Service manual

Installation Method
3-8
Samsung Electronics
3-2-3 Installation Method
3-2-3(a) Installation Procedures
1 . Open the inlet grille, and remove the flare nut.
2. Bend the connection pipe to an appropriate length using the spring bender depending
upon the installation place.
- Allowable pipe length : Maximum 25m
- Allowable pipe drop distance : Maximum 15m
- Make no more than ten bending points on the pipe
• When the pipe length is in excess of the standard pipe length of 5m, add the refrigerant
(R-22) of 50g for each additional 1m.
3. Install the high pre s s u re pipe to the heat exchanger liquid pipe, and the low pre s s u re pipe to the
heat exchanger gas pipe respectively using the flare nut, taking care not to cause any leakage of
re f r i g e r a n t .
4. Be sure to insulate the pipe with appropriate insulation material.
5. Insert the drain hose into the drain pipe, and connect them by tying them to the cable tie to pre-
vent any water leakage.
6. After completion of the installation, check the connecting area for any gas leakage.
7. Wind a finish tape when the wiring of the refrigerant pipe, the unit, and the drain piping are com-
p l e t e d .
Outdoor
unit
Outdoor
unit
Indoor
unit
Indoor
unit
Outdoor unit
checking area
Indoor unit
checking area
CAUTION
• If the pipe is lengthened, the performance of the unit is degraded, and the service life is shortened.
Therefore, the pipe length should be as short as possible (less then 15m).