Carrier 50PCH specifications Appendix a Wshp Screen Open Configuration, Service, Test

Page 46

APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)

SCREEN NAME

POINT NAME

PASSWORD

EDITABLE

RANGE

DEFAULT

NOTES

LEVEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Auto= Intermittant operation during both

 

 

 

 

 

 

 

occupied and unoccupied periods/

 

 

 

 

 

Auto/Continuous/

 

Continuous = Intermittant during unoccupied

 

 

Fan Mode

 

X

Continuous

periods and continuous during occupied

 

 

 

Always On

 

 

 

 

 

 

periods/Always on = fan operates

 

 

 

 

 

 

 

 

 

 

 

 

 

 

continuously during both occupied and

 

 

 

 

 

 

 

unoccupied periods

 

 

Fan On Delay

 

X

0 - 30 sec

10 sec

Defines the delay time before the fan begins

 

 

 

to operate after heating or cooling is started

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Defines the amount of time the fan will

 

 

Fan Off Delay

 

X

0 - 180 sec

45 sec

continue to operate after heating or

 

 

 

 

 

 

 

cooling is stopped

 

 

Heating Enable

 

X

Disable/Enable

Enable

Provides capability to manually

 

 

 

disable heating operation

 

 

 

 

 

 

 

 

 

Cooling Enable

 

X

Disable/Enable

Enable

Provides capability to manually

 

 

 

disable cooling operation

 

 

 

 

 

 

 

 

 

Minimum SAT in

 

X

40 - 60 ° F

50 ° F

Defines the minimum acceptable operating

 

 

Cooling

 

temperature for the Supply Air

Configuration

 

 

 

 

Maximum SAT in

 

X

80 - 140 ° F

110 ° F

Defines the maximum acceptable operating

 

 

 

 

 

Heating

 

temperature for the Supply Air

 

Admin Password

 

 

 

 

 

 

 

 

Normally set to 100% if 2 position damper

 

 

Damper Ventilation

level access only

 

 

 

 

 

X

0 - 100%

100%

type or set to minimum ventilation position if

 

Unit

Position

 

 

 

 

 

 

damper type = DCV

Configuration

 

 

 

 

 

DCV Maximum Vent

 

X

0 - 100%

100%

Usually set at 100% - Used to limit maximum

 

 

 

 

 

Position

 

damper opening in DCV mode

 

 

 

 

 

 

 

 

Filter Alarm Timer

 

X

0 - 9999 hrs

0 hrs

Disables Filter Alarm if set to 0

 

 

Pushbutton Override

 

X

Disable/Enable

Enable

Enables Override Feature on Rnet sensor

 

 

SPT Sensor Set Point

 

X

Disable/Enable

Enable

Enables Set Point adjustment capability

 

 

Adjustment

 

on Rnet Sensor

 

 

 

 

 

 

 

 

Lockout Cooling if

 

 

-65 - 80 ° F

-65 ° F

Cooling is locked out when OAT is less than

 

 

 

X

configured value and OAT is actively being

 

 

OAT <

 

 

 

 

 

 

 

broadcast

 

 

 

 

 

 

 

 

 

Lockout Heating if

 

 

35 - 150 ° F

150 ° F

Heating is locked out when OAT is greater

 

 

 

X

than configured value and OAT is actively

 

 

OAT >

 

 

 

 

 

 

 

being broadcast

 

 

 

 

 

 

 

 

 

Power Fail Restart

 

X

0 - 600 sec

60 sec

Delay before equipment starts

 

 

Delay

 

 

 

 

 

 

 

 

 

 

Occupancy Schedules

 

X

Disable/Enable

Enable

Enables unit occupied

 

 

Set Point Separation

 

X

2 - 9 ° F

4 ° F

Used to enforce minimum

 

 

 

set point separation

 

 

 

 

 

 

 

 

 

Test Mode

 

X

Disable/Enable

Disable

Used to enable test mode. Will automatically

 

 

 

reset to disable after 1 hour

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Used to test all fan speeds. Sequences fan

 

 

Fan Test

 

X

Disable/Enable

Disable

from low to high and operates each speed for

 

 

 

 

 

 

 

1 minute. Resets to disable on completion

 

 

Fan Speed

 

 

Off/Low Speed/Medium

 

Displays current fan operation

 

 

 

 

Speed/High Speed/On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Used to test compressor cooling and heating

 

 

 

 

 

 

 

operation. Sequences cooling stage 1, then

 

 

Compressor Test

 

X

Disable/Enable

Disable

stage 2, then heating stage 2 and reduces

 

 

 

 

 

 

 

capacity to stage 1. Operates for 1 minute per

 

 

 

 

 

 

 

step. Resets to disable on completion.

Configuration

 

 

 

 

 

Used to test dehumification mode -

 

Dehumidification Test

 

X

Disable/Enable

Disable

Operates for 2 minutes. Resets to

 

 

 

 

 

 

disable on completion.

 

 

 

 

 

 

 

 

 

 

Admin Password

 

Inactive/Heating/Cooling/

 

 

 

Service

Testing Compressor

 

Dehumidify/TimeGard

 

Displays compressor test mode

 

level access only

 

 

 

 

 

 

Wait

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Used to test auxiliary heat.

 

 

Aux Heating Test

 

X

Disable/Enable

Disable

Sequences fan on and enables

 

Test

 

heating coil for 1 minute. Resets to

 

 

 

 

 

 

 

 

 

 

 

 

disable on completion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Used to test entering/return air water loop

 

 

H2O Economizer Test

 

X

Disable/Enable

Disable

economizer coil operation. Sequences fan on

 

 

 

and opens economizer coil water valve for 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

minute. Resets to disable on completion

 

 

Preposition OA

 

X

Disable/Enable

Disable

Used to preposition OA damper

 

 

Damper

 

actuator to set proper preload

 

 

 

 

 

 

 

 

Open Vent

 

X

Disable/Enable

Disable

Used to test OA damper operation

 

 

Damper 100%

 

 

 

 

 

 

 

 

 

 

SAT

 

 

° F

 

Displays SAT

 

 

LCWT

 

 

° F

 

Displays Leaving Condenser

 

 

 

 

 

Water Temperature

 

 

 

 

 

 

 

 

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

 

 

 

 

 

46

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Contents Contents Safety ConsiderationsInstallation GeneralPhysical Data 50PCH,PCV Units Size A50-8695IPT A50-7842ef Electric HeatA50-8696 Side Discharge Back DischargeA50-8489 Install Condensate DrainMount the Unit A50-6260efMetal Hose Minimum Bend Radii A50-6261tfA50-6262ef Copper FPT/PVCWire Field Power Supply FittingA50-8490 RVS Sensor, Low Temperature Protection Air CoilA50-8491 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 A50-8162A50-8441 Wire Field ControlsA50-8442 Field-Supplied Sensors for Wshp Open Controller Rnet Wiring SpecificationsRnet Wiring SPT SensorsPRE-START-UP FAN Rated MIN 50PCH,PCV Blower Performance Standard Unit50PCH,PCV Blower Performance High-Static Unit PCV Speed Airflow CFMDeluxe D Control Jumper Settings Refer to , 15, Complete C Control Jumper Settings Refer toField Selectable Inputs START-UP DIP Switch Block S2 Accessory 1 Relay OptionsDIP Switch Block S2 Accessory 2 Relay Options Operating LimitsOperating Limits 50PCH,PCV Units Unit Start-Up Cooling ModeWater Temperature Change Through Heat Exchanger Cooling Heating Water Flow Rate GPM50PC012 Typical Unit Operating Pressures and Temperatures 50PC006 Typical Unit Operating Pressures and Temperatures50PC009 Typical Unit Operating Pressures and Temperatures Entering Cooling Heating Water50PC024 Typical Unit Operating Pressures and Temperatures 50PC015 Typical Unit Operating Pressures and Temperatures50PC018 Typical Unit Operating Pressures and Temperatures Temp GPM/ton Pressure Heat50PC042 Typical Unit Operating Pressures and Temperatures 50PC030 Typical Unit Operating Pressures and Temperatures50PC036 Typical Unit Operating Pressures and Temperatures Water Air Temp50PC060 Typical Unit Operating Pressures and Temperatures Unit Start-Up Heating Mode50PC048 Typical Unit Operating Pressures and Temperatures Unit Start-Up with Wshp Open ControlsA50-8444 BACview6 Display InterfacePressure 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 Deluxe D Control OperationUnits with Aquazone Complete C Control Units with Wshp Open Multiple ProtocolPage Auxiliary Modulating Hot Water/Steam Heating Reheat Complete C and Deluxe D Board System Test LED Fault Description Code Complete C Control LED Code Fault DescriptionsLED Status Description of Operation Alarm Relay Aquazone Deluxe D Control LED IndicaDescription Status LED Test LED ServiceESD A50-6286ef Refrigerant Charging’ to 4’ Air Coil Fan Motor Removal TroubleshootingA50-8163 Cooling mode FP1125 F or TroubleshootingAir temperature out of range Reduced or no airflow in heatReduced or no water flow Reduced airflow in coolingStatus Appendix a Wshp Open Screen ConfigurationAlarm Status SensorSystem Settings Appendix a Wshp Open Screen ConfigurationMaintenance ConfigurationSchedule Service Appendix a Wshp Screen Open ConfigurationTest Point Name Password Editable Range Default Level Configuration ServiceScreen Name Alarm Page Copyright 2011 Carrier Corporation 50PCH,PCV START-UP Checklist II. START-UPA50-8445 Heating Cycle AnalysisCooling Cycle Analysis 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.