Question about Carrier Air Conditioners

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I am living in a home with a carrier furnace. The furnace is in the back part of the house in a store room. It has two- 2 1/2 inch plastic pipes. One that suppplies air to the furnace and the other is venting air out. Both picpes go though an outside wall. Also above the furnace in the ceiling of the room is an air supply vent bringing in outside air through an outside wall. Is there a purpose for having this second vent in the ceiling as it brings in so much cold air into the room & into the house?

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As long as the fresh air intake pipe to the furnace is not plugged up the second vent is not needed some homes when they are new are air tight and need a fresh air circulation system

Posted on Oct 30, 2008

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Does my furnace require outside air?


I'm surprised the building inspector allowed the condensing furnace you described draw combustion air from the garage !! I'm not familiar with any manufacturer that recommends that as normal practice. Virtuall ALL two pipe condensing furnaces require both pvc pipes to be terminated OUTSIDE the structure with specific heights and distances apart. There is also a limit to the length of both the flu and the combustion air piping and each 90 degree pvc elbow adds the resistance equivalant of roughly 10' of straight pipe. If re-routing is required, you have to bear in mind the direction of 'fall' in the piping usually goes back towards the furnace and remember two 45's may give you a greater variance of change in the piping and still be equal to the equivalant of one 90.

Personally, I would never suggest terminating the fresh air (combustion air) intake between floors of a structure.

Jan 02, 2015 | Carrier Air Conditioners

Tip

Keeping your whole home cool with central air.


Sometimes it is difficult to keep your home cool in the hot summer months. Also, some areas of your home may still be hot where other areas are too cool. Try this method to keep your home cool evenly throughout. Before you get started make sure your furnace filter is new. This will allow for maximum air flow.

If your living space is a single floor plan:

  1. Turn the air conditioning on
  2. Switch the furnace fan from auto to on.
  3. Measure the temperature in each room.
  4. Close the vents by about half in the cooler rooms
  5. This will force more cool air into the warmer rooms.
  6. Keep adjusting the vents until all the rooms have the same temp.

If your living space is on more than one level:

  1. Turn on the air conditioning.
  2. Switch the furnace fan from auto to on.
  3. On the lowest level of the house close half of the vents that are the closest to the stairs.
  4. This will force more cool air to the top floor where it is usually hotter.
  5. Cool air will sink from the upper floors which will keep the area near the stairs cool.
  6. Measure the temperature in all the rooms.
  7. Keep adjusting the vents until you have a nice even temperature throughout the house.
I found that leaving the furnace fan on all the time will keep your home evenly cool and comfortable. You may have to replace your furnace filter once a month due to the increased air flow. It will be well worth it in a cooler, more comfortable, and more energy efficient home.

Take Care,

Eric

on Aug 09, 2010 | Air Conditioners

1 Answer

What could cause carrier fault code 42 besides bad inducer


Could be several causes.
1. Blockage on piping
2. Water in inducer housing slowing down inducer impeller
3. Condensate trap for furnace clogged up.
4. Inducer motor going bad.
5. Leak in vacuum hoses or not connected.
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Make : Weil-McLain Model : CG-5-SPDN Series 12 I have the above mentioned boiler which is located on the 1st level of a three story one family house, the area where the boiler is located is insulated.


You don't have an optimum distribution of steam in your house. Try closing a little bit the valves supplying the heaters in the lower floors. Close a little bit more until you get the desired balance.

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1 Answer

We are planning to add several natural gas appliances behind our house. One being a 10KV Generator,the other a gas fire pit.Also Possible a small gas furnace in a work shop. I already ran a one inch black...


Hello It is IMPORTANT to keep the entire run 1".When you get close to the appliance use a 1"X1/2"X1"bull tee.Right now you need 2.Use a 1"plug at the end for future furnace hook up.You need to maintain 1" for pressure during demand reasons.You can use 1"X3/4X1"bull tee if the appliance(gas valve) takes that size ,you can't go wrong with larger pipe.Install a BALL **** at each tee for service.

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I'm looking to purchase a Rudd 2 stage model, 16 SEER, 5 ton along with a 100000 BTU 95% furnace. I have a two story home and will only be using the 1 AC. Will the Rudd cool both floors?


Assuming that there are ducts ran upstairs and downstairs, it all depends on the square footage of the living spaces, i.e. bedrooms, living room, dining room, etc. You need an average of 1 cfm per sq ft. For every 1 ton of air, you have an average of 400cfms. So your 5 ton unit will cool/heat 2000 sq ft. A 16 seer unit with a 95% furnace is a nice buy and you will notice the difference for sure. Hope this helps!

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1 Answer

Filter location


is this a split system or package unit. if u don't have a filtered return inside the house where the return air is and just grilles( return is the air being sucked back to furnace). look inside the furnace where the blower motor is the filters can be in the plenum above the blower if its a counter flow or if its upflow they might be below the the blower or on the side of the blower. wherever the return air comes back to the furnace look there. also if there is 2 panels behind the flue pipe that may go up remove the right side panel and there may be 2 filters in a v pattern above the blower.

May 27, 2009 | Carrier Air Conditioners

1 Answer

Control suplimental system with carrier infinty system


Not really unless it is 24v control on the new stuff. However it is you can use the voltage from white (or W) at the tstat. You will be using the power supply of the carrier furnace. install a 3 amp fuse. and be prepare to replace the fuse in furnace while testing . The most you can get on those transformers is about 10 mpers @ 24v.

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Ignition proving failure


Can you give me an idea what code 34 represents?

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Furnace-not heating all rooms to set temperature


Depending on where your living room is in comparison to your furnace it could be just that the fan doesn’t have enough force to get it there so what is happing is that all the other air is reaching other rooms before it. There are products that can help with this u can find them at larger hardware stores they r inline fans that go in the ductwork or there r a flat type of fan that mounts on the vent and plugs into a wall outlet that will pull the air to that room the latter would be much easier but it is your choice. Hope this helps.

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