ACHR NEWS

NEWS 3-19 Cover

2018 March 19

In this issue of The NEWS, we take an in-depth look at the tools that help technicians troubleshoot and perform diagnostics on HVACR equipment. We also report on Congress’ decision to reinstate the federal residential and commercial geothermal heat pump tax credits.

Cover Story

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Feature Articles

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open fuse

How to Properly Diagnose Low-Voltage Short Circuits in the Field

Strong economy, housing market expected to fuel HVAC sales growth
Bryan Orr
March 19, 2018
I see techs in the field get the most frustrated when they have a low-voltage short they can’t seem to locate. The challenge techs face with low voltage diagnosis is a combination of poor process and some root misunderstanding about what they are looking for.
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Newsline

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Carrier Infinity System Control Debuts in Alabama Power’s Smart Neighborhood

February 22, 2018
The Carrier Infinity system control is a wall device paired with a mobile application that delivers a combination of comfort and control. The control is being debuted at Alabama Power’s Smart Neighborhood in suburban Birmingham, Alabama, a community of 62 homes featuring emerging energy-efficient technologies, materials and appliances, and a community-scale power system.
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ARS/Rescue Rooter of Indiana Donates $25,000 Worth of Furnaces and Water Heaters

February 28, 2018
ARS/Rescue Rooter of Indiana gave back to the community by donating and installing furnaces, water heaters, and Google Home Minis to local families this winter. Area residents were prompted by radio commercials and social media posts to nominate families on arsindianapolis.com. The families received their installations just in time to beat the cold snap this winter.
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Statement From AHRI on Steel and Aluminum Tariffs

March 2, 2018
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI), which represents manufacturers of heating, air conditioning, commercial refrigeration, and water heating products and equipment, is disappointed in the decision announced today by President Trump to impose additional tariffs on steel and aluminum. AHRI does not support additional tariffs on steel and aluminum due to their impact on manufacturers and consumers.  
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FYI

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HVAC Commercial Contractors: Mar. 19, 2018

March 19, 2018
Star Refrigeration’s (Glasgow, Scotland) group sales and marketing director, Robert Lamb, was presented with the Kenneth Lightfoot Medal at the Institute of Refrigeration’s annual dinner.
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HVAC Manufacturers: Mar. 19, 2018

March 19, 2018
Viessmann Mfg. Co. Inc.’s (Warwick, Rhode Island) Kenneth Webster, director, sales & marketing, was recognized with the Canadian Hydronics Council Award of Merit.
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HVAC Distributors: Mar. 19, 2018

March 19, 2018
Winsupply of Manchester (Manchester, Connecticut) was awarded the Top Wholesaler of the Year 2017 by AquaMotion Inc. (Warwick, Rhode Island) and its sales rep, The Walter F. Morris Co.
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New HVAC Products

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friedrich

Friedrich Air Conditioning: Terminal Air Conditioner

March 18, 2018
This PTAC unit uses MERV 8 filters for outdoor air, reducing air particles, allergens, and other air impurities brought into the space. Due to its Precision Inverter™ compressor with variable-speed technology, the unit is designed to deliver only the amount of cooling or heating needed for the room at any given time, saving energy and money while maintaining even, consistent temperatures.
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xoi

XOi Technologies: Field Technology

March 18, 2018
This platform integrates with many field service management (FSM) applications, and it allows HVAC companies to use in-field video and still photos to create transparency for customers, increase knowledge sharing between technicians, and maximize field service workflows.
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reznor

Nortek Global HVAC LLC: Outdoor Air System

March 18, 2018
The ZQYRA design offers a simplified approach to dedicated outdoor air systems (DOAS) with only basic options. The patented ZQYRA–8 and ZQYRA–12 units combine superior control design with modulating heat pump and enthalpy wheel technology.
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testo

Testo Inc.: Air Velocity & IAQ Meter

March 18, 2018
This instrument combines a compact, handheld measuring instrument with user-friendly menus and wireless probes for versatile measurement of all air conditioning and ventilation parameters.
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Innovas Technologies LLC: Tube Cleaning System

March 18, 2018
This system is installed on shell and tube heat exchangers and keeps the tubes clean without time-consuming intervention. Specialized cleaning balls are injected at set intervals into the cooling water flow.
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ims

Sensaphone: Monitoring System

March 18, 2018
This system can help monitor and control HVAC systems, refrigeration and cold storage units, restaurant walk-in units, chillers, and other untended operating facilities 24 hours a day.
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btu1

Btu Buddy 180: Low Voltage Circuit Problems

Bill Johnson
March 19, 2018
Bob and Tim are discussing the job that they are about to start. They are at a residence and the system has a blown low-voltage fuse. Tim said, “Let’s just change the fuse and try it and see if the system will start up. The only thing it can do is blow another fuse."
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