Belimo 3 wire LMB24 Motorized Large Rectangular HVAC damper dampner 50 sizes

Description

Belimo LMB24 Motorized Large Rectangular HVAC zoning damper dampner
Belimo LMB powered 3 wire rectangular damper fits most applications, works with most zone control systems and thermostats.  Ships in 48 hours built to your specifications.
5 Year Factory Warranty.
A major quality upgrade for your system! Replaces all  failed two wire spring return dampers, and perfect for new construction.
For lower cost spring return rectangualr dampers, go to our store DamperDirect.
Message us via
eBay
for other sizes or technical help.
Available “Large” Standard Sizes:
6x26  6x28  6x30  6x32  6x34  6x36
8x26  8x28  8x30  8x32  8x34  8x36
10x24  10x26  10x28  10x30  10x32  10x34  10x36
12x22  12x24  12x26  12x28  12x30  12x32  12x34  12x36
14x20  14x22  14x24  14x26  14x28  14x30  14x32  14x34  14x36
16x16  16x18  16x20  16x22  16x24
18x18  18x20  18x22  18x24
20x20  20x22  20x24
22x22  22x24
24x24
*
dampers over 24 inches in length must have motors on the long side
Ordering instructions:
This is a multi part listing, you can pick from any size above, or any odd size not shown, like 7x11 within this range. (Whole numbers only, no fractions allowed.)
Upon ordering, you must tell us what side you want the motor on, the long or the short side.
Questions? Message us via eBay.
Dampers come undersized 1/8 inch in both dimensions from sizes shown for easy installation.
If you don't find the size you need here, check out our other eBay listings for the following sizes:
Medium:  eBay Item #  121487046008
6x16, 6x18, 6x20, 6x22, 6x24, 8x16, 8x18, 8x20, 8x22, 8x24, 10x16, 10x18, 10x20, 10x22, 12x16, 12x18, 14x14, 14x16, 14x18
Small: eBay Item #    121484153179
6x8, 6x10, 6x12, 6x14, 8x8, 8x10, 8x12, 8x14, 10x10, 10x12, 10x14, 12x12, 12x14
* Perfect replacement damper to change out almost all brands of 24vac spring return 2 wire or 3 wire dampers, as well as new construction.
* Ships in 48 hours from receiving your specification on size and motor placement.
* Slim 2 inch wide damper body allows easy retrofit and replacement.
* Uses industry renowned Belimo LMB24 24vac three wire power open/power close motor from the largest damper motor maker in the world-Belimo!
* Eliminates troublesome and inefficient 2 wire spring return motors, three wire hookup eliminates hot and burned out motors.
* 5 year factory  Belimo warranty.
* Do you have a damper  with a bad motor? Check our Belimo retrofit motor kits that allow retrofitting this premier motor on your existing damper.
* Full feature Belimo 3 wire power open, power close motor  interchanges to any   brands of zone control system using 24vac open close motors.
This Damper will work with these brands of Zone Control Systems:
Honeywell
Trol A Temp
Durozone
Jackson Systems
Zonex
Zonefirst
RCS
XCI
Robert Shaw
enerstat
Enerzone
Lennox harmony
Waterfurnace Intellizone
RCS
Buetler
EWC Controls
Research Products
Aprilaire
Califonia Economizer
Young Regulator
Retrozone inc.
...And many more systems.
Any Questions on Compatibility?
Only two wires to your present damper? Read “Replacing Two wire dampers” below.
Thirty years of ‘brick and mortar” service will help you, because dampers and zoning systems are all we do!
Message us via eBay
with questions, or email your questions.
(Above trade names are registered trade marks of those companies.)
Finest damper on eBay, check these
Belimo LMB Motor
features, including a 5 year
Factory
Warranty!
* Uses Belimo’s commercial grade LMB24 90 second three wire damper on a commercial 1/2 inch drive shaft.
* Not a stripped down oem motor or a look alike cheap import, this is a genuine, full featured LMB24 Belimo Motor.
* 24volts AC or DC, internal brush less DC motor with microprocessor control, the most reliable motor we have ever sold in thirty years.
* Motor internally senses  amperage change at end of travel, and kills power.
* Easy motor travel adjustments allows precise bypass air if desired.
* Can be controlled directly by a thermostat, no relays needed like other three wire motors.
* Uses only 2va intermittent power, compare to 9va continuos power of residential spring return dampers.
* Powerful 45 inch pound 90 second silent gear drive motor, handles 2 inches of static pressure (4 times greater than residential) no spring flutter, never gets hot.
* High torque allows installation right at air plenum, and will open and close reliably in full force air stream situations.
* Clutch on motor allows damper to be fully opened or closed for installation and testing
* Reversing switch on motor allows unparalleled flexibility.
* Commercial 1/2 standard drive shaft means thousands of different motors can be retrofitted in the future, to this damper.
Specifications:
* Standard Belimo LMB24 90 second motor uses  24VAC or DC
* Damper comes undersized in both dimensions 1/8 inch to slip inside duct, use self adhesive weather-strip to close any gap.
* 60 second actuation time for this damper, other motors/timing available at additional cost
* Frame is 2 and 1/8 inch wide, endplate is 5 inches wide.
* Weight varies by size,  typical weight is 6 lbs for 16x16 size.
* Industry leading 1 blade per inch design offers better air control and less noise compared to wider blades.
* All aluminum and stainless steel construction
* Air control pressure rated 2 inch static pressure (4 times maximum residential static pressure of .5 inch)
* May be set to any minimum/maximum air flow with motor limit screws
* May be used with optional SPDT center off switch to stop blade anywhere in arc of travel, see below.
* Optional snap on end switches available to verify blade position.
Additional Tech Notes:
Replacing two wire dampers:
Many users tire of replacing two wire spring motors. spring return motors have a higher failure rate for two reasons, overheating since they pull power continuously when energized. and the additional stresses of the spring.
The SD3085 does require 3 wires between the zone panel or thermostat.  Check your cable running to your present damper, as many times 4 conductor cable is run, with only two wires used.
Many zone panels are already set up for 3 wire dampers, check your damper outputs to see if a “norm open” or “M4” terminal  is present and unused, if so you are good to go!
If your zone panel has just a two wire output, you can still use this damper by using wiring method 2, which means a third connection from the panel thermostat “R”,  which is the continuos hot side of the transformer.
Controlling directly from a thermostat with no relay needed:
You can have the advantages of three wire power with no relay when connecting directly to a thermostat! Here is how it works:
Since the Belimo LMB motor is “smart” with an on-board microprocessor,  it has a couple of wiring tricks. In this case, 24vac power is wired full time to terminal 1 and 2 on the motor. Then, the jumped W and Y outputs from the thermostat is wired to terminal 3;
anytime the motor gets power from the thermostat on terminal 3, the dampers open, when the thermostat drops power to terminal 3, the damper closes-its that simple,  no relays, and three wire means no wasted heat or hot motors.  You can also operate the damper from a simple single pole light switch, in this same manner.
Stopping Damper anywhere in its range:
The Belimo LMB motor features a gear train that will hold the damper blade in position, in the air stream, when power is removed from the motor. So, when used with a single pole, double throw, center off (SPDT center off)  switch, you can stop the damper anywhere in its arc of travel, and it will hold its position-Great for air  balancing applications.
Dampers are all we do! Check our Ebay store “Damper Direct”  for more  parts.  We are a full line Belimo Motor Distributor.