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MULTI V MINI ARUN036GS2
LG MULTI V MINI ARUN036GS2 User Manual
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Please r
ead this installation manual completely befor
e installing the product.
Installation work must be performed in acc
ordanc
e with the national wiring
standar
ds by authoriz
ed personnel only
.
Please r
etain this installation manual for future r
eferenc
e af
ter r
eading it
thor
oughly
.
INST
ALL
A
TION MANUAL
AIR
C
ONDITIONER
P/NO : MFL46912318
Copyright © 2010 - 2018 LG Electronics Inc.
All Rights Reserved.
ENGLISH
FRANCAIS
ESP
AÑOL
2
Table of Contents
Safety Precautions
2
When Wiring
2
When Transporting
2
Special Warnings
2
Table of Contents
3
Installation
4
Safety Precautions
4
Operation
5
Installation Process
8
Connectable Indoor Unit
9
Power Supply: Outdoor Unit (1Ø, 208/230V, 60Hz)
9
Outdoor Units Information
9
Environment-Friendly Alternative Refrigerant R410A
10
Transporting the Unit
10
Before Installation
10
Select the Best Location
11
In Case of Obstacles on the Suction Side
12
Stand Alone Installation
12
Collective Installation
12
Installation Space
12
In Case of Obstacles on the Discharge Side
13
In Case of Obstacles on the Suction and the Discharge Side
13
Collective / Continuous Installation for Roof Top Use
15
One Row of Stand Alone Installation
15
Rows of Collective Installation
15
Seasonal Wind and Cautions in Winter
15
Foundation for Installation
16
Foundation Bolt Executing Method
16
Preparation of Piping
17
Cut the Pipes and the Cable
17
Burrs Removal
17
Flaring Work
17
Opening Shutoff Valve
18
Flare Nut Tightening Torque
18
Precautions When Connecting Pipes
18
Flare Shape
18
Closing Shutoff Valve
19
Heat Insulation
19
Tightening Torque
19
Precautions in High Humidity Circumstance
19
Refrigerant Piping
19
Connecting the Pipes to the Outdoor Unit
20
Preventing Foreign Objects from Entering
20
Possible Direction for Field Piping
20
Cautions for Handling Service Valve
21
How to Use the Shut-Off Valve
22
Opening the Valve
22
Closing the Valve
22
Sealed Piping
23
Selection of Refrigerant Piping
25
Total Pipe Length
26
Allowable Length/Height Difference of Refrigerant Piping
26
Branch Method
26
Combination of y Branch/Header Method
28
Refrigerant Pipe Diameter from Branch to Branch
28
The Amount of Refrigerant
29
Correction Factor of Indoor Unit
29
Additional Charge Amount R (Lbs)
29
Regulation for Refrigerant Leakage
30
Selection of Air Conditioning System
30
Change Indoor Unit Type
30
Adoption of Ventilation System
30
Distribution Method
31
Line Distribution
31
Vertical Distribution
31
The Others
31
Header
32
Y Branch
32
Branch Pipe Fitting
32
Selection of y Branch and Header
34
Thermal Insulation of Refrigerant Piping
36
Penetrations
36
Inner Wall (Concealed)
36
Outer Wall
36
Leak Test
37
Vacuum Drying
37
Vacuum
38
Vacuum Pump
38
Electrical Wiring
38
Refrigerant Charging
39
Electrical Wiring
40
Caution
40
Separation of Communication and Power Lines
42
Simple Central Control Cable
42
Remote Control Cable
42
Communication and Power Lines
42
Wiring of Main Power Supply and Equipment Capacity
43
Precautions When Laying Power and Ground Wiring
44
How to Connect Wiring
44
Connection Method of the Connecting Cable (Example)
45
Between Indoor and Outdoor Unit (U3 Chassis, 2 Fan Model)
46
60Hz
46
Example Connection of Communication Cable
46
Location of DIP Switch
48
Configuration of DIP Switch
48
Main PCB
48
Verification of Outdoor Unit Configuration
48
Automatic Addressing
49
The Procedure of Automatic Addressing
50
How to Connect Central Controller
51
How to Set Mode Without Cool/Heat Selector
52
Using Cool/Heat Selector Installation and Connection
52
Without Cool/Heat Selector Installation and Connection
52
Cool/Heat Selector Installation and Connection
52
Checks before Test Run
53
Test Run Procedure
53
Test Run
53
Sensor Checking Function (U3 Chassis, 2Fan Model)
54
Sensor Check Error Code Display
55
Displaying Error Content
55
Displaying Outdoor Unit Error
55
Indoor Unit Error Display
55
Refrigerant Auto Charging Function
56
Error Contents about Auto Refrigerant Charging Function
57
Refrigerant Checking Function
58
How to Cope with Result of Refrigerant Checking
59
Excess of Refrigerant
59
Scarcity of Refrigerant
59
Reset Power after Changing DIP S/W
60
Night Silent Operation
60
Setting RPM
60
U3 Chassis (2 Fan Model)
60
Error Display
61
Error Indicator
61
Self-Diagnosis Function
61
Limiting Concentration
63
Checking Procedure of Limiting Concentration
63
Calculate Minimum Room Capacity
63
Caution for Refrigerant Leak
63
Calculate Refrigerant Concentration
64
In Case the Concentration Exceeds the Limit
64
Countermeasure 1
64
Countermeasure 2
64
Selecting the Location(Outdoor Unit)
65
Installation Guide at the Seaside
65
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LG MULTI V MINI ARUN036GS2 Specifications
General
Brand
LG
Model
MULTI V MINI ARUN036GS2
Category
Air Conditioner
Language
English
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