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Unit Adjustment
Control Valve Adjustments
(See Figure 3.)
Closing Speed Controls (Figure 2A or 2B and 3.)
Valve "S" Controls Sweep Range.
Valve "L" Controls Latch Range.
Closing Power Control
Power Adjustment Chart
Maximum
Maximum
Turns
Interior
Exterior
from
Door Size
Door Size
Zero
inches / (mm)
inches / (mm)
32 / (813)
28 / (711)
5
36 / (914)
34 / (864)
8-1/2
38 / (965)
11
42 / (1067)
52 / (1321)
42 / (1067)
13-1/2
48 / (1219)
60 / (1524)
16-1/2
NOTE: Maximum of 16-1/2 turns
(360°) of Power Adjustment Nut.
DO NOT use a
power drill or
driver to turn
adjustment nut.
This will damage
closer and void
warranty.
Closing Speed Controls
Closed
Standard
2A
Closing Cycle
Adjust Closing Speed Time to between 3 to 7 seconds
90°. Use of the door by handicapped, elderly or
from
small children may require greater closing time.
Closing Speed Controls
"L" (Latch)
"S/D" (Sweep)
Standard Closer
Do not force valves
counter-clockwise out
of closer body or a fluid
leak will occur.
Copyright © 2003, 2014 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.
Figure 1
Install closer per instructions
with the proper pre-load applied
to the arm then adjust spring
power. The power adjustment
will not work properly if the
closer spring is not pre-loaded.
To increase power, use 11/16"
wrench to turn power
adjustment nut clockwise.
To decrease power, turn nut
counter clockwise.
"Spring Power
Adjustment
Nut"
-
Figure 2
Closed
Delayed Action
2B
Closing Cycle
Figure 3
"L" (Latch)
"S" (Sweep)
"S/D" (Delayed
Delayed Action
Closer
Slow
1/8"
Hex
All Valves
Key
Fast
Opening Cycle
"Backcheck" valve controls the strength of cushioning in
Backcheck Range. NEVER close this valve completely – it
is not to provide a positive stop. (see Figure 4 and Figure 5).
Opening Door Controls
Backcheck
Backcheck Position
+
1/8"
Hex
Key
Open for backcheck
later in door-opening
cycle.
Do not force valves
counter-clockwise out
of closer body or a fluid
leak will occur.
Friction Hold-Open Feature
Hold door open to opening angle desired and tighten holder-
adjustment-nut (wrench supplied) or use 1" Box or Open End
wrench.
Thumbturn Hold-Open Feature
The Thumbturn Hold-Open feature is controlled by the knob
located on the arm of the unit. Turning this knob clockwise
will engage the Hold-Open mechanism and increase the
Hold-Open force. Turning this knob counterclockwise will
reduce the Hold-Open force and disengage the Hold-Open
Action)
mechanism.
6
Opening Cycle
Backcheck Cushion
"P"
(Normally Closed)
"B"
(NEVER Close
Completely)
DECREASE - - INCREASE
Thumbturn Action
(Units suffixed "T")
ASSA ABLOY
3000 Highway 74 East • Monroe, NC 28112
Tel: (877)-
974-2255
• Fax: (800)-338-0965
www.nor tondoorcontrols.com
80-9377-2205-020 (05-14)
ASSA ABLOY
Figure 4
Figure 5
Increase
1/8"
Hex
Key
Decrease
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