LG ARWN192DA2 Manual do Utilizador descarregar pdf (Página 73)

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Installation Manual 73

ENGLISH

Cooling tower applied method

[Open type cooling tower + Second heat exchanger]

Heat exchanger is installed between the cooling tower

and outside unit system piping, and the temperature

difference between 1st side and 2nd side is main-

tained constantly

[Closed type cooling tower]

Heat source water of the cooling tower is supplied

directly to the outside unit system.

Open type

cooling tower

Closed type

cooling tower

side

Heat exchange

When the open type cooling tower is used and the water supply is directly connected to the 2nd heat exchanger, product

damage by alien particle cannot be repaired for free.

- Always use the 2nd heat exchanger.

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 79

AIR CONDITIONER 1
TABLE OF CONTENTS 2
Safety Precautions 3
6 Outside Unit 6
Installation Process 7
Outside units Information 8
Installation Manual 9 9
■ Heat Pump 9
Select the Best Location 10
Installation space 11
Two Layer Installation 12
Water control 13
[Reference] 14
40 or less 15
Rope supporter 15
Sub line 15
Installation 16
Preparation of Piping 17
R=0.4~0.8 18
Installation Manual 19 19
HEAT INSULATION 19
CLOSE OPEN 20
Ball Valve(Gas Pipe) 20
Ball Valve(Liquid Pipe) 20
Connection of Outside units 21
22 Outside Unit 22
3 Outside Units 22
Installation of water pipe 23
Water pipe 24
Water pipe inlet 24
Water pipe outlet 24
Device protection unit 25
Installation of flow switch 26
Flow switch work 26
Refrigerant piping system 27
Ex) 5 indoor units connected 28
Outside unit capacity 29
L Below 150m(492ft) 30
Below H 50m(164ft) 30
Below 15m(49ft) 30
Installation Manual 31 31
Ex) 6 indoor units connected 31
32 Outside Unit 32
6 Indoor Units connected 32
Y/Header branch method 33
34 Outside Unit 34
Installation Manual 35 35
Ex) 5 Indoor Units connected 35
Indoor unit connection 36
Total amount(kg) 38
Installation Manual 39 39
40 Outside Unit 40
Branch pipe Fitting 41
Insulate the header using 42
Penetrations 43
Y branch pipe 44
Installation Manual 45 45
[unit:mm(inch)] 45
Leakage test and vacuum 46
2Units, 3Units 47
48 Outside Unit 48
Electrical Wiring 48
Round pressure terminal 49
Power wire 49
Front Panel 50
Transmission and Power Lines 51
Pull Box(Installer option) 53
54 Outside Unit 54
2 Outside Units 54
Installation Manual 55 55
56 Outside Unit 56
[BUS type] 56
[STAR type] 56
Conduit 57
Dip switch setting 58
Installation Manual 59 59
■ Master Outside Setting 59
60 Outside Unit 60
Indoor unit auto addressing 61
Group Number setting 62
Mode Change 63
Outside Unit 63
: Developing 63
Test Run 64
Precaution before test run 65
66 Outside Unit 66
: Check mark) 67
Self-Diagnosis Function 68
Installation Manual 69 69
70 Outside Unit 70
Installation Manual 71 71
72 Outside Unit 72
Cooling tower applied method 73
Caution For Refrigerant Leak 74
Water Solenoid Valve Control 76
Installation Manual 77 77
78 Outside Unit 78
888-865-3026 79
1-888-LG-Canada 79

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