Carrier 48EZ(N)-A Remove and Store in Job Files, I. Preliminary Information Model No, Pressures

START-UP CHECKLIST

(Remove and Store in Job Files)

I. PRELIMINARY INFORMATION MODEL NO.:

SERIAL NO.:

DATE:

TECHNICIAN:

II. PRESTART-UP (Insert check mark in box as each item is completed)

( ) VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

( ) REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS

( ) CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

( ) CHECK GAS PIPING FOR LEAKS (WHERE APPLICABLE)

( ) CHECK THAT INDOOR (EVAPORATOR) AIR FILTER IS CLEAN AND IN PLACE

( ) VERIFY THAT UNIT INSTALLATION IS LEVEL

( ) CHECK FAN WHEEL, AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

III.START-UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS

INDOOR (EVAPORATOR) FAN AMPS

TEMPERATURES

OUTDOOR (CONDENSER) AIR TEMPERATURE							DB
RETURN-AIR TEMPERATURE						DB			WB
COOLING SUPPLY AIR		DB						WB
HEAT PUMP SUPPLY AIR__________________
GAS HEAT SUPPLY AIR
PRESSURES
GAS INLET PRESSURE	IN. W.C.
GAS MANIFOLD PRESSURE				IN. W.C.
REFRIGERANT SUCTION			PSIG, SUCTION LINE TEMP*
REFRIGERANT DISCHARGE					PSIG, LIQUID TEMP{

( ) VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS GAS HEAT TEMPERATURE RISE

TEMPERATURE RISE (See Literature) RANGE MEASURED TEMPERATURE RISE

* Measured at suction inlet to compressor

{Measured at liquid line leaving condenser.

48EZ -- A

Copyright 2010 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231	Edition Date: 09/10	Catalog No: 48EZ---08SI
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.		Replaces: 48EZ--- 07SI

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