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28
(1) Refer to the data rating label sticked on the outdoor unit.
TIGHTENING TORQUE FOR PROTECTION CAPS AND FLANGE CONNECTION
PIPE
1/4
(6)
3/8
( 9.52)
1/2
( 12)
5/8
( 15.88)
TIGHTENING TORQUE
[N x m]
TIGHTENING TORQUE
[N x m]
CORRESPONDING STRESS
(using a 20 cm wrench)
15 - 20
31 - 35
35 - 45
75 - 80
Service port nut
Protection caps
7 - 9
25 - 30
wrist strength
arm strength
arm strength
arm strength
MODEL capacity (Btu/h)
9k
12k
18k
24k
Liquid pipe diameter
Gas pipe diameter
Length of pipe with standard charge
Maximum distance between indoor and outdoor unit
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
1/4
(6)
1/4
(6)
1/4
(6)
3/8
( 9.52)
1/2
( 12)
1/4
(6)
5/8
( 15.88)
3m
5m
5m
15m 15m 15m
20g/m 30g/m 30g/m
5m 5m 5m
INVERTER TYPE
Additional refrigerant charge
R32 R32 R32R32
4m
15m
20g/m
5m
1/2
( 12)
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