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Piping length and the elevation
(kBtu/hour)
Model
Capacity
9/12
ZUAA1
18
18
ZUAB1
24
ZUAC1
24/30/36
ZUAD1
36/48
ZUAD3
ZUAE1
60
ZUAE3
ZUUQ18GH0
18
ZUUQ21GH0
21
ZUUQ32GH0
32
ZUUQ36GH0
36
*Connector information
Capacity
Model
(kBtu/h)
Ø 9.52
9/12
ZUAA1
18
18
ZUAB1
24
!
CAUTION
If installed tube is shorter than 15 m (49.2 ft), additional charging is not necessary.
Additional Refrigerant = (A - 15 m) x Additional refrigerant (g)
Indoor unit
B
!
CAUTION
•
Capacity based on 7.5 m and maximum permissible length based on reliability.
• Improper charging of refrigerant can cause abnormal pressure and problems
noise.
Pipe Size
mm (
inch)
Gas
Liquid
9.52(3/8)
6.35(1/4)
Ø
Ø
12.7(1/2)
6.35(1/4)
Ø
Ø
12.7(1/2)
6.35(1/4)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
15.88(5/8)
9.52(3/8)
Ø
Ø
a
b
Ø 12.7 Ø 6.35
Ø 9.52 Ø 12.7
X
X
O
X
X
X
X
O
(A - 49.2 ft) x Additional refrigerant (klb)
A
Outdoor unit
INFORMATION OF OUTDOOR UNIT
Length A m
Height
Standard
Max
Max
30
30
30
30
50
7.5
50
50
50
50
50
7.5
50
7.5
c
Ø 15.88
X
X
X
O
ex) ZUAA1 + ZTNQ18GPLE0
A
Indoor unit
Additional
B
m
Refrigerant Connector
Type
(g/m)
15
15
15
15
a
20
15
20
30
b,c
30
30
30
40
30
40
30
30
30
30
30
40
30
40
ex) ZUAB1 + ZTNQ24GNLE0
Outdoor unit
B
11
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