Can be done and might be a great option for you. Only drawback is when the heat pump goes into defrost there is no air tempering. A hot water coil zone from the boiler might help with that.
Type: Posts; User: comfortdoc
Can be done and might be a great option for you. Only drawback is when the heat pump goes into defrost there is no air tempering. A hot water coil zone from the boiler might help with that.
I have never heard of a PEAD with zone dampers installed. Might be time for the installer to get a Mitsubishi tech rep out to inspect the system.
If your adding an outdoor unit that energizes the reversing valve for heat onto a system that energizes o for cool you need to reverse the logic.
MHK2 is programmed to 67 minimum temp. Ask your dealer for Kumo cloud. That gives more setup options for temps.
127TAN is a Copeland two-stage scroll compressor.
189BNV is a variable speed Toshiba Rotary compressor operated in 5-stages.
288BNV is a variable speed Toshiba Rotary compressor operated in...
The compressor used depends on the model. What model of each brand are you considering?
What was the diagnosis the second time he was out?
That thermostat already has usage data available.
The two wires going outdoor are communication wires. Low voltage is produced outside.
Which control do you have on the wall? Post a picture.
Sounds like 3 is setup as a dump zone.
Get a roofing company to properly seal that. I can’t tell exactly what your roof material is, but what they did is wrong.
Who originally sealed the roof penetrations? How long does it take after the rain starts before the water shows up inside?
Take a hose up on a dry day. Start running water from the lowest points...
Tell your contractor what you want to accomplish. It is not difficult.
Which manufacturer and model are you looking at?
You already figured one way. Might involve other components. Your contractor gave you another way. The install instructions for the humidifier probably show at least one other option.
Someone messed up during setup. Is this a new system or control?
It started 5 years ago when the plumber put a device on. Seems it is the culprit. Need someone onsite to investigate that.
Based on your description your equipment is oversized.
You are on the right track to see what the repair will cost first. If replacement is the route you decide make certain they do an accurate...
What type system do you have? How old is it? Has this issue been happening since the system was installed, or it it new?
That info should be in the documents that were included with your furnace. The installer should also be able to supply.
If you want heat hire a professional HVAC tech to investigate what is actually installed and also determine why he outdoor unit is not operating below 40 degrees. There is no way for us to know...
Since the units are not built to be installed in moist environments, they have no moisture protection. There is a coating that can be put on the board, like is done to the outdoor boards, but I’m not...
You need an engineer to design this to know it is correct and safe.
The fan has to continue operating since the temp sensor is in the wall unit.
Everything I find lists it as a 10 kw heat kit.
The Mitsubishi you have listed is not compatible with using a branch box. There is an M series product that is. You have not found the right dealer yet if they do not know this.
It is an inverter powered compressor controlled by several computers. Any necessary delays are built into the control algorithms. Being inverter controlled and inherently soft start it does not...
Call a qualified service technician that knows how to test each component and recommend a reliable repair plan.
Is the stat connected to Wi-Fi? That is how it gets outdoor temperature. Is there an outdoor temp displayed on the stat?
Most manufacturers have gone to a water based lubricant for the stamping process and rust prevention. It’s not as toxic as the older oil based lubes. As stated, open windows and set heat to 80. Let...
It allows combustion air into an enclosed closet.
You are trying to force system components together that are not compatible. Why not let your contractor design a solution that will satisfy your needs.
What model furnace is this?
The answer to your question is maybe. Your contractors distributor will know definitively if that combination of indoor units will work with the outdoor unit you have.
What is published accuracy of sensors? Are both sensors in exact same place?
Use a different service company.
Is this your equipment?
It does not appear so. Call Honeywell and ask. If it is possible they would be happy to sell the sensor.
I would ask the builder why this was missed. Don’t you have a warranty from them for new home build?
Yes.
It is a fire hazard. If there is a blower failure the heat can rise into that section of duct. Cooler air is drawn up from the house and can increase the time it takes for the limit to trip.
Have...
Have they announced the job is complete and they expect payment? If not, bring to their attention. If they are reasonably professional this will be taken care of before they are done.
When the outdoor unit runs in heat mode does it cool the house?
No. There is still required troubleshooting to determine if the board is actually at fault. All inputs and outputs related to the failure mode must be investigated first. And there is more to...
This is not a Daikin problem. This is an application issue and also a lack of education from your installing dealer. They should have made you aware of the limitations of what you want to do.
The...
That is not true. To keep it somewhat simple, those are the pressures the system should be leak checked at. They have nothing to do with operation.
If that is normal, all the time supply voltage, I would not recommend another inverter system. First thing is get a qualified electrician to install a dedicated multi-function surge suppressor on...
The humidifier connects to the furnace. The Infinity UI will then control it.
Please describe what you mean by humidistat plate. Give info for all equipment and controls so we have an idea what you have and possibly guide you.
Hire a heating professional to assess the closet for proper clearances and fresh air for combustion. What you describe sounds like a fire / health risk.
Get a low level CO detector and leave the...