Honeywell Excel 10 Quick Manual Download

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74-3965

Minimum Airflow Setpoint too Close to
Maximum Airflow Setpoint

Decrease the value of the Minimum Airflow setpoint

and repeat the minimum airflow balance procedure.

Airflow Velocity Less Than 200 fpm

Check the velocity at the minimum airflow setpoint. If

the minimum airflow velocity is at or below 200 fpm, try

increasing the minimum airflow setpoint.

Airflow Sensor

If there are issues in the minimum airflow balancing,

one possible area to check is the operation of the

airflow sensor itself.

Summary of Contents for Excel 10

Page 1: ... VAV Air Balancers Contractors and Honeywell Technicians balancing the Excel 10 VAV II family of controllers using E vision LONSPEC or the hand held tool The guide covers general troubleshooting tips rules of thumb and step by step guides of these tools The guide is not intended to replace the Excel 10 VAV software tools User Guides but rather to act as a supplement ...

Page 5: ...irflow balance procedure Airflow Velocity Less Than 200 fpm Check the velocity at the minimum airflow setpoint If the minimum airflow velocity is at or below 200 fpm try increasing the minimum airflow setpoint Airflow Sensor If there are issues in the minimum airflow balancing one possible area to check is the operation of the airflow sensor itself ...

Page 6: ...ng this task See S7751A Hand Held Tool II Product Data Form 74 3031 START PLUG HHT2 INTO LONWORKS NETWORK ACCESS LOCATION TURN ON HHT2 SELECT HHT2 FUNCTION SELECT CHANGE AUTHORIZATION SELECT BALANCE VAV2 PRESS TOP MENU BUTTON ENTER AAAA SELECT EXCEL 10 SELECT EXCEL 10 TO BE BALANCED THROUGH ENTERING NODE NEURON ID OR IF A NON NETWORKED CONTROLLER USE STANDALONE ID A ...

Page 7: ...TER MEASURED VALUE IN CFM AND PRESS ENTER HAS AIRFLOW STABILIZED INDICATED BY THE HHT2 BEEP YES NO SELECT MINIMUM CHECK TROUBLESHOOTING AND RULES OF THUMB MAKE CORRECTIONS ENTER MEASURED VALUE IN CFM AND PRESS ENTER HAS AIRFLOW STABILIZED INDICATED BY THE HHT2 BEEP YES NO PRESS ANY KEY THEN SELECT BALANCE VAV2 A ...

Page 8: ...mmissioning and flow table download steps must be completed before starting this task See LONSPEC User Guide Form 74 2937 LAUNCH LONSPEC VAV II PLUG IN HIGHLIGHT HONEYWELL VAV2 CALIBRATE AND SELECT OK SELECT FLOW CALIBRATION TAB ON THE SENSOR CALIBRATION SCREEN FOR XL10 VAV2 START A ...

Page 9: ...MAXIMUM AIR BALANCE CLICK THE START BUTTON UNDER THE ACTION WINDOW SELECT MINIMUM STOP HAS MEASURED FLOW BOX TURNED WHITE YES STABLE FLOW IS NOT YET REACHED NO ENTER STABLE FLOW MEASURED VALUE MINIMUM AIR BALANCE CLICK THE START BUTTON HAS MEASURED FLOW BOX TURNED WHITE YES STABLE FLOW IS NOT YET REACHED NO A ...

Page 10: ...rting this task See E Vision User Guide Form 74 2588 DOUBLE CLICK E VISION SELECT A VAV II CONTROLLER FROM THE NETWORK DIAGRAM FROM THE CALIBRATION DIALOG BOX CLICK THE MAXIMUM BUTTON CLICK MENU ITEM CONTROLLER AND THEN CLICK CALIBRATE MAXIMUM AIR BALANCE ENTER MEASURED FLOW IN CFM AND THEN CLICK CALIBRATE STABLE FLOW REACHED NO YES START A ...

Page 11: ...NEW VALUES FOR THE MAX AND MIN FLOW SETPOINTS MINIMUM AIR BALANCE A ENTER MEASURED FLOW IN CFM AND THEN CLICK CALIBRATE STABLE FLOW REACHED NO YES FROM THE CALIBRATION DIALOG BOX CLICK THE MINIMUM BUTTON FROM THE CALIBRATION DIALOG BOX CLICK THE SETPOINTS BUTTON ...

Page 12: ... U S A on recycled paper containing at least 10 post consumer paper fibers Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 LONSPEC is a trademark of Echelon Corporation ...