Haier MRV5-H - Functional Parts Layout

28
Part Name Sign Function Data Remark
Compressor /
"Capacity control, to meet indoor load through
frequency adjustment."
ANB66FZPMT: 0.23Ω
ANB78FZPMT: 0.23Ω
ANB66FZYMT: 0.23Ω
ANB78FZYMT: 0.23Ω
Pressure
Switch
HPS1/2 Protection control for high pressure. 602psi, OFF setting
Pressure
Sensor
Pd
In heating, compressor frequency adjustment and
protection control for abnormal pressure.
0~601psi
Ps
In cooling, compressor frequency adjustment and
protection control for abnormal pressure.
29-218psi.
"Electronic
Expansion
Valve"
LEVa1/2 Refrigerant ow control in heating. HAM-BD30SM-2
LEVb
1. Sub-cooling valve.
UKV-25D133
2. Refrigerant spraying when discharge temp. or oil
temp. is too high.
Solenoid
Valve
SV1
1. Balance between high and low pressures
when the compressor starts and stops;
2. Protection to prevent high and low pressures.
AC220V/2A
SV31
Started when the compressor discharging temperature
and oil temperature are too high to carry out
temperature reduction by refrigerant spraying.
AC220V/2A
SV7
Compressor VVI solenoid valve, which increases
refrigerant circulation of compressor
AC220V/2A
Single compressor unit/
Double compressors
unit-compressor 1
SV8
Compressor VVI solenoid valve, which increases
refrigerant circulation of compressor
AC220V/2A
Double compressors
unit-compressor 2
SV9
The outdoor unit for oil discharging starts SV9 for oil
balancing during oil balance among modules.
AC220V/2A
Single compressor unit/
Double compressors
unit-compressor 1
SV10
Outdoor unit SV10 for oil suction starts during oil
balance; for pressure relief to prevent explosion of pipe
group.
AC220V/2A
Double compressors
unit-compressor 2
SV14
Segrigator bottom oil return solenoid valve.which
makes the lubricating oil returned to the compressor in
time thus to avoid compressor failure due to the lack of
lubricating oil and ensure the normal operation of the
compressor.
AC220V/2A
SV181
Segrigator bottom oil return solenoid valve,which
makes the lubricating oil returned to the compressor in
time thus to avoid compressor failure due to the lack of
lubricating oil and ensure the normal operation of the
compressor.
AC220V/2A
Single compressor unit/
Double compressors
unit-compressor 1
SV182
Segrigator bottom oil return solenoid valve,which
makes the lubricating oil returned to the compressor in
time thus to avoid compressor failure due to the lack of
lubricating oil and ensure the normal operation of the
compressor.
AC220V/2A
Double compressors
unit-compressor 2
SV23
"Segrigator bottom oil return solenoid valve.
which makes the lubricating oil returned to the
compressor in time thus to avoid compressor
failure due to the lack of lubricating oil and
ensure the normal operation of the compressor."
AC220V/2A