... 1180 kW cooling capacity.Hermetic scroll compressor for mod. 120÷ 180, semi-hermetic screw compressor for mod. ... liquid separator, thermostatic expansion valve, high & low pressure switch. The heat pump unit is completed also with 4-way ... panel consist of: Compressor contactor, fan motor contactor, compressor isolating switch, fan protection breaker, phase sequence relay and microprocessor with ...