Carrier 38MARBQ18AA3 Heat Pump Manuals

Manuals and User Guides for Carrier 38MARBQ18AA3 Heat Pump. We have 1 Carrier 38MARBQ18AA3 Heat Pump manual available for free PDF download: Service Manual

Carrier 38MARBQ18AA3 Service Manual

Carrier 38MARBQ18AA3 Service Manual (117 pages)

Outdoor Unit Single Zone Ductless System

Brand: Carrier | Category: Heat Pump | Size: 35 MB

Table of Contents

Table of Contents
1
Introduction
1
Unit Sizes
2
Model / Serial Number Nomenclatures
2
Specifications - Heat Pump
3
Dimensions and Weights
4
Clearances for Multiple Units
7
Clearances
7
Recommended Connection Method for Power and Communication Wiring
8
Electrical Data
8
Wiring
8
Connection Diagrams
9
Wiring Diagram Size 12K (115V)
10
Wiring Diagrams
10
Fan and Motor Specifications
14
Refrigeration Cycle Diagrams
15
Refrigerant Lines
22
- System Vacuum and Charge
  23
- Using Vacuum Pump
  23
- Deep Vacuum Method
  23
System Evacuation and Charging
23
- Main Protection
  24
- Outdoor Fan Running Rules
  24
- Inverter Module Protection
  24
Electronic Functions
24
- Evaporator Temperature Protection
  25
- Indoor Fan Running Rules
  25
- Compressor Temperature Protection
  25
- DEFROST Mode
  27
- Forced DEFROSTING Mode
  27
- Evaporator Coil Temperature Protection
  28
- DRYING Mode
  28
- FORCED OPERATION Function
  28
- Enquiry Information
  29
Point Check Function
29
- Electrolytic Capacitors
  30
- Discharge Position
  30
- Safety
  30
Troubleshooting
30
Indoor Unit Diagnostic Guides
31
- Outdoor Unit Error Display
  32
- Sizes 12 (115V)
  32
Diagnosis and Solution
32
Disassembly Instructions
65
- PCB Board 3
  92
- Four Way Valve (for Heat Pump Models)
  110
- Compressor
  111
- Safety Caution
  113
- Temperature Sensor Resistance Value Table for T1, T2, T3, T4
  114
- Temperature Sensor Resistance Value Table for T5
  115

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