Carrier 38MGRQ30D 3 Series Zone Heat Pump Manuals

Manuals and User Guides for Carrier 38MGRQ30D 3 Series Zone Heat Pump. We have 2 Carrier 38MGRQ30D 3 Series Zone Heat Pump manuals available for free PDF download: Service Manual

Carrier 38MGRQ30D 3 Series Service Manual

Carrier 38MGRQ30D 3 Series Service Manual (103 pages)

Multi-zone Outdoor Unit Ductless System, Sizes 18, 24, 30, 36, 48

Brand: Carrier | Category: Air Conditioner | Size: 21 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Introduction
1
Unit Sizes
2
Model / Serial Number Nomenclatures
2
Specifications
3
Dimensions
4
- Size 24K
  5
- Size 30K
  5
- Size 36K
  6
- Size 48K
  7
- Clearances for Multiple Units
  8
Clearances
8
Electrical Data
9
Wiring
9
- Size 18K 2 Zone
  10
- Size 24K 3 Zone
  10
Connection Diagrams
10
- Size 30K 4 Zone
  11
- Size 36K 4 Zone
  11
- Size 48K 5 Zone
  12
Automatic Wiring/Piping Correction
13
Size 18K
14
Wiring Diagrams
14
- 36K - 4 Zone Max
  19
- Wiring Diagram 48K - 5 Zone Max
  20
- 48K - 5 Zone Max
  21
Refrigeration Cycle Diagrams
22
Refrigerant Lines
24
- System Vacuum and Charge
  25
- Using Vacuum Pump
  25
- Deep Vacuum Method
  25
System Evacuation and Charging
25
Electronic Function
26
- Low Outdoor Ambient Temperature Protection
  27
- Controls and Functions
  27
- Outdoor Unit Anti-Freezing Protection
  27
- Oil Return
  27
- High Condenser Coil Temperature Protection
  27
- Heating Mode
  28
- Defrosting Control
  28
- Defrosting Conditions
  28
- Defrosting Actions
  28
- End Defrosting Action
  29
- Outdoor Fan Control
  29
- Cooling Mode
  29
- Electronic Expansion Valve (EXV) Control
  29
- Four-Way Valve Control
  30
- Diagnostic Guides
  31
- Outdoor Unit Digital Display
  31
Troubleshooting
31
Outdoor Unit Point Function
32
Outdoor Unit Digital Display
32
Appendices
64
- Unit C Discharge Temperature Sensor
  65
- Compressor Check
  66
- Measure the Resistance
  66
- IPM Continuity Check
  67
- AC Fan Motor
  67
- Resistance Value
  67
- 4-Way Valve
  68
- Resistance to EXV Coil
  69
- EXV Check
  69
- Disconnect the Connectors
  69
Disassembly Instructions Size 18
72
Disassembly Instructions Size 24
80
Disassembly Instructions Size 30
89
Disassembly Instructions Sizes 36 and 48
96

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Carrier 38MGRQ30D 3 Series Service Manual

Carrier 38MGRQ30D 3 Series Service Manual (70 pages)

Brand: Carrier | Category: Heat Pump | Size: 5 MB

Table of Contents

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