Start-Up Checklist - Carrier 50EJ Installation, Start-Up And Service Instructions Manual

Single-package rooftop units electric cooling with electric heat option

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Table Of Contents

Table of Contents

MODEL NO.:

SOFTWARE VERSION (SEE FIG. 15)

DATE:

PRE-START-UP:

VERIFY THAT DIP SWITCH SETTINGS ARE CORRECT

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS

VERIFY INSTALLATION OF ECONOMIZER HOOD

VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES

VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS

VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT

CHECK THAT INDOOR-AIR FILTER IS CLEAN AND IN PLACE

VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES

CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREW

IS TIGHT

VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED

VERIFY THAT SUCTION, DISCHARGE, AND LIQUID LINE SERVICE VALVES ON EACH CIRCUIT ARE OPEN

START-UP

ELECTRICAL

SUPPLY VOLTAGE

L1-L2

COMPRESSOR AMPS — COMPRESSOR NO. 1

— COMPRESSOR NO. 2

SUPPLY FAN AMPS (CV)

(VAV)

*VAV fan supply amps reading must be taken with a true RMS meter for accurate readings.

ELECTRIC HEAT AMPS (IF SO EQUIPPED)

TEMPERATURES

OUTDOOR-AIR TEMPERATURE

RETURN-AIR TEMPERATURE

COOLING SUPPLY AIR

ELECTRIC HEAT SUPPLY AIR (IF SO EQUIPPED)

PRESSURES

REFRIGERANT SUCTION

REFRIGERANT DISCHARGE CIRCUIT NO. 1

VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGE 45