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GT208300-8350OverheadConcealedOperatorInstallationManual
Rev 8-31-16
P/N C-00183
SECTION 12 .2 Test the Swing Door
1. Manually
OPEN
the Door Panel to the Full Open position, then let it go.
a. The Swing door should slow down before reaching the Fully Closed Position.
b. If the Door Panel slams shut, the Motor Connector Harness is connected wrong.
1.►Swap the connections to the Motor.
2.►Test the Door Operation again.
CHAPTER 13: ADJUSTMENTS
• Check that the Door may be opened without power applied to the Unit .
• Ensure the force required to open the Door with power disconnected, shall not be greater
than 50 pounds (222 .4N) .
• Check that the door does not close with a force greater than 30 pounds (133 .4N) at the Latch
Side of the closing stile, and does not close the final 10 degrees in less than 1 .5 seconds .
SECTION 13 .1 Adjust Preload
X
By default, Pre-load for the Closing Spring is: X* = 1-1/32 inch (26 mm).
X
The Set Screw needs to be shortened by 3/8 inch (10mm) if it butts up against the side cover where the Power/
Mode Switch is installed.
X
Pre-load adjustments must be done before carrying out the automatic set-up procedure.
X
Adjust the spring pressure so Door Panels correctly engage existing locks.
X
Close Spring force can be
reduced
on Standard Installations.
1. Close the Door Panel. Go to the Closing Spring.
2. Locate the Adjusting Screw.
3. Adjust distance X* according to Table 7 or SECTION 13.2.
4. Open the Door Panel at least 60 degrees, then let it go.
a. If the Door Panel fails to fully close, repeat Steps 1 - 4.
DN 1174
Protec on against contact
Program Selector: Further away from Door Hinges
Adjus ng Screw
Adjus ng Screw
Closing Spring
X*
Figure 41 Adjust Preload
Table 7 Standard GT20 Swing Door Operator Assembly
Door Panel Width
37-3/8”
43-3/8”
49-1/4”
55-1/8”
63”
OHC (Pushing and Pulling function)
Measure X*
1-1/4” (overall door width)
X
X* = Approximate value for a Reveal of 0 mm.
X
ANSI 156.10 reference = Amount of Force required to prevent a
stopped
power operated Swing Door from moving in the
direction of closing shall not exceed 30 lb. if measured 1 inch from the lock edge of the Door Panel at any point during the
closing cycle.”
CAUTION