Carrier 38VMA144HDS6-1 VRF Outdoor Unit Manuals

Manuals and User Guides for Carrier 38VMA144HDS6-1 VRF Outdoor Unit. We have 1 Carrier 38VMA144HDS6-1 VRF Outdoor Unit manual available for free PDF download: Service Manual

Carrier 38VMA144HDS6-1 Service Manual

Carrier 38VMA144HDS6-1 Service Manual (112 pages)

Outdoor Unit for Variable Refrigerant Flow (VRF) Heat Pump System

Brand: Carrier | Category: Air Conditioner | Size: 11.06 MB

Table of Contents

Table of Contents
2
General Information
4
Refrigerant Circuit
8
- Refrigerant Circuit Diagram
  8
- Functional Parts Layout
  11
- Refrigerant Flow for each Operational Mode
  13
  - 38Vma072, 096, 120Hds
    13
  - 38Vma144Hds
    17
Function and Control
21
- Operation Mode
  21
- Basic Control
  22
  - Normal Operation
    22
  - Capacity Calculation
    22
  - Compressor Control
    26
  - Compressor Operating Priority
    26
- Electronic Expansion Valve Control
  28
  - Cooling Electronic Expansion Valve Control
    28
  - Heating Electronic Expansion Valve Control
    28
- Fan Control
  29
  - Cooling Fan Control
    30
  - Fan Control Process
    30
  - Heating Fan Control
    30
Special Control
31
- Startup Control
  31
- Oil Return Operation
  31
- Overload Control
  33
- Stopping Operation
  33
Protection Control
35
Field Settings
38
- Instruction on Advanced Operation Mode
  39
- How to Set Advanced Mode Codes
  39
Troubleshooting
42
Appendix
77
Bill of Material (BOM)
92
- Vma072Hds5-1, 38Vma096Hds5-1, 38Vma120Hds5-1
  92
- Vma144Hds5-1
  97
- Vma072Hds6-1, 38Vma096Hds6-1, 38Vma120Hds6-1
  103
- Vma144Hds6-1
  108

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