Unit installation

DANGER
Never touch electrical components immediately after the power supply has been turned off. Electrical shock may occur. After
turning off the power, always wait 5 minutes or more before touching electrical components.
WARNING
1 For the room air conditioner to operate satisfactorily, install it as outlined in this installation instruction sheet.
2 Connect the indoor unit and outdoor unit with the room air conditioner piping and cords available standards parts. This
installation instruction sheet describes the correct connections using the installation set available from our standard parts.
3 Installation work must be performed in accordance with national wiring standards by authorized personnel only.
4 Also, do not use an extension cord.
5 Do not turn on the power until all installation work is complete.
6 Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation.
7 There is not extra refrigerant in the outdoor unit for air purging.
8 Use a vacuum pump for R410A exclusively.
9 Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit.
0 Use a clean gauge manifold and charging hose for R410A exclusively.
A If refrigerant leaks while work is being carried out, ventilate the area. If the refrigerant comes in contact with a flame,
it produces a toxic gas.
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• Be careful not to scratch the room air conditioner when handling it.
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• After installation, explain correct operation to the customer, using the operating manual.
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• Let the customer keep this installation instruction sheet because it is used when the room air conditioner is serviced or moved.
Use
For outdoor unit drain piping
work
Q’ty
1
5
Name and Shape
Drain pipe
Drain cap
STANDARD PARTS
The following installation parts are furnished. Use them as required.
Use
For use when connecting
models 9–12 to outdoor port A
Q’ty
1
Name and Shape
Adapter assy
12.7 mm / 9.52 mm
(1/2 in.) (3/8 in.)
36 type only
OPERATING RANGE
Temperature Indoor air intake Outdoor air intake
Cooling
Maximum 90 °F DB 115 °F DB
Minimum 65 °F DB 32 °F DB
Heating
Maximum 86 °F DB or less 75 °F DB
Minimum — 14 °F DB
Indoor humidity about 80% or less