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Carrier PTV specifications Typical Installation — 50PTH Unit, Unit Hanger Isolation Detail

Models: 50PTH PTV

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UNIT HANGER ISOLATION DETAIL

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

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Image 5

Carrier PTV specifications Typical Installation — 50PTH Unit, Unit Hanger Isolation Detail

Contents

SAFETY CONSIDERATIONS CONTENTSInstallation, Start-Up,and Service Instructions Step 6 — Install Condensate DrainGENERAL INSTALLATION8.Provide an unobstructed path to the unit within the closet or mechanical room. Space should be sufficient to allow removal of unit if necessary AIRFLOW CONFIGURATION Fig. 1 - 50PTH026-072Dimensional DataUNIT HANGER ISOLATION DETAIL Fig. 2 — Typical Installation — 50PTH UnitAIRFLOW CONFIGURATION Fig. 3 — 50PTV Dimensional DataAIRFLOW CONFIGURATION Fig. 4 — 50PTD Dimensional Data50PTD Unit Fig. 6 - Typical Downflow InstallationFig. 7 — Conversion Right Return Side Discharge to Back DischargeStep 4 — Mount the Unit Step 6 — Install Condensate DrainFig. 8 — Conversion Left Return Side Discharge to Back DischargeFig. 12 - Vertical Condensate Connection Fig. 10 - Horizontal Unit PitchFig. 11 — Trap Condensate Drain Fig. 13 — Typical Ground-WaterPiping Installation Table 2 — Water Quality Guidelines Step 8 — Wire Field Power SupplyTable 3 — Metal Hose Minimum Bend Radii Fig. 14 — Supply/Return Hose KitTable 4 — 50PTH,PTV,PTD Electrical Data ASTAT — Alarm Relay Contacts CC— Compressor Contactor Page LEGEND LEGEND — Alarm Relay Contacts20 LEGEND a50-836321 LEGEND 8364ASTAT Fig. 24 — WSHP Open Control a50-8571Table 5 — Field-SuppliedSensors for Table 7 — Rnet Wiring SpecificationsWSHP Open Controller Table 6 — SPT SensorsFig. 26 — Rnet Cable Wire Step 9 - Wire Field ControlsTable 8 — Rnet Wiring a50-8443Fig. 29 - Typical Accessory Wiring Fig. 27 — Low Voltage Field WiringFig. 30 — AMV Valve Wiring Fig. 31 — Taco SBV Valve WiringTable 9 — Cooling Settings Step 10 — Operate ECM Interface BoardTable 12 — Dehumidificaton Mode Settings Table 10 — Heating SettingsTable 13 — Blower Performance Data Table 14B — WSHP Open — High Fan Airflow PRE-START-UPFIELD SELECTABLE INPUTS Complete C Control Jumper SettingsDeluxe D Control Jumper Settings Table 15A - DIP Switch Block S2 Units with Modulating Hot Water Reheat HWR OptionAccessory 1 Relay Options Table 15B — DIP Switch Block S2 —Table 17 - HWR Operating Modes Operating Limits START-UPFig. 33 — HWR Schematic a50-8145 Water OutUnit Start-UpHeating Mode Unit Start-UpCooling ModeTable 19 — Water Temperature Change Through Heat ExchangerENTERING Fig. 34 — BACview6 Display Interface Unit Start-Upwith WSHP Open Controls —a50-8444 Table 24 — Coaxial Water Pressure Drop Units with Aquazone Complete C Control OPERATIONUnits with Aquazone Deluxe D Control Table 25 — Approximate Fluid Volume galUnits with WSHP Open Multiple Protocol — •Cooling is set to Enable •Damper control is configured for DCV Status and Alarm Relay Operations COMPLETE C AND DELUXE D BOARD SYSTEM TESTFault Descriptions Table 27 — Complete C Control Current LEDAquazone Deluxe D Control LED Indica SERVICE Refrigerant Charging TROUBLESHOOTINGAir Coil Fan Motor Removal Replacing the WSHP Open Controller’s BatFig. 38 — FP1 and FP2 Thermistor Location Fig. 37 — Thermistor Nominal Resistance•Low refrigerant suction pressure Table 30 — ECM Troubleshooting a50-8448 Fig. 39 — ECM Pin Connectorsa50-8447 Fig. 40 — ECM Troubleshooting Flow DiagramMoisture Check — To perform moisture check Table 32 — WSHP Troubleshooting•Arrange harnesses with “drip loop” under motor •Check if condensate drain is pluggedTable 32 — WSHP Troubleshooting cont FAULT Table 32 — WSHP Troubleshooting contLEGEND APPENDIX A — WSHP OPEN SCREEN CONFIGURATIONBAS — Building Automation System — Demand Controlled VentilationLEGEND APPENDIX A — WSHP OPEN SCREEN CONFIGURATION contBAS — Building Automation System — Demand Controlled VentilationLEGEND APPENDIX A - WSHP OPEN SCREEN CONFIGURATION contBAS — Building Automation System — Demand Controlled VentilationLEGEND APPENDIX A - WSHP SCREEN OPEN CONFIGURATION contBAS — Building Automation System — Demand Controlled VentilationLEGEND APPENDIX A — WSHP SCREEN OPEN CONFIGURATION contLEGEND APPENDIX A — WSHP SCREEN OPEN CONFIGURATION contBAS — Building Automation System — Demand Controlled VentilationPage Page Catalog No Copyright 2010 Carrier CorporationPrinted in U.S.A Form 50PT-4SIII.START-UP 50PTH,PTV,PTD START-UPCHECKLISTI.PRE-START-UP COOLING CYCLE ANALYSIS HEATING CYCLE ANALYSISFLOW RATE GPM TEMP. DIFF. DEG. F