901-10113 - 8 - 9/16/2024
2.1.2 Electrical Precautions
WARNING: Disconnect unit from grid power (if equipped) before servicing or inspecting any
part of the unit.
CAUTION: If doing electric arc welding on any part of the vehicle, ensure that the welding
current will not pass through any portion of the refrigeration system or its wiring. It is best to
disconnect and isolate the vehicle’s negative battery terminal before welding.
2.1.3 Refrigerant Precautions
Although fluorocarbon refrigerants are classified as safe, observe caution when working with
refrigerants or around areas where they are being used in the servicing of your unit.
DANGER: In the presence of an open flame or electrical short, fluorocarbon refrigerants can
produce toxic gases. These gases are severe respiratory irritants capable of causing death.
DANGER: Do not inhale refrigerant vapors. Use caution when working in a confined area with a
limited air supply. Fluorocarbon refrigerants tend to displace air and can cause oxygen
depletion which could result in death by suffocation. Provide adequate ventilation.
WARNING: Fluorocarbon refrigerants evaporate rapidly, freezing anything they contact if
accidentally released into the atmosphere from the liquid state.
2.1.4 Refrigerant Oil Precautions
WARNING: Always wear safety glasses or goggles to protect eyes from contact with refrigerant
oil.
WARNING: Protect skin and clothing from prolonged or repeated contact with refrigerant oil.
Rubber gloves are recommended.
WARNING: Wash thoroughly immediately after handling refrigerant oil to prevent irritation.
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