News

Ferguson HVAC Air Cold Supply is your source for all pertinent news within the HVAC community. In order to compete in today’s constantly shifting landscape, you need to be aware of what’s out there. Our team is focused on keeping you up to date on the latest in heating and cooling technological developments. This is your resource to keep you in the know on any and all HVAC industry news, nationally or within individual regions.

October 12, 2018

THREE PHASE SYSTEM AND COMPRESSOR START-UP

On startup, it should be required to have gauges connected.  This is the only way you will know if the compressor is running correctly.  If the compressor is running backwards, the suction pressure will not drop, and discharge pressure will not rise to normal levels.  If compressor is running in backwards, remove power and reverse […]

October 12, 2018

THREE PHASE SYSTEM AND COMPRESSOR START-UP

On startup, it should be required to have gauges connected.  This is the only way you will know if the compressor is running correctly.  If the compressor is running backwards, the suction pressure will not drop, and discharge pressure will not rise to normal levels.  If compressor is running in backwards, remove power and reverse […]

October 12, 2018

THREE PHASE SYSTEM AND COMPRESSOR START-UP

On startup, it should be required to have gauges connected.  This is the only way you will know if the compressor is running correctly.  If the compressor is running backwards, the suction pressure will not drop, and discharge pressure will not rise to normal levels.  If compressor is running in backwards, remove power and reverse […]

October 12, 2018

THREE PHASE SYSTEM AND COMPRESSOR START-UP

On startup, it should be required to have gauges connected.  This is the only way you will know if the compressor is running correctly.  If the compressor is running backwards, the suction pressure will not drop, and discharge pressure will not rise to normal levels.  If compressor is running in backwards, remove power and reverse […]

October 12, 2018

IS PRIMARY VOLTAGE SET CORRECTLY ON THE TRANSFORMER?

Many 24v control voltage issues on BOTH commercial and residential systems are caused by not correctly setting up the transformer. Problems can be immediate or may surface may years later. Symptoms may include: low control voltage (24v), unit won’t do anything, contactor not pulling in, not being able to program thermostat, and erratic cooling, heating, […]