LiftMaster Extended Performance Fire Door Release Device
Item #: LM21XP
Manufacturer: Chamberlain, LiftMaster
List price: $468.55
Manuals & Brochures:
Installation manual,
DETAILS
- UL864 Revision 9 compliant
- Programmable DIP switch delay setting - either 10 20 30 or 60 seconds delay of door release to permit passage clearance
- Inputs for normally open 2- or 4-wire detectors and 4-wire normally closed detectors
- Trouble and alarm relays for communication with the fire alarm control panel if required
- Audible trouble sounder to indicate when the release device is not operational
- On board diagnostic LEDs for easy troubleshooting
- Testing function allows routine fire door testing without requiring activation of the smoke detector
DETAILS
- UL864 Revision 9 compliant
- Programmable DIP switch delay setting - either 10 20 30 or 60 seconds delay of door release to permit passage clearance
- Inputs for normally open 2- or 4-wire detectors and 4-wire normally closed detectors
- Trouble and alarm relays for communication with the fire alarm control panel if required
- Audible trouble sounder to indicate when the release device is not operational
- On board diagnostic LEDs for easy troubleshooting
- Testing function allows routine fire door testing without requiring activation of the smoke detector