Caution:
Turn off the power switch before connecting or disconnecting the connector. Failure to do so could damage
the board.
Switch on the power to check
whether the fan begin to run or not. Check to see if the
red indicator LED2 of fan board is
lighted up or not
NO
YES
Switch on the power
to check whether the fan
begins to run. See if the red
indicator LED2 of fan board is
lighted or not
NO
Replace
the motor
YES
Replace the
fan board
After the fan runs for
ten seconds, check
whether the red
indicator LED2 of fan
board is lighted or not
YES
Replace the
Power circuit of
fan board
NO
After the fan runs for
thirty seconds to one
minute, check
whether the red
indicator LED2 of fan
board is lighted and
there is fault P9
YES
Replace the
Main board
NO
Normal
2
4
N
P
3
1
6
5
1.
Power supply indicator lamp
2.
Fan motor U, V, W output port
3.
Error indicating lamp
4.
PCB control signal input port
5.
Program input port
6.
Switching power DC power input
* The normal value of output voltage
between P and N terminal on fan module is
DC 650V for 460V ODU.
65
Содержание 38VMA Series
Страница 8: ...II Refrigerant Circuit 1 Refrigerant Circuit Diagram Figure 17 38VMA072 096 120HDS 8...
Страница 9: ...Figure 18 38VMA144HDS 9...
Страница 11: ...2 Functional Parts Layout Figure 19 38VMA072 096 120HDS 11...
Страница 12: ...Figure 20 38VMA0144HDS 12...
Страница 13: ...3 Refrigerant Flow for Each Operational Mode a 38VMA072 096 120HDS Figure 21 Cooling Operation 13...
Страница 14: ...Figure 22 Cooling Oil Return 14...
Страница 15: ...Figure 23 Heating Oil Return and Defrost 15...
Страница 16: ...Figure 24 Heating Operation 16...
Страница 17: ...b 38VMA144HDS Figure 25 Cooling Operation 17...
Страница 18: ...Figure 26 Cooling Oil Return 18...
Страница 19: ...Figure 27 Heating Oil Return and Defrost 19...
Страница 20: ...Figure 28 Heating Operation 20...
Страница 21: ...III Function and Control 1 Operation Mode Figure 29 Operation Mode 21...
Страница 77: ...VIII Appendix 1 Wiring Diagram Figure 36 38VMA072 096 120HDS5 1 77...
Страница 78: ...Figure 37 38VMA144HDS5 1 78...
Страница 79: ...Figure 38 38VMA072 096 120HDS6 1 79...
Страница 80: ...Figure 39 38VMA144HDS6 1 80...
Страница 81: ...2 Electronic Control Box Layout Figure 40 38VMA072 096 120HDS5 1 Figure 41 38VMA144HDS5 1 81...
Страница 82: ...Figure 42 38VMA072 096 120HDS6 1 Figure 43 38VMA144HDS6 1 82...
Страница 83: ...Figure 44 Main control board layout Figure 45 ENC1 Outdoor unit addressing 83...
Страница 84: ...Figure 46 ENC4 network addressing Figure 47 ENC3 S12 Indoor unit quantity setting 84...
Страница 85: ...Figure 48 S5 Running mode priority setting Figure 49 S6 Auto addressing 85...
Страница 86: ...Figure 50 S11 anti snow setting Figure 51 S16 Mode setting 86...
Страница 87: ...Figure 52 S17 Heating mode setting Figure 53 S18 Cooling mode setting 87...
Страница 93: ...Figure 55 Control Board Views 93...
Страница 97: ...2 38VMA144HDS5 1 Figure 56 3 Phase Heat Pump Exploded View 97...
Страница 98: ...98...
Страница 99: ...Figure 57 Control Board Views 99...
Страница 103: ...3 38VMA072HDS6 1 38VMA096HDS6 1 38VMA120HDS6 1 Figure 58 3 Phase Heat Pump Exploded View 103...
Страница 104: ...Figure 59 Control Board Views 104...
Страница 108: ...4 38VMA144HDS6 1 Figure 60 3 Phase Heat Pump Exploded View 108...
Страница 109: ...109...