INSTALLATION MANUAL---Information for the installer
MODEL
capacity (Btu/h)
Lenght of pipe with standard charge
Maximum distance between indoor and outdoor unit
Additional refrigerant 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.
The total charge amount should under the maximum according to the table GG.1 in page 20.
(2)
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)
CORRESPONDING STRESS
(using a 20 cm wrench)
wrist strength
arm strength
arm strength
arm strength
28
9k/12k
5m
25m
15g/m
10m
R32/R290
TIGHTENING TORQUE
Service port nut
Protection caps
18k/24k
5m
25m
25g/m
10m
R32/R290
[N x m]
7 - 9
25 - 30