Carrier 50HQP072-120 specifications START-UP Checklist, Ii. Start-Up

Page 35

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:

 

C FLUID OUT

 

C

 

kPa

 

L/s

EXCHANGER

FLUID IN

 

 

 

 

 

HEATING CYCLE:

 

C FLUID OUT

 

C

 

kPa

 

L/s

 

FLUID IN

 

 

 

 

AIR COIL

COOLING CYCLE:

 

C

AIR OUT

 

C

 

 

 

 

 

AIR IN

 

 

 

 

 

 

 

HEATING CYCLE:

 

C

AIR OUT

 

C

 

 

 

 

 

AIR IN

 

 

 

 

 

 

CL-1

Image 35
Contents Safety Considerations ContentsGeneral InstallationPhysical Data 50HQP072-120 Units Unit Dimensions Typical Horizontal Installation Hanger Brackets Install Condensate Piping DrainRemoving Panels Supply/Return Hose Kit Install Field Power Supply WiringTypical Ground-Water Piping Installation Material Water Quality GuidelinesHpwr DPPFP1 FP2See legend and notes on SPT LWTSAT Low Voltage VA Ratings Electrical Data 50HQP072-120 Dual Point Power UnitsElectrical Data 50HQP072-120 Standard Units Jumper Locations Install Field Control WiringPRE-START-UP Airflow Blower Data 50HQP072Blower Data 50HQP096 Blower Data 50HQP120 Field Selectable Inputs Complete C Control Jumper Settings See FigDeluxe D Control Jumper Settings See Fig OAD DIP Switch Block S2 Accessory 1 Relay OptionsDIP Switch Block S2 Accessory 2 Relay Options Accessory DIP Switch Position Relay OptionsStart Up System Unit Start-Up in Cooling ModeSTART-UP Operating LimitsSize Unit Start-Up in Heating ModeCoaxial Water Pressure Drop Units with Aquazone Complete C Control Approximate Fluid Volume L Per 30 M of PipeAntifreeze Percentages by Volume OperationAquazone Deluxe D Control LED Indica System TestComplete C Control LED Code ServiceFault Descriptions Gravity Flow Method a50-8586 Air Coil Fan Motor Removal Refrigerant ChargingUnit Size Component Drive Package 50HQP Sheave AlignmentThermistor Nominal Resistance TroubleshootingFault Heating Cooling Possible Cause Solution TroubleshootingUnit Does Not Operate Page Copyright 2010 Carrier Corporation II. START-UP START-UP ChecklistCooling Cycle Analysis Heating Cycle Analysis