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80-9357-0140-020 (09-10)

4

Norton® is a registered trademark of Yale Security Inc., an ASSA ABLOY Group company. 
Copyright © 2005, 2010, Yale Security Inc., an ASSA ABLOY Group company. All rights reserved.
Reproduction in whole or in part without the express written permission of Yale Security Inc. is prohibited.

3000 Highway 74 East  •  Monroe, NC 28112
Tel: (877)-

  •  Fax: (800)-338-0965

www.nor tondoorcontrols.com

974-2255

ASSA ABLOY

Inverter Adjustments:

!

Based on function adjustment desired, use table above to 
determine which POT is to be adjusted.

POT

FUNCTION

DESCRIPTION

OBSTR SENS 

Obstruction Detection on Open

CW - Increase
CCW - Decrease

M/DLY

Motor Delay on Opening

CW - Increase
CCW - Decrease

P1

Motor Reversing Speed

CW - Increase
CCW - Decrease

H/O TM

Hold Open Time (5 - 30 Seconds)

CW - Increase
CCW - Decrease

P2

Push Recognition Sensitivity

CW - Increase
CCW - Decrease

H/O TQ

Motor Torque at Hold Open 
Position

CW - Increase
CCW - Decrease

ON

1

2

WARNING

120 HIGH VOLT POTENTIAL PRESENT.   MAKE 

SURE POWER IS TURNED OFF DURING 

INSTALLATION PROCEDURE.

Dip Switch Settings

1. Door Mounting - 

2. Push Recognition - 

ON - pull
OFF - push
ON - active
OFF - inactive

WARNING

Electric

Shock Risk

L2

115Y

L1

115/230VAC IN

MOTOR OUT

L2

230Y

U

V

W

STATUS LEDS

PUSH PULL

SW501

ON

H/O TQ

H/O TM

OBSTR

SENS

P1

M/DLY

P2

1

2

1

6

COM

SNS

COM

PB

K1

K2

11

JMP503

NC

NO

TB501

(Adjustments made in the shaded 

area should be performed by 

Authorized Factory Personnel.)

Inverter Details

23.  Turn circuit breaker to the “ON” position.
24.  Rotate Open position magnet until door opens to desired position.

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