LG MULTI V IV PRO ARUN220LLN4 User Manual

14
ENGLISH
Y branch method
Combination of Y
branch/header Method
Header Method
Ⓐ :
Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Indoor Units
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Header
Ⓕ : Sealed piping
Ⓐ : Outdoor Unit
Ⓑ : Header branch
Ⓒ : Indoor Units
Ⓓ : Sealed piping
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Indoor Units
Ⓓ : Downward Indoor Unit
Ⓔ : Connection branch
pipe between
Outdoor units:
ARCNN31
Ⓕ : Connection branch
pipe between
Outdoor units:
ARCNN21
l
40 m (90 m : Conditional application)
h 30 m
H 90 m
L165 m
L 165 m
40 m(90 m : Conditional application)
H 90 m
30 m
L 165 m
40 m
H 90 m
30 m
1 Outdoor Units
Y branch method
Combination of Y branch/
header Method
H
eader Method
Ⓐ : Outdoor Unit
Ⓑ : Header branch
Ⓒ : Indoor Units
Ⓓ : Sealing
Ⓔ : Connection branch pipe
between Outdoor
units : ARCNN41
Ⓕ : Connection branch pipe
between Outdoor
units : ARCNN31
Ⓖ : Connection branch pipe
between Outdoor
units : ARCNN21
Ⓐ : 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
Ⓘ : Sealing
10 m or
less
L165 m
l 40 m (90 m : Conditional application)
H 90 m
Slave2
Slave3
Slave1
Master
G
ODU Capacity
Master ≥ Slave1 ≥ Slave 2 ≥ Slave 3
h 30 m
h1
10 m or
less
H 90 m
GG
FF
EE
G
F
E
L 165 m
l 40 m(90 m : Conditional application)
ODU Capacity
Master ≥ Slave1 ≥ Slave2 ≥ Slave3
30 m
Master
Slave3
Slave1
Slave2
h1
10 m or
less
H 90 m
L 165 m
40 m
M
aster
Slave3
Slave1
Slave2
ODU Capacity
Master ≥ Slave1 ≥ Slave2 ≥ Slave3
30 m
G
GG
h1
F
F
E
E
F
E
h See Table 2
A : Refrigerant pipe diameter from outdoor unit to first branch
E : Refrigerant pipe diameter for outdoor unit capacity
(Slave 1+ Slave 2+ Slave 3)
F : Refrigerant pipe diameter for outdoor unit capacity
(Slave 2+ Slave 3)
G : Refrigerant pipe diameter for outdoor unit capacity(Slave 3)
h * : See Table 4
L1
L2
L
3
h
1
E GF
S
lave3
S
lave2
Slave1
Master
l
40 m
h 30 m
I
ndoor
Unit
1
st branch
Refrigerant pipe diameter from outdoor unit to first branch
Level Difference
(Outdoor unit
↔
Outdoor unit)
5m
Max length from first branch to
each outdoor unit (L1, L2, L3)
Less than 10 m
(equivalent length of piping 13 m)
Y branch
Method
Combination of Y
branch/header
Method
Header
Method
Max pipe
length
Outdoor Unit
↔
Indoor Unit
Longest
pipe
length(L)
A+B+C+D+e≤165 m
A+B+b≤165 m
A+C+e≤165 m
A+f≤165 m
Equivalent
pipe length
190 m 190 m 190 m
Total pipe
length
1,000 m 1,000 m 1,000 m
Max
difference
in height
Outdoor Unit
↔ Indoor Unit
Difference in
height(H)
90 m 90 m 90 m
Indoor Unit
↔ Indoor Unit
Difference in
height(h)
30 m 30 m 30 m
Longest pipe
length after
1st branch
Pipe
length(l)
40 m
(90 m: Conditional
application)*
40 m
(90 m: Conditional ap-
plication)*
40 m
(Table 1) Limit Pipe length
Pipe Connection Method between outdoor
unit/indoor unit
Series Outdoor Units (2 Units ~ 4 Units)
Refrigerant piping system

LG MULTI V IV PRO ARUN220LLN4 Specifications

General

Brand	LG
Model	MULTI V IV PRO ARUN220LLN4
Category	Air Conditioner
Language	English