Start-Upchecklist, I. Preliminary Information | Carrier 50BV020-064

START-UP CHECKLIST

(Fill out this form on Start-Up and file in job folder)

I. PRELIMINARY INFORMATION:

50BV UNIT: MODEL NO. ____________________ SERIAL NO. ____________________

START-UP DATE: ______________________________________

II. PRE-START-UP:

VERIFY ALL SHIPPING MATERIALS HAVE BEEN REMOVED FROM THE UNIT
IS THERE ANY SHIPPING DAMAGE? ________________	IF SO, WHERE ________________
_________________________________________________________
WILL THIS DAMAGE PREVENT UNIT START-UP?	(Y/N) _______
CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT? (Y/N) _______
HAS THE GROUND WIRE BEEN CONNECTED?	(Y/N) _______
HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY? (Y/N) _______
ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY? (Y/N) _______
HAS THE CORRECT INPUT POWER PHASE SEQUENCE BEEN CONFIRMED WITH A METER? (Y/N) _______
HAS THE FAN AND MOTOR PULLEY BEEN CHECKED FOR PROPER ALIGNMENT
AND DOES THE FAN BELT HAVE PROPER TENSION?		(Y/N) _______
HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE? (Y/N) _______
ARE PROPER AIR FILTERS IN PLACE AND CLEAN?		(Y/N) _______
VERIFY THAT THE UNIT IS INSTALLED WITHIN LEVELING TOLERANCES			(Y/N) _______
CONTROLS
HAS THE DUCT STATIC PRESSURE PROBE BEEN INSTALLED?		(Y/N) _______
HAVE CONTROL CONNECTIONS BEEN MADE AND CHECKED?		(Y/N) _______
ARE ALL WIRING TERMINALS (including main power supply) TIGHT? (Y/N) _______
HAS AUTOMATIC RUN TEST BEEN COMPLETED?		(Y/N) _______
HAS THE VFD CHECKOUT BEEN COMPLETED?		(Y/N) _______

PIPING

HAVE LEAK CHECKS BEEN MADE AT COMPRESSOR, CONDENSER, EVAPORATOR, TXVs (Thermostatic Expansion Valves), SOLENOID VALVES, FILTER DRIERS, AND FUSIBLE PLUGS WITH A LEAK DETECTOR? (Y/N) _______

HAVE WATER AND STEAM VALVES BEEN OPENED (to fill piping and heat exchangers)?(Y/N) _______

HAS AIR PURGE BEEN PERFORMED? (Y/N) _______
ELECTRICAL
CHECK VOLTAGE IMBALANCE
LINE-TO-LINE VOLTS: AB		V	AC				V	BC		V
(AB + AC + BC)/3 = AVERAGE VOLTAGE =						V
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =								V
VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) =										% (IF OVER 2% VOLT-

AGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM; CALL LOCAL POWER COMPANY FOR ASSISTANCE.)

CL-1

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Carrier 50BV020-064 Start-Upchecklist, I. Preliminary Information, Ii. Pre-Start-Up, Controls, Piping, Electrical

Contents

CONTENTS Installation, Start-Upand Service InstructionsSAFETY CONSIDERATIONS GENERAL MAJOR SYSTEM COMPONENTS Constant Volume CV Units a50-7257ef INSTALLATIONStep 1 - Complete Pre-InstallationChecks Table 2 - Modular Unit Shipping Table Fig. 2 - 50BVC,J,Q020-034Dimensions Fig. 3 - 50BVE,K020-034Dimensions a50-8201 Fig. 4 - 50BVT,V,W034 High-BoyDimensions Fig. 5 - 50BVT,V,W034 Low-BoyDimensions Fig. 6 - 50BVT,V,W044-064 High-BoyDimensions Fig. 7 - 50BVT,V,W044-064 Low-BoyDimensions Fig. 8 - 50BVU,X034 High-BoyDimensions Fig. 9 - 50BVU,X034 Low-BoyDimensions Fig. 10 - 50BVU,X044-064 High-BoyDimensions Fig. 11 - 50BVU,X044-064 Low-BoyDimensions a50-7306ef NOTES 1.Dimensions in inches mm a50-7307ef NOTES 1.Dimensions in inches mm a50-8235 Shipping Weights lbSize 034 Units Size 044-064Units Table 3A - Physical Data - 50BVC,E,J,K,Q Table 3B - Physical Data - 50BVT,U,V,W,X Multiple Fan Units Fig. 15 - Typical Fan Discharge Connections for a50-7267ef a50-7138efFig. 16 - Duct Static Pressure Probe P/N 39EK20462 Fig. 18 - DHS Pressure Limit Location Fig. 19 - DHS Limit Switch P/NStep 4 - Make Piping Connections a50-8253 50BVT,V,W Units Table 5A - Condenser Pressure Drop50BVC,J,Q Units Table 5B - Condenser Pressure Drop 50BVT,U,V,W,X Units Table 6A - Hot Water Pressure Drop50BVC,E,J,K,Q Units Table 6B - Hot Water Pressure Drop a50-7270ef Step 5 - Complete Electrical ConnectionsTable 7B - Economizer Pressure Drop Curve ft wg, 50BVT,U,V,W,X Units Table 9A - Electrical Data - 50BVC,E,J,K,Q Table 9B - Electrical Data - 50BVT,U,V,W,X a50-7272ef Fig. 24 - Typical Wiring 18 to 30 Ton UnitsTwo-StageCooling Units Fig. 26 - Field Terminal Block a50-7273efTable 10 - Recommended Cables a50-7164tf a39-1867t Installation Unit Discharge Locationa50-7275ef Fig. 27 - Modular Unit VAV Control Panel 10 Kilo- ohm START-UPTable 11 - Thermistor Resistance vs Temperature Values for Supply-AirTemperature Sensor Table 13 - Fan Performance - 50BVC,E,Q020 CV Unit Start-Up Table 14 - Fan Performance - 50BVC,E,Q024 Table 15 - Fan Performance - 50BVC,E,Q028 Table 16 - Fan Performance - 50BVC,E,Q034 Table 17 - Fan Performance - 50BVT,U,V034 Table 17 - Fan Performance - 50BVT,U,V034 cont Table 18 - Fan Performance - 50BVT,U,V044 Table 19 - Fan Performance - 50BVT,U,V054 Table 19 - Fan Performance - 50BVT,U,V054 cont Table 20 - Fan Performance - 50BVT,U,V064 Table 20 - Fan Performance - 50BVT,U,V064 cont VAV Unit Start-Up a50-7425ef OMNIZONE VPAC02-06-04 Fig. 32 - LID Fig. 33 - 50BV VFD Display The LID display will show Year Table 22 - Controller Hardware Points Table 21 - Controller Set PointsTable 23 - Software Points Table 24 - Configuration Parameters Unoccupied space or return air temperature demand MAINTENANCE SERVICE Fig. 35 - Forced Circulation Method a50-186tfFig. 34 - Gravity Flow Method a50-187tf a50-7135tf Evaporator Fan Performance AdjustmentTROUBLESHOOTING Charging the System POSSIBLE CAUSE PROBLEM POSSIBLE CAUSE Table 28 - Unit TroubleshootingPROBLEM CORRECTION PROCEDURE Table 30 - Forcing an Input or Output Table 29 - CV Units LED Diagnostic CodesTable 31 - Clearing a Forced Input or Output Page Page Page Page UNIT WIRING FIELD WIRINGPage TRANS-1 FIELD WIRINGWIRE LEGEND a50-7282ef PCB2 J1 FIELD WIRING UNIT WIRING FIELD WIRINGPCB1 PCB1 FIELD WIRING LEGEND AND NOTES FOR FIG 10-08 Copyright 2008 Carrier CorporationCatalog No Form 50BV-3SI CONTROLS START-UPCHECKLISTI. PRELIMINARY INFORMATION II. PRE-START-UP III.START-UP