LG ARUN144DTE4.AWGBLUS User Manual Page 64
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64
ELECTRICAL WIRING
ENGLISH
WARNING
• Indoor Unit ground Lines are required for preventing electrical shock accident during cur-
rent leakage, Communication disorder by noise effect and motor current leakage (without
connection to pipe).
• Don't install an individual switch or electrical outlet to disconnect each of indoor unit sepa-
rately from the power supply.
• Install the main switch that can interrupt all the power sources in an integrated manner be-
cause this system consists of the equipment utilizing the multiple power sources.
• If there exists the possibility of reversed phase, lose phase, momentary blackout or the
power goes on and off while the product is operating, attach a reversed phase protection
circuit locally.
Running the product in reversed phase may break the compressor and other parts.
!
[Heat Pump]
Between Indoor and Master Outdoor unit
Slave1
Outdoor Unit
Master
Outdoor unit
Slave2
Outdoor Unit
34 34 34
Master
Outdoor Unit
SODU. B SODU. A IDU. B IDU. A CEN. B CEN. A DRY1 DRY2 GND 12V
SODU. B SODU. A IDU. B IDU. A CEN. B CEN. A DRY1 DRY2 GND 12V
SODU. B SODU. A IDU. B IDU. A CEN. B CEN. A DRY1 DRY2 GND 12V
SODU. B SODU. A IDU. B IDU. A CEN. B CEN. A DRY1 DRY2 GND 12V
• It is not the point to make ground connection.
- Make sure that terminal number of master and slave outdoor units are matched.(A-A,B-B)
- AIR CONDITIONER 1
- TIPS FOR SAVING ENERGY 2
- IMPORTANT SAFETY INSTRUCTIONS 3
- Operation 4
- Installation 5
- TABLE OF CONTENTS 7
- INSTALLATION PROCESS 8
- OUTDOOR UNITS INFORMATION 9
- Model Name : ARUN***DTE4 12
- ALTERNATIVE REFRIGERANT R410A 15
- SELECT THE BEST LOCATION 16
- INSTALLATION SPACE 17
- Locking points for 19
- Forklift Carrying Guide 19
- Forklift Carrying Hole 19
- INSTALLATION 20
- Foundation for Installation 21
- Preparation of Piping 22
- Opening shutoff valve 23
- Closing shutoff valve 24
- Moisture 25
- Nitrogen substitution method 26
- Gas pipe 27
- Service Port 27
- Liquid pipe 27
- Refrigerant 27
- Charging Port 27
- OUTDOOR UNIT 28
- Liquid pipe Gas pipe 30
- Refrigerant piping system 31
- Header Method 34
- H 110m(361ft) 35
- L 200m(656ft) 35
- 40m(131ft) 35
- ODU Capacity 35
- Master ≥ Slave1 ≥ Slave2 35
- Outdoor unit Connection 39
- Indoor Unit Connection 39
- The amount of Refrigerant 43
- Refrigerant charging 44
- Distribution Method 45
- Branch pipe Fitting 46
- Pinched pipe 47
- Horizontal plane 47
- Cap pipe 47
- Insulator for cap pipe 47
- Y branch pipe 48
- Leak Test and Vacuum drying 50
- Liquid side 51
- Gas side 51
- Vacuum Mode 52
- (3.28ft) 53
- ELECTRICAL WIRING 54
- Round pressure terminal 55
- Power cable 55
- Front Panel 56
- Field Wiring(3Ø, 208/230V) 59
- 34 34 34 60
- [Indoor Units] 61
- (Main Switch) 61
- Outdoor unit 62
- Field Wiring(3Ø, 460V) 65
- Outdoor Unit 66
- [Heat Pump] 68
- Outdoor Uni 68
- Automatic Addressing 75
- Group Number setting 78
- TEST RUN 79
- Night Low Noise Function 81
- Overall defrost mode 82
- Setting the ODU address 83
- Target pressure adjusting 85
- Error No. of Compressor 86
- Error No 86
- Error No. of Unit 86
- Introduction 89
- Indoor unit 90
- Smallest 90
- Sea wind 91
- Windbreak 91
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