Samsung WALL MOUNTED TYPE Technical Manual page 84

2
Refrigerant Refill
• Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using
1. Purge air(for new installation only).
2. Turn the 3-way valve clockwise to close,
connect the pressure gauge(low
pressure side) to the service valve, and
open the 3-way valve again.
3. Connect the tank to refill with Refrigerant
4. Set the unit to Low pressure checking mode.
* Press the ON/OFF switch for 5 second.
*All lamps blink on the indoor unit.
5. Check the pressure indicated by the
pressure gauge(low pressure side).
* Refer to Low pressure graph.
6. Open the refrigerant tank and fill with refrig-
erant until the rated pressure is reached.
* It is recommended not to pour the
refrigerant in too quickly, but gradually
while operating a pressure valve.
7. Stop operation of the air conditioner.
8. Close the 3-way valve, disconnect the
pressure gauge, and open the 3-way
valve again.
9. Close the cap of each valve.
Compound
gauge
For mounting
other and of
hose when
not in use
Press this ON/OFF
Switch for 5sec.
And then the
Airconditioner
operating on rating
speed.
Suspension hook
High
pressure
gauge
Hand
wheel
Finger tight
fittings
Connected to
high pressure
side
Charging
line
84
Inverter Model