Carrier PTV specifications Typical Installation 50PTH Unit, Aux Electric Heat Disconnect

Page 5

Field-supplied transition to minimize pressure loss

Supply Air

3/8” threaded rods

(by others)

FilterAccess

Return Air (Ductwork

not shown)

Thermostat

Wiring

Power Wiring

Stainless steel braid hose with integral “J” swivel

Unit Power

Balancing Valve (field- installed accessory)

Low Pressure Drop Water Control Valve (optional) (field-installed accessory)

Building

Loop

Insulated supply duct with at least one 90 degree elbow to reduce air noise (field-supplied)

Flexible

Connection

Field-Supplied Electric Heat (if applicable)

Unit Power Disconnect (by others)

Water Out

Water In

Aux Electric Heat Disconnect

3/8” Threaded Rod (by others)

Unit Hanger		Ball Valve with optional
(factory-	(field-installed	integral P/Tplug (typical for supply
supplied)	accessory)	and return piping) (field-installed accessory)

Vibration Isolator (white-compressor end and red-blower end)

Washer (by others)

Double Hex Nuts (by others)

Integral hanger support- pre-attached in factory

UNIT HANGER ISOLATION DETAIL

Fig. 2 — Typical Installation — 50PTH Unit

5

Image 5

Contents Safety Considerations ContentsGeneral InstallationPhysical Data 50PTH, PTV, PTD026-072 Units 50PTH026-072 Dimensional Data Aux Electric Heat Disconnect Typical Installation 50PTH Unit50PTV Dimensional Data 50PTD Dimensional Data Back Discharge Side DischargeMount the Unit Install Condensate DrainRotate Move to SideTrap Condensate Drain Horizontal Unit PitchDrains field-installed Typical Ground-Water Piping InstallationMetal Hose Minimum Bend Radii Wire Field Power SupplyWater Quality Guidelines 50PTH,PTV,PTD Electrical Data Sensor, Water Coil Freeze Protection Alarm Relay ContactsTrans RVSECM BM ECM Alarm Relay Contacts Discharge Temp Switch Relay/Contactor Coil A50-8363 8364 A50SPT LWTWshp Open Control A50-8571SPT Sensors Rnet Wiring SpecificationsField-Supplied Sensors for Wshp Open Controller Rnet Wiring Wire Field ControlsWire Terminal A50-8443A50-7764tf A50-8141A50-8441 A50-8442Dehumidificaton Mode Settings Cooling SettingsHeating Settings CFM Adjust SettingsBlower Performance Data Wshp Open High Fan Airflow PRE-START-UPWshp Open Fan Only / Low Fan and Med Fan Airflow Field Selectable Inputs Complete C Control Jumper SettingsDeluxe D Control Jumper Settings DIP Switch Block S2 Accessory 2 Relay Options DIP Switch Block S2 Accessory 1 Relay OptionsHumidistat/Dehumidistat Logic Deluxe D DIP Switch Settings Units with Modulating Hot Water Reheat HWR OptionHWR Operating Modes Mode Input OutputOperating Limits START-UPA50-8145 Water Out Operating Limits 50PTH, PTV, PTD UnitsWater Temperature Change Through Heat Exchanger Unit Start-Up Cooling ModeUnit Start-Up Heating Mode Suction Discharge Super Sub Water Air Temp A50-8444 Unit Start-Up with Wshp Open ControlsCoaxial Water Pressure Drop Unit 50PTH, PTV Water Temperature F GPMPTD 026 038 049Antifreeze Percentages by Volume Approximate Fluid Volume gal Per 100 Ft of PipeOperation Units with Aquazone Complete C ControlUnits with Wshp Open Multiple Protocol Page Page LED Status Description of Operation Alarm Relay Complete C Control LED Code Fault DescriptionsLED Fault Description Code Complete C and Deluxe D Board System TestAquazone Deluxe D Control LED Indica Alarm RelayService Refrigerant Charging TroubleshootingAir Coil Fan Motor Removal Replacing the Wshp Open Controller’s Bat80.0 90.070.0 KOhm 60.0 50.0Page Fault Description Solution ECM TroubleshootingA50-8448 ECM Pin ConnectorsA50-8447 ECM Troubleshooting Flow DiagramGood Practices Wshp TroubleshootingFault Heating Cooling Possible Cause Solution No Fault Code Shown Code 7 Auto ResettingOver/Under Voltage Performance MonitorHigh Head Pressure Temperature in HeatingLow Suction Pressure Low Discharge AirAlarm Status Appendix a Wshp Open Screen ConfigurationStatus SensorMaintenance Appendix a Wshp Open Screen ConfigurationSystem Settings ConfigurationSchedule Test Appendix a Wshp Screen Open ConfigurationService Screen Name Configuration ServicePoint Name Password Editable Range Default Level Alarm Page Page Copyright 2010 Carrier Corporation II. START-UP 50PTH,PTV,PTD START-UP ChecklistCooling Cycle Analysis Heating Cycle AnalysisA50-8449 A50-8450