Friedrich QUIETMASTER 2008 Service Manual page 5

• Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel,
and sleeve on the room side of the air conditioning unit while cleaning.
• Electrical component malfunction caused by water could result in electric shock or other electrically
unsafe conditions when the power is restored and the unit is turned on, even after the exterior is dry.
• Never operate the A/C unit with wet hands.
• Use air conditioner on a single dedicated circuit within the specified amperage rating.
• Use on a properly grounded outlet only.
• Do not remove ground prong of plug.
• Do not cut or modify the power supply cord.
• Do not use extension cords with the unit.
• Follow all safety precautions and use proper and adequate protective safety aids such as: gloves,
goggles, clothing, adequately insulated tools, and testing equipment etc.
• Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
REFRIGERATION SYSTEM HAZARDS:
• Use approved standard refrigerant recovering procedures and equipment to relieve pressure before
opening system for repair.
• Do not allow liquid refrigerant to contact skin. Direct contact with liquid refrigerant can result in minor
to moderate injury.
• Be extremely careful when using an oxy-acetylene torch. Direct contact with the torch's flame or hot
surfaces can cause serious burns.
• Make sure to protect personal and surrounding property with fire proof materials.
• Have a fire extinguisher at hand while using a torch.
• Provide adequate ventilation to vent off toxic fumes, and work with a qualified assistant whenever
possible.
• Always use a pressure regulator when using dry nitrogen to test the sealed refrigeration system for
leaks, flushing etc.
• Make sure to follow all safety precautions and to use proper protective safety aids such as: gloves,
safety glasses, clothing etc.
• Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
MECHANICAL HAZARDS:
• Extreme care, proper judgment and all safety procedures must be followed when testing,
troubleshooting, handling, or working around unit with moving and/or rotating parts.
• Be careful when, handling and working around exposed edges and corners of sleeve, chassis, and
other unit components especially the sharp fins of the indoor and outdoor coils.
• Use proper and adequate protective aids such as: gloves, clothing, safety glasses etc.
• Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
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