Carrier 50PCH specifications A50-8492, Hpws

Page 13

Deluxe D

13

 

 

LEGEND

 

 

 

 

 

 

 

 

 

 

 

 

 

AL

— Alarm Relay Contacts

LOC

— Loss of Charge Pressure Switch

 

 

 

 

 

 

 

 

 

 

Relay/Contactor Coil

 

BM

— Blower Motor

MV

— Motorized Valve

 

 

 

 

 

 

 

 

 

 

 

BMC

— Blower Motor Capacitor

MVES

— Motorized Valve End Switch

 

 

 

 

 

 

 

 

 

 

 

 

BR

— Blower Relay

NEC

— National Electrical Code

 

 

 

 

 

 

 

 

 

 

Condensate Pan

 

 

 

 

 

 

 

 

 

 

 

 

CB

— Circuit Breaker

P1

— Field Wiring Terminal Block

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC

— Compressor Contactor

PB

— Power Block

 

 

 

 

 

 

 

 

 

 

Solenoid Coil

 

CO

— Sensor, Condensate Overflow

RVS

— Reversing Valve Solenoid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FP1

— Sensor, Low Temperature Protection Water Coil

TRANS

— Transformer

 

 

 

 

 

 

 

 

 

 

Thermistor

 

FP2

— Sensor, Low Temperature Protection Air Coil

TXV

— Thermostatic Expansion Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HP

— High-Pressure Switch

 

Field Line Voltage Wiring

 

 

 

 

 

 

 

 

 

 

Ground

 

HPWS

— High-Pressure Water Switch

 

Field Low Voltage Wiring

 

 

 

 

 

 

 

 

 

 

Wire Nut

a50-8492

 

 

 

 

 

 

 

 

 

 

 

JW1

— Clippable Field Selection Jumper

 

 

 

 

 

 

 

 

 

 

 

 

Printed Circuit Trace

 

 

 

 

 

 

 

 

 

 

*Optional.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Optional Wiring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES:

 

 

6.

24-v alarm signal shown. For dry alarm contact, cut JW4 jumper and dry

 

1. Compressor thermally protected internally.

 

 

contact will be available between AL1 and AL2.

 

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

 

7.

Transformer secondary ground via green wire with yellow stripe from “C”

 

3. Transformer is wired to 460-v BLK/RED lead for 460-3-60 units or 575-v

 

terminal to control box.

 

 

 

 

 

 

 

 

 

 

 

 

GRY lead for 575-3-60 units. Transformer is energy limiting or may have

8.

Blower motor is factory wired for medium and high speeds. For any

 

circuit breaker.

 

 

other combination of speeds, attach black wire to the higher of the two

 

4. FP1 thermistor provides low temperature protection for water. When

 

desired speed taps at the motor. Attach the blue wire to the lower of the

 

using antifreeze solutions, cut JW3 jumper.

 

 

two desired speed taps.

 

 

 

 

 

 

 

 

 

 

 

 

5. Refer to microprocessor control, LON, or thermostat installation instruc-

9.

Blower motor is factory wired for high and low speeds. No other combi-

 

tions for wiring to the unit. Wire “Y” from thermostat to “Y1” Deluxe D

 

nation of speeds is available.

 

 

 

 

 

 

 

 

 

 

 

 

when motorized valve is not used. Thermostat wiring must be Class 1

10.

The 460-v units using an internal secondary pump will require a neutral

 

and voltage rating equal to or greater than unit supply voltage. Heat/cool

 

wire from the supply side in order to feed the accessory with 265-v.

 

thermostats not compatible with motorized water valve.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 15 — 50PCH,PCV Units with Deluxe D Controller, Three-Phase (460 V)

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Contents Safety Considerations ContentsGeneral InstallationPhysical Data 50PCH,PCV Units Size A50-8695IPT Electric Heat A50-7842efA50-8696 Back Discharge Side DischargeMount the Unit Install Condensate DrainA50-8489 A50-6260efA50-6262ef A50-6261tfMetal Hose Minimum Bend Radii Copper FPT/PVCFitting Wire Field Power SupplyA50-8490 A50-8491 Sensor, Low Temperature Protection Air CoilRVS Reversing Valve SolenoidHpws A50-8492LON A50-8493A50-8440 National Electrical Code Optional Wiring Temperature Switch8697 A50Units with Deluxe D and Wshp Open Multiple Protocol Controls 8698Wshp Open Control A50-8162 50PCH,PCV Unit Electrical DataA50-8441 Wire Field ControlsA50-8442 Rnet Wiring Rnet Wiring SpecificationsField-Supplied Sensors for Wshp Open Controller SPT SensorsPRE-START-UP 50PCH,PCV Blower Performance High-Static Unit 50PCH,PCV Blower Performance Standard UnitFAN Rated MIN PCV Speed Airflow CFMDeluxe D Control Jumper Settings Refer to , 15, Complete C Control Jumper Settings Refer toField Selectable Inputs DIP Switch Block S2 Accessory 2 Relay Options DIP Switch Block S2 Accessory 1 Relay OptionsSTART-UP Operating LimitsWater Temperature Change Through Heat Exchanger Unit Start-Up Cooling ModeOperating Limits 50PCH,PCV Units Cooling Heating Water Flow Rate GPM50PC009 Typical Unit Operating Pressures and Temperatures 50PC006 Typical Unit Operating Pressures and Temperatures50PC012 Typical Unit Operating Pressures and Temperatures Entering Cooling Heating Water50PC018 Typical Unit Operating Pressures and Temperatures 50PC015 Typical Unit Operating Pressures and Temperatures50PC024 Typical Unit Operating Pressures and Temperatures Temp GPM/ton Pressure Heat50PC036 Typical Unit Operating Pressures and Temperatures 50PC030 Typical Unit Operating Pressures and Temperatures50PC042 Typical Unit Operating Pressures and Temperatures Water Air Temp50PC048 Typical Unit Operating Pressures and Temperatures Unit Start-Up Heating Mode50PC060 Typical Unit Operating Pressures and Temperatures Unit Start-Up with Wshp Open ControlsBACview6 Display Interface A50-8444Pressure DROP, psi kPa Coaxial Water Pressure DropGpm 30 F 50 F 70 F 90 F 10 C 21 C 32 C 006 009 Units with Aquazone Complete C Control OperationUnits 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 LED Status Description of Operation Alarm Relay Complete C Control LED Code Fault DescriptionsLED Fault Description Code Aquazone Deluxe D Control LED IndicaDescription Status LED Test LED ServiceESD A50-6286ef Refrigerant Charging’ to 4’ Air Coil Fan Motor Removal TroubleshootingA50-8163 Air temperature out of range TroubleshootingCooling mode FP1125 F or Reduced or no airflow in heatReduced airflow in cooling Reduced or no water flowAlarm 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 Copyright 2011 Carrier Corporation II. START-UP 50PCH,PCV START-UP ChecklistCooling Cycle Analysis Heating 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.

One of the main features of the Carrier 50PCH is its advanced scroll compressor technology. This system consists of high-efficiency scroll compressors that optimize energy consumption while maintaining consistent cooling output. The incorporation of variable speed technology enables the chillers to adapt to fluctuating load demands, resulting in significant energy savings and reduced operational costs.

The 50PCH chillers also boast a high energy efficiency ratio (EER) and coefficient of performance (COP), ensuring compliance with stringent energy regulations and standards. They are designed with eco-friendly refrigerants, which contribute to lower greenhouse gas emissions, making them an environmentally responsible choice for modern buildings.

In addition to its energy-efficient operation, the 50PCH series is equipped with advanced controls that allow for seamless integration into building management systems. The intuitive interface facilitates monitoring and adjustment of set points, ensuring optimal comfort conditions. Furthermore, the chillers come with extensive diagnostic capabilities, enabling proactive maintenance and reducing the risk of unexpected downtime.

The robust construction of the 50PCH series enhances durability and reliability. With an all-weather aluminum cabinet, these chillers are designed to withstand harsh environmental conditions, ensuring long-term performance. The units undergo rigorous testing to meet high industry standards for quality and reliability.

Another distinguishing characteristic of the Carrier 50PCH is its whisper-quiet operation. Engineered for low sound levels, these chillers minimize noise pollution in sensitive environments, such as hospitals, schools, or residential areas.

In summary, the Carrier 50PCH series combines exceptional performance, energy efficiency, and innovative technology in a robust and reliable package. It highlights the best in modern HVAC design, making it an ideal solution for a wide array of climate control needs in commercial and institutional settings. With its advanced features and commitment to sustainability, the 50PCH is undoubtedly a leader in the air-cooled chiller market.
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