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RSES Journal Archives

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Results: 275 Articles Found
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Aug 2019
MSAC Hotline: Is there a Schrader?
My question involves using Schraders when using transducers. When you ship these to the jobsite do you put Schraders where pressure or temp transducers are located to allow replacement if needed?
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Jul 2019
MSAC Hotline: Voltage Drop
qI am a CMS Master License holder in Delaware. I recently installed two Bosch Bova systems BOVA- 36HDN1-181M with matching Bosch air handlers at 5kW and second stage heating.
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Jun 2019
MSAC Hotline: Rawal Valves
During a renovation the contractor installed a 7-ton outside unit and a 4-ton indoor unit, which our company has been asked to correct.
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May 2019
MSAC Hotline: Critically Charged Systems
I have a question for critically charged systems like a reach-in cooler with a capillary tube. I work at a facility and all of our refrigeration equipment has pressure ports. How do I use my manifold gauge in this situation?
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Mar 2019
MSAC Hotline: Heat Pumps
I have a question about heat pumps. I’ve been told that the suction line (heat mode) acts as the high side and the third port for it is the suction but I’ve put my gauges on the liquid line and pressures don’t seem right.
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Feb 2019
MSAC Hotline: Compressor Ratings
When I select a compressor what values do I use? The new refrigerants have glide — how does this affect the selection as far as capacity, efficiency, etc?
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Jan 2019
MSAC Hotline: Combustion Analyzer For Spillage
How do I use a combustion analyzer to test for spillage, cracked head exchangers, and effi ciency? What do the readings mean and how can I adjust the system to improve its combustion?
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Dec 2018
MSAC Hotline: Mass Refrigerant
Editor’s Note: Last month’s MSAC Hotline about mass flow refrigerant rate sparked so much discussion among the MSAC Board that we decided to cover the topic in both our November and December issues.
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Nov 2018
MSAC Hotline: Mass Refrigerant Flow Rate
Why do some refrigerant manufacturers not include the “mass refrigerant flow rate” when comparing alternative refrigerant replacement?
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Oct 2018
MSAC Hotline: Black Oil
My boss and I were on a leak check repair for a Carrier rooftop two-stage unit. When we got to the unit, the second stage completely lost its charge of R-22 from a leak on the high side that we repaired.
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Results: 275 Articles Found
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RSES is the leading education, training and certification preparation organization for HVACR professionals. RSES publishes various comprehensive industry training and reference materials in addition to delivering superior educational programs designed to benefit HVACR professionals at every stage of their careers through instructor-led training courses, online training for HVAC, educational seminars, interactive CD and DVD products, industry-related reference manuals, and helpful technical content through Service Application Manual chapters, the RSES Journal, the RSES Journal archives and feature articles, as well as web-exclusive features.

Beginning with basic theory and extending to complex troubleshooting, training courses covering refrigeration and air conditioning, heating, electricity, controls, heat pumps and safety may be conducted in a classroom environment or though self study. RSES publications may be purchased by schools, contractors, manufacturers or any other industry group wanting to conduct comprehensive training programs. Seminars covering air conditioning troubleshooting, electrical troubleshooting, compressor training, condenser training, refrigerant piping practices, DDC controls, and more are held in various cities across North America.

Select training programs offer Continuing Education Units (CEUs) and NATE Continuing Education Hours (CEHs).

In addition, RSES offers industry certification preparation materials for refrigerant handling (EPA Section 608), R-410A and North American Technician Excellence (NATE) examinations.

RSES’ monthly magazine, RSES Journal, serves HVAC contractors, service technicians, students, operations/maintenance managers, engineers and technicians who work in the residential, light commercial, commercial and institutional markets on air conditioning, warm-air heating, refrigeration, ventilation, electrical, ice machines, chillers, hydronic heating, piping, refrigeration control and energy management, building automation, indoor air quality and duct cleaning, and sheet metal fabrication equipment and/or systems.
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