Carrier 50PTH, PTV specifications Contents, Safety Considerations

Page 1

AQUAZONE™

50PTH, PTV, PTD026-072 Two-Stage Water Source Heat Pumps with PURON® Refrigerant (R-410A)

Installation, Start-Up, and Service Instructions

 

CONTENTS

 

 

 

Page

SAFETY CONSIDERATIONS

. . .1,2

GENERAL

. . . . 2

INSTALLATION

. 2-29

Step 1 — Check Jobsite

. . . . 2

Step 2 — Check Unit

. . . . 2

•

STORAGE

 

•

PROTECTION

 

•

INSPECT UNIT

 

Step 3 — Locate Unit

. . . . 8

• FIELD CONVERSION OF DISCHARGE AIR

 

Step 4 — Mount the Unit

. . . . 9

•

HORIZONTAL UNIT

 

•

VERTICAL UNITS

 

Step 5 — Check Duct System

. . . . 9

•

SOUND ATTENUATION

 

•

EXISTING DUCT SYSTEM

 

Step 6 — Install Condensate Drain

. . . . 9

•

HORIZONTAL UNIT

 

•

VERTICAL UNITS

 

•

VENTING

 

Step 7 — Pipe Connections

. . . 10

•

WATER LOOP APPLICATIONS

 

• GROUND-WATER APPLICATIONS

 

• GROUND-LOOP APPLICATIONS

 

• INSTALLATION OF SUPPLY AND RETURN HOSE

 

KIT

 

Step 8 — Wire Field Power Supply

. . . 12

•

POWER CONNECTION

 

•

SUPPLY VOLTAGE

 

•

208-VOLT OPERATION

 

•

460-VOLT OPERATION

 

•

WSHP OPEN WIRING

 

Step 9 — Wire Field Controls

. . . 25

•

THERMOSTAT CONNECTIONS

 

•

WATER FREEZE PROTECTION

 

• AIR COIL FREEZE PROTECTION

 

•

ACCESSORY CONNECTIONS

 

•

WATER SOLENOID VALVES

 

Step 10 — Operate ECM Interface Board

. . . 27

• STANDALONE — NO DDC CONTROLS

 

•

WSHP OPEN CONTROLS

 

PRE-START-UP

.29,30

System Checkout

. . . 29

FIELD SELECTABLE INPUTS

30-33

Complete C Control Jumper Settings

. . . 30

Deluxe D Control Jumper Settings

. . . 30

Complete C Control DIP Switches

. . . 30

Deluxe D Control DIP Switches

. . . 30

Units with Modulating Hot Water Reheat

 

 

(HWR) Option

. . . 31

• STANDALONE — NO DDC CONTROLS

 

•

WSHP OPEN CONTROLS

 

•

HWR APPLICATION CONSIDERATIONS

 

•

HWR COMPONENT FUNCTIONS

 

Deluxe D Control Accessory

 

 

Relay Configurations

. . . 32

Page START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-38 Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 34 Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 34 Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 34 Unit Start-Up with WSHP Open Controls . . . . . . . . 36 Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 38

Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems . . . . . . . . . . . . . . . . 38

OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-42 Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Units with Aquazone™ Complete C Control . . . . . 39 Units with Aquazone Deluxe D Control . . . . . . . . . . 39 Units with WSHP Open Multiple Protocol. . . . . . . . 39

COMPLETE C AND DELUXE D BOARD

SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42,43

Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

WSHP Open Test Mode. . . . . . . . . . . . . . . . . . . . . . . . . . 43

Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Aquazone Deluxe D Control LED Indicators . . . . . 43

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44,45

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 44

Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Fan Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 44

Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 45

Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 45

Replacing the WSHP Open Controller’s

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 45-53 Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Control Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 WSHP Open Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Thermostatic Expansion Valves . . . . . . . . . . . . . . . . . . 46 Stopped or Malfunctioned ECM Motor. . . . . . . . . . . . 50 Moisture Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 54-59

50PTH,PTV,PTD START-UP

CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . CL-1, CL-2

IMPORTANT: Read the entire instruction manual before starting installation.

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500079-01

Printed in U.S.A.

Form 50PT-4SI

Pg 1

7-10

Replaces: 50PT-3SI

Page 1 Page 2
Image 1
Page 1 Page 2
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 InstallationWater Quality Guidelines Wire Field Power SupplyMetal Hose Minimum Bend Radii 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 A50-8571Field-Supplied Sensors for Wshp Open Controller Rnet Wiring SpecificationsSPT Sensors 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 Fan Only / Low Fan and Med Fan Airflow PRE-START-UPWshp Open High Fan Airflow Deluxe D Control Jumper Settings Complete C Control Jumper SettingsField Selectable Inputs 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 UnitsUnit Start-Up Heating Mode Unit Start-Up Cooling ModeWater Temperature Change Through Heat Exchanger 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 DiagramFault Heating Cooling Possible Cause Solution Wshp TroubleshootingGood Practices 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 Service Appendix a Wshp Screen Open ConfigurationTest Point Name Password Editable Range Default Level Configuration ServiceScreen Name Alarm Page Page Copyright 2010 Carrier Corporation II. START-UP 50PTH,PTV,PTD START-UP ChecklistCooling Cycle Analysis Heating Cycle AnalysisA50-8449 A50-8450
Top Page Image Contents