Blower motor breakdown can be the result of anything from old age to failed bearings, high amp draw, electrical failure in the windings, dirt accumulation, and more. Knowing how to troubleshoot and diagnose problems with these motors is an essential skill an HVAC technician must possess.
As the popularity of variable-speed technology increases, many manufacturers are bringing new products to market to meet consumer and OEM demands. Here are a few of the latest HVAC motor-related products available on the market.
While older circulator pumps utilized single-speed motors and were largely inefficient, advances in motor technology, controls, and pump design have transformed the market and ushered in a new era of highly efficient products that feature variable-speed motors, easy installation and setup, remote connectivity, and more.
Designed for use with hydronic radiators and steam boiler systems, HAV steam valves control the release of steam in radiators and properly balance the system so individual radiators produce heat appropriate for the space being addressed.
The Model 405AE 1/16 DIN features two modes of operation: on-delay and interval timing. Each features eight selectable time ranges and a single pole, double throw (SPDT) contact output configuration rated for 5-A resistive.
These booster pumps are available in 3-, 5-, 9-, 15-, 20-, 30-, 45-, 65-, and 95-cubic-meter-per-hour options with a flow range up to 600 gallons per minute (gpm) and 750 feet of total dynamic head (TDH).
The centerpiece of the HD Series is an interior aluminum support framework that reinforces the fiberglass cap construction by routing all roof rack and toolbox weight to the bedrail of the pickup truck, allowing a 550-pound capacity on the HD Series roof rack and 200 pounds in each toolbox.
HVAC contractor promotion kicks off just in time for Black Friday
November 23, 2015
Trane Supply announced that, just in time for Black Friday, it is now offering its HVAC contractor customers a special “Heat up for the Holidays” promotion at more than 180 participating Trane Supply locations nationwide.
DOE recently amended Section 431 of the federal energy code covering the efficiency of electric motors
November 20, 2015
The National Electrical Manufacturers Association (NEMA) Motor & Generator Section will host a second series of webinars in December related to the U.S. Department of Energy’s (DOE’s) motor regulation, which will take effect on June 1, 2016.