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Table 32 -
List of Advanced Mode Codes
Symbol
Function
Item
Description
_n1_
Special function for debug
_n12
Forced cooling (62.6
⁰
F of IDU)
_n13
Forced heating (86
⁰
F of IDU)
_n14
Cooling test
_n15
Heating test
_n2_
Refrigerant recycle function
_n21
Refrigerant recycle to outdoor units
_n22
Refrigerant recycle to indoor units
_n23
Refrigerant recycle to piping
_n26
Maintenance operation
_n3_
Error query
_n31
Historical error query
_n32
Clear the historical errors
_n4_
Night time setting
_n41
6/10h (default)
_n42
6/12h
_n43
8/10h
_n44
8/12h
_n5_
Silent mode setting
_n51
Night silent mode
_n52
Silent mode
_n53
Super silent mode
_n54
None silent mode (default)
_n8_
Static pressure mode setting
_n81
Standard static pressure mode (Default)
_n82
Low static pressure mode (Reserved)
_n83
Medium static pressure mode (Reserved)
_n84
High static pressure mode (Reserved)
_nb_
Temperature unit setting
_nb1
Temperature unit: °C
_nb2
Temperature unit: °F (Default)
_NC_
T4 sensor (outdoor temperature) threshold
to enable Auxiliary Heat. Aux heat will
enable when outdoor temperature falls 1.8 F
below this temperature.
_nC1
Auxiliary heat disabled
_nC2
5°F
_nC3
15°F
_nC4
25°F
_nC5
35°F
_nC6
45°F
_nC7
55°F
_nC8
65°F
NOTE:
All codes are only available for master unit.
a. Instruction for Advanced Mode
Special function for debug:
“
_n12” Forced Cooling
Enter “Forced cooling (_n12)” mode. All indoor units will run in cooling mode, and the forced cooling mode will be exited
automatically after running 60 minutes.
“
_n13” Forced Heating
Enter “Force heating (_n13)”mode. All indoor units will run in heating mode, and the forced heating mode will be exited
automatically after running 60 minutes.
40
Summary of Contents for 38VMA Series
Page 8: ...II Refrigerant Circuit 1 Refrigerant Circuit Diagram Figure 17 38VMA072 096 120HDS 8...
Page 9: ...Figure 18 38VMA144HDS 9...
Page 11: ...2 Functional Parts Layout Figure 19 38VMA072 096 120HDS 11...
Page 12: ...Figure 20 38VMA0144HDS 12...
Page 14: ...Figure 22 Cooling Oil Return 14...
Page 15: ...Figure 23 Heating Oil Return and Defrost 15...
Page 16: ...Figure 24 Heating Operation 16...
Page 17: ...b 38VMA144HDS Figure 25 Cooling Operation 17...
Page 18: ...Figure 26 Cooling Oil Return 18...
Page 19: ...Figure 27 Heating Oil Return and Defrost 19...
Page 20: ...Figure 28 Heating Operation 20...
Page 21: ...III Function and Control 1 Operation Mode Figure 29 Operation Mode 21...
Page 77: ...VIII Appendix 1 Wiring Diagram Figure 36 38VMA072 096 120HDS5 1 77...
Page 78: ...Figure 37 38VMA144HDS5 1 78...
Page 79: ...Figure 38 38VMA072 096 120HDS6 1 79...
Page 80: ...Figure 39 38VMA144HDS6 1 80...
Page 81: ...2 Electronic Control Box Layout Figure 40 38VMA072 096 120HDS5 1 Figure 41 38VMA144HDS5 1 81...
Page 82: ...Figure 42 38VMA072 096 120HDS6 1 Figure 43 38VMA144HDS6 1 82...
Page 83: ...Figure 44 Main control board layout Figure 45 ENC1 Outdoor unit addressing 83...
Page 84: ...Figure 46 ENC4 network addressing Figure 47 ENC3 S12 Indoor unit quantity setting 84...
Page 85: ...Figure 48 S5 Running mode priority setting Figure 49 S6 Auto addressing 85...
Page 86: ...Figure 50 S11 anti snow setting Figure 51 S16 Mode setting 86...
Page 87: ...Figure 52 S17 Heating mode setting Figure 53 S18 Cooling mode setting 87...
Page 93: ...Figure 55 Control Board Views 93...
Page 97: ...2 38VMA144HDS5 1 Figure 56 3 Phase Heat Pump Exploded View 97...
Page 98: ...98...
Page 99: ...Figure 57 Control Board Views 99...
Page 103: ...3 38VMA072HDS6 1 38VMA096HDS6 1 38VMA120HDS6 1 Figure 58 3 Phase Heat Pump Exploded View 103...
Page 104: ...Figure 59 Control Board Views 104...
Page 108: ...4 38VMA144HDS6 1 Figure 60 3 Phase Heat Pump Exploded View 108...
Page 109: ...109...