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Chamberlain LM21XP - page 1
O O W W N N E E R R ’ ’ S S M M A A N N U U A A L L M M O O D D E E L L L L M M 2 2 1 1 X X P P E E X X T T E E N N D D E E D D P P E E R R F F O O R R M M A A N N C C E E R R E E L L E E A A S S E E D D E E V V I I C C E E The Chamberlain Group, Inc. 845 Larch A venue Elmhurst, Illinois 60126-1196 www .liftmaster .com ...
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Chamberlain LM21XP - page 2
When you see these Safety Symbols and Signal Words on the following pages, they will alert you to the possibility of serious injury or death if you do not comply with the warnings that accompany them. The hazard may come from something mechanical or from electric shock. Read the warnings carefully . When you see this Signal Word on the following pa ...
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Chamberlain LM21XP - page 3
INTRODUCTION 3 AGENCY REQUIREMENTS Installation and testing to factory specifications shall be performed by factor y authorized personnel for proper operation in accordance with the latest National Fire Protection Association (NFP A), Underwriters Laboratories (UL), National Electrical Code (NEC), local, state, county , district and/or other applic ...
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Chamberlain LM21XP - page 4
4 INST ALL A TION Classification: Releasing device as defined by Underwriters Laboratories. Installation Requirements: Intended for “Indoor Dry” locations; all wiring must be per formed in accordance with the most current version of NFP A 72 - National Fire Alarm Code and the National Electric Code. MOUNT THE RELEASE DEVICE Installation procedu ...
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Chamberlain LM21XP - page 5
1 2 + 24Vdc from an Approved UL 1481 Regulated Power Supply with Battery Backup – 5 WIRING WIRING INSTRUCTIONS Verify wiring configuration with that recommended by door manufacturer for use of this product with specific door and accessories being utilized. 18-gauge wire is recommended. 1. T urn off power supply sources for the release device as w ...
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Chamberlain LM21XP - page 6
6 WIRING WIRING DIAGRAM 1 2 3 4 Solenoid (YE) (GY) R6 P2 U4 C2 U2 U3 C4 C1 Field Wiring shall consist of 22-18 A WG wiring. 1. Supervised, power limited circuit, 20 Ohm maximum line impedance. 2. Unsupervised, power limited circuit, 20 Ohm maximum line impedance. 3. Maximum of 4 Class B Style A detectors. 4. Power from an approved UL1481 regulated ...
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Chamberlain LM21XP - page 7
7 CONNECTIONS OF INITIATING DEVICES AND ACCESSORIES A maximum of 4 smoke detectors may be installed with this device. Refer to NFP A 72 and NFP A 80 for instructions concerning proper placement and detection coverage. End-of-line devices must be installed for supervision of electrical power to 4-wire smoke detector . When using 4-wire smoke detecto ...
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Chamberlain LM21XP - page 8
8 WIRING 5 6 Fire Alarm Control Panel Red Black Common Normally Closed T erminal Strip Relay Module – + FIGURE 7 CONNECTIONS OF INITIATING DEVICES AND ACCESSORIES (cont’d) Relay Module Installation In lieu of smoke detectors, the release device may be put into alarm by the fire alarm control panel. Most commonly , a relay module is used as an i ...
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Chamberlain LM21XP - page 9
9 WIRING OPTIONAL CONNECTIONS (cont’d) DIP SWITCH SELECTION The release device will provide a factory default delay of 10 seconds (to minimize nuisance alarms) before releasing the fusible link chain upon alarm or power loss. A 4-position DIP Switch found on the PC board within the release device can be used to adjust the length of the delay to o ...
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Chamberlain LM21XP - page 10
10 TESTING TEST PROCEDURES TO BE PERFORMED BY F ACTORY AUTHORIZED PERSONNEL ONL Y! CLEAR FIRE DOOR OPENING AND PROHIBIT TRAFFIC THROUGH DOOR OPENING WHILE TESTING! T esting does not affect normal operation of alarm system when connected to release device/control panel. T esting of the release device is independent of, and shall in no way be interpr ...
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Chamberlain LM21XP - page 11
N/O Detector T rouble Y ellow (LED 4) If lit, indicates a trouble condition (a short) within the N/O 2-wire (or 4-wire) smoke detector loop (emanating from terminal board positions 3 and 4), resulting from either incorrect wiring or incorrect placement of the end-of-line resistor , and the smoke detector loop is inactive. Refer to the Smoke Detecto ...
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Chamberlain LM21XP - page 12
Disable Y ellow The Y ellow LED will light when the door reaches the close limit and activates a proximity switch attached to terminal positions 7 and 8 on the release device. This configuration results in the device not releasing the fusible link assembly in alarm or power loss situations and should only be used when the fire door is kept in a con ...
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Chamberlain LM21XP - page 13
ACCESSORIES REPLACEMENT P ARTS 13 ACCESSORIES AND REPL ACEMENT P ARTS HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZA TION SPANS AMERICA Installation and service information call our TOLL FREE number: 1-888-528-7870 ITEM P ART # DESCRIPTION 1 LM8100 Smoke Detector - 120V Photo 2 LM8100T Smoke Detector - 120V Photo with Thermal 3 LM8100I Smoke ...
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Chamberlain LM21XP - page 14
LM2W-B 24Vdc 2-Wire Photo 2W-B LM2WT -B 24Vdc 2-Wire Photo with Thermal 2WT -B LM4W-B 24Vdc 4-Wire Photo 4W-B LM4WT -B 24Vdc 4-Wire Photo with Thermal & Form C Relay 4WT -B LM1424 24Vdc Ion #1424 LMTH135 135 Degree Fixed T emperature #5603 #603 #283B-PL LMTH194 194 Degree Fixed T emperature #5604 #604 #284B-PL LMEOLRES-10 10 kOhm End-of-Line Re ...
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Chamberlain LM21XP - page 15
15 OPERA TOR NOTES ...
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Chamberlain LM21XP - page 16
01-32046B © 2006, The Chamberlain Group, Inc. Issue Date 7/27/2006 All Rights Reserved ...
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