s M, M, M, M, and M are . Your local Honeywell Home and Building Control Sales Office (check white pages of your phone directory). M, M, M, and M are non-spring Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your . Find great deals for 1pc Honeywell M Mc Modutrol IV Motor. Shop with confidence on eBay!.

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Ill let everyone know how much more accurate it is. I’ll try my Honeywell contact on Monday to see if he can shed any light on your problem, or if he knows who can. Reviews Not reviewed yet, be the first to write one!

The result of his research is that all except 4 models and all on-off motors have 55 “repositions”, or steps of resolution. Models available with 4 to 20 rnA input signal.

Add this item to my cart. Usually Ships in 1 – 3 Weeks. Double click on ohneywell image to view full picture. There are 4 ‘enhanced’ Modutrol IV models, all of which are mA proportional motors, each of which has more than 55 repositions. Gas Burner Spares Limited.

deadband on a HW modutrol motor [Text] – – Interactive Q & A

Register for an account. The original link I gave was a scanned pdf, whose document number has no other hits on the web. Heres another question then, what acctuators does everyone else use for things such as port valve motors?

Adapter bracket for matching shaft height of older motors is available. Astounding, isn’t it, that a primary performance characteristic of an actuator motor, output resolution of the actuator shaft, is a closely guarded secret? Let’s assume the actuator is a recent model Modutrol IV, model M The pdf scanned, not text, believe it or not is here: But I’ve seen first hand the effect of an acuator that can not resolve sufficient positions to control a gas valve.


Being scanned indicates that maybe it was a draft, most probably is no longer current and is obsolete?

Honeywell Modulating Motor M C – Unitech Combustion, Ahmedabad | ID:

Wow dan, what great info! It is a C Integral auxiliary switches are available factory mounted, or can be field added.

I did it, it worked. Models available with factory installed transformer, or a field added internal transformer.

Honeywell Modulating Motor M 7284 C 1000

The current web page for the Mx motors is http: Shipping and Returns All orders are shipped same-day if the order is received by 1: Isnt user generated content great! And since the major market for this category of actuator is HVAC, well, you take what you get. You can also find answers to some common questions on our FAQ page. The PV oscillation synched with the motor hunting. Fixed torque throughout the entire voltage range. Images and descriptions may not accurately honeuwell the product.

I suspect the nmber of repositions steps doesn’t matter a heck of lot when the motor drives a damper in an air handler. Here’s the manual honeyweol Is it only the M72844 model that does this? So bear in mind there’s still some question on that value. It would seem that if the motor only runs when the input voltage is applied through the control circuit, the motor could run 0.

You might also look what happens if the valve is disconnected from the modutrol. It is a new modutrol tho. Maybe such a device exists that I’m unaware of – anybody come across one? Have you seen our Winter Catalog or Special? This is a 4 – 20 system, and the ma value does change when I change the plc output.


Safe and secure checkout at Controls Central. This class of actuator can be had with Modbus, as can Rotork. Why not an actuator where you could send the requred position and get feedback on the actual position, maybe even alter the speed of travel, all via serial comms?

So it follows that your motor doesn’t have the adjustment. You must have JavaScript enabled in your browser to utilize the functionality of this website.

Honeywell M7284Q 1106/U Modulating Motor

Motor and circuitry operate from 24 Vac. I am going to switch the motors out. Pneumatic Receiver Ctrlr Dual Prop. This has helped, but not as much as a working valve would!

All models have dual shafts slotted and tapped on both ends. While calling about this issue, I heard, more than twice, two numbers from Honeywell people, 35 or 55 positions for the Modutrol line. The Series ModutrollV Motors are non-spring return motors used to control dampers and valves. JavaScript seems to be disabled in your browser. Modutrol IV Motor V 90 degree stroke 30 sec There’s a different class of electric actuators for the massive valves used in waste treatment plants, by vendors like Rotork, and I’ll bet they’re more than willing to define what sort of resolution their actuators provide.

Now, it could be 2.