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- If dust, dirt, or water gets in the refrigerant cycle, the refrigerant may deteri-
orate.
1.3. Before getting installed
Caution:
•
Do not install the unit where combustible gas may leak.
- If the gas leaks and accumulates around the unit, an explosion may result.
•
Do not use the connection kit where food, pets, plants, precision instru-
ments, or artwork are kept.
- The quality of the food, etc. may deteriorate.
•
Do not use the unit in special environments.
- Oil, steam, sulfuric smoke, etc. can significantly reduce the performance of
the unit or damage its parts.
•
When installing the unit in a hospital, communication station, or similar
place, provide sufficient protection against noise.
- The inverter equipment, private power generator, high-frequency medical
equipment, or radio communication equipment may cause the air condi-
tioner to operate erroneously, or fail to operate. On the other hand, the unit
may affect such equipment by creating noise that disturbs medical treatment
or image broadcasting.
•
Do not install the unit on a structure that may cause leakage.
- When the room humidity exceeds 80% or when the drain pipe is clogged,
condensation may drip from the indoor unit. Perform collective drainage
work together with the outdoor unit, as required.
•
The unit should be installed the ceiling over than 2.5 m from floor.
1.4. Before getting installed (moved) -
electrical work
Caution:
•
Ground the unit.
- Do not connect the ground wire to gas or water pipes, lightning rods, or tele-
phone ground lines. Improper grounding may result in electric shock.
•
Install the power cable so that tension is not applied to the cable.
- Tension may cause the cable to break and generate heat and cause a fire.
•
Install a leak circuit breaker, as required.
- If a leak circuit breaker is not installed, electric shock may result.
•
Use power line cables of sufficient current carrying capacity and rating.
- Cables that are too small may leak, generate heat, and cause a fire.
•
Use only a circuit breaker and fuse of the specified capacity.
- A fuse or circuit breaker of a larger capacity or a steel or copper wire may
result in a general unit failure or fire.
•
Do not wash the unit.
- Washing them may cause an electric shock.
•
Be careful that the installation base is not damaged by long use.
- If the damage is left uncorrected, the unit may fall and cause personal injury
or property damage.
•
Install the drain piping according to this Installation Manual to ensure
proper drainage. Wrap thermal insulation around the pipes to prevent
condensation.
- Improper drain piping may cause water leakage and damage to furniture and
other possessions.
•
Be very careful about product transportation.
- Some products use PP bands for packaging. Do not use any PP bands for a
means of transportation. It is dangerous.
•
Safely dispose of the packing materials.
- Packing materials, such as nails and other metal or wooden parts, may
cause stabs or other injuries.
- Tear apart and throw away plastic packaging bags so that children will not
play with them. If children play with a plastic bag which was not torn apart,
they face the risk of suffocation.
1.5. Before starting the test run
Caution:
•
Turn on the power at least 12 hours before starting operation.
- Starting operation immediately after turning on the main power switch can
result in severe damage to internal parts. Keep the power switch turned on
during the operational season.
•
Do not touch the switches with wet fingers.
- Touching a switch with wet fingers can cause electric shock.
•
Do not touch the refrigerant pipes during and immediately after opera-
tion.
- During and immediately after operation, the refrigerant pipes are may be hot
and may be cold, depending on the condition of the refrigerant flowing
through the refrigerant piping, compressor, and other refrigerant cycle parts.
Your hands may suffer burns or frostbite if you touch the refrigerant pipes.
•
Do not operate the unit with the panels and guards removed.
- Rotating, hot, or high-voltage parts can cause injuries.
•
Do not turn off the power immediately after stopping operation.
- Always wait at least five minutes before turning off the power. Otherwise,
water leakage and trouble may occur.
•
If the supply cord is damaged, it must be replaced by the manufacturer,
its service agent or similarly qualified persons in order to avoid a haz-
ard.
•
This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of experi-
ence and knowledge, unless they have been given supervision or
instruction concerning use of the appliance by a person responsible for
their safety.
•
Children should be supervised to ensure that they do not play with the
appliance.
3
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