Final adjustment and regulating procedures, Caution, 2468 unit – SARGENT 2408 Fire Guard Electromechanical Closer-Holder User Manual
Page 2: Companion unit, Smoke detector unit
2
6
Adjust hold open angle by adjusting arm length:
Range of 85° to 115° is obtainable.
With roller assembly in hold open setting, open door
and slide insert into main arm for desired hold open.
Secure arms with 9/64" hex screw.
Main Arm
Insert
A7694C
3
Final Adjustment and Regulating Procedures
DOOR WIDTH EXTERIOR DOORS
INTERIOR DOORS
(INCHES)
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
Adjust power to allow door to close and latch.
1/8” HEX SOCKET
WRENCH
BACKCHECK
RANGE
DELAYED ACTION
RANGE
CLOSING SPEED
RANGE
LATCHING SPEED
RANGE
Install cover as shown.
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.
Adjusting door to close due to high draft conditions may exceed ADA
Standards. Consult local ordinances when fire doors are involved.
NUMBER OF TURNS OF SPRING POWER ADJUSTING NUT
Decrease
Increase
Adjusting Nut
5/8"
Insert is removable.
Place in unused
opening.
To adjust holding tension:
• Loosen 2.5mm lock down screw.
• Turn knob for desired tension.
• Retighten 2.5mm lock down
screw.
• Install cover plate with 3 screws
as shown in step 4.
+
Holding tension
adjustment
2.5mm hex lock
down screw
CAUTION
• Wire stand alone unit to appropriate power supply and fire alarm.
Earth ground wire connects to green wire
• Refer to data sticker for proper input voltage and current specifications
• Energize power supply. Current draw of .1 AMP per unit
• Open door to hold open point. Door should hold open
• Depress Holder On/Off Switch. Door should close and latch
• Depress Holder On/Off Switch to reactivate solenoids on both units
• Adjustment of spring power may be necessary to ensure proper latching
1. DISCONNECT ALL POWER BEFORE BEGINNING INSTALLATION
TO PREVENT ELECTRICAL SHOCK AND EQUIPMENT DAMAGE.
2. INSTALLER MUST BE A TRAINED, EXPERIENCED
SERVICE PERSON.
3. ALL WIRING MUST COMPLY WITH APPLICABLE LOCAL
ELECTRICAL CODES, ORDINANCES AND REGULATIONS.
4. MAXIMUM WIRE SIZE IS 18AWG.
12-2468 Unit
Do not use
GND slot of terminal block. Use Green Grounding wire.
9- Companion Unit
B
la
c
k
B
la
c
k
Wire nut
12- Smoke
Detector Unit
Yellow
Red
Black
Holder On/Off switch
Smoke detector unit
Red reset switch
Yellow
Circuit board 120VAC or
24VAC/DC (120VAC shown)
12 11
14
9
7
3
Field wiring by others
Field wiring by others
•
Companion unit is designed to work with
smoke detector unit 12-2468 only.
•
Wire companion unit to smoke detector
unit as shown on wiring diagram
•
Do not disconnect any existing wires on
smoke detector unit’s terminal strip
•
Energize power supply
•
Open doors to hold-open point. Doors should hold open
•
Depress Holder On/Off Switch on circuit board.
Doors should close and latch
•
Adjustment of spring power may be
necessary to ensure proper latching
Remove jumper and install
output connector assembly
(Part No. 63-2868) required
for this option
User supplied normally
closed momentary switch
Wiring Optional Remote Push Button
INSTALLER: LEAVE INSTRUCTIONS WITH BUILDING OWNER
Hex screw
Wire nut
12- Smoke
Detector Unit
Yellow
Red
Black
Holder On/Off switch
Smoke detector unit
Red reset switch
Yellow
Data
sticker
Terminal strip for
power input wiring
Circuit board 120VAC or
24VAC/DC (120VAC shown)
12 11
14
9
7
3
Green grounding wire
Copyright © 2008, 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.
A7694C
Copyright © 2008, 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.