04/30/16
19 1-800-810-WIRE • www.sargentlock.com • A8185A
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IN120 Exit Device
Installation Instructions for Mortise Type 8977/8978 Exit Device
7
• Check hand of door.
This exit device is handed and is not reversible.
• Door should be fitted and hung.
1. If using a mullion, install it prior to installing hardware.
2. Doors should be pre-prepped (recommended).
3. Use appropriate templates:
• IN120 template A8215 (Field Prep Template).
• Exit installation instructions A6705.
Note: Instruction examples show wood door installation.
For metal doors, route cables inside door.
Left Hand
Reverse
LHR
Outside
Inside
Right Hand
Reverse
RHR
Fig. 1A
A. Verify Hand and Bevel of Door
1 Door Preparation
B. Verify Product Label
C. Door Preparation
Fig. 1B
Mortise
ET Through
Bolt Hole
Through Bolt Holes
Door
Position
Switch
Lever Hole
ET Through Bolt Hole
Trim Lever Hole
ET Through Bolt Hole
Remote
Power
Remote
Power