B Refrigerant pipe sizes & Flare nut tightening torque
C Apply refrigerating machine oil over the entire flare seat surface
[Fig. 6.3.1]
B
A
E
A Thermal insulation tubing 1
B Caution:
Pull out the thermal insulation on the refrigerant piping at the site, insert the flare nut to flare the end, and replace the insulation in its original position.
Take care to ensure that condensation does not form on exposed copper piping.
C Liquid end of refrigerant piping
G Thermal insulation tubing 2
K Return to original position
O Inside
2
3.1
J
K
A
28
A
100
H Access door
I Control box
J Air inlet
K Air outlet
L
L Ceiling
C
D
E
F
640
365-465
88
640
365-465
88
640
365-465
88
680
365-465
88
680
365-465
88
6.1
B
C
B
H
C
D
H
G
D Gas end of refrigerant piping
H Thermal insulation
L Ensure that there is no gap here
P Tie
4
[Fig. 4.1.1]
A
[Fig. 4.1.2]
F
5
[Fig. 5.1.1]
(mm)
G
44
44
44
44
44
[Fig. 6.2.1]
A
P20, 25, 32, 40,
50, 63, 71, 80
P100, 125, 140
6.3
J
I
E
J
L
K
E Site refrigerant piping
I Pull
M Plate on main body
Q Ensure that there is no gap here. Place joint upwards.