Panasonic WH-ADC0309H3E Service Manual

Contents

Panasonic WH-ADC0309H3E Service Manual Manual pdf 145 page image

14517.2 Relationship between the Condition of the Air-to-Water HeatpumpIndoor and Outdoor Units and Pressure and Electric CurrentCondition of the Air-to-Water Heatpumpindoor and outdoor unitsHeating Mode Cooling ModeLow Pressure High Pressure Electric currentduring operation Low Pressure High Pressure Electric currentduring operationWater leakage orinsufficient water flowrate in the systemExcessive amount ofrefrigerantInefficient compressionInsufficient refrigerant(gas leakage)Outdoor heat exchangedeficiencyClogged expansion valveor Strainer Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation isstarted.