Hitachi air Core 700 Operation Installation Maintenance Manual page 3

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DANGER
!
Do not install pipe work with diameters that are not specified for that model.
Do not ground units to water pipes, gas pipes, telephone wires, or lightning rods as incomplete
grounding can cause a severe shock hazard resulting in severe injury or death. Additionally, grounding
to gas pipes could cause a gas leak and potential explosion causing severe injury or death.
Do not install unit in an area where flammable materials are present due to risk of explosions that can
cause serious injury or death.
Safely dispose all packing and transportation materials in accordance with federal/state/local laws or
ordinances. Packing materials such as nails and other metal or wood parts, including plastic packing
materials used for transportation may cause injuries or death by suffocation.
Refrigerant gas is heavier than air and replaces oxygen. A massive leak can lead to oxygen depletion,
especially in basements, and an asphyxiation hazard could occur leading to serious injury or death.
If refrigerant gas leaks during installation, ventilate the area immediately. Refrigerant gas may produce
toxic gas if it comes into contact with fire. Exposure to this gas could cause severe injury or death.
WARNING
!
Assure that the maximum operating pressure is checked when connecting to Outdoor UNIT.
This unit <PPFC-UFA1NQ> is a PARTIAL UNIT AIR CONDITIONER, shall only be connected to an appliance
suitable for the same refrigerant.
This unit <PPFC-UFA1NQ> is a PARTIAL UNIT AIR CONDITIONER, complying with PARTIAL UNIT
requirements of IEC 60335-1 and IEC 60335-2-40, and must only be connected to other units that have
been confirmed as complying to corresponding PARTIAL UNIT requirements of IEC 60335-1 and IEC
60335-2-40.
Only qualified personnel licensed or certified in their jurisdiction must carry out the installation work.
Installation must be done in accordance with this installation manual. Improper installation may result
in water leakage, electric shock, or fire.
Pipe work and installation shall be in compliance with national codes (ASHRAE15 or IRC).
Use only specified accessories and parts for installation work. Failure to use specified parts may result
in water leakage, electric shock, fire, or the unit falling.
Install the air conditioner or heat pump on a foundation strong enough that it can withstand the weight
of the unit. A foundation of insufficient strength may result in the unit falling and causing injuries.
Take into account strong winds, typhoons, or earthquakes when installing. Improper installation may
result in the unit falling and causing accidents.
Make sure that a separate power supply circuit is provided for this unit and that all electrical work is
carried out by qualified personnel licensed or certified in their jurisdiction according to local, state, and
national regulations. An insufficient power supply capacity or improper electrical construction may
lead to electric shock or fire.
Make sure that all wiring is secured, that specified wires are used, and that no external forces act on the
terminal connections or wires. Improper connections or installation may result in fire.
When wiring, position the wires so that the electrical wiring box cover can be securely fastened.
Improper positioning of the electrical wiring box cover may result in electric shock, fire, or the terminals
overheating.
Before touching electrical parts, turn off the unit.
The circuit must be protected with safety devices in accordance with local and national codes, i.e. a
circuit breaker.
Securely fasten the outdoor unit terminal cover (panel). If the terminal cover/panel is not installed
properly, dust or water may enter the outdoor unit causing fire or electric shock.
When a fire occurs, cut off the power supply immediately.
CAUTION
!
Do not touch the switch with wet fingers. Touching a switch with wet fingers can cause electric shock.
This appliance can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been given
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