York YD480 Series Installation Manual page 38

R-410a 30 - 50 ton 60 hertz

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Create a cooling demand at the Thermostat, BAS System or Smart Equipment™

Verify that cooling/economizer stages are energized.

Create a heating demand at the Thermostat, BAS System or Smart Equipment™

Verify that heating stages are energized.

Verify that motor speed modulates with duct pressure change.

Verify that all operational control set points have been set to desired value

Scroll through all setpoints and change as may be necessary to suit the occupant requirements.

Verify that all option parameters are correct

Scroll through all option parameters and ensure that all installed options are enabled in the software and all

others are disabled in the software. (Factory software settings should match the installed options)

Verify that all access panels have been closed and secured

Save a backup file from the unit control board onto a USB flash drive.

OBSERVED PRODUCT DEFICIENCIES & CONCERNS:

________________________________________________________________________________________________________

Subject to change without notice. Printed in U.S.A.

OPERATIONAL MEASUREMENTS - STAGING CONTROLS

Verify Proper Operation of Heating/Cooling Staging Controls

Verify Proper Operation of the Variable Frequency Drive (If Required)

FINAL - INSPECTION

York International Corporation

Norman, OK 73069

5005 York Drive

5012886-YIM-B-0517

Supersedes: 5012886-YIM-A-0215

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