Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting page 279

The pre-start-up checklist must be completed by installing contractor. For Carrier factory start-up, the pre-start-up checklist must
be submitted to the Carrier start-up team prior to arranging start-up. Please refer to the unit submittal or air balance report for air-
flow information.
PROJECT INFORMATION
Project Name _______________________________________
Address ___________________________________________
City ______________________________________________
State/Providence _________________ Zip Code __________
UNIT INFORMATION
Model Number _____________________________________
Software Version ___________________________________
INSTRUCTIONS
Check the box to verify the activity has been completed. If the activity does not apply, write N/A in the box.
Installation
 All packing materials have been removed from the unit.
 The compressor or supply fan shipping hold down brackets (if equipped) have been removed.
 The unit is free of damage. If damage exists, contact your local Carrier representative.
 The unit has been installed in accordance with the service clearances in the installation instructions.
 The supply and return ductwork have been installed per the unit installation instructions.
 The unit is within level tolerances to promote proper condensate drainage.
 The evaporator filters are installed and are clean.
 A properly sized condensate drain trap has been installed and is free from obstructions.
 All required field-installed components or accessories (hoods, sensors, ERV, etc.) have been installed.
Electrical
 The unit power feed is installed, and the phasing is correct (L1, L2, L3).
 The unit voltage and frequency have been verified to match the incoming power feed.
 The power feed wire size meets the MCA requirements on the unit nameplate.
 An overcurrent production device (fuse or breaker) has been installed upstream of the unit and is sized less than or equal to the
MOCP requirements indicated on the unit nameplate.
 A means of disconnecting and locking out electrical service at the unit has been provided.
 All electrical connections and terminals are tight; all terminals are free from corrosion.
 For high SCCR (ETO), field-provided J-type fuses have been installed before the unit terminal block.
Supply Fan
 The supply fan(s) is free from obstruction and rotates properly; set screws are tight.
 The supply fan belt has been installed and is at the proper tension.
 The supply fan pulley and motor pulley are in alignment; shipping tape removed from pulleys.
 All supply fan bearings have been inspected and verified to contain grease.
 For VAV units, pneumatic tubing with a duct pressure pickup has been installed.
 The pressure pick-up pneumatic tubing is free from obstruction or kinks.
Cooling
 The air-cooled condenser coil(s) is clean and free from obstructions and defects.
 The condenser fan motors rotate freely and are positioned correctly in the condenser housing.
 The evaporator coils are clean and free from obstructions and defects.
 The crankcase heaters are verified to be operational and will operate 24 hours prior to cooling start-up.
 For units requiring mechanical cooling below 32°F ambient, wind baffles have been installed.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480461-01
PRE-START-UP CHECKLIST FOR SUMMER (COOLING)
Printed in U.S.A.
Installer ________________________________________
Contact Name ______________________________________
Contact Phone ______________________________________
Contact Email ______________________________________
Serial Number ______________________________________
Unit Tag/Name _____________________________________
Form No. 48-50P-13T Rev.A Pg CL-1 10-23 Replaces: 48-50P-12T