
Grounding 24 volt transformer - HVAC-Talk
Jun 17, 2020 · Hey guys I’ve got a 120volts to 24volts transformer ..I need to ground the secondary 24 volts side, but there’s no indication on the transformer or from the manufacturer …
24 volt transformer - HVAC-Talk
May 4, 2004 · Hi Everyone, I had a question regarding a 250 volt transformer thats step down voltage to 24 volts. If I am reading 32 volts or more ,is the transformer bad?
Grounding 24 volt transformer | Page 2 - HVAC-Talk
Jun 5, 2020 · Hey guys I’ve got a 120volts to 24volts transformer ..I need to ground the secondary 24 volts side, but there’s no indication on the transformer or from the manufacturer on which …
transformer wiring | HVAC-Talk: Heating, Air & Refrigeration …
Jun 15, 2006 · I have a 24 volt tansformer that blows intermittently and I want to protect it with fuses(3.2 amp). My question is which side to put fuses on, 208 volt side or 24 volt side?
Carrier RTU transformer overload trips - HVAC-Talk
Jul 23, 2013 · Hey Everyone, Working on a Carrier RTU unit model# 48TCEA06A2A5A0A0A0. Customer complaint "thermostat has no power." Found 5 amp breaker tripped on transformer. …
Transformer Burnout - Question | HVAC-Talk: Heating, Air ...
Jul 24, 2009 · Every 24 volt transformer I have ever tested that has had a burnout failure due to a short in the 24 Volt Secondary circuit has burned out the 240 Volt Primary winding. I was just …
transformer grounding | HVAC-Talk: Heating, Air & Refrigeration …
Dec 30, 2023 · The JCI control panel with transformer (120 to 24) we purchased doesn't have the secondary grounded. Then we purchased a newer transformer to replace the one in our MMC …
240/24 volt transformer burnt 2 out testing - HVAC-Talk
Apr 12, 2015 · The 24 volt side has a 3A fuse. And did not pop fuse but burnt out 2 new transformers. I am thinking I need to put a fuse or circuit breaker in the 240 volt side?? So I …
Causes of a failed 24V transformer and contractor coils???
Jan 17, 2014 · Twice this unit's has control transformer and heat strip contractor coils have burned out? The unit is a 3P 240 HP. There are a total of four units at this facility and this is the only …
Cant figure this out! Not getting 24v at the board or...
Mar 6, 2013 · Its completely dead at the thermostat, and on the circuit board it doesnt get 24 volts either. So I tested voltage going into the transformer and it has 120 volts on all 3 wires going in …