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Monthly Archives: June 2011
Refrigeration Cycle
Whether you are working on a 1½ ton unit or a 50-ton unit, the principles of the refrigeration cycle is the same. The most important thing to remember about compressors is that they are VAPOR PUMPS. Compressors do not like … Continue reading
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Microchannel Unit Charging
As many of you know, we are using a condenser coil design called MICROCHANNEL in both commercial and residential. cooling products. With this technology, we have been able to decrease our equipment size while maximizing our SEER ratings on our equipment. … Continue reading
Posted in HVAC Tech Support
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HOT SURFACE IGNITERS
DIAGNOSTIC OHMS READINGS PART NUMBER DESCRIPTION COLD OHMS 025-32626-000 CARBORUNDUM 100+ 025-32625-000 NORTON LOW-TEMP 40 TO 400 025-33421-000 NORTON MINI 50 TO 300 025-30860-000 SMART VALVE 3 TO 10 -COLD “OHMS” REFERS TO THE READING OBTAINED WHEN THE IGNITER … Continue reading
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Lament of a Service Mananger
I work for JCI /York UPG I’m a Service Manager and a clerk! Sometimes I’m called a genius. Sometimes I’m called a jerk! I claim I was once a Technician So when a Job goes “sick”, Everyone comes and … Continue reading →