INSTALLATION
23
ENGLISH
Insulation of shutoff valve
1
Use the heat insulation material for the refrigerant piping which has an excellent heat-resis-
tance (over 120°C).
2
Precautions in high humidity circumstance:
This air conditioner has been tested according to the "ISO Conditions with Mist" and con-
firmed that there is not any default. However, if it is operated for a long time in high humid at-
mosphere (dew point temperature: more than 23°C), water drops are liable to fall. In this
case, add heat insulation material according to the following procedure:
- Heat insulation material to be prepared... EPDM (Ethylene Propylene Diene Methylene)-over
120°C the heat-resistance temperature.
- Add the insulation over 10mm thickness at high humidity environment.
Indoor unit
Thermal insulator
(accessory)
Fastening band
(accessory)
Refrigerant piping
Closing shutoff valve
1
Remove the cap and turn the valve clockwise with the hexagon wrench.
2
Securely tighten the valve until the shaft contacts the main body seal.
3
Make sure to tighten the cap securely.
- For the tightening torque, refer to the table on the below.
Tightening torque
Shutoff
valve size
Tightening torque N·m(Turn clockwise to close)
Shaft(valve body)
Cap(Valve lid) Service port
Flare nut Gas line piping attached to unit
Ø6.35
6±0.6
Hexagonal
wrench 4mm
29.4±2.9
12.7±2
16±2
-
Ø9.52
38±4
Ø12.7
9±0.9
53.9±5.8
55±6
Ø15.88
15±1.5
Hexagonal
wrench 6mm
75±7
Ø22.2
30
±3
Hexagonal
wrench 10mm
-
25±3
Ø25.4
1,MFL67798027,영영 2018. 6. 18. 영영 3:07 Page 23
