Heat Controller HSS manual S i d e n t i a l S p l i t 6 0 H z R 2 2 & R 4 1 0 a

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Contents Split Products This page left intentionally blank Model Nomenclature for Indoor Split Series Safety SafetyGeneral Information GeoMax 2 HTS Air Handler Matches for ARI Ratings Equipment SelectionGeneral Indoor Coil Selection HTS GeoMaxIndoor Coil Selection For HSS R-22 Units CFMAir Handler Selection Example Indoor Compressor Section Location InstallationRemoving Existing Condensing Unit Where Applicable Air Handler InstallationHTS/HSS Installation GROUND-LOOP Heat Pump Applications Piping InstallationAntifreeze Low Water Temperature Cutout Setting CXM ControlGround-Loop Heat Pump Applications Flushing the Earth LoopCompressor section must be sealed to prevent entry Approximate Fluid Volume U.S. gal. L per 100 of PipeFluid Volume gal liters per 100’ 30 meters Pipe Antifreeze Percentages by VolumeFlow Regulation Water Quality StandardsExpansion Tank and Pump Water Control ValveWater Well Connections Water Coil Low Temperature Limit SettingErosion and Clogging Water Quality StandardsLineset Diameters and Charge Information Refrigeration InstallationLine Set Installation Evacuation and Charging the Unit Add-On Heat Pump ApplicationsRefrigeration Installation Charging The System Evacuation Of The Lineset And CoilDetermining Sub-Cooling Checking Superheat and Subcooling Determining SuperheatExample R-22 refrigerant Hot Water Generator Typical HWG Installation Indoor Compressor SectionInitial Start-Up Water Tank PreparationHWG Water Piping Water Tank RefillHot Water Generator Module Refrigeration Installation HSS Series Electrical Data Electrical Line VoltageGeoMax 2 HTS Series Electrical Data Electrical Power Wiring Thermostat Connections Electrical HWG WiringHWG Wiring Indoor Compressor Section Low Water Temperature Cutout SelectionTaco Valve Electrical Low Voltage WiringAccessory Connections Two-stage HTS UnitsTwo-Stage HTS Piping Thermostat InstallationCXM Controls Diagnostic Features Safety Features CXM ControlWater coil low temperature FP1 The FP1 thermistor Air coil low temperature FP2 The FP2 thermistor temperaturePage Y1, Y2, O Stage 2 cooling CXM Control Start-up OperationVariable Speed PSC Air Handler CXM Thermostat Details Nominal resistance at various temperaturesUnit Operation Unit Starting and Operating ConditionsOperating Limits Starting ConditionsUnit and System Checkout Before Powering SYSTEM, please check the followingUnit Start-up Procedure Test Mode Pins Unit Start-Up ProcedureR-22 HSS Compressor Section Coax Water Pressure Drop Water Temperature Change Through Heat ExchangerUnit Operating Conditions GPM 22 HSS Typical Unit Operating Pressures and Temperatures Preventive Maintenance Troubleshooting CXM Process Flow Chart Functional Troubleshooting Functional Troubleshooting Performance Troubleshooting Troubleshooting Form S i d e n t i a l S p l i t 6 0 H z R 2 2 & R 4 1 0 a 08/08