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INSTALLATION MANUAL Information for the installer
FIXED-SPEED TYPE
MODEL
capacity (Btu/h)
Liquid pipe diameter
Gas pipe diameter
Lenght of pipe with standard charge
Maximum distance between indoor and outdoor unit
Additional gas charge
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
FIXED-SPEED TYPE
MODEL
capacity (Btu/h)
Liquid pipe diameter
Gas pipe diameter
Lenght of pipe with standard charge
Maximum distance between indoor and outdoor unit
Additional gas charge
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
INVERTER TYPE
MODEL
capacity (Btu/h)
Liquid pipe diameter
Gas pipe diameter
Lenght of pipe with standard charge
Maximum distance between indoor and outdoor unit
Additional gas charge
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
(1) Refer to the data rating label sticked on the outdoor unit.
TIGHTENING TORQUE FOR PROTECTION CAPS AND FLANGE CONNECTION
TIGHTENING TORQUE
PIPE
[N x m]
1/4
15 - 20
( 6)
3/8
31 - 35
( 9.52)
1/2
35 - 45
( 12)
5/8
75 - 80
( 15.88)
5k
7k
1/4
1/4
( 6)
( 6)
3/8
3/8
( 9.52)
( 9.52)
3m
3m
15m
15m
20g/m
20g/m
5m
5m
R22
R22
R407C
7k
1/4
( 6)
3/8
( 9.52)
3m
15m
20g/m
5m
R410A
CORRESPONDING STRESS
(using a 20 cm wrench)
wrist strength
arm strength
arm strength
arm strength
22
9k
12k
15/18k
1/4
1/4
1/4
( 6)
( 6)
( 6)
3/8
1/2
1/2
( 9.52)
( 12)
( 12)
3m
3m
4m
15m
15m
15m
20g/m
20g/m
30g/m
5m
5m
5m
R22
R22
R22
R407C
R407C
R407C
9k
12k
15/18k
1/4
1/4
1/4
( 6)
( 6)
( 6)
3/8
3/8
1/2
( 9.52)
( 9.52)
( 12)
3m
3m
4m
15m
15m
15m
20g/m
20g/m
30g/m
5m
5m
5m
R410A
R410A
R410A
9k
12k
15/18k
1/4
1/4
1/4
( 6)
( 6)
( 6)
3/8
1/2
1/2
( 9.52)
( 12)
( 12)
3m
3m
4m
15m
15m
15m
20g/m
20g/m
30g/m
5m
5m
5m
R22
R22
R22
R410A
R410A
R410A
TIGHTENING TORQUE
Service port nut
Protection caps
22/24k
28/30k
3/8
3/8
( 9.52)
( 9.52)
5/8
5/8
( 15.88)
( 15.88)
4m
4m
15m
15m
30g/m
30g/m
5m
5m
R22
R22
R407C
R407C
22/24k
28/30k
3/8
3/8
( 9.52)
( 9.52)
5/8
5/8
( 15.88)
( 15.88)
4m
4m
15m
15m
30g/m
30g/m
5m
5m
R410A
R410A
22/24k
3/8
( 9.52)
5/8
( 15.88)
4m
15m
30g/m
5m
R22
R410A
[N x m]
7 - 9
25 - 30
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