502W12 Installation Manual Brandname: Water Furnace Category: Heat Pump Total Pages: 32 Table of contents TableofContents3ModelNomenclature4FieldConnectedWaterPiping6TypicalApplicationPiping8WaterQuality9DimensionalData10ElectricalData11WiringSchematicsCont12WiringSchematicsCont13WiringSchematicsCont14WiringSchematicsCont15WiringSchematicsCont16ControlFeatures18ControlFeaturesCont19SequenceofOperation20UnitDisplayandInterface21Legend24OperatingParameters25ThermistorResistance26HeatingCycleAnalysis27Troubleshooting29ServicePartsList30RevisionGuide31