Carrier 50PCH Appendix a Wshp Open Screen Configuration, Alarm Status, Sensor, Calibration

Page 43

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION

SCREEN NAME

POINT NAME

PASSWORD

EDITABLE

RANGE

DEFAULT

NOTES

LEVEL

 

 

 

 

 

 

 

 

 

 

 

 

Off, Fan Only, Economize,

 

 

 

 

Operating Mode

 

 

Cooling, Heating, Cont Fan,

 

Displays unit operating mode

 

 

 

 

 

Test, Start Delay, Dehumidify

 

 

 

 

SPT

 

 

° F

 

Displays SPT

 

 

SAT

 

 

° F

 

Displays SAT

 

 

Condenser Leaving

 

 

° F

 

Displays leaving condenser

 

 

Temperature

 

 

 

water temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

Displays entering condenser

 

 

Condenser Entering

 

 

° F

 

water temperature (Value

 

 

Temperature

 

 

 

will not update when compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

is operating)

 

 

 

 

 

Off/Low Speed/

 

 

 

 

Fan

 

 

Medium Speed

 

Displays fan speed status

 

Equipment

 

No Password

 

High Speed/On

 

 

 

Compressor Capacity

 

0 - 100%

 

Displays compressor capacity

 

Status

Required

 

 

 

 

 

 

 

Displays current damper position

 

 

 

 

 

 

 

 

 

Damper Position

 

 

0 - 100%

 

(Viewable only if Ventilation DMP

 

 

 

 

 

 

 

Type = 2 position or DCV)

 

 

H2O Economizer

 

 

0 - 100%

 

Displays position of economizer valve

 

 

 

 

 

 

 

Displays position of auxiliary

 

 

Auxiliary Heat

 

 

0 - 100%

 

reheat valve (Viewable only if Leaving

 

 

 

 

 

Air Auxiliary Heat Type = 2 position,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 stage Elect or Modulating)

 

 

Space RH

 

 

0 - 100%

 

Displays space RH% (Viewable only if

 

 

 

 

 

Humidity Sensor = Installed)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Displays if dehumidification is active

 

 

Dehumidification

 

 

Inactive/Active

 

(Viewable only if Factory

 

 

 

 

 

 

 

Dehumidification Reheat = Installed)

 

 

IAQ CO2

 

 

0 - 9999 ppm

 

Displays the space CO2 level

 

 

SPT Alarm Status

 

 

Normal/Alarm

 

Displays current space

 

 

 

 

 

temperature condition

 

 

 

 

 

 

 

 

 

 

 

 

° F

 

Displays the SPT that

 

 

Alarming SPT

 

 

 

exceeded the alarm limit (when SPT

 

 

 

 

 

 

 

alarm above is in Alarm)

 

 

 

 

 

° F

 

Displays the SPT alarm limit that was

 

 

SPT Alarm Limit

 

 

 

exceeded; causing the alarm condition

 

 

 

 

 

 

 

(when SPT alarm above is in Alarm)

 

 

 

 

 

 

 

Displays the status of the Rnet

 

 

SPT Sensor Alarm

 

 

Normal/Alarm

 

SPT sensor - ALARM is displayed

 

 

Status

 

 

 

should the sensor fail to communicate

 

 

 

 

 

 

 

 

 

 

 

 

 

with the control module

 

 

IAQ Alarm Status

 

 

Normal/Alarm

 

Current IAQ/ventilation condition

Alarm Status

Compressor Alarm

No Password

 

Normal/Alarm

 

Current compressor condition

Status

Required

 

 

 

 

 

 

 

 

 

 

SAT Alarm Status

 

 

Normal/Alarm

 

Current SAT condition

 

 

Condensate Overflow

 

 

Normal/Alarm

 

Current status of the condensate

 

 

Alarm Status

 

 

 

drain (overflow switch)

 

 

 

 

 

 

 

 

Condenser Water Tem-

 

 

Normal/Alarm

 

Current status of the

 

 

perature Alarm Status

 

 

 

condenser water

 

 

 

 

 

 

 

 

Filter Alarm Status

 

 

Normal/Alarm

 

Current filter condition

 

 

Space RH Alarm Status

 

 

Normal/Alarm

 

Current space RH condition

 

 

OAT Alarm Status

 

 

Normal/Alarm

 

Current status of the OAT

 

 

 

 

 

broadcast function

 

 

 

 

 

 

 

 

 

Airside Linkage Status

 

 

Normal/Alarm

 

Current linkage status if enabled

 

 

Condenser Water

 

 

Normal/Alarm

 

Current linkage status if enabled

 

 

Linkage

 

 

 

 

 

 

 

 

 

 

 

 

SAT

 

 

° F

 

Display SAT

 

 

SAT Offset

 

X

-9.9 - 10.0 ° F

0 ° F

Used to correct sensor reading

 

 

Leaving Condenser

 

 

° F

 

Displays Leaving Condenser

 

 

Water Temperature

 

 

 

Water Temperature

 

 

 

 

 

 

 

Sensor

Leaving CW Offset

Admin Password

X

-9.9 - 10.0 ° F

0 ° F

Used to correct sensor reading

Calibration

Rnet Sensor

level access only

 

° F

 

Displays SPT

 

 

Temperature

 

 

 

 

 

 

 

 

 

 

 

 

Rnet Offset

 

X

-9.9 - 10.0 ° F

0 ° F

Used to correct sensor reading

 

 

RH

 

 

%

 

Displays Space RH value

 

 

RH Sensor Offset

 

X

-15% - 15%

0 %

Used to correct sensor reading

 

LEGEND

 

 

 

 

 

BAS — Building Automation System

 

 

 

 

 

DCV

Demand Controlled Ventilation

 

 

 

 

 

IAQ

Indoor Air Quality

 

 

 

 

 

OAT

Outdoor Air Temperature

 

 

 

 

 

RH

Relative Humidity

 

 

 

 

 

SAT — Supply Air Temperature

 

 

 

 

 

SPT

Space Temperature

 

 

 

 

 

TPI

Third Party Integration

 

 

 

 

 

43

Image 43
Contents Safety Considerations ContentsGeneral InstallationPhysical Data 50PCH,PCV Units Size A50-8695IPT Electric Heat A50-7842efA50-8696 Back Discharge Side DischargeA50-6260ef Install Condensate DrainMount the Unit A50-8489Copper FPT/PVC A50-6261tfA50-6262ef Metal Hose Minimum Bend RadiiFitting Wire Field Power SupplyA50-8490 Reversing Valve Solenoid Sensor, Low Temperature Protection Air CoilA50-8491 RVSHpws 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 SPT Sensors Rnet Wiring SpecificationsRnet Wiring Field-Supplied Sensors for Wshp Open ControllerPRE-START-UP PCV Speed Airflow CFM 50PCH,PCV Blower Performance Standard Unit50PCH,PCV Blower Performance High-Static Unit FAN Rated MINDeluxe D Control Jumper Settings Refer to , 15, Complete C Control Jumper Settings Refer toField Selectable Inputs Operating Limits DIP Switch Block S2 Accessory 1 Relay OptionsDIP Switch Block S2 Accessory 2 Relay Options START-UPCooling Heating Water Flow Rate GPM Unit Start-Up Cooling ModeWater Temperature Change Through Heat Exchanger Operating Limits 50PCH,PCV UnitsEntering Cooling Heating Water 50PC006 Typical Unit Operating Pressures and Temperatures50PC009 Typical Unit Operating Pressures and Temperatures 50PC012 Typical Unit Operating Pressures and TemperaturesTemp GPM/ton Pressure Heat 50PC015 Typical Unit Operating Pressures and Temperatures50PC018 Typical Unit Operating Pressures and Temperatures 50PC024 Typical Unit Operating Pressures and TemperaturesWater Air Temp 50PC030 Typical Unit Operating Pressures and Temperatures50PC036 Typical Unit Operating Pressures and Temperatures 50PC042 Typical Unit Operating Pressures and TemperaturesUnit Start-Up with Wshp Open Controls Unit Start-Up Heating Mode50PC048 Typical Unit Operating Pressures and Temperatures 50PC060 Typical Unit Operating Pressures and TemperaturesBACview6 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 Wshp Open Multiple Protocol OperationUnits with Aquazone Complete C Control Units with Aquazone Deluxe D ControlPage Auxiliary Modulating Hot Water/Steam Heating Reheat Complete C and Deluxe D Board System Test Aquazone Deluxe D Control LED Indica Complete C Control LED Code Fault DescriptionsLED Status Description of Operation Alarm Relay LED Fault Description CodeDescription Status LED Test LED ServiceESD A50-6286ef Refrigerant Charging’ to 4’ Air Coil Fan Motor Removal TroubleshootingA50-8163 Reduced or no airflow in heat TroubleshootingAir temperature out of range Cooling mode FP1125 F orReduced airflow in cooling Reduced or no water flowSensor Appendix a Wshp Open Screen ConfigurationAlarm Status StatusConfiguration Appendix a Wshp Open Screen ConfigurationMaintenance System SettingsSchedule 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 ChecklistA50-8446 Heating Cycle AnalysisCooling Cycle Analysis A50-8445

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.