Carrier 50PCH Appendix a Wshp Open Screen Configuration, Maintenance, System Settings, Occupancy

Page 44

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)

SCREEN NAME

POINT NAME

PASSWORD

EDITABLE

RANGE

DEFAULT

NOTES

 

 

 

LEVEL

 

 

 

 

 

 

 

 

 

Off, Fan Only,Economize,

 

 

 

 

Operating Mode

 

 

Cooling, Heating, Cont Fan, Test,

 

Displays unit operating mode

 

 

 

 

 

Start Delay, Dehumidify

 

 

 

 

Fan Operating Mode

 

 

Auto/Continuous/Always On

 

Displays how the fan is configured

 

 

 

 

 

to operate

 

 

 

 

 

 

 

 

 

Occupancy Status

 

 

Unoccupied/Occupied

 

Displays the current occupancy status

 

 

 

 

 

Always Occupied/Local Schedule/

 

 

 

 

 

 

 

BACnet Schedule/BAS Keypad/

 

Displays the origin of the

 

 

Occupancy Control

 

 

Occupied Contact/Holiday Schedule/

 

 

 

 

 

 

occupancy control

 

 

 

 

 

Override Schedule/Pushbutton

 

 

 

 

 

 

 

 

 

 

 

 

 

Override/Unoccupied None

 

 

 

 

Outside Air

 

 

° F

 

Displays OAT (Viewable only if OAT

 

 

Temperature

 

 

 

is a network broadcast)

 

 

 

 

 

 

 

 

SPT

 

 

° F

 

Displays SPT

 

 

SPT Status

 

 

Normal/Above Limit/Below

 

Displays the SPT status

 

 

 

 

Limit/Sensor Failure

 

 

 

 

 

 

 

 

 

 

SPT Sensor Status

 

 

Inactive/Connected

 

Displays the connection status

 

 

 

 

 

of the Rnet sensor

 

 

 

 

 

 

 

 

 

Condensate Overflow

 

 

Normal/Alarm

 

Displays the status of the

 

 

 

 

 

condensate overflow

 

 

 

 

 

 

 

 

 

Cooling Set Point

 

 

° F

 

Displays the actual set point

 

 

 

 

 

being used for cooling control

 

 

 

 

 

 

 

 

 

Heating Set Point

 

 

° F

 

Displays the actual set point

 

Unit

No Password

 

 

being used for heating control

 

 

 

 

 

Maintenance

 

required

 

° F

 

Displays the offset values from the Rnet

 

 

Set Point Adjustment

 

 

 

user set point adjustment that is being

 

 

 

 

 

 

 

applied to the configured set points

 

 

Auxiliary Heat Control

 

 

° F

 

Displays the calculated set point being

 

 

Set Point

 

 

 

used for auxiliary heating control

 

 

 

 

 

 

 

 

H2O Economizer

 

 

° F

 

Displays the calculated set point being

 

 

Control Set Point

 

 

 

used for economizer control

 

 

 

 

 

 

 

 

Calculated IAQ/

 

 

 

 

Displays the ventilation damper

 

 

Ventilation Damper

 

 

%

 

 

 

 

 

 

position calculated by the DCV control

 

 

position

 

 

 

 

 

 

 

 

 

 

 

 

 

Active Compressor

 

 

0/1/2

 

Displays the actual number of

 

 

Stages

 

 

 

compressor stages operating

 

 

 

 

 

 

 

 

SAT

 

 

° F

 

Displays SAT

 

 

Reset Filter Alarm

 

X

No/Yes

 

Used to reset the filter alarm timer after

 

 

 

 

the filter has been cleaned or replaced

 

 

 

 

 

 

 

 

 

Overflow Contact

 

 

Closed/Open

 

Displays the state of the condensate

 

 

 

 

 

overflow switch contact

 

 

 

 

 

 

 

 

 

Occupancy Contact

 

 

Closed/Open

 

Displays the state of the external/

 

 

 

 

 

remote occupancy input switch contact

 

 

 

 

 

 

 

 

 

 

 

 

Inactive/Occupied/

 

Provides capability to force the

 

 

BAS/Keypad Override

 

X

Inactive

equipment to operate in an

 

 

 

Unoccupied

 

 

 

 

 

 

occupied or unoccupied mode

 

 

 

 

 

 

 

 

 

OAT Input

 

 

N/A / Network

 

Displays if an OAT value is being

 

 

 

 

 

received from the Network

 

 

 

 

 

 

 

 

 

BACnet

 

X

 

 

See TPI

 

 

Keypad Configuration

 

X

 

 

Mapping

System Settings

Password

 

X

 

 

Changes password

Network

 

X

 

 

See TPI

 

 

 

 

 

 

 

BACnet Time Master

 

X

 

 

See TPI

 

 

Clock Set

 

X

 

 

Changes clock/time setting

 

 

Override Schedules

 

 

Inactive/Active Occupied

 

 

 

 

Pushbutton Override

 

 

Inactive/Active Occupied

 

 

Occupancy

Keypad Override

No Password

 

Inactive/Active Occupied/Active

 

Used to display the active and

 

Unoccupied

 

Maintenance

 

required

 

 

inactive occupancy control inputs

Schedules

 

Inactive/Active Occupied

 

 

 

 

 

 

 

 

 

Occupancy Contact

 

 

Inactive/Active Occupied

 

 

 

 

BAS on/off

 

 

Inactive/Active Occupied

 

 

 

 

Local Occupancy

 

X

Disable/Enable

Enable

 

 

 

Schedules

 

 

 

 

 

 

 

 

 

 

 

Local Holiday

User/Admin

X

Disable/Enable

Disable

Used to define which occupancy inputs

Schedule

Schedules

Password level

 

 

 

are used to determine

Configuration

Local Override

 

 

 

access

X

Disable/Enable

Disable

occupancy mode.

 

 

Schedules

 

 

 

 

 

 

 

 

 

BACnet Occupancy

 

X

Disable/Enable

Disable

 

 

 

Schedules

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

44

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Contents Contents Safety ConsiderationsInstallation GeneralPhysical Data 50PCH,PCV Units IPT A50-8695Size 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 A50-8162A50-8442 Wire Field ControlsA50-8441 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 CFMField Selectable Inputs Complete C Control Jumper Settings Refer toDeluxe D Control Jumper Settings Refer to , 15, 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 InterfaceGpm 30 F 50 F 70 F 90 F 10 C 21 C 32 C 006 009 Coaxial Water Pressure DropPressure DROP, psi kPa 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 IndicaESD ServiceDescription Status LED Test LED ’ to 4’ Refrigerant ChargingA50-6286ef A50-8163 TroubleshootingAir Coil Fan Motor Removal 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 Test Appendix a Wshp Screen Open ConfigurationService Screen Name Configuration ServicePoint Name Password Editable Range Default Level 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.

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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