Installation Instructions

NORMALLY CLOSED

FACTORY

SETTING

ROW 1

OUTER

RING

CCW

ROW 2

OUTER

RING

ROW 3

ZCxxx

Unpowered

(Spring Return)

Powered

COUPLER & DAMPER ILLUSTRATIONS

Unpowered

(Spring Return)

Powered

ZOxxx

NORMALLY OPEN

Rotating the outer ring counter clockwise will reduce the open

position to less than full open when powered. It will not affect the

un-powered close position.

Rotating the outer ring clockwise will reduce the closed position to

less than full closed on un-powered (spring-return).

It will not affect the open position on powered.

Rotating the outer ring counter-clockwise will reduce the closed

position to less than full close on powered. It will not affect the

un-powered open position.

Rotating the outer ring clockwise will reduce the open position to less

than full open on un-powered (spring-return).

It will not affect the closed position on powered.

Adjustment_Chart-1019-A01

SUNCOURT INC.

P.O. Box 40

Durant, IA 52747-0040

1.800.999.FANS (3267)

www.suncourt.com

Full Close

Partial Open Full Close

Full Open Partial Close

Full Close Full Open

Partial Close

Full Open

Full Close Partial Open

Full Open