Entrematic Canada Inc.
Toll Free: 1-877-348-6837
info.ditec.ca@entrematic.com
www.ditecentrematic.ca
Entrematic USA Inc.
Toll Free: 1-866-901-4284
info.ditec.us@entrematic.com
www.ditecentrematic.us
5.9 General adjustment
1 Set the hold open time with the potentiometer on the control unit.
2 Adjust the opening speed (OPSP) to comply with ANSI A156.19. Turning clockwise increases the speed.
3 Adjust the closing speed (CLSP) to comply with ANSI A156.19. Turning counterclockwise decreases the speed
4 Connect the required activation units.
5 Check that the installation complies with AHJ (Authority Having Jurisdiction).
5.10 Reducing / Increasing the “Spring pre-tension” (SPTE)
The spring pre-tension is factory set to 210° and is normally not necessary to adjust. If adjustment has to be carried out
see below.
1 Loosen the door stop arm. Remove if fitted on the topside, slide down if fitted on the bottom.
2 Turn the potentiometer for spring pre-tension (SPTE) clockwise until the door opens to 45°.
3 Loosen the drive arm fixing screw.
4 Moving the door towards open position, reduces the tension, or,
moving the door towards closed position, increases the tension.
5 Tighten the drive arm.
6 Turn the potentiometer SPTE to 0°.
7 Open the door to required open position, plus approx. 5/8" [15 mm], by turning the potentiometer SPTE clockwise.
8 Mount the door stop arm as close as possible to the open door stop block, fine adjust with the screw if necessary.
9 Turn the potentiometer SPTE to 0°.
10 Push the learn button.
11 Let the door do the learn cycle without touching it.
Max. allowable spring pre-tension is 210°. Over-tension
may damage the spring or overheat the motor.
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