38
Number
of
Presses
Display
Remark
0
Normal display
Displays running frequency, running state, or malfunction
code
1
Quantity of indoor units with working
connection
Actual data
Display
Number of indoor unit
1
1
2
2
3
3
4
4
2
Outdoor unit running mode code
Off: 0,Fan only: 1, Cooling: 2, Heating: 3, Forced cooling: 4.
Forced defrost:A
3
Indoor unit A capacity
The capacity unit is horse power. If the indoor unit is not
connected, the digital display shows the following: “――”
(9K:1HP,12K:1.2HP,18K:1.5HP)
4
Indoor unit B capacity
5
Indoor unit C capacity
6
Indoor unit D capacity
7
Indoor unit E capacity
8
Indoor unit A capacity demand code
Norm code*HP
(9K: 1HP,12K: 1.2HP,18K: 1.5HP)
9
Indoor unit B capacity demand code
10
Indoor unit C capacity demand code
Summary of Contents for MCH2U-18PHH2
Page 3: ...3 MCH4U 36PHH2 WD30 metal plate 118 MCH5U 48PHH2 WE30 metal plate 125...
Page 23: ...23 7 Wiring Diagrams 7 1 Wiring diagram of 1 drive 2 outdoor MCH2U 18PHH2...
Page 24: ...24 7 2 Wiring diagram of 1 drive 3 outdoor MCH3U 27PHH2...
Page 25: ...25 7 3 Wiring diagram of 1 drive 4 outdoor MCH4U 36PHH2...
Page 26: ...26 7 4 Wiring diagram of MCH5U 48PHH2...
Page 31: ...31 PCB board of MCH5U 48PHH2...
Page 32: ...32 IPM board of MCH5U 48PHH2...
Page 44: ...44...
Page 46: ...46 Operating Standby Pic 2 IPM for 2 zone 3 zone...
Page 54: ...54 8 4 1 7 Over voltage or under voltage protection diagnosis and solution...
Page 59: ...59...
Page 61: ...61 Operating Standby Pic 2 IPM board for 2 zone 3 zone...
Page 64: ...64...
Page 68: ...68 IPM board for 2 zone 3 zone...
Page 70: ...70 IPM board for 4 zone...
Page 73: ...73 Two ports of the inductance Inductance...
Page 76: ...76 Vs Vcc Vsp FG...
Page 78: ...78...
Page 79: ...79...
Page 81: ...81...
Page 82: ...82...
Page 84: ...84...
Page 85: ...85...
Page 87: ...87...
Page 98: ...98 6 EXV check Disconnect the connectors...
Page 100: ...100 Red Blue Red Yellow...
Page 101: ...101 Brown Orange...
Page 102: ...102 Brown White...
Page 112: ...112 Screws of front panel Screws of right rear panel Screws of front panel...
Page 120: ...120 Screws of front panel Screws of right rear panel Screws of front panel...