Chamberlain LM21XP - Manual (Page 3)

I N T R O D U C T I O N
3
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).
SPECIFICATIONS
To prevent possible SERIOUS INJURY or DEATH:
• DO NOT use this device without fuse links installed.
• Test every 90 days to assure proper operation of release
device.
WARNING
CAUTION WARNING
WARNING
LOAD RATING: Support and Release 40 lbs. Max.
PHYSICAL DIMENSIONS: 9.7" x 7.5" x 5" (h x w x d)
PREPARATION
It is imperative 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 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 installed with this device)
Refer to NFPA 72 and NFPA 80 for instructions concerning proper
placement and detection coverage. End-of-line devices shall be
installed for supervision of electrical power to 4-wire smoke
detector. When using 4-wire smoke detectors with this device,
electrical supervision must be provided by means of a UL/ULC
listed end-of-line relay.
Smoke Detector
Releasing
Unit
Fuse Links
Eyebolt
Turnbuckle
Chain
Chain End
Link
Fire Door
ELECTRICAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
COMMON ALARM AND
TROUBLE RELAY:
. 5A 125Vac, 60Hz
(MAX. CONTACT RATING) 1A 24Vdc Resistive
WEIGHT: Approximately 8 lbs.
VOLTAGE RATING: 24Vdc
STANDBY CURRENT: .100A
ALARM CURRENT: .15A
INITIATING DEVICE: Maximum line impedance 20 ohm;
Maximum current not to exceed
.010A.; Maximum voltage 28Vdc