Carrier 48AJ User Manual

Page 117

Advertising
background image

CL-1

START-UP CHECKLIST

MODEL NO.: _________________________________

SERIAL NO.: ______________________________________

SOFTWARE VERSION (SEE FIG. 27): ____________

TECHNICIAN: ____________________________________

DATE: _______________________________________

PRE-START-UP:

… VERIFY THAT DIP SWITCH SETTINGS ARE CORRECT
… VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
… REMOVE ALL COMPRESSOR SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS
… VERIFY INSTALLATION OF ECONOMIZER HOOD
… VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES
… VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
… CHECK GAS PIPING FOR LEAKS
… CHECK THAT RETURN-AIR FILTER AND OUTDOOR-AIR FILTERS ARE CLEAN AND IN PLACE
… VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES FOR PROPER CONDENSER DRAINAGE
… CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE, AND SETSCREW IS TIGHT
… VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
… VERIFY THAT SUCTION, DISCHARGE, AND LIQUID SERVICE VALVES ON EACH CIRCUIT ARE OPEN
… VERIFY THAT CRANKCASE HEATERS HAVE BEEN ON 24 HOURS BEFORE START-UP.

START-UP:

ELECTRICAL
SUPPLY VOLTAGE

L1-L2

__________

L2-L3

__________

L3-L1

__________

COMPRESSOR AMPS — COMPRESSOR NO. 1 L1

__________

L2

__________

L2 _________

COMPRESSOR AMPS — COMPRESSOR NO. 2 L1

__________

L2

__________

L2 _________

SUPPLY FANS AMPS

(CV)

________

EXHAUST FAN AMPS __________

(VAV)

________ *

*VAV fan supply amps reading must be taken with a true RMS meter for accurate readings.
TEMPERATURES
OUTDOOR-AIR TEMPERATURE

__________ F DB (Dry Bulb)

RETURN-AIR TEMPERATURE

__________ F DB__________ F WB (Wet Bulb)

COOLING SUPPLY AIR

__________ F

GAS HEAT SUPPLY AIR

__________ F

PRESSURES
GAS INLET PRESSURE

__________

IN. WG

GAS MANIFOLD PRESSURE

STAGE NO. 1 __________ IN. WG

STAGE NO. 2 __________ IN. WG

REFRIGERANT SUCTION

CIRCUIT NO. 1 __________ PSIG

CIRCUIT NO. 2__________ PSIG

REFRIGERANT DISCHARGE

CIRCUIT NO. 2 __________ PSIG

CIRCUIT NO. 2__________ PSIG

… VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGES 93 AND 94.

Advertising
This manual is related to the following products: