Pre-Start-Up Checklist - Carrier 62X 03-35 Installation Instructions Manual

Dedicated vertical or horizontal outdoor air unit with optional energy conservation wheel

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Table of Contents

NOTE: Prior to performing start-up, the crankcase heaters must operate for 24 hours.

Cooling startup is only recommended when ambient air temperatures are above 55 F.

PROJECT INFORMATION

Job Name ______________________________________

Address ________________________________________

City __________________ State ________ Zip ________

Model Number __________________________________

PRESTART-UP CHECKLIST

 The unit is free of damage. If damage exists, contact your local Carrier representative.

 The unit power feed is installed. Voltage and phasing have been verified to be correct.

 The power feed meets the MCA requirements as indicated on the unit label.

 The power feed safeties meet the MOCP requirements as indicated on the unit label.

 All electrical connections and terminals are tight, all terminals are free from corrosion.

 All packing materials have been removed from the unit.

 All required unit accessories have been installed.

 The outdoor intake hood and screen have been installed.

 The unit leaving air temperature sensor (LAT) has been installed.

 The unit has been leak checked and has been found to be free of leaks.

 The compressor oil level is acceptable.

 The condenser fan(s) rotation is not inhibited.

 The air-cooled condenser coil is free from debris and defects (62D only).

 The water-cooled condenser piping has been installed and is free from leaks (62R only).

 The water-cooled condenser has adequate water flow and freeze protection (62R only).

 Condenser water shutoff valves and strainer have been installed in the condenser water piping (62R only).

 The gas piping has been checked for leaks and has been found to be leak free (if equipped).

 Gas shutoff valves and gas regulator have been installed and have been verified to operate properly.

 The inlet gas pressure and gas quality is sufficient for proper unit operation.

 The gas furnace condensate drain has been installed as per the unit instructions.

 The hot water or steam piping has been installed and is free from leaks (if equipped).

 The hot water/steam control valve has been installed and is operational (if equipped with hydronic heat).

 The unit steam trap has been installed (if equipped with steam heat).

 The unit filters and ECW filters (if equipped) have been installed and are clean.

 The unit is within level tolerances to promote proper condensate drainage.

 The condensate drain has been installed as the installation instructions.

 All fire dampers, VAV dampers, or auxiliary units required for proper 62 Series unit operation are functional.

 The supply and exhaust (if equipped) fan rotation is not inhibited.

 The crank case heaters have been verified to be operational and will operate 24 hours prior to start-up.

Please note if the following sensors have been installed:

 ZAT (space temperature)

 Z-RH (zone relative humidity)

 SF-DPT (supply fan static pressure)

 EF-DPT (exhaust fan static pressure)

Unit Supply Voltage

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53620021-01