Search found 4 matches

by JustMike
Tue Feb 13, 2018 2:26 pm
Forum: HVAC General Forum
Topic: why remove high and low pressure relays
Replies: 2
Views: 2197

- why remove high and low pressure relays

The high pressure and low pressure relays (switches) were installed for a reason. Low pressure to protect the compressor and the High pressure to protect the system and shut the compressor down in the event of high or even unsafe pressures. When a technician is called to make a repair they should pe...
by JustMike
Tue Feb 13, 2018 2:07 pm
Forum: HVAC General Forum
Topic: Can testing cause Freon Leak?
Replies: 1
Views: 2357

- Can testing cause Freon Leak?

Depending on the type of testing done, if gauges are connected to the refrigerant system a small amount of refrigerant can be lost. Once gauges are removed and a functional Schraeder Cap replaced there should not be a continuing leak. If you work with a reputable company have them eventuate your sys...
by JustMike
Tue Feb 13, 2018 1:29 pm
Forum: HVAC General Forum
Topic: A/C condenser fan issues
Replies: 2
Views: 1263

- A/C condenser fan issues

Look to see if there is still current draw, this will help you to determine if it is an electrical or mechanical issue. When the fan slows down and stops, will it still spin freely?
by JustMike
Tue Feb 13, 2018 1:17 pm
Forum: Commercial
Topic: satic pressure tranducer
Replies: 1
Views: 2810

- satic pressure tranducer

Typically, static pressure transducers or sensors are not factory installed. They are shipped loose to be installed in the duct work. The static pressure transducers are usually installed 2/3 of the way down the main duct. The placement being further down into the duct is important to maintain enoug...