LG HU Series Manuals

Manuals and User Guides for LG HU Series. We have 1 LG HU Series manual available for free PDF download: Installation Manual

LG HU Series Installation Manual

LG HU Series Installation Manual (177 pages)

AIR-TO-WATER HEAT PUMP

Brand: LG | Category: Heat Pump | Size: 33.99 MB

Table of Contents

Table of Contents
2
Table of Contents
3
Preface

5
[Chapter 1] SAFETY INSTRUCTIONS

6
[Chapter 2] INSTALLATION PART

14
[Chapter 3] GENERAL INFORMATION

15
- Model Information
  15
- Model Name and Related Information
  17
- Parts and Dimensions
  18
- Control Parts
  21
- Control Panel
  22
- Typical Installation Example
  23
- Cycle Diagram : Internal
  26
- Cycle Diagram : External
  27
- System Planning and Preparation
  28
- 0 [Chapter 4]
  29
Installation of Outdoor Unit

29
Installation of Indoor Unit

33
- Conditions Where Indoor Unit Is Installed
  33
- Transporting the Unit
  34
- Connecting Condensate Drainage
  35
- Front Panel Removal
  35
- Floor Area Requirement : Indoor Unit
  36
- Ventilation Requirements
  37
- Electrical Wiring
  40
- 0 [Chapter 6]
  43
Piping and Wiring for Outdoor Unit

43
- Refrigerant Piping
  43
- Preparation for Piping
  44
- Connecting Pipe to Indoor Unit
  45
- Connecting Pipe to Outdoor Unit
  45
- Finalizing
  48
- Leakage Test and Evacuation
  49
- Electrical Wiring
  51
- 0 [Chapter 7]
  55
Hydraulic Connection for Indoor Unit

55
- General Considerations
  55
- Connection to the Domestic Hot Water System
  57
- Connection to the Heating System
  60
- Water Charging
  62
- Water Pump Capacity
  63
- Pressure Drop
  63
- Performance Curve
  64
- Water Quality
  66
- Frost Protection
  66
- 0 [Chapter 8]
  67
Accessories Installation

67
- Before Installation
  68
- Domestic Hot Water Expansion Vessel - Integrated into the Unit
  68
- Buffer Tank - Integrated into the Unit
  69
- Thermostat
  72
- 3Rd Party Boiler
  77
- 3Rd Party Controller
  78
- Meter Interface
  79
- 80 2 Zone Controller
  80
- Central Controller
  81
- Dry Contact
  83
- External Controller - Setting up Programmable Digital Input Operation
  85
- Remote Temperature Sensor
  86
- External Pump
  88
- Wi-Fi Modem
  89
- Smart Grid
  90
- 2Way Valve
  91
- Final Check
  92
[Chapter 9] CONFIGURATION

93
- DIP Switch Setting
  93
Service Setting

99
- How to Enter Service Setting
  99
- Service Setting
  100
- Service Contact
  100
- Model Information
  101
- RMC Version Information
  102
- Open Source License
  103
Installer Setting

104
- How to Enter Installer Setting
  104
- Installer Setting
  105
- Overview Settings
  108
- Select Temperature Sensor
  111
- Use Heating Tank Heater
  112
- Mixing Circuit
  113
- Use External Pump
  114
- RMC Master/Slave
  115
- LG Therma V Configuration
  116
- Forced Operation
  117
- Pump Capacity
  118
- Pump Prerun/Overrun
  119
- Password Reset
  120
- Heating Temp. Setting
  121
- Air Heating Set Temp
  122
- Water Heating Set Temp
  123
- TH On/Off Variable, Heating Air
  124
- TH On/Off Variable, Heating Water
  125
- Pump Setting in Heating
  126
- Heater on Temperature
  127
- Screed Drying
  128
- Cooling Temp. Setting
  130
- Air Cooling Set Temp
  131
- Water Cooling Set Temp
  132
- Water Supply off Temp. During Cooling
  133
- TH On/Off Variable, Cooling Air
  135
- TH On/Off Variable, Cooling Water
  136
- Pump Setting in Cooling
  137
- Seasonal Auto Temp
  138
- DHW Set Temp
  140
- Tank Disinfection Setting 1
  141
- Tank Disinfection Setting 2
  141
- Tank Setting1
  142
- Tank Setting2
  143
- DHW Time Setting
  145
- Pump Test Run
  146
- Frost Protection Temp
  147
- Dry Contact Mode
  148
- Central Control Address
  149
- Cn_Cc
  150
- Smart Grid (SG)
  151
- Power Supply Blockage (Smart Grid)
  152
- Modbus Address
  153
- Cn_Ext
  154
- Party Boiler
  155
  - Rd Party Boiler
    155
- Meter Interface
  156
- Zone
  157
- Pump Operation Time
  159
- IDU Operation Time
  160
- Current Flow Rate
  161
- Data Logging
  162
[Chapter 10] COMMISSIONING

163
- Check List before Starting Operation
  163
- Starting Operation
  164
- Starting Operation Flow Chart
  165
- Airborne Noise Emission
  165
- Vacuum & Charge of Refrigerant
  166
- Decommissioning and Recycling
  169
- Troubleshooting
  171
- Reset of the Thermal Protection of the Electric Heater
  176

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