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Table 15 - EXV A, EXV B (38VMA144HDS)
Capacity
1—15
16—30
31—48
Initial pulse step
120P
250P
380P
Normal control
Table 16 - EXV C
Electronic Expansion Valve
EXV C
Normal control
0P
NOTE:
Completely open position of electronic expansion valve (EXV) is 480P.
When the compressor ramps up, EXV will be at initial pulse step for 4 minutes, and then the EXV will be adjusted according to
the maximum discharge temperature.
The system will check the maximum discharge temperature every 2 minutes.
4. Fan Control
Table 17 -
Fan Steps
Fan Steps
Rotating Speed
38VMA072, 096HDS
38VMA120HDS
38VMA144HDS
0
0 / 0
0 / 0
0 / 0
1
250 / 0
250 / 0
250 / 0
2
330 / 0
330 / 0
330 / 0
3
250 / 250
250 / 250
250 / 250
4
330 / 330
330 / 330
330 / 330
5
410 / 410
410 / 410
410 / 410
6
460 / 460
460 / 460
460 / 460
7
530 / 530
530 / 530
530 / 530
8
580 / 580
580 / 580
580 / 580
9
660 / 660
660 / 660
660 / 660
10
710 / 710
710 / 710
710 / 710
11
760 / 760
800 / 800
800 / 800
12 (standard 0pa)
800 / 800
850 / 850
980 / 890
13 (20pa)
870 / 870
870 / 870
980 / 890
14 (40pa)
980 / 890
980 / 890
980 / 890
15 (60pa)
1010 / 930
1010 / 930
1010 / 930
29
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...