Purging The Unit - Samsung AM FN1DEH Series Installation Manual

Indoor Unit Installation
6. Adjust the height of the indoor unit by using the jigs.
• You should adjust the jigs and the pattern sheet to fit the cutting dimensions of ceiling.
• Noise may occur if you do not adjust the location of the indoor unit according to location of the jigs during
installation.
- Adjust the location of the indoor unit according to the jigs.
• Make sure that the indoor unit is installed at a level if the indoor unit slants too much, there can be water leaks.
AM✴✴✴FN1DEH✴/AM✴✴✴JN1DEH✴
Side view
Air inlet
Jig
AM✴✴✴FN4DEH✴
Indoor unit
17 mm
Jig
7. Tighten the upper part nuts.
8. Remove the jigs after installing the indoor unit.

Purging the Unit

From factory the unit is supplied and set with a pre-charge of nitrogen gas (insert gas). Therefore, all insert gas must be
purged before connecting the assembly piping.
Unscrew the pinch pipe at the end of each refrigerant pipe.
Result: All inert gas escapes from the indoor unit.
• To prevent dirt or foreign objects from getting into the
pipes during installation, do NOT remove the pinch pipe
NOTE
completely until you are ready to connect the piping.
14
Air outlet Ceiling
17 mm
Ceiling
AM✴✴✴FN2DEH✴
45 mm
Ceiling
• When installing the indoor unit, make sure that it
is not installed too closely to the one side of the
opening on the ceiling.
The designs and shape are subject to change
according to the model.
45 mm
Ceiling
Gas refrigerant
port
Liquid refraigerant port