INSTALLATION INSTRUCTIONS 351 EHTD Electromechanical Closer-Holder Device – DOUBLE EGRESS

SARGENT

ASSA ABLOY

CAUTION: FAILURE TO INSTALL OR ADJUST PROPERLY MAY RESULT IN INJURY OR DAMAGE. For assistance contact SARGENT at 800-810-WIRE (9473) or www.sargentlock.com

NOTE: AN AUXILIARY DOOR STOP IS REQUIRED AT HOLD OPEN

Right Hand Shown

A CAUTION:

• 1. DISCONNECT ALL POWER BEFORE INSTALLATION
• 2. ALL WIRING TO BE PERFORMED BY QUALIFIED PERSONNEL TO COMPLY WITH ALL APPLICABLE LOCAL CODES.
• 3. MAXIMUM WIRE SIZE IS 18 AWG.
• Use template from page 3; drill and tap door and frame for 12-24 machine screws and prepare hole for conduit. Do not drill through channel, as damage will occur voiding warranty.
• 2 Install closer body to door with spring power nut away from hinge. Spring Power Nut

Attach conduit adapter to track with nut provided. Secure cable or conduit (by others) per local codes.

351 closers are non-handed, RH must be on top for right hand doors and LH must be on top for left hand doors.

4 Secure track to frame with electronics toward hinge with screws provided. Install hole plugs into exposed holes in track.

Connect 24VDC/VAC to terminal block marked "+", "-" and "GND" (if applicable). (NOTE: GND used if AC is used.)

Wire through fire alarm contact OR optional "Remote Release" switch if used.

in door opening solutions

Use screw and washer to secure main arm to spindle with index mark as shown.

Copyright © 2009, Sargent Manufacturing Company, an ASSA ABLOY Group company. All rights reserved. Reproduction in whole or in part without the express written permission of Sargent Manufacturing Company is prohibited.

Adjust hold open angle by adjusting arm length:

Range of 85° to 110° is obtainable. Open door and slide insert into main arm for desired hold open. Secure arms with 9/64" hex screw.

2.5mm HEX lock down screw

Final Adjustment and Regulating Procedures

To adjust holding tension:

• Loosen 2.5mm lock down screw
• Turn knob for desired tension
• Retighten 2.5mm lock down screw

Closing and latching speeds:

Turn valves clockwise to slow down or counterclockwise to speed up door movement.

Backcheck:

Turn valve clockwise to increase or counterclockwise to decrease.

CAUTION: SET VALVE FOR SLIGHT CUSHIONING EFFECT; CLOSER CAN BE DAMAGED IF THE CHECKING ACTION IS TOO ABRUPT. NEVER USE THE BACKCHECK AS A DOOR STOP. ALWAYS USE A DOOR STOP TO STOP THE DOOR.

Delayed action feature (optional feature):

When provided, turn valve clockwise to slow down or counterclockwise to speed up door movement.

Adjust power to allow door to close and latch.

NUMBER OF TURNS OF SPRING POWER ADJUSTING NUT
Door Width (Inches)	Exterior Doors	b. Interior Doors
24-30	TURN nut 1-3 (	TURN nut 1-3 (
30-36	FACTORY SET	FACTORY SET
36-42	TURN nut 1-4 🎾	TURN nut 1-3 🎾
42-48	TURN nut 7-9 )	TURN nut 4-6 🕽

Adjusting door to close due to high draft conditions may exceed ADA standards. Consult local ordinances when fire doors are involved.

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