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10.4.1. Accessories packed in the indoor unit container
10.4.2. Selecting the location for indoor unit
Provide a check port on the piping side ceiling for repair and maintenance.
• Install the indoor unit once the following conditions are satisfied and after receiving the customer approval.
1. The indoor unit must be within a maintenance space.
2. The indoor unit must be free from any obstacles in path of the air inlet and outlet, and must allow spreading of air through-
out the room.
* If the height from the floor to ceiling exceeds three meters, air flow distribution deteriorates and the effect is decreased.
3. The installation position must be able to support a load four times the indoor unit weight. Warnings
4. The indoor unit must be away from heat and steam sources, but avoid installing it near an entrance.
5. The indoor unit must allow easy draining.
6. The indoor unit must allow easy connection to the outdoor unit.
7. Place the indoor unit according to the height from the ceiling shown in the illustration below.
8. The indoor unit must be from at least 3m away from any noise-generating equipment. The electrical wiring must be
shielded with a steel conduit.
9. If the power supply is subject to noise generation, add a suppressor.
When performing piping work do not mix air except for specified
refrigerant (R22) in refrigeration cycle. it causes capacity down,
and risk of explosion and injury due to high tension inside the
refrigerant cycle.
Installation of Earth Leakage Current Breaker
This equipment must be installed with earth leakage
current breaker.
Otherwise, it may cause electrical shock and fire in case
the equipment breakdown or has leakage current.
Earth
This equipment must be properly earthed.
Earth line must not be connected to earth of gas
pipe, water pipe, lightning rod and telephone.
Otherwise, it may cause electrical shock in case
the equipment breakdown or has leakage current.
Cautions
Do not install the unit at the place where the possibility of inflamma-
ble gas leakage exists. If gas leakage should arise and the gas
builds up around the unit, such situation may lead to ignition.
Position the indoor unit and outdoor unit, power cords and indoor/
outdoor unit connection cables in a way so that they are at least 1
meter away from televisions and radios.
This is to avoid problem such as interference with picture and/or
sound. (However, note that depending on the electromagnetic
wave conditions, interference may still occur even if the separa-
tion distance is more than 1 meter.)
Drain piping should be made to ensure secure drainage according
to the manual for installation work and carry out the thermal insula-
tion to prevent the occurrence of condensation.
Imperfection in piping work lead to water leakage and may cause
the house and property, etc. to become wet.
Name Q’ty Appearance Purpose Name Q’ty Appearance Purpose
Drain hose with a
clip
1 For drain piping Flat washer for
M10
8 For fixing the hanging bolts
Heat insulator 2 For insulating refrigerant
pipe joint
Screw M5 4 Set screw for paper model
and panel fixing
Band 4 For fastening the heat
insulator
Warnings
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