW062SSCHA
Electronic
AW042SSCHA
expansion
AW082SNCHA
valve
AW102SNCHA
4-way valve All
Solenoid
All
valve
Liquid
All
receiver
Gas-liquid
All
separator
Refrigerant
All
valve
Flow sensor All
Pump All
Water
pressure All
gauge
Heater All
Expansion
All
Vessel
Water filter All
Plate heat
All
exchanger
Pressure
All
relief valve
Air purge
All
valve
Temp.
All
sensor
abbr. Function
Capacity control, meet indoor load request
Comp.
by adjusting the frequency
Pd High pressure detection
Ps Low pressure detection
Hps High pressure protection
EEV In heating, refrigerant flow control
4WV Change over between cooling and heating
Refrigerant jet protection when
SV2
discharging temp. is too high
/ Used to storage the refrigerant
/ Used to separate the gas and liquid
/ Used to charge the refrigerant to unit
/ Detect water flow
Pump Transport liquid
/ Detect water pressure
/ Auxiliary heating at low temperature
/ Pressure fluctuation of buffer system
/ Filter impurities in water
Used to exchange the heat from
/
refrigerant to water
/ Reduce system pressure
Release gas from heating system and
/
water supply pipeline
Detect the discharging temp. of
Td
compressor
Ts Suction temp. of compressor
Check frost condition of outdoor heat
Te
exchanger
Detect ambient temp. set primary setting
Tao for fan speed target pressure and PMV
open angle
Detect the refrigerant inlet temp. of heat
Thi
exchanger
Detect the refrigerant outlet temp. of heat
Tho
exchanger
Detect the water inlet temp. of heat
Twi
exchanger
Detect the water outlet temp. of heat
Two
exchanger
Motor resistance (at 20°C): 2.32Ω
Motor resistance (at 20°C): 1.96Ω
Motor resistance (at 20°C): 1.82Ω
electrified in cooling or defrosting
R (80°C)=50KB (25/80°C)=4450K
17
Characteristics
Pressure range:0 to 4.15MPa
Pressure range:0 to 1.7MPa
4.15MPa, OFF
Φ1.5
Φ1.8
AC220V, electrified in heat; not
AC220V
Volume:0.3L
Volume:1.28L
φ6.35
5-80L/min
Pumping head:8m
0-0.4MPa
1+3KW
5L
40 mesh
Design pressure:
water side:1.5MPa;
Refrigerantside:4.2MPa
Operation pressure:0.55MPa
/
R(25°C)=10KB
(25/50°C)=3700K