CC335/CC355
SAFETY PRECAUTIONS
GENERAL SAFETY NOTICES
The following safety notices supplement warnings and cautions appearing elsewhere in this manual. The following are
recommended precautions that must be understood and applied during operation and maintenance of the equipment. Failure to
adhere to warnings and cautions may result in damage to equipment, fire, personal injury and even death.
OPERATING PRECAUTIONS
Keep hands, clothing and tools clear of the evaporator and condenser fans.
No work should be performed on the system unless battery power is disconnected.
In case of severe vibration or unusual noise, stop the system and investigate.
MAINTENANCE PRECAUTIONS
Always wear protective eye wear (safety glasses or goggles) and appropriate safety wear.
Never perform any maintenance or service on your equipment before consulting with authorized service personnel. Always unplug
unit before attempting any maintenance.
Avoid breathing any refrigerant vapor, lubricant vapor, or mist. Exposure to these, particularly PAG oil mist may irritate your eyes,
nose, or throat.
Never use compressed air (shop-air) to leak-test or pressure test a R134A system. Under certain conditions, pressurized mixtures of
R134A and air can be combustible. In addition, shop air will inject moisture into the system.
Always use mineral oil to lubricate “O” Rings, hoses, and fittings on R134A systems. PAG oils absorb moisture and become very
acidic and corrosive. Mineral oil does not absorb moisture and thus prevents corrosion. Always wear gloves when working with PAG
(Polyalkylene Glycol) and Ester (POE or Polyester) lubricants to prevent irritation to your skin. R134A lubricants can damage
vehicles paint, plastic parts, engine drive belts and coolant hoses.
Beware of unannounced starting of the evaporator and condenser fans. Do not remove the evaporator/condenser cover without
disconnecting the vehicle battery cable. Be sure power is turned off before working on motors, controllers, and electrical control
switches. Tag system controls and vehicle battery to prevent accidental energizing of the system.
In case of electrical fire, extinguish with CO2 (never use water). Disconnect vehicle battery power if possible.
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