Carrier 50PCH specifications A50-8491, Rvs, Reversing Valve Solenoid

Page 12

Deluxe D

12

 

 

LEGEND

AL

— Alarm Relay Contacts

LOC

— Loss of Charge Pressure Switch

BM

— Blower Motor

MV

— Motorized Valve

BMC

— Blower Motor Capacitor

MVES

— Motorized Valve End Switch

CB

— Circuit Breaker

NEC

— National Electrical Code

CC

— Compressor Contactor

P1

— Field Wiring Terminal Block

CO

— Sensor, Condensate Overflow

RVS

— Reversing Valve Solenoid

FP1

— Sensor, Low Temperature Protection Water Coil

TRANS

— Transformer

FP2

— Sensor, Low Temperature Protection Air Coil

TXV

— Thermostatic Expansion Valve

HP

— High-Pressure Switch

 

Field Line Voltage Wiring

HPWS — High-Pressure Water Switch

 

 

Field Low Voltage Wiring

HWTS

— High Leaving Water Temperature Switch

 

JW1

— Jumper, Alarm

 

Printed Circuit Trace

*Optional.

 

 

Optional Wiring

Relay/Contactor Coil

Condensate Pan

Solenoid Coil

Thermistor

Ground

Wire Nut

NOTES:

1.Compressor thermally protected internally.

2.All wiring to the unit must comply with NEC and local codes.

3.Transformer is wired to 208-v RED lead for 208-3-60 units. For 230-3-60, switch RED and ORG leads at L1 and insulate RED lead. Transformer is energy limiting or may have circuit breaker.

4.FP1 thermistor provides freeze protection for water. When using anti- freeze solutions, cut JW3 jumper.

5.Refer to microprocessor control, LON, or thermostat installation instruc- tions for wiring to the unit. Wire “Y” from thermostat to “Y1” Deluxe D

a50-8491

when motorized valve is not used. Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage. Heat/cool thermostats not compatible with motorized water valve.

6.24-v alarm signal shown. For dry alarm contact, cut JW4 jumper and dry contact will be available between AL1 and AL2.

7.Transformer secondary ground via green wire with yellow stripe from “C” terminal to control box.

8.Blower motor is factory wired for medium and high speeds. For any other combination of speeds, attach black wire to the higher of the two desired speed taps and the blue wire to the lower of the two desired speed taps.

Fig. 14 — 50PCH,PCV Units with Deluxe D Controller, Three-Phase (208/230 V)

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Contents Contents Safety ConsiderationsInstallation GeneralPhysical Data 50PCH,PCV Units A50-8695 SizeIPT A50-7842ef Electric HeatA50-8696 Side Discharge Back DischargeInstall Condensate Drain Mount the UnitA50-8489 A50-6260efA50-6261tf A50-6262efMetal Hose Minimum Bend Radii Copper FPT/PVCWire Field Power Supply FittingA50-8490 Sensor, Low Temperature Protection Air Coil A50-8491RVS Reversing Valve SolenoidA50-8492 HpwsA50-8493 LONNational Electrical Code Optional Wiring Temperature Switch A50-8440A50 86978698 Units with Deluxe D and Wshp Open Multiple Protocol ControlsWshp Open Control 50PCH,PCV Unit Electrical Data A50-8162Wire Field Controls A50-8441A50-8442 Rnet Wiring Specifications Rnet WiringField-Supplied Sensors for Wshp Open Controller SPT SensorsPRE-START-UP 50PCH,PCV Blower Performance Standard Unit 50PCH,PCV Blower Performance High-Static UnitFAN Rated MIN PCV Speed Airflow CFMComplete C Control Jumper Settings Refer to Deluxe D Control Jumper Settings Refer to , 15,Field Selectable Inputs DIP Switch Block S2 Accessory 1 Relay Options DIP Switch Block S2 Accessory 2 Relay OptionsSTART-UP Operating LimitsUnit Start-Up Cooling Mode Water Temperature Change Through Heat ExchangerOperating Limits 50PCH,PCV Units Cooling Heating Water Flow Rate GPM50PC006 Typical Unit Operating Pressures and Temperatures 50PC009 Typical Unit Operating Pressures and Temperatures50PC012 Typical Unit Operating Pressures and Temperatures Entering Cooling Heating Water50PC015 Typical Unit Operating Pressures and Temperatures 50PC018 Typical Unit Operating Pressures and Temperatures50PC024 Typical Unit Operating Pressures and Temperatures Temp GPM/ton Pressure Heat50PC030 Typical Unit Operating Pressures and Temperatures 50PC036 Typical Unit Operating Pressures and Temperatures50PC042 Typical Unit Operating Pressures and Temperatures Water Air TempUnit Start-Up Heating Mode 50PC048 Typical Unit Operating Pressures and Temperatures50PC060 Typical Unit Operating Pressures and Temperatures Unit Start-Up with Wshp Open ControlsA50-8444 BACview6 Display InterfaceCoaxial Water Pressure Drop Pressure DROP, psi kPaGpm 30 F 50 F 70 F 90 F 10 C 21 C 32 C 006 009 Operation Units with Aquazone Complete C ControlUnits with Aquazone Deluxe D Control Units with Wshp Open Multiple ProtocolPage Auxiliary Modulating Hot Water/Steam Heating Reheat Complete C and Deluxe D Board System Test Complete C Control LED Code Fault Descriptions LED Status Description of Operation Alarm RelayLED Fault Description Code Aquazone Deluxe D Control LED IndicaService Description Status LED Test LEDESD Refrigerant Charging A50-6286ef’ to 4’ Troubleshooting Air Coil Fan Motor RemovalA50-8163 Troubleshooting Air temperature out of rangeCooling mode FP1125 F or Reduced or no airflow in heatReduced or no water flow Reduced airflow in coolingAppendix a Wshp Open Screen Configuration Alarm StatusStatus SensorAppendix a Wshp Open Screen Configuration MaintenanceSystem Settings ConfigurationSchedule Appendix a Wshp Screen Open Configuration ServiceTest Configuration Service Point Name Password Editable Range Default LevelScreen Name Alarm Page Copyright 2011 Carrier Corporation 50PCH,PCV START-UP Checklist II. START-UPHeating Cycle Analysis Cooling Cycle AnalysisA50-8445 A50-8446

50PCH specifications

The Carrier 50PCH is a cutting-edge series of air-cooled chillers designed to deliver exceptional cooling performance in a wide range of commercial applications. Engineered with efficiency and reliability in mind, the 50PCH stands out for its innovative technologies and robust construction, making it a preferred choice for facility managers and HVAC professionals.

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