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2. Connect indoor unit pipes using two wrenches. Pay special atten-
tion to the allowed torque as shown below to prevent the pipes,
connectors and flare nuts from being deformed and damaged.
3. Pre-tighten them with fingers at first, then use the wrenches.
Model
(capacity)
7 000 BTU/h
8 000 BTU/h
9 000 BTU/h
10 000 BTU/h
12 000 BTU/h
14 000 BTU/h
18 000 BTU/h
18 000* BTU/h
21 000 BTU/h
22 000 BTU/h
24 000 BTU/h
25 000 BTU/h
30 000 BTU/h
36 000 BTU/h
7 000 BTU/h
8 000 BTU/h
9 000 BTU/h
10 000 BTU/h
12 000 BTU/h
12 000* BTU/h
14 000 BTU/h
18 000 BTU/h
18 000* BTU/h
21 000 BTU/h
22 000 BTU/h
24 000 BTU/h
25 000 BTU/h
30 000 BTU/h
36 000 BTU/h
36 000* BTU/h
Note: Units marked with an asterisk (*) are larger.
Pipe size
Torque
Liquid side
15~20 N·m
6 mm Ø (or 1/4)
Liquid side
30~35 N·m
9,53 mm Ø (or 3/8)
Liquid side
30~35 N·m
9,53 mm Ø (or 3/8)
Gas side
50~55 N·m
12 mm Ø (or 1/2)
Gas side
60~65 N·m
16 mm Ø (or 5/8)
Gas side
70~75 N·m
19 mm Ø (or 3/4)
Nut
Min.
width
thickness
17 mm
0,5 mm
22 mm
0,6 mm
22 mm
0,6 mm
24 mm
0,6 mm
27 mm
0,6 mm
32 mm
1,0 mm