LiftMaster LM21XPBB Manual

LiftMaster Ikke kategoriseret LM21XPBB

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Side 1/16

Extended Performance Release Device

OWNER’S MANUAL

Models: LM21XPBB, LM21XPBBVB

APPROVED

LiftMaster

300 Windsor Drive

Oak Brook, IL 60523

LiftMaster.com

INTRODUCTION ...........................................2

General Description .........................................2

Agency Requirements .......................................2

Speciﬁcations .............................................3

Preparation ...............................................3

INSTALLATION ............................................4

Important Installation Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Mount the Release Device 4 ....................................

WIRING ..................................................5

Wiring Instructions .........................................5

Wire Routing 6 ..............................................

Wiring Diagram ............................................7

Connections of Initiating Devices and Accessories . . . . . . . . . . . . . . . . 8

Optional Connections .......................................9

TESTING ................................................11

Test Procedures ..........................................11

TROUBLESHOOTING ......................................12

Operational Checklist ......................................12

Circuit Board Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Ground Fault Error .........................................13

MAINTENANCE ...........................................14

Maintenance Requirements .................................14

Enclosure Mounted LEDs Status Indicators . . . . . . . . . . . . . . . . . . . . . 14

ACCESSORIES AND REPLACEMENT PARTS ....................15

APPENDIX ...............................................16

Table of Contents

Introduction

When you see these Safety Symbols and Signal Words on the

following pages, they will alert you to the possibility of SERIOUS

INJURY DEATH or 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 pages, it will alert

you to the possibility of damage to your door and/or the door

operator if you do not comply with the cautionary statements that

accompany it. Read them carefully.

To prevent possible SERIOUS INJURY or DEATH:

• DO NOT use this device without fusible links installed.

• Test every 90 days to assure proper operation of release device.

Mechanical

Electrical

IMPORTANT NOTES:

• BEFORE attempting to install, operate 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® LM21XPBB and LM21XPBBVB Release Device is

UL/ULC listed normally energized fail-safe device designed for use on

rolling doors, single-slide and center-parting level and inclined track

doors. All models are normally energized fail-safe releasing devices

incorporating state-of-the-art electronic control circuitry. The release

devices respond to emergency conditions generated from an automatic

initiating device and are used in conjunction with a fusible link system.

The release device can be powered from 120Vac, 24 Vac, or 24Vdc. The

24Vdc cannot be sourced from a ﬁre alarm control panel or UL1481

regulated power supply. The devices can be activated via a smoke

detector or an alarm relay from the panel’s Form C dry contact relay.

The release device features include a 10, 20, 30 or 60 second delay on

alarm, closed door detection capabilities, Form C relay outputs for the

transmission of alarm and trouble signals transmitted to the ﬁre alarm

control panel, an audible trouble sounder, and diagnostic feedback

LEDs. The release device is provided with a battery management

system that can provide 24Vdc power for up to four smoke detectors

and two horn strobes, as well as provide battery backup for the release

device and accessories. As with all releasing device systems, maximum

ﬁre protection is provided when installed in accordance with factory

speciﬁcations and used with a fusible link systems.

AGENCY REQUIREMENTS

Installation and testing to factory speciﬁcations shall be performed by

factory authorized personnel for proper operation in accordance with

the latest National Fire Protection Association (NFPA), Underwriters

Laboratories (UL), National Electrical Code (NEC), local, state, county,

district and/or other applicable building and ﬁre standards, guidelines,

regulations and codes including, but not limited to, all appendices

and amendments and the requirements of the local authority having

jurisdiction (AHJ).

WARNING: This product can expose you to chemicals including

lead, which are known to the State of California to cause

cancer or birth defects or other reproductive harm. For more

information go to www.P65Warnings.ca.gov

Produkt Specifikationer

Mærke:	LiftMaster
Kategori:	Ikke kategoriseret
Model:	LM21XPBB

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