User Manuals: LG Therma V ZHBW126A0 Heat Pump

Manuals and User Guides for LG Therma V ZHBW126A0 Heat Pump. We have 1 LG Therma V ZHBW126A0 Heat Pump manual available for free PDF download: Service Manual

LG Therma V ZHBW126A0 Service Manual

LG Therma V ZHBW126A0 Service Manual (116 pages)

AIR-TO-WATER HEAT PUMP

Brand: LG | Category: Heat Pump | Size: 22.98 MB

Table of Contents

Table of Contents
2
Safety Precautions
3
Safety Precautions in Repair
3
General Information
13
Model Information
14
- Model Number Nomenclature
  14
- Model Name and Related Information
  15
- Specification
  16
- External Apprearance
  19
- Cycle Compartment
  20
- Description
  20
- Zhbw056A0 / Zhbw076A0 / Zhbw096A0
  20
- Zhbw126A0 / Zhbw146A0 / Zhbw166A0
  21
- Zhbw128A0 / Zhbw148A0 / Zhbw168A0
  22
Part 2 : Features & Controls
23
- List of Function
  24
  - Basic Functions of Unit
    24
  - Water Side
    24
  - Refrigerant Side
    25
  - Accessory Compatibility List
    25
  - Summarized Features
    26
  - Emergency Control
    26
  - Remote Controller
    26
  - Controller Configuration
    26
- Feature & Controls
  26
  - Lock Setting – All, On/Off, Mode, DHW Lock
    27
  - Timer Entrance and Setting Method
    28
  - Simple Timer
    29
  - Turn-On Reservation
    30
  - Turn-Off Reservation
    31
  - Schedule Setting
    32
  - Daily Schedule
    32
  - Schedules & Edit
    32
  - Schedules & Edit – Add Schedule
    32
  - Exception Day
    33
  - DHW Tank Heating & DHW Tank Heater Operation
    33
  - Low Noise Mode Operation
    33
  - Screed Drying
    33
  - System Set-Up
    34
  - DIP Switch Setting
    34
  - DIP Switch Information
    35
  - Option Switch 1
    36
  - Option Switch 3
    36
  - Emergency Operation
    37
  - Definition of Terms
    37
  - Objective of Introducing 'Trouble'
    37
  - Classified Trouble
    37
  - Service Setting
    38
  - How to Enter Service Setting
    38
  - Duplicated Trouble
    38
  - Service Contact
    39
  - RMC Version Lnformation
    41
  - Open Source License
    42
  - Installer Setting
    42
  - How to Enter Installer Setting Mode
    42
  - Common Setting
    46
  - 3 Minutes Delay
    46
  - Select Temperature Sensor
    46
  - Dry Contact Mode
    46
  - Temperature Range Setting
    47
  - Air Cooling Set Temp.
    47
  - Water Cooling Set Temp
    47
  - Water Condensation on the Floor
    47
  - Tank Disinfection Setting 1, 2
    48
  - Vales of Tank Disinfection Setting
    48
  - DHW Heating Should be Enable
    48
  - Temperature Control Parameter Setting and Etc
    50
  - Heater on Temperature
    50
  - Water Supply off Temp. During Cooling
    50
  - TH On/Off Variable, Heating Air
    50
  - Pump Setting in Heating
    51
  - Pump Setting. in Cooling
    51
  - Forced Operation
    51
  - CN_CC Setting
    51
  - Heater Priority
    52
  - DHW Time Setting
    52
  - Modbus Address
    53
  - Cn_Ext
    53
  - Add Zone
    53
  - Use External Pump
    53
- Test Run
  54
  - Check before Test Run
    54
  - Test Run Flow Chart
    54
Part 3 Basic Control
55
- Compressor Control
  56
- Eev
  56
- Normal Operation
  56
Part 4 Replacement
57
Part 5 : Trouble Shooting
61
- Flow Switch
  63
- Checking Key Components of Indoor Unit
  63
- Water Pump
  64
- Electric Heater
  65
- Remote Controller
  66
- Compressor
  67
- Fan Motor
  68
- Self-Diagnosis Feature
  69
- Concept of 'Classified Trouble
  69
- Error Indicator
  70
  - Main PCB
    70
  - Inverter PCB
    70
- Error Code List
  71
  - Main PCB Assembly(Heater)
    71
  - Notice of Error Code
    71
  - Precaution in Service or Check
    71
  - Main PCB Assembly(Inverter)
    72
- Trouble Shooting Guide
  73
  - Check Flow Chart
    73
  - Check Point
    73
  - Error Diagnosis and Countermeasure Flow Chart
    75
  - IPM Check
    94
  - CT Sensing Check
    95
  - Connector Check
    95
  - WVC Connector Check
    95
  - CT Sensing Check Point
    95
  - Inspecting Inverter Compressor Discharge Sensor
    97
  - Insufﬁcient Insertion of Wires
    101
  - Damage of Wire Coating
    101
  - Inverter PCB LED
    101
  - Judgment Method of R,S,T Phase Loss
    104
  - Judgment Method of Open and Reverse Phase of R,S,T
    104
  - Operation with Replacement of R and S Phases Only
    104
  - Is EEPROM Insertion Normal?
    105

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