Table Of Contents - LG ARUV140LTS4 Installation Manual

TABLE OF CONTENTS

2
TIPS FOR SAVING EN-
ERGY
3
IMPORTANT SAFETY IN-
STRUCTIONS
8
INSTALLATION
PROCESS
9
OUTDOOR UNITS IN-
FORMATION
16
ENVIRONMENT-
FRIENDLY ALTERNATIVE
REFRIGERANT R410A
17
SELECT THE BEST LO-
CATION
18
INSTALLATION SPACE
18
Individual Installation
20
LIFTING METHOD
21
INSTALLATION
21
The location of the Anchor bolts
22
Foundation for Installation
23
Preparation of Piping
26
Plumbing materials and storage meth-
ods
28
REFRIGERANT PIPING
INSTALLATION
28
Precautions on Pipe connection / Valve
operation
29
PIPE CONNECTIONS BE-
TWEEN INDOOR AND
OUTDOOR UNIT
29
Preparation Work
30
Pipe Drawing Out during Single / Series
connection
TABLE OF CONTENTS
32
Refrigerant piping system
45
Refrigerant charging
46 Distribution Method
47 Branch pipe Fitting
51
Leak Test and Vacuum drying
53
Vacuum Mode
54
Thermal insulation of refrigerant piping
55
ELECTRICAL WIRING
55
Caution
57
Control box and connecting position of
wiring
58
Communication and Power Cables
59
Wiring of main power supply and
equipment capacity
60
Field Wiring
66
Checking the setting of outdoor units
67
Automatic Addressing
70
Group Number setting
71
Cool & Heat selector
72
Static pressure compensation mode
73
Night Low Noise Function
74 Overall defrost mode
75 Setting the ODU address
76
Snow removal & rapid defrost
77
Target pressure adjusting
78
Self-Diagnosis Function
89
CAUTION FOR REFRIG-
ERANT LEAK
89
Introduction
89
Checking procedure of limiting concen-
tration
91
INSTALLATION GUIDE
AT THE SEASIDE
7