LG ARUN060GSS4.EWGBLUS Manual de usuario Pagina 13
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Total pipe length = A+B+C+D+a+b+c+d+e ≤ 300m(984ft)
L
Longest pipe length Equivalent pipe length(*)
A+B+C+D+e ≤ 150m(492ft) A+B+C+D+e ≤ 175m(574ft)
l
Longest pipe length after 1st branch
B+C+D+e ≤ 40m(131ft)
H
Difference in height (Outdoor Unit ÷ Indoor Unit)
H ≤ 50m(164ft)(40m(131ft) : Outdoor Unit is lower than Indoor Units)
h
Difference in height (Indoor Unit ÷ Indoor Unit)
h ≤ 15m(49ft)
• * : Assume equivalent pipe length of Y branch to be 0.5m(1.6ft),
that of header to be 1m(3,3ft), calculation purpose
Refrigerant pipe diameter from branch to branch (B,C,D)
Downward Indoor
Unit total capacity
[kW(Btu/h)]
Liquid pipe [mm(inch)] Gas pipe [mm(inch)]
≤ 5.6(19,100)
Ø6.35(1/4) Ø12.7(1/2)
< 16.0(54,600) Ø9.52(3/8) Ø15.88(5/8)
≤ 22.4(76,400)
Ø9.52(3/8) Ø19.05(3/4)
< 36.4(124,200) Ø9.52(3/8) Ø22.2(7/8)
WARNING
When the any one (or both ) of below conditions are satisfied, the
diameter of main pipe (A) must be increased according to below
table.
- The equivalent length between outdoor unit and the farthest in-
door unit is 90m or more
(Liquid and Gas pipes are increased)
- The level difference (Outdoor unit ÷ Indoor unit) is 50m or more
(Only liquid pipe is increased)
!
Refrigerant pipe diameter from outdoor unit to first branch. (A)
Outdoor unit capacity
[Ton]
Liquid pipe
[mm(inch)]
Gas pipe
[mm(inch)]
2, 3, 4 Ø9.52(3/8) Ø15.88(5/8)
4.4, 5 Ø9.52(3/8) Ø19.05(3/4)
Y branch method
Example : 5 Indoor Units
connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Indoor Units
L150 (492)
H50 (164)
l 40 (131)
[Unit:m(ft)]
h15(49)
Refrigerant piping system
• * : Assume equivalent pipe length of Y branch to be 0.5m(1.6ft),
that of header to be 1m(3.3ft), calculation purpose
• Indoor Unit should be installed at lower position than the header.
WARNING
Pipe length after header branching (a~f)
It is recommended that difference in length of the pipes con-
nected to the Indoor Units is minimized. Performance difference
between Indoor Units may occur.
!
Total pipe length = A+a+b+c+d+e+f ≤ 300m(984ft)
L
Longest pipe length Equivalent pipe length(*)
A+f ≤ 150m(492ft) A+f ≤ 175m(574ft)
l
Longest pipe length after 1st branch
f ≤ 40m(131ft)
H
Difference in height (Outdoor Unit ÷ Indoor Unit)
H ≤ 50m(164ft)(40m(131ft) : Outdoor Unit is lower than Indoor Units)
h
Difference in height (Indoor Unit ÷ Indoor Unit)
h ≤ 15m(49ft)
Header Method
Example : 6 Indoor Units
connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch
Ⓒ : Indoor Units
Ⓓ : Sealed piping
L150 (492)
H50 (164)
40 (131)
h15(49)
[Unit:m(ft)]
Combination of Y
branch/header Method
Example : 5 Indoor Units
connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Header
Ⓕ : Sealed piping
L150 (492)
40 (131)
[Unit:m(ft)]
h15(49)
H50 (164)
Branch pipe can not be used after header
Total pipe length = A+B+C+a+b+c+d+e ≤ 300m(984ft)
L
Longest pipe length Equivalent pipe length(*)
A+B+b ≤ 150m(492ft) A+B+b ≤ 175m(574ft)
l
Longest pipe length after 1st branch
B+b ≤ 40m(131ft)
H
Difference in height (Outdoor Unit ÷ Indoor Unit)
H ≤ 50m(164ft) (40m(131ft) : Outdoor Unit is lower than Indoor Units)
h
Difference in height (Indoor Unit ÷ Indoor Unit)
h ≤ 15m(49ft)
• * : Assume equivalent pipe length of Y branch to be 0.5m(1.6ft),
that of header to be 1m(3.3ft), calculation purpose
• Indoor Unit should be installed at lower position than the header.
1,MFL67798024,영어 2017. 9. 1. 오후 3:26 페이지 13
- CONDITIONER 1
- TIPS FOR SAVING ENERGY 2
- IMPORTANT SAFETY INSTRUC 2
- TABLE OF CONTENTS 3
- ALTERNATIVE REFRIGERANT R410A 4
- Air inlet grille 5
- 3, 4, 4.4, 5 Ton 6
- Secure minimum intake area 7
- INSTALLATION 8
- Preparation of Piping 9
- Moisture 10
- PIPE CONNECTIONS BETWEEN 11
- INDOOR AND OUTDOOR UNIT 11
- [Unit:m(ft)] 13
- 500mm(1.64ft) 14
- Distribution Method 15
- Refrigerant charging 15
- Y branch pipe 16
- Leak Test and Vacuum drying 17
- Vacuum Mode 18
- ELECTRICAL WIRING 19
- Side panel 20
- Field Wiring 21
- Automatic Addressing 22
- B(D) A(C) 23
- Base Pan Heater setting 25
- Error No. of Compressor 26
- Error No 26
- Error No. of Unit 26
- CAUTION FOR REFRIGERANT LEAK 28
- Product information 29
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