Functional Parts Layout - Haier MRV5-H Service Manual

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