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Controls, Start-Up, Operation, Service and ... - Climayoreo

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Copyright 2010 Carrier Corporation<br />

UNIT START-UP CHECKLIST<br />

MODEL NO.: _________________________________ SERIAL NO.: ______________________________________<br />

SOFTWARE VERSION: ________________________<br />

DATE: _______________________________________<br />

TECHNICIAN: ____________________________________<br />

PRE-START-UP:<br />

VERIFY THAT DIP SWITCH SETTINGS ARE CORRECT<br />

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT<br />

REMOVE ALL COMPRESSOR SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS<br />

VERIFY INSTALLATION OF ECONOMIZER HOOD<br />

VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES<br />

VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT<br />

CHECK GAS PIPING FOR LEAKS (48P ONLY)<br />

CHECK THAT RETURN-AIR FILTER AND OUTDOOR-AIR FILTERS ARE CLEAN AND IN PLACE<br />

VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES FOR PROPER CONDENSATE DRAINAGE<br />

CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE, AND SETSCREW IS TIGHT<br />

VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED<br />

VERIFY THAT SUCTION, DISCHARGE, AND LIQUID SERVICE VALVES ON EACH CIRCUIT ARE OPEN<br />

VERIFY THAT CRANKCASE HEATERS HAVE BEEN ON 24 HOURS BEFORE START-UP.<br />

START-UP:<br />

ELECTRICAL<br />

SUPPLY VOLTAGE L1-L2 __________ L2-L3 __________ L3-L1 __________<br />

COMPRESSOR AMPS — COMPRESSOR NO. 1 L1 __________ L2 __________ L2 _________<br />

COMPRESSOR AMPS — COMPRESSOR NO. 2 L1 __________ L2 __________ L2 _________<br />

SUPPLY FANS AMPS (CV) ________ EXHAUST FAN AMPS __________<br />

(VAV) ________ *<br />

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

TEMPERATURES<br />

OUTDOOR-AIR TEMPERATURE __________ F DB (Dry Bulb)<br />

RETURN-AIR TEMPERATURE __________ F DB__________ F WB (Wet Bulb)<br />

COOLING SUPPLY AIR __________ F<br />

GAS HEAT SUPPLY AIR __________ F (48P ONLY)<br />

ELECTRIC HEAT SUPPLY AIR<br />

PRESSURES<br />

__________ F (50P ONLY, IF EQUIPPED)<br />

GAS INLET PRESSURE __________ IN. WG (48P ONLY)<br />

GAS MANIFOLD PRESSURE STAGE NO. 1 __________ IN. WG STAGE NO. 2 __________IN. WG (48P ONLY)<br />

REFRIGERANT SUCTION CIRCUIT NO. 1 __________ PSIG CIRCUIT NO. 2__________ PSIG<br />

REFRIGERANT DISCHARGE CIRCUIT NO. 2 __________ PSIG CIRCUIT NO. 2__________ PSIG<br />

______________________ VERIFY REFRIGERANT CHARGE.<br />

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

Catalog No. 04-53480071-01 Printed in U.S.A. Form 48/50P-2T Pg CL-8 1-10 Replaces: 48/50P-1T<br />

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