Carrier 48EZ(N)-A Installation Instructions Manual page 41

Comfort 13 seer single-packaged hybrid heat dual fuel system with puron (r-410a) refrigerant single and three phase 2-5 nominal tons (sizes 24-60)
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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
RETURN- -AIR TEMPERATURE
COOLING SUPPLY AIR
HEAT PUMP SUPPLY AIR__________________
GAS HEAT SUPPLY AIR
PRESSURES
GAS INLET PRESSURE
GAS MANIFOLD PRESSURE
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE
( ) 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.
Copyright 2010 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
START- -UP CHECKLIST
(Remove and Store in Job Files)
DB
DB
DB
IN. W.C.
IN. W.C.
PSIG, SUCTION LINE TEMP*
PSIG, LIQUID TEMP{
Edition Date: 09/10
WB
WB
41
Catalog No: 48EZ---08SI
Replaces: 48EZ--- 07SI

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