Carrier 50PEC09-18 Heating Cycle Analysis, Cooling Cycle Analysis, A50-8453, A50-8454

Page 60

HEATING CYCLE ANALYSIS

 

 

ft wg

 

SST

 

 

 

 

 

(SATURATED

 

 

 

F

 

SUCTION

 

 

 

 

TEMPERATURE)

 

 

 

 

 

- - - - -- - - - - - - - - - - - - - - - - - - -

AIR

COIL

FF

EXPANSION

COAX

VALVE

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIQUID LINE

 

 

F

 

 

 

 

F

 

 

 

 

 

ft wg

 

 

 

 

ft wg

 

 

 

WATER IN

 

WATER OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUCTION

COMPRESSOR

DISCHARGE

a50-8453

LOOK UP PRESSURE DROP IN TABLE 12 TO DETERMINE FLOW RATE

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - DOTTED LINE

COOLING CYCLE ANALYSIS

 

 

ft wg

 

SST

 

 

 

 

 

(SATURATED

 

 

 

F

 

SUCTION

 

 

 

 

TEMPERATURE)

 

 

 

 

 

- - - - - - - - - - - - - - - - CUT ALONG

AIR

COIL

FF

EXPANSION

VALVE

F

COAX

SUCTION

COMPRESSOR

DISCHARGE

a50-8454

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - DOTTED LINE

LIQUID LINE

 

F

 

 

F

 

 

ft wg

 

 

ft wg

 

WATER IN

WATER OUT

LOOK UP PRESSURE DROP IN TABLE 12

TO DETERMINE FLOW RATE

HEAT OF EXTRACTION (ABSORPTION) OR HEAT OF REJECTION =

FLOW RATE (gpm) x

 

TEMP. DIFF. (DEG. F) x

 

FLUID FACTOR* =

(Btu/hr)

SUPERHEAT = SUCTION TEMPERATURE – SATURATED SUCTION TEMPERATURE

=(DEG F)

SUBCOOLING = SATURATED CONDENSING TEMPERATURE – LIQUID LINE TEMPERATURE

=(DEG F)

*Use 500 for water, 485 for antifreeze.

97B0035N06

Copyright 2009 Carrier Corporation

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500052-01

Printed in U.S.A.

Form 50PEC-2SI

CL-2

7-09

Replaces: 50PEC-1SI

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - CUT ALONG

Image 60
Contents Contents Safety ConsiderationsInstallation General50PEC Physical Data OUT Water OUTCondensate A50-8335Water 22.2 ODA50-8337 A50-8338A50-8339 Damper Opening50PEC18 Bottom Return Cabinet Dimensions Right Hand Piping 50PEC09-15 Bottom Return Cabinet Dimensions Left Hand Piping 50PEC18 Bottom Return Cabinet Dimensions Left Hand Piping 50PEC09-15 Front Return Cabinet Dimensions Right Hand Piping 50PEC18 Front Return Cabinet Dimensions Right Hand Piping 50PEC09-15 Front Return Cabinet Dimensions Left Hand Piping A50-834550PEC18 Front Return Cabinet Dimensions Left Hand Piping A50-8347 50PEC09-15 Chassis Dimensions Front Return Optional Autoflow Valve MotorizedOptional Fused Optional Disconnect Box AutoflowOptional Motorized Water Valve Optional Autoflow50PEC18 Chassis Dimensions Front Return Wire Electrical Connections Mount UnitA50-8452 09-18A50-8327.eps A50-8328 Sensor, Water Coil Freeze ProtectionNight Low Limit Switch A50-8329Return Air Sensor Blower Motor Wiring NLL PremierLink Controller Applications with Complete C Control A50-8355 A50 8354LWT 8353 A50-8380 Wshp Open ControlWire Low Voltage Connections Electrical Data 50PEC UnitsA50-7467tf A50-8441Recommended Thermostat Wire Sizes Field-Supplied Sensors for Wshp Open ControllerSPT Sensors Install Supply and Return Piping Rnet Wiring SpecificationsRnet Wiring A50-8443PRE-START-UP Temporary Connection for Flushing System PipingAir and Water Limits Min Ambient Air Rated Ambient Air Max Ambient AirMin Entering Air Rated Entering Air, dry bulb/wet bulb Max Entering Air, dry bulb/wet bulbWater Quality Guidelines Complete C Control Jumper Settings See , 18, Deluxe D Control Jumper Settings See , 20,DIP Switch Block S2 Accessory 1 Relay Options Field Selectable InputsDIP Switch Block S2 Accessory 2 Relay Options START-UPUnit Start-Up/Cooling Operating LimitsUnit Start-Up with Wshp Open Controls BACview6 Display InterfaceCoaxial Water Pressure Drop GPMApproximate Fluid Volume gal Per 100 ft of Pipe Antifreeze Percentages by VolumeOperation Units with Aquazone Complete C ControlUnits with Wshp Open Multiple Protocol Page Complete C and Deluxe D Board System Test Complete C Control LED Code and Fault Descriptions Aquazone Deluxe D Control LED IndicaService Gravity Flow Method Troubleshooting Refrigerant ChargingAir Coil Fan Motor Removal Replacing the Wshp Open Controller’s BatTroubleshooting Fault Heating Cooling Possible Cause SolutionUnit Does Not Operate Appendix a Wshp Open Screen Configuration Alarm StatusStatus SensorAppendix a Wshp Open Screen Configuration MaintenanceSystem Settings ConfigurationOptimal Start ScheduleAppendix a Wshp Screen Open Configuration ServiceTest Configuration Service Point Name Password Editable Range Default LevelHigh Alarm Limit AlarmPage Page Copyright 2009 Carrier Corporation 50PEC Unit START-UP Checklist II. START-UPHeating Cycle Analysis Cooling Cycle AnalysisA50-8453 A50-8454