Safety--1
T--304
04/08
SAFETY SUMMARY
GENERAL SAFETY NOTICES
The following general safety notices supplement the specific warnings and cautions appearing elsewhere in this
manual. They arerecommendedprecautionsthatmustbeunderstoodandappliedduringoperationandmaintenance
of the equipment covered herein. A listing of the specific warnings and cautions appearing elsewhere in the manual
follows the general safety notices.
FIRST AID
An injury, no matter how slight, should never go unattended. Always obtain first aid or medical attention immediately.
OPERATING PRECAUTIONS
Always wear safety glasses.
Keep hands, clothing and tools clear of the evaporator and condenser fans.
Nowork shouldbeperformedontheunit until allstart-stopswitchesare placedin the OFF position, 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 and condenser fans. Do not open the unit cover before turning
power off.
Be sure power is turned off before working on motors, controllers, solenoid valves and electrical controls. Tag circuit
breaker and power supply to prevent accidental energizing of circuit.
Donotbypassanyelectricalsafetydevices,e.g.bridginganoverload,orusinganysortofjumperwires.Problemswith
the system should be diagnosed, and any necessary repairs performed by qualified service personnel.
When performing any arc welding on the unit, disconnect all wire harness connectors from the modules in the control
box. Do not remove wire harness from the modules unless you are grounded to the unit frame with a static-safe wrist
strap.
In case of electrical fire, open circuit switch and extinguish with CO
2
(never use water).
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