Switch Information
Time Adustment Procedure.
Use fingers to turn the brass adjustment screw.
Turn clockwise to increase the delay.
Tun counterclockwise to decrease delay.
Like all pneumatic swithes, time delays are approximate and can be affected by enviornmental variables. If in doubt, leave a longer delay to allow sufficient egress time.
The adjustment screw may be facing up or down.
| SPECIFICATIONS | |
| Time Range | Standard and Narrow 1 sec to 45 sec +/- 15% |
| Repeate Accuracy | +/- % @ 72°F (22° C) |
| Switch Rating | 5 Amp @ 125 VAC |
| Temerature Range | -17°F to +120°F (-27°C to +49°C) |
| Timer Life | 1 million operations |
Hardware Installation
The 991 mounts in a single-gang electrical box with 2 screws. Sloted screws require a standard screw driver. Carefully line up these screws with tans in the electrical box and tighten.
The 991 narrow pushbutton includes a 1/4" filler plate for use in installations as required.
Typical System Control Wiring Diagrams
Electromagnetic Lock, Normally Closed Circuit
Electroic Strike, Normally Open Circuit