Unit Start-Up Checklist - Carrier Weathermaster 48P2030-100 Controls, Start-Up, Operation, Service, And Troubleshooting

Single package large rooftop units with comfortlink version 7.x controls
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NOTE: To avoid injury to personnel and damage to equipment or
property when completing the procedures listed in this start-up
checklist, use good judgment, follow safe practices, and adhere to
the safety considerations/information as outlined in preceding sec-
tions of this Controls, Start-Up, Operation, Service and Trouble-
shooting document.
MODEL NO.: _________________________________
SOFTWARE VERSION: ________________________
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 (48P ONLY)
 CHECK THAT RETURN-AIR FILTER AND OUTDOOR-AIR FILTERS ARE CLEAN AND IN PLACE
 VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES FOR PROPER CONDENSATE 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
COMPRESSOR AMPS — COMPRESSOR NO. 1 L1
COMPRESSOR AMPS — COMPRESSOR NO. 2 L1
SUPPLY FANS AMPS
*VAV fan supply amps reading must be taken with a true RMS meter for accurate readings.
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
RETURN-AIR TEMPERATURE
COOLING SUPPLY AIR
GAS HEAT SUPPLY AIR
ELECTRIC HEAT SUPPLY AIR
PRESSURES
GAS INLET PRESSURE
GAS MANIFOLD PRESSURE
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE
 _______________________VERIFY REFRIGERANT CHARGE.
Copyright 2019 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480241-01

UNIT START-UP CHECKLIST

L1-L2
__________
L2-L3
(CV)
________
(VAV)
________ *
__________ F DB (Dry Bulb)
__________ F DB _________ F WB (Wet Bulb)
__________ F
__________ F (48P ONLY)
__________ F (50P ONLY, IF EQUIPPED)
__________
IN. WG (48P ONLY)
STAGE NO. 1 ___________ IN. WG
CIRCUIT NO. 1 __________ PSIG
CIRCUIT NO. 2 __________ PSIG
Printed in U.S.A.
Form 48/50P-8T
SERIAL NO.: ______________________________________
TECHNICIAN: ____________________________________
__________
L3-L1
__________
__________
L2
__________
__________
L2
__________
EXHAUST FAN AMPS __________
STAGE NO. 2 __________IN. WG (48P ONLY)
CIRCUIT NO. 2 __________ PSIG
CIRCUIT NO. 2 __________ PSIG
Pg CL-8
L2 _________
L2 _________
8-19
Replaces: 48/50P-7T

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