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Nitrogen Purging and Brazing
Free HVAC Training
HVAC Training Articles
March 2, 20170Comments

Nitrogen Purging and Brazing

Most HVAC installation instructions require flowing nitrogen through the copper tube during brazing. This is an important step in producing a quality HVAC system and nitrogen purging and brazing. Why nitrogen
by Ron Walker
Current Relays Commercial Refrigeration
Free HVAC Training
July 29, 20160Comments

Current Relays Commercial Refrigeration

On start-up, the amp draw of the compressor is near LRA before the rotor starts to turn. The high current in the power leg going from M, through R, to the
by Ron Walker
HVAC Tool
Free HVAC Training
July 27, 20160Comments

Motor Starters – Video

A motor starter is basically a contactor with overloads. The overloads in the starter are selected according to both the voltage and the RLA of the compressor. These protectors respond
by Ron Walker
3 Phase Voltage
HVAC Training Articles
July 26, 20160Comments

3 Phase Voltage Unbalance

by Ron Walker
HVAC training
HVAC Certification Course
HVAC Training Articles
July 20, 20160Comments

Awesome Day of HVAC Training

HVAC Training Online and Onsite: For more information please call - (904) 671-7144 We take your HVAC training quite seriously. If you master the complex challenges of air conditioning repair, it will
by Ron Walker
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