beautypg.com

Damper actuator, For commercial two-stage burners, Adjustment instructions – Beckett Damper Actuator User Manual

Page 2: Setting the high fire air and low fire air, Setting the transition

background image

© 2004 R.W. Beckett Corporation

Form No. 61578 09/04

Printed in U.S.A.

R.W. Beckett Corporation • P. O. Box 1289 • Elyria, Ohio 44036 • (800) 645-2876 • (440) 327-1060 • FAX (440) 327-1064
R.W. Beckett Canada Ltd. • Unit 3 - 430 Laird Road • Guelph, Ontario, Canada N1G 3X7 • (800) 665-6972 • FAX (519) 763-5656

For more information, contact:

www.beckettcorp.com

Setting the High Fire Air and
Low Fire Air

Low Fire Air Set with

Blue

Cam

Adjustment Wrench

An old air setting specification of 7 is equal to 70° on the
damper position scale of this new damper actuator.
If adjusting the air settings while the burner is operating,
it is necessary to cycle the burner from High to Low Fire
or Low to High by using the lighted low fire hold switch.

Setting the Transition

Cam is disengaged

High Fire Air is set with the

Red

Cam

Adjustment Wrench

The

ORANGE CAM

sets the transition point between

Low Fire Oil and High Fire Oil.

Transition Cam is set with Screwdriver

It should be set halfway between the settings of
the

RED

Cam and the

BLUE

Cam.

After you complete your adjustments make certain the
disengaging pin has been reengaged with the damper
position set between the high fire and low fire limits.
Replace the actuator cover, making sure it is correctly
seated, and test the burner for proper firing at low fire,
high fire and in transition between low and high.

Damper Actuator

For Commercial Two-Stage Burners

Adjustment Instructions