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LM21AFCB Manual - Page 1
The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com
OWNER'S MANUAL
MODELS
LM21AFCB LM21AFCBVB
ADVANCE FIRE CONTROL RELEASE DEVICE
FM
APPROVED
LM21AFCB Manual - Page 2
... set to fully open switch of the operator, after which the door will then automatically close , after which the motor will be used with fuse link systems.
2 INTRODUCTION
GENERAL DESCRIPTION
The LiftMaster® Fire Control LM21AFCB and LM21AFCBVB Release Device is 120Vac. TABLE OF CONTENTS
INTRODUCTION
General Description 2 Agency Requirements 3 Specifications 3 Preparation...
LM21AFCB Manual - Page 3
... (up to 4 may be installed for the release device. When using 4-wire smoke detectors with this product. SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
VOLTAGE RATING: STANDBY CURRENT: ALARM CURRENT: BATTERY RATING:
BATTERY STANDBY TIME:
INITIATING DEVICE:
120Vac, 60Hz
.20A
.25A
12V 4.5AH Sealed Lead Acid Batteries (2), Maximum charge current .150Amps
LM21AFCB, 48 hours LM21AFCBVB, 36 hours...
LM21AFCB Manual - Page 4
...AVERTISSEMENT Installation Requirements:
Intended for "Indoor Dry" locations; Push end link completely in accordance with fasteners (#10 is the
minimum size recommended). Mount the release device on releasing device. DO NOT exceed maximum pull rating of pull must be used if mounting release device into masonry.
6. NEVER connect release device to power source until instructed to door types...
LM21AFCB Manual - Page 5
... section for use of the power strip. standards
and codes.
Release • ALL power and control wiring MUST be run in separate
device MUST be performed in accordance with the Canadian
Electrical Code, Part I, with Sleeving
LM2AG2AMP
LMEOLRES-2-2
2.2k Ohm Resistor
Refer to the release device and door operator before continuing.
3. NCIAWIRE ROUTING
ADVERTENCIA
Mechanical Reset...
LM21AFCB Manual - Page 6
... auxiliary limit switch to the transformer secondary in series. Replace batteries every 2 years. The required voltage should be provided by the door operator manufacturer. Auxiliary Closed Limit Switch (Figure 1): Connect a wire from the common and N/O of the auxiliary limit switch to the release device. Voice Board Model Only
+ Speaker - Unsupervised circuit, 20 Ohm maximum line...
LM21AFCB Manual - Page 7
... supervised and cannot be direct series or paralleled between devices may be installed for simultaneous closure on multiple doors, call technical support, 1-888-528-7870. ADVERTENCIA 4. Figure 3
On Circuit Board
2.2k Ohm @ 1/2 watt Supervisory Resistor (LMEOLRES-2-2)
- See last page for instructions
concerning proper placement and detection coverage. AVERTISSEMENT
4
2 3
Figure 5
1
COM...
LM21AFCB Manual - Page 8
... strobes (Model LMPSTR2475ADA). A maximum of either message. Route wires through the same contacts. NOTE: If installing two visual annunciators they must be installed within a single gang junction box with a minimum 2" depth using a single gang junction box at position #8 permits selection of two annunciators may re-open automatically if auto-open feature is the release device. Maximum...
LM21AFCB Manual - Page 9
... when it with Manual door.
Drop after 6 minutes if the 3-Minute safety timer.
close the door but will attempt to door closure or drop.
(Standard)
Auto-Open. cleared. (Standard)
For voice board option only, this selects Message 2. SELECTABLE DELAY SETTINGS (SWITCHES 3 & 4)
The release device will drop the door without attempting
the motor before releasing. The options DIP...
LM21AFCB Manual - Page 10
... fire door opening and prohibit traffic through door opening while testing. • DO NOT install this device on the release device and the battery trouble sounder will turn on the release device. TEST RELEASE DEVICE AND DOOR OPERATOR
AUTOMATIC DOOR CLOSURE TESTS (MOTORIZED DOORS ONLY)
Release Device Test Button - The Red power LED will begin to release device.
Replace batteries...
LM21AFCB Manual - Page 11
... edge (see DIP Switch Configuration Setting.
11 The release device will be lit on operator control raising door to occur. Reset release device by pushing in the normal path of test indicator until the alarm condition has been cleared.
4. Insert end link through door opening and release reset plunger latching the end link.
7. Green Open Limit LED will make three...
LM21AFCB Manual - Page 12
... (Yellow) is off if the door is restored to its fully open door. TESTING
TEST RELEASE DEVICE WITH BATTERY BACKUP WITHOUT AC POWER
MECHANICAL DOOR CLOSURE TEST This test verifies a mechanical release in its normal condition (open or closed . NOTE: This test requires mechanical door resetting per door manufacturer's instructions, then reset device release mechanism by pressing mechanical reset...
LM21AFCB Manual - Page 13
... on the Close limit, input is connected properly.
If door is on the Open limit, input is not installed on ."
If lit, 2.2k Ohm resistor is connected properly. Check that the power is applied, check that release device and all ancillary devices/loops (detectors, annunciators, etc.) are connected in the circuit as described in circuit.
If...
LM21AFCB Manual - Page 14
... acceptable
connected to the battery as shown on ." WARNING
MAINTENANCE
WARNING
MAINCTEANAUNCTE ION
The release device has no scheduled maintenance requirements. FUSE REPLACEMENT PROCEDURE AND REPAIR PARTS
Two serviceable fuses, both 2 Amp, 2AG, slo-blo fuses, are provided in the installation manual electrical connections.Check 24Vac Fuse, F2, (Fig. 12).
14 The fuse present at position...
LM21AFCB Manual - Page 16
... above will require a separate power source.
LMTH135 LMTH194
DESCRIPTION
135 Degree Fixed Temperature 194 Degree Fixed Temperature
MODEL NO.
DESCRIPTION
LMEOLRES-2-2 2.2 kOhm End-of-Line Resistor
LMEOLR1224 End-of-Line Device LMEOLR120 End-of-Line Device
END-OF-LINE DEVICE
SYSTEM SENSOR MODEL NO. SPACE AGE ELECTRONICS NO.
APPENDIX
ACCESSORY COMPATIBILITY GUIDE
MODEL NO.
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