frostyllama
New Member
- Joined
- Sep 15, 2020
- Messages
- 27
I recently purchased 2x 24/3000 multiplus' with the intent of running them in parallel for use with 120 volt US appliances exclusively. I planned a system with some breathing room for a complete electric appliance loadout on my bus conversion.
I purchased what I thought to be a high efficiency 23 seer 120v mini split.
Unfortunately, reading through the spec sheets it is in fact a 230v 60hz unit like most high efficiency models. This changes my plans a bit, perhaps for the better. The ability to run 240v appliances like an on demand water heater interest me.
From what I've read the two 120 multiplus' can be atomically wired (tied with no redundancy) into a 120/240 split phase setup. I've also read that this is more complicated to configure than a parallel setup, and that one should be even more careful with a split phase setup over a single phase one.
Besides the need for a two pole circuit breaker my questions are:
- Is an autotransformer recommended or necessary for the setup?
- Will the two units be able two load balance between the two poles at 120v on their own?
- Can the units wired in split phase handle two times the watt load at 240v (8000 cont) over their 120v (4000 cont) limits, or is it the same?
- Is there any other extra hardware needed?
- Should I return the 240 mini split, buy a 120 and accept my fate as a 120v electrical pleeb?
- Am I missing anything obvious, any tips?
edit: Probably should have posted in off grid inverters or vehicle mounted systems. The units will be used to charge from the grid.
I purchased what I thought to be a high efficiency 23 seer 120v mini split.
Unfortunately, reading through the spec sheets it is in fact a 230v 60hz unit like most high efficiency models. This changes my plans a bit, perhaps for the better. The ability to run 240v appliances like an on demand water heater interest me.
From what I've read the two 120 multiplus' can be atomically wired (tied with no redundancy) into a 120/240 split phase setup. I've also read that this is more complicated to configure than a parallel setup, and that one should be even more careful with a split phase setup over a single phase one.
Besides the need for a two pole circuit breaker my questions are:
- Is an autotransformer recommended or necessary for the setup?
- Will the two units be able two load balance between the two poles at 120v on their own?
- Can the units wired in split phase handle two times the watt load at 240v (8000 cont) over their 120v (4000 cont) limits, or is it the same?
- Is there any other extra hardware needed?
- Should I return the 240 mini split, buy a 120 and accept my fate as a 120v electrical pleeb?
- Am I missing anything obvious, any tips?
edit: Probably should have posted in off grid inverters or vehicle mounted systems. The units will be used to charge from the grid.
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