| Refrigeration Cycle |

Instructions (R-134a) When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite.
Refrigerant System Service Basics (R-134a) Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.
Components and positions Components Circuit diagram Circuit Diagram Repair procedures Removal Handling wireless charging system parts by wet hands may cause electric shock.
Description and operation Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engi