Carrier 50VS specifications START-UP Checklist, Ii. Start-Up

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START-UP CHECKLIST

 

CUSTOMER:___________________________

JOB NAME: _______________________________________

MODEL NO.:___________________________

SERIAL NO.:____________________

DATE:_________

I.PRE-START-UP

DOES THE UNIT VOLTAGE CORRESPOND WITH THE SUPPLY VOLTAGE AVAILABLE? (Y/N)

HAVE THE POWER AND CONTROL WIRING CONNECTIONS BEEN MADE AND TERMINALS TIGHT? (Y/N)

HAVE WATER CONNECTIONS BEEN MADE AND IS FLUID AVAILABLE AT HEAT EXCHANGER? (Y/N)

HAS PUMP BEEN TURNED ON AND ARE ISOLATION VALVES OPEN? (Y/N)

HAS CONDENSATE CONNECTION BEEN MADE AND IS A TRAP INSTALLED? (Y/N) IS AN AIR FILTER INSTALLED? (Y/N)

II.START-UP

IS FAN OPERATING WHEN COMPRESSOR OPERATES? (Y/N)

IF 3-PHASE SCROLL COMPRESSOR IS PRESENT, VERIFY PROPER ROTATION PER INSTRUCTIONS. (Y/N)

UNIT VOLTAGE — COOLING OPERATION

PHASE AB VOLTS

PHASE BC VOLTS

 

 

PHASE CA VOLTS

 

 

(if 3 phase)

 

 

 

(if 3 phase)

PHASE AB AMPS

 

PHASE BC AMPS

 

 

 

PHASE CA AMPS

CONTROL VOLTAGE

(if 3 phase)

 

 

 

(if 3 phase)

 

 

 

 

 

 

 

IS CONTROL VOLTAGE ABOVE 21.6 VOLTS? (Y/N)

 

.

 

 

IF NOT, CHECK FOR PROPER TRANSFORMER CONNECTION.

TEMPERATURES

FILL IN THE ANALYSIS CHART ATTACHED.

COAXIAL HEAT

COOLING CYCLE:

 

F

FLUID OUT

 

F

 

PSI

 

FLOW

EXCHANGER

FLUID IN

 

 

 

 

 

HEATING CYCLE:

 

F

FLUID OUT

 

F

 

PSI

 

FLOW

 

FLUID IN

 

 

 

 

AIR COIL

COOLING CYCLE:

 

F

AIR OUT

 

F

 

 

 

 

 

AIR IN

 

 

 

 

 

 

 

HEATING CYCLE:

 

F

AIR OUT

 

F

 

 

 

 

 

AIR IN

 

 

 

 

 

 

CL-1

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Contents General ContentsSafety Considerations Physical Data 50VS Unit Installation50VSM,N Dimension a Water Coil Unit ConnectionDRAINa50-8295 50VSE,F 50VSG,H10 x Dimensional DataA50-8291 14 x A50-8296Cabinet 16 xA50-8297 A50-8298A50-8300 A50-8301 A50-8299Install Cabinet and Riser Framing Rough-In Detail A50-8331.epsSystem Expansion Loops A50-833210 F 15 F 20 F 25 F Antifreeze Percentages by VolumeMinimum Temperature for LOW Type Temperature ProtectionRECIRCULATING† Water Quality GuidelinesCondition Closed Open Loop and Recirculating Well Chassis Electrical Data 50VS Unit Wire Field Power Supply ConnectionsA50-8352 Typical 50VS Unit Control WiringMaximum RUN Unit to Wire Field Control ConnectionsInstall Hose Kit Recommended Wire Gage Low Voltage ThermostatHose Diameter Bend Allowance Install Chassis into the CabinetInstall Return Panel A50-8293Supply Grille Sizes and Arrangements Install Supply GrillePRE-START-UP A50-8302.epsField Selectable Inputs DIP Switch Settings and OperationSystem Checkout START-UP Standard 24-vac Sequence of Operation20-26 10-17 Systems at 1.5 gpm per ton Temperature Change Through Heat ExchangerOperating Limits Water Flow GPM Rise Drop Cooling F Heating FTroubleshooting ServiceWater Coil Maintenance LED1 LED2 LED3 LED4 TroubleshootingII. START-UP START-UP ChecklistCooling Cycle Analysis Heating Cycle Analysis