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I N S T A L L A T I O N

Classification:

Releasing device as defined by Underwriters Laboratories.

Installation Requirements:

Intended for “Indoor Dry” locations; all wiring must be performed
in accordance with the most current version of NFPA 72 - National
Fire Alarm Code and the National Electric Code.

MOUNT THE RELEASE DEVICE

Installation procedures vary according to door types. Refer to
door manufacturer’s recommendation that applies to your door.

1. Mount the release device on a vertical surface with chain end

link exiting side of enclosure. 

2. Secure the release device enclosure with fasteners (#10 is the

minimum size recommended). If installing in masonry, use
concrete anchors (not provided).

3. Install hardware (sash chain or 1/16" cable, eyebolts-hook,

fusible links, turnbuckles—not provided) according to door
manufacturer’s recommendations. 

NOTE: 

The 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 adjusting turnbuckle.

IMPORTANT INSTALLATION INSTRUCTIONS

To reduce the risk of SEVERE INJURY or DEATH:

ATTENTION

AVERTISSEMENT

AVERTISSEMENT

AVERTISSEMENT

WARNING

CAUTION

WARNING

WARNING

WARNING

PRECAUCIÓN

ADVERTENCIA

ADVERTENCIA

ADVERTENCIA

1. READ AND FOLLOW ALL INSTALLATION WARNINGS

AND INSTRUCTIONS.

2. NEVER connect release device to power source until

instructed to do so. 

3. DO NOT use this device without fusible links installed.

4. Concrete anchors MUST be used if mounting release

device into masonry.

5. DO NOT exceed maximum pull rating of 40 lbs. on

releasing device.

Smoke Detector

Releasing Unit

Turnbuckle

Annunciator

Chain

Fire Door

Chain End
Link

Fusible Links

Eyebolt

End Link

Mechanical Reset
Plunger

Summary of Contents for LiftMaster LM21XPBB

Page 1: ...L L M M 2 2 1 1 X X P P B B B B L L M M 2 2 1 1 X X P P B B B B V V B B 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 APPROVED The Chamberlain Gro...

Page 2: ...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 DESCR...

Page 3: ...that the wall or mounting surface provide adequate support for the release device Refer to the door manufacturer s recommendations for use of this product with specific door being utilized Use only ha...

Page 4: ...tion 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...

Page 5: ...ncillary devices i e smoke detectors horn strobes etc To reduce the risk of SEVERE INJURY or DEATH ALL electrical connections MUST be made by a qualified individual Disconnect power at the fuse box BE...

Page 6: ...3 2 1 Voice Board Wiring Annunciator Wiring with Sleeve Low Voltage Wiring High Voltage Wiring Ground L2 L1 Power Strip Mechanical Reset Plunger Refer to wiring section for proper application of thes...

Page 7: ...consist of 22 18 AWG wiring Use only 250Vac 3 Amp 3 AG Slo Blo fuses 1 Supervised power limited circuit 20 Ohm maximum line impedance 2 Unsupervised power limited circuit 20 Ohm maximum line impedance...

Page 8: ...Wire Class B Style A Initiating Devices Connect wiring from N O initiating device loop to positions 3 and 4 Place the supervisory resistor LMEOLRES 10 contained within the accessory pack Figure 3 Obs...

Page 9: ...is in the closed position and so that it will toggle states from its N O condition switch closed when door is closed to a closed condition indicating that the door edge has made contact with desired d...

Page 10: ...lection of either message In the ON position Message 1 is activated in the OFF position Message 2 is activated Figure 12 The voice board can drive up to two 70 7V speakers Model LM8SP or speaker input...

Page 11: ...ructions Raise door and then reset the release device by pushing downward on the mechanical reset button at the top of the device Fully insert the end link through the side opening on the device and r...

Page 12: ...orrect If not the release device will not release the fusible link assembly in a fire condition Conversely the release device will always release the fusible link assembly when powered or reset CIRCUI...

Page 13: ...ATH Stand clear of path of door Disconnect ALL electrical and battery power BEFORE performing maintenance ATTENTION AVERTISSEMENT AVERTISSEMENT AVERTISSEMENT WARNING CAUTION WARNING WARNING WARNING PR...

Page 14: ...ector 24Vdc Ion 9 LM1412 Smoke Detector 12Vdc Ion 10 LMTH135 Heat Detector 135 Degree Fixed Temperature 11 LMTH194 Heat Detector 194 Degree Fixed Temperature ITEM PART DESCRIPTION 12 LMEH1224ADA Horn...

Page 15: ...24MC LMHS2475ADA 24Vdc Horn Strobe P1224MC P2R LMEH1224ADA 24Vdc Horn H12 24 LM8SP Speaker SP201R MODEL NO DESCRIPTION LMEOLRES10 10 kOhm End of Line Resistor LMEOLRES 10 LMEOLR1224 End of Line Relay...

Page 16: ...01 32051D 2008 The Chamberlain Group Inc 2 11 08 All Rights Reserved...

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