Heat Controller HTS SERIES SPLIT SYSTEM, HSS manual Functional Troubleshooting

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H E AT C O N T R O L L E R , I N C . WAT E R - S O U R C E H E AT P U M P S

R e 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

R e v. : 5 J u n e , 2 0 0 8

Functional Troubleshooting

44	H e a t C o n t r o l l e r, I n c . Wa t e r - S o u r c e H e a t i n g a n d C o o l i n g S y s t e m s

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Contents Split Products This page left intentionally blank Model Nomenclature for Indoor Split Series Safety SafetyGeneral Information Equipment Selection GeneralIndoor Coil Selection HTS GeoMax GeoMax 2 HTS Air Handler Matches for ARI RatingsCFM Indoor Coil Selection For HSS R-22 UnitsAir Handler Selection Example Installation Removing Existing Condensing Unit Where ApplicableAir Handler Installation Indoor Compressor Section LocationHTS/HSS Installation Piping Installation GROUND-LOOP Heat Pump ApplicationsLow Water Temperature Cutout Setting CXM Control Ground-Loop Heat Pump ApplicationsFlushing the Earth Loop AntifreezeApproximate Fluid Volume U.S. gal. L per 100 of Pipe Fluid Volume gal liters per 100’ 30 meters PipeAntifreeze Percentages by Volume Compressor section must be sealed to prevent entryWater Quality Standards Expansion Tank and PumpWater Control Valve Flow RegulationWater Coil Low Temperature Limit Setting Water Well ConnectionsWater Quality Standards Erosion and CloggingLineset Diameters and Charge Information Refrigeration InstallationLine Set Installation Add-On Heat Pump Applications Evacuation and Charging the UnitRefrigeration Installation Evacuation Of The Lineset And Coil Charging The SystemDetermining Sub-Cooling Checking Superheat and Subcooling Determining SuperheatExample R-22 refrigerant Typical HWG Installation Indoor Compressor Section Hot Water GeneratorWater Tank Preparation HWG Water PipingWater Tank Refill Initial Start-UpHot Water Generator Module Refrigeration Installation HSS Series Electrical Data Electrical Line VoltageGeoMax 2 HTS Series Electrical Data Electrical Power Wiring Electrical HWG Wiring HWG Wiring Indoor Compressor SectionLow Water Temperature Cutout Selection Thermostat ConnectionsElectrical Low Voltage Wiring Accessory ConnectionsTwo-stage HTS Units Taco ValveThermostat Installation Two-Stage HTS PipingCXM Controls Safety Features CXM Control Water coil low temperature FP1 The FP1 thermistorAir coil low temperature FP2 The FP2 thermistor temperature Diagnostic FeaturesPage Y1, Y2, O Stage 2 cooling CXM Control Start-up OperationVariable Speed PSC Air Handler Nominal resistance at various temperatures CXM Thermostat DetailsUnit Starting and Operating Conditions Operating LimitsStarting Conditions Unit OperationUnit and System Checkout Before Powering SYSTEM, please check the followingUnit Start-up Procedure Unit Start-Up Procedure Test Mode PinsR-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