110
6
The 4-way
valve
How to remove the 4-way
valve
1) Perform work of item
2.
2) Extract refrigerant gas.
3) Remove the electrical parts
from item 3.
4) Remove fixing screw of the
coil, and remove the coil.
5) Detach the welded parts of
4-way valve and pipe.
7
The
expansion
valve
How to remove the expansion
valve
1) Perform work of item
1,2.
2) Remove the electrical parts
from item 3..
3) Remove the coils.
4) Detach the welded parts of
expansion valves and
pipes.
MCH3U-27PHH2 (WD30 metal plate)
No. Part name
Procedures
Remarks
1
Panel plate
How to remove the panel
plate.
1)
Turn off the air
conditioner. Turn off the power
breaker.
Coil
Welded parts
Coils
Expansion
valves
Screws of top cover
Screws of
big handle
Содержание MCH2U-18PHH2
Страница 3: ...3 MCH4U 36PHH2 WD30 metal plate 118 MCH5U 48PHH2 WE30 metal plate 125...
Страница 23: ...23 7 Wiring Diagrams 7 1 Wiring diagram of 1 drive 2 outdoor MCH2U 18PHH2...
Страница 24: ...24 7 2 Wiring diagram of 1 drive 3 outdoor MCH3U 27PHH2...
Страница 25: ...25 7 3 Wiring diagram of 1 drive 4 outdoor MCH4U 36PHH2...
Страница 26: ...26 7 4 Wiring diagram of MCH5U 48PHH2...
Страница 31: ...31 PCB board of MCH5U 48PHH2...
Страница 32: ...32 IPM board of MCH5U 48PHH2...
Страница 44: ...44...
Страница 46: ...46 Operating Standby Pic 2 IPM for 2 zone 3 zone...
Страница 47: ...47 PIC3 Main board LED when power on and unit standby Pic 2 IPM for5 zone Power Standby Operating...
Страница 54: ...54 8 4 1 7 Over voltage or under voltage protection diagnosis and solution...
Страница 59: ...59...
Страница 61: ...61 Operating Standby Pic 2 IPM board for 2 zone 3 zone...
Страница 62: ...62 PIC3 Main board LED when power on and unit standby Pic 2 IPM for5 zone Power Standby Operating...
Страница 64: ...64...
Страница 68: ...68 IPM board for 2 zone 3 zone...
Страница 70: ...70 IPM board for 4 zone...
Страница 73: ...73 Two ports of the inductance Inductance...
Страница 76: ...76 Vs Vcc Vsp FG...
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Страница 98: ...98 6 EXV check Disconnect the connectors...
Страница 99: ...99 Resistance to EXV coil Color of lead wire Normal Value Red Blue About 50 Red Yellow Brown Orange Brown White...
Страница 100: ...100 Red Blue Red Yellow...
Страница 101: ...101 Brown Orange...
Страница 102: ...102 Brown White...
Страница 112: ...112 Screws of front panel Screws of right rear panel Screws of front panel...
Страница 120: ...120 Screws of front panel Screws of right rear panel Screws of front panel...