Search: Posts Made By: RoatanBill
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04-13-21, 03:36 PM
Replies: 2
Views: 253
Posted By RoatanBill

You can't easily get inside the unit to push the...

You can't easily get inside the unit to push the built up crud out. Anything you do from the outside has a tendency to push the dirt into the fins.
04-13-21, 12:57 PM
Replies: 0
Views: 562
Posted By RoatanBill

Friedrich blinking error codes. Anyone know what they mean?

I have a Friedrich mini split with an indoor unit model MW12C1J.
It's blinking an error code of 7 blinks on the first led and 6 blinks on the second led. Friedrich documentation has no description...
04-13-21, 12:46 PM
Replies: 2
Views: 253
Posted By RoatanBill

Recommendation for weird split system

I currently have a mini split system that needs replacement. I'm done screwing with it.

I'm looking for a system that uses an old style 'cube' outdoor unit with a mini split interior unit. The...
11-25-20, 09:03 AM
Replies: 3
Views: 463
Posted By RoatanBill

What I'd really like is an outdoor unit that I...

What I'd really like is an outdoor unit that I can take the top off of to hose out the fins from the inside towards the outside. The split units are built so you can't easily clean from the inside...
11-23-20, 06:47 AM
Replies: 3
Views: 463
Posted By RoatanBill

A/C unit for the Caribbean

I need a recommendation for an inverter based A/C only mini split unit for the Caribbean. I don't need or want a heating capability. Due to high electrical costs ($0.38/kWh), I want the most...
02-11-19, 05:39 AM
Replies: 6
Views: 802
Posted By RoatanBill

@Airmark: Very good explanation. This does...

@Airmark:

Very good explanation. This does bring up a manufacturing or design issue. Having the compressor try to push vapor is, of course, not reasonable. There should be a portion of the cooling...
02-04-19, 07:14 AM
Replies: 6
Views: 802
Posted By RoatanBill

@airmark, @GregH Thank you for the reply. I...

@airmark, @GregH

Thank you for the reply. I read through the installation manual for the unit, but it didn't explicitly note how to handle the insulation. There was a drawing of the outside unit...
02-02-19, 04:52 PM
Replies: 6
Views: 802
Posted By RoatanBill

Only insulate the cold copper - right?

The A/C installer ran both copper lines inside the insulation. I questioned the wisdom of putting the hot line in there but he assured me that's how it's supposed to be done.

Now I'm replacing...
01-25-19, 05:52 AM
Replies: 8
Views: 579
Posted By RoatanBill

GregH Yesterday, I searched for units with...

GregH
Yesterday, I searched for units with multiple air handlers. They were all SEER rated lower, some much lower, than the smallest single air handler units available. If SEER isn't a reliable...
01-24-19, 10:26 AM
Replies: 8
Views: 579
Posted By RoatanBill

PJmax Every time I check the outside unit the...

PJmax
Every time I check the outside unit the fins are covered in cobwebs, dirt dust, etc and the unit is 8' off the ground mounted on an outside concrete wall. I even put a rain & sun shield over...
01-24-19, 06:48 AM
Replies: 6
Views: 739
Posted By RoatanBill

GregH: The insulation that was used was 6'...

GregH:
The insulation that was used was 6' sections duct taped (and squashed) at the seams. Now I know I want a continuous length of insulation with prepared ends. Live and learn. To fix this test...
01-24-19, 06:24 AM
Replies: 8
Views: 579
Posted By RoatanBill

GregH: The plan is to have the kitchen behind...

GregH:
The plan is to have the kitchen behind 2 sets of swinging doors to minimize any environmental contamination to the dining room. I'm considering a push pull system of typical kitchen exhaust...
01-23-19, 02:54 PM
Replies: 6
Views: 739
Posted By RoatanBill

@roughneck77 Thanks for the lead. I found...

@roughneck77

Thanks for the lead. I found that HomeDepot carries this product.

I looked it up and immediately wondered if it's made out of gold or silver, given the price.
01-23-19, 10:50 AM
Replies: 6
Views: 739
Posted By RoatanBill

@roughneck77 Thank you for the reply. I...

@roughneck77

Thank you for the reply.
I helped the installer push the insulation over the copper tubing - it was not cut. It is/was 3/8" thickness as I still have a piece of the original...
01-23-19, 09:22 AM
Replies: 8
Views: 579
Posted By RoatanBill

A/C only system(s) for restaurant dining room

I'm on Roatan Island in the Caribbean where it's hot and extremely humid year round. I'm working up plans for an 80 seat restaurant dining room.

Electricity is nearing US$0.40/kWh with frequent...
01-23-19, 08:49 AM
Replies: 6
Views: 739
Posted By RoatanBill

A/C plumbing insulation turning into slime

I need to replace the insulation on the copper lines running between the compressor and the air handler for a Friedrich 1 ton split system. The existing insulation is less than a year old and is...
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