Carrier 48TJD Specifications download pdf (Page 56)

START-UP CHECKLIST

MODEL NO.: SERIAL NO.:

DATE: TECHNICIAN:

PRE-START-UP

[] VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

[] VERIFY INSTALLATION OF INDOOR FAN MOTOR ADJUSTMENT BOLT AND PLATE (48TJ020-028 ONLY)

[] VERIFY INSTALLATION OF OUTDOOR-AIR HOOD

[] VERIFY INSTALLATION OF FLUE HOOD AND WIND BAFFLE

[] VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS

[] VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT

[] CHECK GAS PIPING FOR LEAKS

[] CHECK THAT FILTERS AND SCREENS ARE CLEAN AND IN PLACE

[] VERIFY THAT UNIT IS LEVEL

[] CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SETSCREW

IS TIGHT

[] VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED

[] VERIFY THAT SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION

[] VERIFY THAT CRANKCASE HEATER HAS BEEN ENERGIZED FOR 24 HOURS (SIZE 028 AND UNITS WITH

MOISTUREMISER T:'IDEHUMIDIFICATION SYSTEM ONLY)

START-UP

ELECTRICAL

SUPPLY VOLTAGE

COMPRESSOR AMPS COMPRESSOR NO. 1

COMPRESSOR NO. 2

SUPPLY FAN AMPS

LI-L2 L2-L3 L3-LI

LI L2 L3

EXHAUST FAN AMPS

TEMPERATURES

OUTDOOR-AIR TEMPERATURE

RETURN-AIR TEMPERATURE

COOLING SUPPLY AIR

GAS HEAT SUPPLY AIR

F DB (Dry-Bulb)

F DB

F WB (Wet-Bulb)

PRESSURES

GAS INLET PRESSURE

GAS MANIFOLD PRESSURE

REFRIGERANT SUCTION

REFRIGERANT DISCHARGE

IN. WG

STAGE NO. 1 IN. WG

CIRCUIT NO. 1 PSIG

STAGE NO. 2 IN. WG

CIRCUIT NO. 2 PSIG

[] VERIFY REFRIGERANT CHARGE USING CHARGING CHART ON PAGE 42.

GENERAL

[] ECONOMIZERMINIMUMVENTAND CHANGEOVERSETFINGSTOJOB REQUIREMENTS

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

Book 1 14 Catalog No. 04-53480009-01 Printed in U.S.A. Form 48TJ-22SI Pg CL-1 3-06 Replaces: 48TJ-21Sl

Tab 1a 16a

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Carrier 48TJD Specifications Page 56

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