Safety Precautions - Westinghouse 9K/12K Use And Installation Instructions

Safety precautions

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1 This air conditioner uses R410A refrigerant.
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2 The max. working pressure is 550 psig (3.8MPa) [R22:450 psig (R22:3.1MPa)]. Some of the
piping and installation and service tools are special.
3.This air conditioner uses power supply: 208/230V ~/60Hz.
Please read these SAFETY PRECAUTIONS carefully to ensure correct installation.
·Be sure to use a dedicated power circuit, and do not put other loads on the power supply.
·Be sure to read these SAFETY PRECAUTIONS carefully before installation.
·Be sure to comply with SAFETY PRECAUTIONS of installation manual, because it contains
important safety guidelines. Definitions for identifying hazards level are provided below with their
respective safety symbols.
WARNING: Hazards or unsafe practices which COULD result in severe personal injury or death.
CAUTION: Hazards or unsafe practices which COULD result in minor personal injury or product
or property damage.
·File indoor and outdoor unit manual away for future reference.
·This appliance must be installed properly by qualified, licensed service provider installation in
accordance with the installation instructions provided with the unit. Improper installation may cause
damage due to fire, electric shock or water leakage.
·Wiring must be done by a qualified electrician.
·Install the air conditioner on a solid base that can support the unit weight.
Inadequate support or improper installation may cause injury in the event the unit falls off the base.
·Use the specified type of wire for electrical connections between the indoor and outdoor units.
Firmly connect the wire terminals, so that the wire does not stress or damage electrical parts.
Improper connections may cause fire.
·Do not use a cable long enough to cover the entire distance with no connection.
Do not connect multiple devices to the same AC power supply.
Doing so, it may result in bad contact, poor insulation, or over current and resulting in fire or electric
shock.
·After all installation is completed, make sure that there are no refrigerant leaks.
Leaked refrigerant gas may generate harmful substance when the gas comes in contact with a heat
source, or open flame.
·Perform the installation properly by referring to the installation manual.
Improper installation may cause personal injury due to fire, electric shock, unit falling or water leakage.
·In accordance with the installation instructions for electrical work, please be sure to use a dedicated
power supply.
·Inadequate power supply or poor electrical work may cause fire or electrical shock.
·Install the electrical cover to the indoor unit and the service panel to the outdoor unit securely.
·If the electrical cover on the indoor unit or the service panel of the outdoor unit are not installed
properly, it could result in fire or electric shock due to dust water, etc.
·Disconnect the main power supply before the installation of indoor electronic PCB or
wiring. Otherwise, it will cause electric shock.
·The device should be in accordance with the national and local codes for installation wiring.
·Select outdoor unit installation location carefully, avoid people or other small animals contact with
electrical components, please keep the outdoor unit of the surrounding environment clean and tidy.
·When installing or relocating the unit, make sure that no substance other than the specified
refrigerant (R410A) enters the refrigerant circuit.
Any presence of foreign substance such as air can cause abnormal pressure rise or an explosion.
WARNING
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