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Safety-1
62--10458--00
SAFETY SUMMARY
GENERAL SAFETY NOTICES
The following general safety notices supplement the specific warnings and cautions appearing elsewhere in this
manual. They are recommended precautions that must be understood and applied during operation and maintenance
of theequipment covered herein. The generalsafety noticesare presented in the following threesections labeled:F i rst
Aid, Operating Precautions and Maintenance Precautions. A listing of the specific warnings and cautions appearing
elsewhere in the manual follows the general safety notices.
FIRST AID
Aninjury, no matterhow slight, shouldnevergo unattended. Always obtainfirst aidormedical attentionimmediately.
OPERATING PRECAUTIONS
Always wear safety glasses.
Keep hands, clothing and tools clear of the evaporator and condenser fans.
No workshould beperformed onthe unit until all circuitbreakers, start-stopswitches areturned off, and powersupply
is disconnected.
Always work in pairs. Never work on the equipment alone.
In case of severe vibration or unusual noise, stop the unit and investigate.
MAINTENANCE PRECAUTIONS
Beware of unannounced starting of the evaporator fan. Donot open the evaporator access panels before turning power
off, disconnecting and securing the power source.
Be sure power is turned off before working on motors, controls, solenoid valves and electrical control switches. Tag
circuit breaker and power supply to prevent accidental ener gizing of circuit.
Do not bypass any electrical safety devices, e.g. bridging an overload, or using any sort of jumper wires. Problems
with the system should be diagnosed, and any necessary repairs performed, by qualified service personnel.
In case of electrical fire, open circuit switch and extinguish with CO
2
(never use water).
SPECIFIC WARNING AND CAUTION STATEMENTS
To help identify the label hazards on the unit and explain the level of awareness each one carries, an explanation is
given with the appropriate consequences:
WARNING -- means to w arn against hazards or uns afe conditions which could result in s e ver e pe rsona l injury or
death.
CAUTION -- means to warn against potential hazard or unsafe practice which could result in product or property
damage.
The statements listed below are applicable to the unit and appear elsewhere i n this manual. These recommended
precautions must be understood and applied during operation and maintenance of the equipment covered herein.
WARNING
Never reach into unit while fan is running. Lock open and tag unit disconnect before working on fan.
Remove fuses and take them with you after noting this on tag.
WARNING
Follow all Safety codes. Wear safety glasses and rubber gloves when u sing inhibited hydrochloric acid
solution.
WARNING
Lock open and tag unit disconnect before working on fan motor. Remove fuses and take them with you
after noting this on tag.
CAUTION
Compr essor crankcase heater must be energized for 24 hours prior to start up to prevent compressor
bearing damage.