Search:

I tried finding both of those. It appears rothenberger doesn't make it anymore.

I did find a spray bottle(non aerosol) and an aerosol made by "sprayon" that worked awesome


Sent from my...

He is correct. Demand defrost is "auto".

"30,60,90" would be a "time/temp" defrost

"Auto", "demand" defrost uses temp sensors and algorithms to determine the best time to go into defrost.

...

New furnace and the exhaust piping needs to be removed and replaced.

They also need to pay for the removal of soot on the house.

The ductwork should not have soot in it.

I would however...

On the damper itself or in the specs for it, it will state how long it takes to fully open.

If you give us the model of each, we can look them up


Sent from my iPhone using Tapatalk

My apologies;

The carrier infinity greenspeed utilizes an EXV in the outdoor unit. Not a TXV

EXV - electronic expansion valve
TXV - thermostatic expansion valve


Sent from my iPhone using...

You can test each damper individually. Either thru the infinity control or doing so manually at the damper.

If the unit is freezing up outside, you could have a few issues;

You verified coil...

When the defrost board was replaced, were the sensors also replaced? You may have a bad temp switch and not a bad board.

Where are you located?


Sent from my iPhone using Tapatalk

You're airflow readings look really good. I see no issue with those


Sent from my iPhone using Tapatalk

Correct. The dampers are considered a modulating damper.

They are not simply a open 100% close 100% damper. They open/close/modulate on what they need.

A round damper is a 45* damper and a...

So, its had the duct cal and damper miswired alarms since it was installed in 2013?

If you are getting a limiting error, it is most likely because your duct system was not engineered properly for...

Got a new ridgid bucket and dark cutting oil. Everything works fine now.

I was trying to use aerosol type cutting oil which doesn't work.

However, I ordered sprayon oil to try as a on the fly...

Oh.....you mean...like a wet tap?


Sent from my iPhone using Tapatalk

I use heavy duty ridgid cutters to cut it square.

I oil generously with CRC spray cutting oil. I think im going to try different oil and see.

Using old school power vise with hand threader...

Anyone use the Milwaukee threader?

I swear by using the threading dies in a circular motion causes the threads in the pipe to get messed up.

Using the old ridgid tristand power vise with a...

How about a hand sketched drawing for us slow people who can't follow what you are saying.

Gas pipe size, appliances, btus


Sent from my iPhone using Tapatalk

Yup. Wasn't cutting it out. Putting a long radius would have made it too short and needed a coupling. Haha


Sent from my iPhone using Tapatalk

Trying to create the standard 4 ACH


Sent from my iPhone using Tapatalk

Say one had no fresh air in a home and wanted to use a box fan with open windows. How could I calculate ACH

house is 3000sqft


Sent from my iPhone using Tapatalk

You could have air in the system. Air usually traps at the highest point in the condenser which would be the indoor unit in heating mode. You could have air which would be at the highest point and...

Both TXVs have internal check valves in them. There are no external check valves in the refrigeration system.

The filter drier is also field installed. Appears to be located at the IDU from your...

Btu = ^t * cfm * 1.08

3 * 2000 * 1.08

6,480 btu


Sent from my iPhone using Tapatalk

3412btu per kw

3412 x 8

3.41btu per watt

3.41 x 8000

27,296btu per heater

If you send serial numbers i can look and see if you have check valves or TXVs with check valves in them.

I would replace both since they are most likely both the same and made at the same time
...

That unit appears to be way bigger than 80,000btu of heat and 3tons of AC.

If this is true, that return setup will not work.

You can only get 1200cfm of air out of the side of a furnace.
...

The humidifier will stop operation once you remove the cover. There is a square plug at the bottom which disconnects once the door is removed.

The water pressure is most likely too much.

Turn...

On the unit, there should be a sticker that shows you minimum airflow for the size heater you have. I would go off of that.

8kw is smaller. I would go about no less then 800cfm which would give...

Are they replacing both TXVs?

If they are only replacing the indoor TXV, they may just "pump the unit down" which would store the refrigerant in the outdoor unit.

This would not be a full...

https://uploads.tapatalk-cdn.com/20201226/a337931909965bf808cd63435caeed53.gif


Sent from my iPhone using Tapatalk

Check valve and/or possibly air

Also could be more noticeable because of the way they secured the refrigerant lines since all the houses in the neighborhood are doing it.

You could try a full...

Well....from my experience, the economizer module usually fails and can take out an entire comm link.

Trane uses modbus to talk from board to board in a unit.

Im saying, unplug the modbus...

Been using the testo 330-2 LL for a few years

Works great
Fast pump
Replaceable sensors

I always pull the battery out after use. They seem to last ALOT longer if you do this.


Sent from...

How old is it? Do you have any BCI-r cards (red) boards on the link they are within a year or so old?

Trane had a bunch of bci cards that would randomly take the whole link down.

One way to...

It could be a pressure switch doing it's job

A flame sensor or flame sensor path to ground issue

Could be dirty burners/orifices

Clogged flue

Dirty condensate trap

Smoked weed and drank from 8th grade on.

From 5th grade to about 9th grade i did computer programming and web design. Learned on my own. Visual basic and used microsoft notepad to
Write HTML....

The greenhouse gases produced to make these renewable energy sources are crazy.

Im all for renewable energy if it makes sense.

Wind still needs oil to work
Solar panels are dirty
Lithium is...

Any install i do, regardless if it's residential or commercial, gets my own startup performed.

I'll review their startup and add my own stuff because the manufacturers startup is basic


Sent...

Was an old goodman


Sent from my iPhone using Tapatalk

I replaced the attic system 1-2 years ago as well. Heatpump


Sent from my iPhone using Tapatalk

This house was a modular. Between the 1st floor to the bottom of the 2nd has about 2' or more of space in the ceiling where the top and bottom halves were put together.

It is not common. They...

I usually don't run exposed high voltage. Conduit or greenfield.


Sent from my iPhone using Tapatalk

Yea. They are a Trane specific heatpump riser


Sent from my iPhone using Tapatalk

Yes, there are slits cut in the feet that go on the outside of the base. At least that's how i always thought they were supposed to go.


Sent from my iPhone using Tapatalk

The vacuum pump is sweet. I like it alot better than the appion


Sent from my iPhone using Tapatalk

The risers, they are in the slots


Sent from my iPhone using Tapatalk

Not the best one. But, it'll work.

New honeywell stat
new 20x20 and 14x14 filter grilles.
New lineset
New 4" filter at furnace
New aprilaire humidifier
New propane furnace
New coil
New AC

The nice thing about this meter is the low impedance while checking volts.

Most meters use a high impedance when checking voltage. Usually 1-10million. The t1000 uses 3k ohms i believe.

A low...

Did you bend the intake/exhaust pvc? Heat blanket or torch?


Sent from my iPhone using Tapatalk

https://uploads.tapatalk-cdn.com/20201125/0e2bce080cf225681fa63642a65d3f67.jpg
https://uploads.tapatalk-cdn.com/20201125/265f35e6e421d926a8c51d398009bea2.jpg...

I admire nit picking.

There is a main drip leg where the gas enters thru the wall and then branches to the units. We also installed drip legs where it goes into the stands that the boilers sit...

I agree with everyone else.

I always found basement loops to airlock because they usually are piped with inverted traps.

If your piping allows each zoned to be shut off and has a boiler drain...