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  1. Kenmore AC 240v/24v transformer keeps blowing up

    HVAC
    Hi Guys I have kenmore AC that I decided to change the thermostat from analog to digtal. Seemed easy enough. I turned the power off, took photos and replaced with digital, connecting the correct wires (red, yellow, white, green etc). Turned the power back on and the AC worked cooling the...
  2. Kenmore AC 240v/24v transformer keeps blowing up

    General DIY Discussions
    Hi Guys I have kenmore AC that I decided to change the thermostat from analog to digtal. Seemed easy enough. I turned the power off, took photos and replaced with digital, connecting the correct wires (red, yellow, white, green etc). Turned the power back on and the AC worked cooling the...
  3. 12v to 120v

    Electrical
    Hi: I have an older desk lamp that has a cord with a transformer, stepping it down to 12volts. I want to swap out the tiny bi-pin bulb that getS SUPER hot with an LED version. All I can find are 120v versions that fit this particular style. Can I simply cut off the transformer and rewire the...
  4. 110V air purifier with adapter 100-240V

    Electrical
    I purchased an air purifier printed 110V. It comes with a power adapter of 100-240V. Can I use the air purifier with a power supply of 220-240V? Is the adapter also a converter or transformer? I’m really confused.
  5. Mounting transformer to junction box - orientation

    Electrical
    Hello, I need to mount a doorbell transformer (24V) to a junction box in the attic. The transformer has a mounting screw and I know that the high voltage input (120V) is obviously enclosed inside the box and the low voltage is outside. My question is, does it matter whether I mount the...
  6. Secondary voltage coming from 24VAC transformer

    Electrical
    Hi, I am replacing my old thermostat with a Nest smart thermostat. The Nest requires a 24V input. I removed the old thermostat and luckily there are two unused wires that are taped up in the junction box, which trace back to a 24VAC transformer in the attic. So it appears I have the wiring...
  7. Beckett oil burner kind find problem

    HVAC
    I have a Beckett oil burner that ever so often the reset button goes off. It will run fine for 5-10 cycles but then goes off again. When I hit the button it starts right up, very smoothly. I just had a tech come in and did the yearly cleaning and maintenance, then this started happening.The tech...
  8. 24VAC 50VA transformers keep failing

    Electrical
    I have a 24-volt lamp on my front lawn that receives power from a 24 volt AC, 50 volt-amp transformer that is plugged in in the basement. The transformer that came with the house when I bought it stopped working, so I bought a replacement Class 2 24VAC, 50VA transformer to replace it. The new...
  9. Buck-boost Transformer for Small 230v Unit

    Electrical
    Hi all, I just discovered this forum, and thrilled to dig into all the great content! I run a small letterpress printshop in New Hampshire, and just acquired a small piece of bindery equipment that I'm trying to get running in the studio. I'm generally mechanically inclined, but less so with...
  10. New Zone Relay Help

    HVAC
    Hi all, I am still having issues with my furnace and Nests. And I would love some feedback on this one. My furnace is oil fired, Buderus Logano G115, which has 4 zones and separate hot water unit. The zone relay is an Erie SR-601. I currently have 4 Nest E thermostats hooked into the system...
  11. Add Transformer to Zone Relay

    HVAC
    Hi all, In relation to this post: https://www.diychatroom.com/f17/erie-sr-601-goes-sleep-647863/#post5703197 My Erie SR-601 zone relay is now overloading more than ever. It definitely needs more juice to power all the nests. How do I go about adding/replacing the transformer in the relay? Any...
  12. Exterior transformer and multiple circuits

    Electrical
    I have a need to distribute 120v lighting and receptacle circuits as far as 500' from the nearest structure. I started a thread that has expanded in scope and I wanted to start a separate one only for the idea of using an external transformer. I like the idea of running 240v out 300' or so...
  13. Doorbell problem

    Electrical
    I live in a house that seems to have been built out of spare parts by the previous owner. I recently had a lot of work done after Harvey flooded it, and the workers took my doorbell assembly apart and left it half there on the wall. I bought a new wireless system and installed it, but I want...
  14. 277V Flourscent Light Ballast

    Electrical
    I purchased a number of used 3 lamp commercial light fixtures for my shop not knowing the ballast are 277v only. In researching the used of 277v ballast fixtures, there is a definite performance upside. So my questions is this. Would it be best to purchase a 120v to 277v step-up transformer...
  15. Ring Pro Power Kit with Existing Doorbell

    Electrical
    I just got a Ring Pro Doorbell that I was about to install when I hit a snag on step one. The first thing I have to do is install a "Pro Power Kit" that came with the Doorbell Pro that makes sure that enough power is sent to the Ring Doorbell. However, when I removed the cover for my indoor...
  16. Questions on doorbell transformer and 220 circuit.

    Electrical
    I have two questions one regarding a 220 circuit for a dryer and one regarding a doorbell circuit. 1.) I have a non-grounding surface mount 220 outlet. That three wires go in. I couldn’t find 10g wire with three insulated wires, Just 10/2 with a bare ground wire. Can I use the bare wire for...
  17. Ecobee3 + g6RC080-16 HVAC + Arilaire 600M // Help with transformer install?

    HVAC
    I have a g6RC080-16 (no manual anywhere online). I use an ecobee3 thermostat and installed it with 5 wire to my hvac. No big deal. Then I installed a new whole house humidifier since the guy said the solenoid was bad. Installed everything up in a 2-wire install and still no water coming out...
  18. Gibson/Nordyne Furnace KG6RC-040C-12A won't power up

    HVAC
    My furnace keeps turning off and losing power to the control board. The control board lights are off. One time I cycled the power and it powered up. Haven't been able to do that since. So, I replaced the transformer which worked, but it started happening again a week after the replacement. I...
  19. Cooling Problem, HVAC!!! HELP!!!

    HVAC
    I have a home and HVAC system only 2 years old. The unit does not cool. The condenser and fan do not come on. I have replaced the contactor, and it does not seem to have fixed the problem. I have checked the capacitor and it is fine. Also I checked the thermostat and it was working fine, I...
  20. New Transformer for Smart Thermostat?

    HVAC
    Hi All, I wasn't sure whether to post this in the HVAC forum, or electrical. Please feel free to move this if appropriate. I have a 30 year old boiler system with 4 zones. Each zone only has 2 wires (R, W) to each thermostat. Right now I only have programmable thermostats, but I'm...
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