Precaution; Safety Precaution; Warning - Carrier 38KCR009713 Service Manual

1. Precaution

1.1 Safety Precaution

 To prevent injury to the user or other people and property damage, the following instructions must be followed.
 Incorrect operation due to ignoring instruction will cause harm or damage.
 Before service unit, be sure to read this service manual at first.

1.2 Warning

 Installation
 Do not use a defective or underrated circuit
breaker. Use this appliance on a dedicated circuit.
There is risk of fire or electric shock.
 For electrical work, contact the dealer, seller, a
qualified electrician, or an Authorized service
center.
Do not disassemble or repair the product, there is risk of
fire or electric shock.
 Always ground the product.
There is risk of fire or electric shock.
 Install the panel and the cover of control box
securely.
There is risk of fire of electric shock.
 Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fore or electric
shock.
 Use the correctly rated breaker of fuse.
There is risk of fire or electric shock.
 Do not modify or extend the power cable.
There is risk of fire or electric shock.
 Do not install, remove, or reinstall the unit by
yourself (customer).
There is risk of fire, electric shock, explosion, or injury.
 Be caution when unpacking and installing the
product.
Sharp edges could cause injury, be especially careful of
the case edges and the fins on the condenser and
evaporator.
 For installation, always contact the dealer or an
Authorized service center.
There is risk of fire, electric shock, explosion, or injury.
 Do not install the product on a defective installation
stand.
It may cause injury, accident, or damage to the product.
 Be sure the installation area does not deteriorate
with age.
If the base collapses, the air conditioner could fall with it,
causing property damage, product failure, and personal
injury.
 Do not let the air conditioner run for a long time
when the humidity is very high and a door or a
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Service manual
windows is left open.
Moisture may condense and wet or damage furniture.
 Take care to ensure that power cable could not be
pulled out or damaged during operation.
There is risk of fire or electric shock.
 Do not place anything on the power cable.
There is risk of fire or electric shock.
 Do not plug or unplug the power supply plug during
operation.
There is risk of fire or electric shock.
 Do not touch (operation) the product with wet
hands.
There is risk of fire or electric shock.
 Do not place a heater or other appliance near the
power cable.
There is risk of fire and electric shock.
 Do not allow water to run into electric parts.
It may cause fire, failure of the product, or electric shock.
 Do not store or use flammable gas or combustible
near the product.
There is risk of fire or failure of product.
 Do not use the product in a tightly closed space for
a long time.
Oxygen deficiency could occur.
 When flammable gas leaks, turn off the gas and
open a window for ventilation before turn the
product on.
Do not use the telephone or turn switches on or off.
There is risk of explosion or fire.
 If strange sounds, or small or smoke comes from
product. Turn the breaker off or disconnect the
power supply cable.
There is risk of electric shock or fire.
 Stop operation and close the window in storm or
hurricane. If possible, remove the product from the
window before the hurricane arrives.
There is risk of property damage, failure of product, or
electric shock.
 Do not open the inlet grill of the product during
operation. (Do not touch the electrostatic filter, if