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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196

www.liftmaster.com

Summary of Contents for LiftMaster LM21XP

Page 1: ...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 EX XT TE EN ND DE ED D P PE ER RF FO OR RM MA AN NC CE E R RE EL LE EA AS SE E D DE EV VI IC CE E The Chamberlain Group Inc 845 Larch Avenue Elmhurst Illinois 60126 1196 www liftmaster com ...

Page 2: ...te or maintain the release device you must read and fully understand this manual and follow all safety instructions DO NOT attempt repair or service of your release device unless you are an Authorized Service Technician GENERAL DESCRIPTION The LiftMaster LM21XP Release Device is UL ULC listed normally energized fail safe device designed for use on rolling doors single slide and center parting leve...

Page 3: ...ations for use of this product with specific door being utilized Use only hardware approved or recognized by the appropriate testing and listing agencies in conjunction with the installation of this product Additional items may be required to complete the installation Concrete anchors or fasteners Sash chain or 1 16 cable Eyebolts hook Fuse links Turnbuckles Smoke detectors up to 4 may be installe...

Page 4: ...end link direction of pull must be perpendicular to the side of the release device enclosure Install an eyebolt a minimum distance of 12 from the release device to adequately redirect sash chain pull 4 Install end link by pressing mechanical reset to allow insertion of end link Push end link completely in and release mechanical reset to latch end link 5 Remove sash chain or cable slack by adjustin...

Page 5: ...y a qualified individual Disconnect power at the fuse box BEFORE proceeding Release device MUST be properly grounded and connected in accordance with local electrical codes ALL power wiring should be on a dedicated circuit and well protected The location of the power disconnect should be visible and clearly labeled ALL power and control wiring MUST be run in separate conduit Installation of ALL wi...

Page 6: ...y backup LED 3 LED 1 DISABLE POWER ON SW3 SW2 P1 LED4 LED5 LED6 LED2 LED7 D1 SW1 K1 K3 K2 1 2 3 4 5 6 7 8 9 10 11 16 15 14 13 12 Common Relay Connections Alarm NC Alarm Com Alarm NO Trouble NC Trouble Com Trouble NO Input Power 4 24Vdc Normally Closed Initiation Loop 1 3 Keep jumper between 3 4 if unused External power required N O Close Door Proximity Switch 2 NC COM 014G0962B GND_FAULT CL_LIMIT ...

Page 7: ...he last initiating device Initiating device loops are supervised and cannot be direct series or paralleled between multiple release devices or shared with other alarm equipment For proper wiring configurations from multiple smoke detectors or signaling for simultaneous closure on multiple doors call technical support 1 888 528 7870 Incorrect wiring between devices may cause damage to the release c...

Page 8: ...d by contact from the door the release device will not activate on alarm thereby eliminating nuisance gravity drops through the inadvertent release of the fusible link assembly This option only works as long as power is available to unit Fail safe operation is maintained under all operating conditions and if power is not available to the unit the fusible link assembly will be released This is a po...

Page 9: ...o adjust the length of the delay to one of four preset delays The optional delay settings are as follows 1 2 3 4 Factory default setting of 10 seconds shown ON NOTE Position 4 is unused and should remain in the OFF position Position 3 is used to select one of the two available voice messages FIGURE 10 Delay Setting Switch Position 1 2 3 4 10 Seconds Off Off Off Off 20 Seconds Off On Off Off 30 Sec...

Page 10: ...der to latch end link CLOSE DOOR DETECTION OPTIONAL 1 Using the chain hoist or motor operator lower the door to fully closed position 2 Verify that Close Door Detection LED yellow is lit indicating door closure Depress and continue to hold test button on side of release device for 10 seconds Close Door Detection logic will prohibit the release device from energizing and releasing the end link Rese...

Page 11: ... for correct wiring instructions Ground Fault Yellow LED 7 If lit indicates that one of the ancillary devices loops smoke detector annunciator etc is not grounded properly and a short to earth ground exists T R O U B L E S H O O T I N G OPERATIONAL CHECKLIST POWER Is the red LED labeled Power located on the bottom of the enclosure lit CHECK THE ALARM Are the alarm smoke detection inputs correct If...

Page 12: ...itched on If the LED does not light when power is applied check that power is connected as described in the installation manual electrical connections M A I N T E N A N C E To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution disconnect ALL power BEFORE performing ANY maintenance WARNING CAUTION WARNING WARNING MAINTENANCE REQUIREMENTS The release device has no scheduled maintenance requir...

Page 13: ... 12 24Vdc 2 Wire Photo with Thermal 6 LM4W B Smoke Detector 12 24Vdc 4 Wire Photo ITEM PART DESCRIPTION 7 LM4WT B Smoke Detector 12 24Vdc 4 Wire Photo with Thermal and Form C Relay 8 LM1424 Smoke Detector 24Vdc Ion 9 LM1412 Smoke Detector 12Vdc Ion 10 LMTH135 Heat Detector 135 Degree Fixed Temperature 11 LMTH194 Heat Detector 194 Degree Fixed Temperature 12 LMEOLR1224 End of Line Relay 12 24Vdc 13...

Page 14: ... of Line Resistor LMEOLRES 10 LMEOLR1224 End of Line Relay EOLR 1 LMEOLR120 End of Line Relay PAM 1 14 A P P E N D I X ACCESSORY COMPATIBILITY GUIDE MODEL NO DESCRIPTION SYSTEM SENSOR SPACE AGE LIFTMASTER NO MODEL NO ELECTRONICS NO MODEL NO DESCRIPTION SYSTEM SENSOR MODEL NO MODEL NO DESCRIPTION SYSTEM SENSOR CHEMTRONICS EDWARDS SYSTEM TECHNOLOGY MODEL NO MODEL NO EST MODEL NO NOTE Certain accesso...

Page 15: ...15 O P E R A T O R N O T E S ...

Page 16: ...01 32046B 2006 The Chamberlain Group Inc Issue Date 7 27 2006 All Rights Reserved ...

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