LM21XP Manual
Page 1
The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com OWNER'S MANUAL MODEL LM21XP EXTENDED PERFORMANCE RELEASE DEVICE
The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com OWNER'S MANUAL MODEL LM21XP EXTENDED PERFORMANCE RELEASE DEVICE
LM21XP Manual
Page 2
INTRODUCTION GENERAL DESCRIPTION The LiftMaster® LM21XP Release Device is designated to be used with manual doors, but can be powered from 24Vdc received from electric shock. The devices can be used in conjunction with battery backup. TABLE OF CONTENTS... Status Indicators 12 ACCESSORIES AND REPLACEMENT PARTS 13 APPENDIX 14 OPERATOR NOTES 15 WARNING Mechanical CAUTION WARNING WAEleRctrNicaINl G WARNING CAUTION When you see this manual and follow all safety instructions. • DO NOT attempt repair or service of your door and/or the door operator if you do not...
INTRODUCTION GENERAL DESCRIPTION The LiftMaster® LM21XP Release Device is designated to be used with manual doors, but can be powered from 24Vdc received from electric shock. The devices can be used in conjunction with battery backup. TABLE OF CONTENTS... Status Indicators 12 ACCESSORIES AND REPLACEMENT PARTS 13 APPENDIX 14 OPERATOR NOTES 15 WARNING Mechanical CAUTION WARNING WAEleRctrNicaINl G WARNING CAUTION When you see this manual and follow all safety instructions. • DO NOT attempt repair or service of your door and/or the door operator if you do not...
LM21XP Manual
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If not, the release device will always release the fusible link assembly when powered or reset. Yes Move on pages 7 and 8 of this manual for correct wiring instructions. Check to the Smoke Detector Installation section on . Refer to the Close Door Detection section of -line resistor, and the smoke... red LED, labeled "Power," located on . Yes Move on the bottom of an alarm panel. No Check power connections at the bottom of this manual for correct wiring instructions. voltage should not be picked up from either incorrect wiring or incorrect placement of the end-of this...
If not, the release device will always release the fusible link assembly when powered or reset. Yes Move on pages 7 and 8 of this manual for correct wiring instructions. Check to the Smoke Detector Installation section on . Refer to the Close Door Detection section of -line resistor, and the smoke... red LED, labeled "Power," located on . Yes Move on the bottom of an alarm panel. No Check power connections at the bottom of this manual for correct wiring instructions. voltage should not be picked up from either incorrect wiring or incorrect placement of the end-of this...
LM21XP Manual
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... unit at least once every 90 days is recommended, but test intervals shall ultimately be used when the fire door is kept in the installation manual electrical connections. 12 If the LED does not light when the door reaches the close limit and activates a proximity switch attached to criteria established by...
... unit at least once every 90 days is recommended, but test intervals shall ultimately be used when the fire door is kept in the installation manual electrical connections. 12 If the LED does not light when the door reaches the close limit and activates a proximity switch attached to criteria established by...
LM21XP Manual
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...-of-Line Relay - 12/24Vdc LMEOLR120 End-of-Line Relay - 120Vac REPLACEMENT PARTS ITEM 1 2 3 4 PART # DESCRIPTION LMRK Reset Knob LMELH End Link 01-32046 Owner's Manual LMEOLRES-10 End-of-Line Resistor, 10 kOhm NOTE: Certain accessories above will require a separate power source. HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE...
...-of-Line Relay - 12/24Vdc LMEOLR120 End-of-Line Relay - 120Vac REPLACEMENT PARTS ITEM 1 2 3 4 PART # DESCRIPTION LMRK Reset Knob LMELH End Link 01-32046 Owner's Manual LMEOLRES-10 End-of-Line Resistor, 10 kOhm NOTE: Certain accessories above will require a separate power source. HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE...
LM21XP Manual
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EOLR-1 CHEMTRONICS MODEL NO. #603 #604 EDWARDS SYSTEM TECHNOLOGY (EST) MODEL NO. #283B-PL #284B-PL SPACE AGE ELECTRONICS NO. PAM-1 LIFTMASTER NO. Refer to product manual. 14 DESCRIPTION LMEOLRES-10 10 kOhm End-of-Line Resistor LMEOLR1224 End-of-Line Relay LMEOLR120 End-of-Line Relay SYSTEM SENSOR MODEL NO. APPENDIX ...
EOLR-1 CHEMTRONICS MODEL NO. #603 #604 EDWARDS SYSTEM TECHNOLOGY (EST) MODEL NO. #283B-PL #284B-PL SPACE AGE ELECTRONICS NO. PAM-1 LIFTMASTER NO. Refer to product manual. 14 DESCRIPTION LMEOLRES-10 10 kOhm End-of-Line Resistor LMEOLR1224 End-of-Line Relay LMEOLR120 End-of-Line Relay SYSTEM SENSOR MODEL NO. APPENDIX ...