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28 Room Air Conditioner
Installation
1. Check that all tubing and wiring are properly connected.
2. Check that the gas and liquid side service valves are fully open.
Prepare remote controller
1. Remove the battery cover by pulling it
according to the arrow direction.
2. Insert new batteries making sure that the (+)
and (–) of battery are installed correctly.
3. Reattach the cover by pushing it back into
position.
• Use 2 AAA(1.5volt) batteries. Do not use
rechargeable batteries.
• Remove the batteries from the remote
controller if the system is not used for a long
time.
Settlement of outdoor unit
1. Anchor the outdoor unit with a bolt and
nut[ø10mm(0.39in)] tightly and horizontally on
a concrete or rigid mount.
2. When installing on the wall, roof or rooftop,
anchor the mounting base securely with a
nail or wire assuming the influence of wind
and earthquake.
3. If the vibration of the unit is transmitted to the
hose, secure the unit with an anti-vibration
rubber.
Evaluation of the performance
Operate the unit for 15~20 minutes, then check
the system refrigerant charge:
1. Measure the pressure of the gas side service
valve.
2. Measure the temperature of the intake and
discharge of air.
3. Ensure the difference between the intake
temperature and the discharge is more than
8°C
4. For reference; the gas side pressure of
optimum condition is as below.(Cooling)
The air conditioner is now ready for use.
NOTICE
Bolt
Tubing connection
Discharge
temperature
Discharge air
Intake temperature
R-22 35°C (95°F) 4~5kg/cm
2
G(56.8~71.0 P.S.I.G.)
R-410A 35°C (95°F) 8.5~9.5kg/cm
2
G(120~135 P.S.I.G.)
Outside ambient
TEMP.
Refrigerant
The pressure of the gas side
service valve.
Test Running