Design
Tools
LoadMatch
System
LOFlo
System
Air
Elimination
Circulators
& Pumps
Accessories
for circulators
& pumps
Heat Exchangers
Tanks
Valves &
Controls
Energy
Management
Variable Speed
Web-based
Building
Management
Switch to Residential
Product Navigation
  Where to Buy

What is your zip code?

 
 
  We're Here to Help

How can we help? Please choose a category for immediate help.






 
 

Find What You Want Fast at
TACO-HVAC.COM


Latest News > E-mail Newsletters

Whatever you may be looking for that's HVAC industry related, we want you to find it fast at TACO-HVAC.com so you can get on with the job at hand.

Need Product Information?
Click on the product category and choose the product family from the drop-down menu. Or use our new, improved search engine. (You can search in English, Spanish or Russian.)


Need Technical Support?
Ask a Taco tech rep online and get a quick answer in return. Or use our Document Wizard. If it's from Taco and it's in print, it's here.


Select a Pump Fast
Use the Taco Pump Wizard. Simply enter the flow rate and head required, select RPM's and motor from the drop-down menus, then click search. The Pump Wizard will display a list of the Taco pumps that meet your requirements. Click on any name to get more information on that pump.


Find a CAD Drawing Fast
Use the Taco CAD Wizard. Select a product category from the drop-down menu, select the model number, then download the CAD drawing. It's as simple as that. Give it a try right now.

And if you can't find what you're looking for, we want to know.

HVAC Pros Ask...
Question: Do I need an Inverter Duty Motor when my pump and motor assembly are controlled by a Variable Speed Drive?

Answer:
Not necessarily. A centrifugal pump (such as Taco Horizontal Split Case Pumps or the Taco SCX 1700 Close-Coupled Pump) is a variable torque device where the torque reduces with the cube of the ratio of the speed. Baldor has designed their Super E motor with special insulated wire that allows the windings to pass the Corona Inception Voltage test. These windings pass the requirements of NEMA MG 1 Part 31 for peak voltage (1600 volt peaks) when used on inverters. These motors are labeled Inverter Ready. NEMA Part 31, Definit—Purpose Inverter Motors, lists many requirements other than just peak voltage.

A true Inverter Duty Motor meets all the requirements of Part 31 and is expected to perform satisfactorily for torque, temperature, noise and vibration over the entire speed range. This applies to constant torque applications. A pump is a variable torque application and only concerns us with the 1600 volt peaks produced by the VSD. The temperature, noise and vibration reduce as the motor slows and unloads. These will not be factors for pump applications.

We've got the products, news, information and support you want at TACO-HVAC.com. Give one of our Wizards a try right now, or browse the latest industry and green building news. I hope to see you there soon.

Thanks for your interest.

Tim Smith