LG MULTI V 5 ARUN220LTE5 - Pipe Drawing out During Single Series Connection; Refrigerant Piping System

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ENGLISH
Liquid pipe
Gas pipe
Gas pipe
Liquid pipe
Remove leakage prevention cap
• Remove the leakage prevention cap attached to the outdoor unit
service valve before pipe work.
• Proceed the leakage prevention cap removal as follows:
- Verify whether all the pipes are locked.
- Extract remaining refrigerant or air inside using the service port.
- Remove the leakage prevention cap
Service Port
Liquid pipe
Gas pipe
Leakage
Prevention Cap
Method of drawing out pipes on the bottom side
- Drawing out common pipe through side panel
Remove Knock Out for the pipes
Liquid pipe
Gas pipe
Combination of Y
branch/header Method
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Header
Ⓕ : Sealed piping
l 40 m [131 ft] (90m [295 ft])
h 40m(131ft)
H 110 m [361 ft]
L 150 m [492 ft] (200 m [656 ft])
h * : See Table 4
Header Method
Ⓐ : Outdoor Unit
Ⓒ : Indoor Units
Ⓓ : Sealed piping
Ⓔ : Header
l 40 m [131 ft]
h 40 m [131 ft]
H 110 m [361 ft]
L 200 m [656 ft]
D
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Indoor Units
Ⓓ : Downward Indoor Unit
Ⓔ : Connection branch
pipe between Outdoor
units: ARCNN41
Ⓕ : Connection branch
pipe between Outdoor
units : ARCNN31
Ⓖ : Connection branch
pipe between Outdoor
units : ARCNN21
Y branch method
Slave3
Slave2
Slave1
Master
Indoor
Unit
l 40 m [131 ft] (90m [295 ft])
H 110 m [361 ft]
L 150 m [492 ft] (200 m [656 ft])
h 40 m (131 ft)
10m or
less
ODU Capacity
Master ≥ Slave 1 ≥Slave 2 ≥Slave 3
F
E
G
C
C
C
C
C
h * : See Table 4
Series Outdoor Units (2 Units ~ 4 Units)
Combination of Y branch/
header Method
Ⓐ : Outdoor Unit
Ⓑ : 1st branch(Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe
between Outdoor
units : ARCNN41
Ⓕ : Connection branch pipe
between Outdoor
units : ARCNN31
Ⓖ : Connection branch pipe
between Outdoor
units : ARCNN21
Ⓗ : Header
Ⓘ : Sealed piping
Slave3
Slave2
Slave1
Master
l
40 m [131 ft] (90m [295 ft]
H 110 m [361 ft]
L 150 m [492 ft] (200 m [656 ft])
h 40 m (131 ft)
10m or
less
ODU Capacity
Master ≥ Slave 1 ≥Slave 2 ≥Slave 3
G
F
E
H
I
h * : See Table 4
Y branch method
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Indoor Units
l 40 m [131 ft] (90m [295 ft])
h 40 m [131 ft]
H 110 m [361 ft]
L 150 m [492 ft] (200 m [656 ft])
Indoor
Unit
h * : See Table 4
Refrigerant piping system
1 Outdoor Units
Pipe Drawing Out during Single / Series connection
Method of drawing out pipes on the front side
- Proceed with the pipe work as shown in the below figure for front
side pipe drawing out.
1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 13