LiftMaster LM21AFCB Advance Fire Control Release Device - Manual (Page 12)

12
TEST RELEASE DEVICE WITH BATTERY BACKUP
WITHOUT AC POWER
MECHANICAL DOOR CLOSURE TEST
This test verifies a mechanical release in absence of power to the
operator. NOTE: This test requires mechanical door resetting per
manufacturer’s instructions before returning the Fire Door to
service.
1. Clear fire door opening and prohibit traffic through door
opening while testing.
2. Fully open door. Disconnect power to operator and release
device. NOTE: Batteries must be connected and the Green
LED must be lit, if not door will release (close).
3. The mechanical release disabled LED (Yellow) is off if the
door is not closed. Turn and hold the Test / Reset Switch or
depress and hold "Test" button on release device.
Annunciator will sound indicating a door closure is about to
occur and after preset time delay (refer to the Configuration
Settings) device will release door. Release Test / Reset Switch.
4. Reset fire door per door manufacturer’s instructions, then
reset device release mechanism by pressing mechanical reset
plunger. Fully insert end link through release device side
opening and release mechanical reset plunger to latch end
link.
5. Restore power to the operator and the release device. Red
LED should light on the release device indicating power has
been restored
6. Raise door to its fully open position. Press the “Reset” button
on the device.
7. After completing all tests, verify that door is in its normal
condition (open or closed) and that all power required for
normal operation is restored to device and operator. The
device is designed to operate with its primary power source
applied.
T E S T I N G