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Signal Words
General Precautions
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This system, including Remote Access, should be installed by personnel certified by HITACHI.
Personnel must be qualified according to local, state, and national building and safety codes and
regulations. Incorrect installation could cause leaks, electric shock, fire or explosion. In areas where
Seismic ''Performance requirements are specified, the appropriate measures should be taken during
installation to guard against possible damage or injury that might occur in an earthquake. If the product is
not installed correctly, injuries may occur due to a falling product.
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Use appropriate Personal Protective Equipment (PPE), such as gloves and protective goggles and,
where appropriate, have a gas mask nearby. Also use electrical protection equipment and tools suited
for electrical operation purposes. Keep a wet cloth and a fire extinguisher nearby during brazing. Use
care in handling, rigging, and setting of bulky equipment.
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When transporting, be careful when picking up, moving and mounting these units. Although the unit may
be packed using plastic straps, do not use them for transporting the unit from one location to another.
Do not stand on or put any material on the unit. Get a partner to help, and bend with your knees when
lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut
fingers, so wear protective gloves.
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Do not touch or adjust any safety devices inside the indoor or outdoor units. All safety features,
disengagement, and interlocks must be in place and functioning correctly before the equipment is put
into operation. If these devices are improperly adjusted or tampered with in any way, a serious accident
can occur. Never bypass or jump-out any safety device or switch.
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HITACHI will not assume any liability for injuries or damage caused by not following steps outlined or
described in this manual. Unauthorized modifications to HITACHI products are prohibited as they...
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May create hazards which could result in death, serious injury or equipment damage;
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Will void product warranties;
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May invalidate product regulatory certifications;
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May violate OSHA standards;
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Be careful that moisture, dust, or variant refrigerant compounds do not enter the refrigerant cycle
during installation work. Foreign matter could damage internal components or cause blockages.
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If air filters are required on this unit, do not operate the unit without the air filter set in place.
If the air filter is not installed, dust may accumulate and breakdown may result.
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Do not install this unit in any place where silicon gases can coalesce.
A12124920A
Indicates a hazardous situation that, if not avoided, could result in death or serious
injury.
Indicates a hazardous situation that, if not avoided, could result in minor or moderate
injury.
Indicates information considered important, but not hazard-related (for example,
messages relating to property damage).
To reduce the risk of serious injury or death, read these instructions thoroughly and
follow all warnings or cautions included in all manuals that accompanied the product
and are attached to the unit. Refer back to these safety instructions as needed.
Take the following precautions to reduce the risk of property damage.
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