DC inverter Heat pump KAP09/12/14 Temp: - 20c~40c Compressor- Panasonic R410a/220V/ ... , Sight glass, Pressure control, Pressure gauge, Service valve, Crank heater, oil sperator for low temperature only.Optional unit: Phrase protector Relay ... , Electric Fan speed control, Timer Relay, Main Switch, Contactor, Suction Accumulator. DC inverter Heat pump