LG ARUB120LTE4, Installation Manual

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5
ENGLISH
TABLE OF CONTENTS
2
TIPS FOR SAVING ENERGY
2
IMPORTANT SAFETY INSTRUCTIONS
6
INSTALLATION PROCESS
6
OUTDOOR UNITS INFORMATION
6
ALTERNATIVE REFRIGERANT R410A
6
SELECT THE BEST LOCATION
8
INSTALLATION SPACE
8
Individual Installation
8
LIFTING METHOD
9
INSTALLATION
9
The location of the Anchor bolts
9 Foundation for Installation
9
Preparation of Piping
11 Plumbing materials and storage methods
11
REFRIGERANT PIPING INSTALLATION
11
Precautions on Pipe connection / Valve operation
12 Connection of Outdoor units
12
Installation procedure for HR unit
12 Installation of Outdoor Unit, HR Unit, Indoor Unit Refrigerant Pipe
12
Type of HR Unit
13 Installation of Zoning Control
13
Caution
14
PIPE CONNECTIONS BETWEEN INDOOR
AND OUTDOOR UNIT
14
Preparation Work
14 Pipe Drawing Out during Single / Series connection
15
Refrigerant piping system
19 Refrigerant charging
20
Branch pipe Fitting
21 Leak Test and Vacuum drying
22
Vacuum Mode
22 Thermal insulation of refrigerant piping
23
ELECTRICAL WIRING
23
Caution
24 Control box and connecting position of wiring
24
Communication and Power Cables
25 Wiring of main power supply and equipment capacity
25
Point for attention regarding quality of the public electric power
supply
26
Field Wiring
27 Checking the setting of outdoor units
28
HR Unit PCB
28 Switch for setup of HR Unit
29
Automatic Addressing
30 The Procedure of Automatic Addressing
30
Flow chart of auto addressing for pipe detection
31 Flow chart of manual addressing for pipe detection
31
Example of manual valve addressing (Non-Zoning setting)
31 Example of manual valve addressing (Zoning setting)
32
Example of checking valve address
32 Identification of Manual Valve ID (Address)
32
Method of checking the pipe detection result at outdoor unit
32 Setting method of Master indoor unit in zoning
32
Group Number setting
33 Static pressure compensation mode
33
Night Low Noise Function
33 Overall defrost mode
34
Setting the ODU address
34 Snow removal & rapid defrost
34
IDU capacity adjusting
34 Target pressure adjusting
34
Comfort Operation
35 Self-Diagnosis Function
37
CAUTION FOR REFRIGERANT LEAK
37
Introduction
37 Checking procedure of limiting concentration
38
INSTALLATION GUIDE AT THE SEASIDE
39 Model Designation
39
Airborne Noise Emission
be done in case of changing the indoor unit
PCB.
• Use a firm stool or ladder when cleaning or
maintaining the air conditioner.
- Be careful and avoid personal injury.
• Do not insert hands or other objects through
the air inlet or outlet while the air condi-
tioner is plugged in.
- There are sharp and moving parts that
could cause personal injury.