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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)
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 sys-
tem 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 tempera-
ture and the discharge is more than 8°C
4. For reference; the gas side pressure of optimum con-
dition 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