GE AL24LP2VHA Ductless Heat Pump Manuals

Manuals and User Guides for GE AL24LP2VHA Ductless Heat Pump. We have 1 GE AL24LP2VHA Ductless Heat Pump manual available for free PDF download: Service Manual

GE AL24LP2VHA Service Manual

GE AL24LP2VHA Service Manual (130 pages)

Ductless Multi-Split Heat Pump

Brand: GE | Category: Heat Pump | Size: 11 MB

Table of Contents

Introduction

3
- Table of Contents
  3
- Safety & Precautions
  4
- Specifications
  5
- Outdoor Units
  5
- Highwall Indoor
  6
- Ducted Indoor
  6
- Cassette Indoor
  7
- Console Indoor
  7
- MID-Static Ducted Indoor
  7
- Cooling Operation Mode
  8
- Dry Mode (Dehumidifying Mode
  8
- Auto Mode
  8
- Functions and Control
  8
- Heat Mode
  9
- Indoor Fan Control
  9
- Cold Air-Proof Operation
  9
- Timing
  9
- Indoor System Mode Conflict
  9
- Antifreezing Protection
  10
- Four-Way Valve Control
  10
- The Control of the Outdoor Unit Expansion Valve
  10
- The Outdoor Fan Control When in Cooling or Dehumidifying Mode
  10
- The Outdoor Fan Control (Exchange Fan
  10
- When the Compressor First Starts
  10
- High Load Protection Control
  10
- Low Load Protection Control
  10
- Abnormality Confirmation Approaches
  10
- Over-Temperature Heat Mode Indoor Coil
  11
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13
- Component Overview
  14
- Components
  14
- Inverter Power Module (IPM
  15
- Service Monitor Board (SMB
  15
- Pcb
  16
- Power Filter Board (PFB
  17
- Cooling Mode Sequence of Operation
  18
- Operations
  18
- Heating Mode Sequence of Operation
  20
- Defrost Cycle Sequence of Operation
  22
- 4-Way Valve Heating Control
  23
- Compressor Sump Heater
  23
- Electronic Expansion Valve (EEV) Control
  23
- Base Pan Heater Control Logic
  24
- Defrost Control
  24
- Discharge Sensor Protection
  24
- Troubleshooting the Base Pan Heater Error
  24
- High Current Protection
  25
- High Pressure Protection in Cooling
  25
- High Pressure Protection in Heating
  25
- Low Pressure Protection
  26
- Oil Return Cycle
  27
- Outdoor Fan Motor
  28
- Temperature Sensor
  28
- Testing
  28
- 4-Way Valve
  29
- Electronic Expansion Valve (EEV
  29
- Variable Speed Compressor
  30
- Wiring Error Check
  30
- Wiring Diagrams
  31
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37
- Component Overview
  38
- Components
  38
- Indoor Wall Mount Unit Circuit Board
  39
- Accessing Components/Removing Cover
  41
- Testing
  41
- Indoor Fan Motor Voltage Check
  42
- Replacing the Blower Motor
  42
- Testing Communication Circuit
  44
- Testing Louver Motors
  44
- Testing Temperature Sensors
  44
- Wiring Diagram
  45
- Error Codes
  46
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47
- Component Overview
  48
- Components
  48
- Cassette Unit Indoor Circuit Board
  50
- Accessing the Blower Motor and Condensate Pump
  51
- Removing Condensate Pump
  51
- Removing Fan Motor
  51
- Testing
  51
- Indoor Fan Motor Test Procedure
  52
- Testing Temperature Sensors
  52
- Testing Communication Circuit
  53
- Testing Louver Motors
  53
- Test Condensate Pump and Associated Float Switch
  54
- Wiring Diagram & DIP Switch Settings
  55
- Error Codes
  56
Al24Lp2Vha

57
- Component Overview
  58
- Components
  58
- Cassette Unit Indoor Circuit Board
  60
- Accessing the Blower Motor and Condensate Pump
  61
- Removing Condensate Pump
  61
- Removing Fan Motor
  61
- Testing
  61
- Indoor Fan Motor Test Procedure
  62
- Testing Temperature Sensors
  62
- Testing Communication Circuit
  63
- Testing Louver Motors
  63
- Test Condensate Pump and Float Switch
  64
- Wiring Diagram
  65
- DIP Switch Settings
  66
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69
- Error Codes
  69
- Component Overview
  70
- Components
  70
- Indoor Unit Circuit Board
  71
- Ductwork/Grilles
  73
- Test Condensate Pump and Float Switch
  74
- Testing
  74
- Testing Communication Circuit
  74
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79
- Testing Temperature Sensors
  85
- Indoor Fan Motor Voltage Check
  86
- Static Pressure Charts
  87
- Board Replacement
  88
- Removing Fan Motor
  88
- Removing the Condensate Pump
  88
- Replacing Wifi Module
  89
- Wiring Diagram
  90
- DIP Switch Settings
  91
- Error Codes
  92
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93
- Component Overview
  94
- Components
  94
- Indoor Circuit Board
  95
- Board Replacement
  96
- Control Box Removal
  96
- Front Cover Removal
  96
- Removing the Filter Cover & Filter
  96
- Testing
  96
- Lower Damper Assembly Removal
  97
- Replace Fan Motor
  97
- Upper Louver Removal
  97
- Indoor Fan Motor Test Procedure
  98
- Testing Louver Motors
  99
- Testing Temperature Sensors
  99
- Replacing Wifi Module
  100
- Testing Communication Circuit
  100
- Wiring Diagram/Dip Switch Settings
  101
Table of Contents

103
- Auto Restart
  105
- Enhanced Defrost
  105
- Forced Defrost
  105
- Indoor Temperature Display (Highwall Only
  105
- Special Functions
  105
- Temperature Compensation
  106
- Matching Tables
  108
- Resistance Chart / Sensor Definitions
  109
- Eev
  110
- Louver Motors
  110
- Resistance Values
  110
- 4-Way Valve
  111
- Basepan Heater
  111
- Component Ratings
  111
- Fan Motors
  111
- Refrigeration Diagrams
  112
- Master Error Code Chart
  115
- Communication Error Code
  119
- Outdoor Unit Error Codes
  119
- Pressure-Related Error Codes
  119
- Error Code Related to the PCB
  120
- Error Codes Caused by Abnormal Refrigerant Circuit Conditions
  120
- Error Codes Related to the IPM
  120
- Outdoor Error Code Related to Indoor Unit
  120
- Error Codes Related to Compressor, Outdoor Fan & 4-Way Valve
  121
- Flow Charts
  122
- Outdoor EEPROM Malfunction
  122
- Outdoor IPM over Current or Short Circuit
  122
- Communication Abnormal between PCB and IPM
  123
- DC Voltage or AC Voltage High
  123
- DC Fan Motor Fault
  124
- Discharge Temperature too High Protection
  124
- Communication Abnormal between Indoor Unit and Outdoor Unit
  125
- Discharging Temp. Sensor Td Abnormal
  125
- Outdoor Ambient Temp. Sensor Ta Abnormal
  125
- Outdoor Defrosting Temp. Sensor te Abnormal
  125
- Suction Temp.sensor Ts Abnormal
  125
- 4-Way Valve Reversing Failure
  126
- Lack of Refrigerant or Discharging Pipe Blocked
  126
- Compressor Motor Desynchronizing
  127
- Compressor Startup Failure
  127
- Input Overcurrent of the Drive Module
  127
- Open High Pressure Switch
  128
- Open Low Pressure Switch
  128
- High Pressure Detected in System
  129
- Low Pressure Detected in System
  129

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