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Toshiba Mini-split
LarryC
Member Posts: 331
The spark killers appear to be snubbers to absorb the voltage spike that occurs when the coil of relays 43-1 & 43-2 deenergize. They are probably there to prevent the spikes from messing with the electronics of the remote control board.
My guess is T is a time delay relay to prevent the compressor from restarting to quickly after a shut off. If the system operates when you tap T, I would look for a bad solder joint or a bad wire crimp.
LarryC
My guess is T is a time delay relay to prevent the compressor from restarting to quickly after a shut off. If the system operates when you tap T, I would look for a bad solder joint or a bad wire crimp.
LarryC
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Comments
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Can anyone tell me.....
....where I might find parts for a Toshiba ductless mini split? I'm coming up empty with my normal suppliers, and a web search was not very fruitful!
I need a relay for the indoor unit, model RAV-180K2U, and a service manual if possible.
The symptom was that the outdoor unit would not come on. Diagnostics point to either what the schematic is calling a "Timer" rely, or a component that is shown as a "spark killer" which I have no idea of it's purpose. I'm having trouble following the schematic, and could really use a ladder diagram!
Anyone?
Starch0 -
Spark Killer
Could the spark killer be nothing more than a high impeadence resistor wired across the open contacts of the relay to arrest the spark when the contacts open?0 -
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Toshiba/Carrier
Afer a little research Toshibia and Carrier have a partnership. A Carrier wholesaler might be a good place to start
Jim Bergmann0 -
That's what I was thinking, Jim......
....there are two of them, and they appear to be wired in parallel with a relay coil. What is confusing me is the relay contacts shown in the diagram - it doesn't specify if they are shown in the energized or the de-energized position. I'll try and scan this into a picture and post it later.
Thanks for the replies.
Starch0 -
Here's the schematic.
The relay in question is the one labeled "T." When I tap the area of this relay, the voltage is sent through to terminal 2, which then energizes the outdoor unit. Problem is that the two "spark killers" are mounted in the same spot as the T relay, so I don't know if they may be the problem.0 -
Thanks!
Thanks, all, for your responses. Unfortunately, I have not been able to find a source for parts, though. I sent an inquiry to the website listed above, but to date have not received a response.
My client is tired of waiting, so we quoted him a new system today. At least I know I can get parts if it ever breaks!!!!!
Starch0
This discussion has been closed.
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