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  • A stumper for the HVAC technicians?

    Maintenance & Repairs - 8 hours ago

    Additional Details

    So I'm in an HVAC class. My lab was a unit change out. Everything was going smooth and easy, until I tried to raise the head pressure to 278 psig. The first time I got my head pressure up around 278 psig. While measuring my subcool(which was fluttering around 20 degrees) the high pressure switch cut out. After that It cut out at around 160psig. I bypassed the hi/lo pressure switches, because they kept tripping, and raised head pressure to 200 psig. Above that and the compressor cuts out while the condenser fan keeps blowing. I weighed in the charge of 5.8 lbs of R-22, like the label on the unit called for, if anything it is overcharged. I pulled a triple evac. It is not on me yet to troubleshoot this unit, but I hate failure. This one has two of my instructors suspecting different causes; bad compressor or undercharge. Any ideas? To raise the head pressure, we wrap the coils with plastic and limit airflow. I say it is overcharged because 5.8 lbs is a complete charge with 25' of lineset. This unit has approximately 19' of lineset. The evap coil was not replaced with the condenser. The TXV works fine, it maintains 10 degrees superheat. I think I got everything. The filter drier is just a standard issue. About the size of an orange. The sight glass has a few stray bubbles, which I have received mixed information on. A short time instructor said a proper charge should show no bubbles, another instructor said a proper charge would show some bubbles. The subcool number does show an undercharge...either a coolant loss or I had the scale set to kilos? I think it was a potential relay. All those little black boxes look the same, and I could not see the wiring diagram without removing it from the unit. discharge temp. was around 85-110, the higher number with higher pressure. hermetic, scroll, 208 volt, high temp, used residential unit. We have dozens of A/C's, I swapped out a 13 SEER unit for an antique 12 SEER Rheem. I don't remember the amp draw, but it did increase as pressure rose. This problem developed near the end of the day. So we didn't have time to start troubleshooting. School is closed till Monday, but I have been pondering this since last night. From the questions you have led me with, I tend to suspect the compressor. The compressor was extremely hot to the touch. I think it was a potential relay. I could not read the schematic on it. I admit I am a rookie with no practical field experience. evap pressure stays steady at 70 psig. The pressure rises to around 80 psig when head pressure is forced up to 200 psig.
  • need help with upholstery fabric?? advice?

    Decorating & Remodeling - 12 hours ago

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    I'm buying fabric for my couches and I wanted to know if a blend of wool and polyester would be a good fabric.. I want something that is colour durable, easy to clean and would last a long time.. OH and something that wont lint up when i put it in the wash.. if anyone knows of such fabric please let me know.. thanks in advance
  • Drywalling question(gaps and jagged sheetrock).?

    Do It Yourself (DIY) - 14 hours ago

    Additional Details

    I'm not sure if I make sense to you, this is hard to explain. Basically there is a hole or groove about a inch deep in the sheetrock where he failed to snap the board clean. The grove is located in the middle on the ending. Now when I tape over this I can sorta see that I'm taping over a hole in a wall. I feel like this is not the proper way to do it and it can easy be "punched" through later on. What can I do to fix this gap so I can tape over something solider and the paste?
  • my new home has a fab laundry room,need some ideas ,i wanna it to be really nice.?

    Decorating & Remodeling - 17 hours ago

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  • how do you measure cleanliness?

    Cleaning & Laundry - 17 hours ago

    Additional Details

    I have a science fair project and for the research paper my teacher wants me to say how i would measure cleanliness... like from somebody else' project. Please leave a source
  • Are GE front load washing machines supposed to pause?

    Cleaning & Laundry - 17 hours ago

    Additional Details

    It pauses for about 3 sec about every minute during the washing.
  • I have always fancied myself as gardener but now my wife wants me to plant bulbs. Never planted bulbs before.?

    Garden & Landscape - 18 hours ago

    Additional Details

    Do I have to plant them in the fall, like now, or can they be planted in the spring. Tulips etc...etc.
  • My water heater wont keep heating after a few minutes it shuts off?

    Maintenance & Repairs - 19 hours ago

    Additional Details

    It is an American 30 gallon about 5 years old and operates on natural gas is this something I can fix myself ? Thanks in advance
  • What is the best time of the year to trim Burning Bush hedges?

    Garden & Landscape - 19 hours ago

    Additional Details

    I always thought you were supposed to trim them in springtime, but right now those little spindly branches with no leaves on them look pretty easy to trim to the height I want them at ......
  • HELP QUICK :| before mom gets back LOL?

    Cleaning & Laundry - 20 hours ago

    Additional Details

    I brought Heart Shaped Handwarmers from iwoot.com and your meant to boil them for 20 minutes to reuse, i boiled them too long and almost burnt my kitchen down :( and now it stinks >.< how'd i get fumes out QUICK omg, thanks so much everyone who commented :P she found out, but i think she's calmed down a bit, fingers crossed :D omg, thanks so much everyone who commented :P she found out, but i think she's calmed down a bit, fingers crossed :D

Low-Flush is Eco-Friendly

Every new home is flush with good ideas and you've undoubtedly learned that contractors talk their own talk, but what exactly is a low-flush toilet? A toilet may not feel like a glamorous detail but it is one of the important items in your new home, one that you will undoubtedly use every day.

By Cheryll Gillespie
Every new home is flush with good ideas and you've undoubtedly learned that contractors talk their own talk, but what exactly is a low-flush toilet? A toilet may not feel like a glamorous detail but it is one of the important items in your new home, one that you will undoubtedly use every day.

And when it comes to the royal seat, we actually have options. Since 1596 when JD Harrington invented the toilet, homeowners have been seeking the best seat in the house. Today we have options with respect to colour, design (how about a toilet with a self-closing lid or even a heated seat?) and even environmentally friendly options.

The Ontario Building Code was changed to enforce the use of low-flush six-litre toilets in all new residential buildings in 1996. Prior to the change, toilets were either the old-fashioned 20-litre or water-saver 13-litre toilets.

There's a lot of water difference here and you can easily see how low-flush units can save you a lot of money. A typical Canadian home will use 25 per cent to 40 per cent of its water consumption for toilet flushing. Since a toilet generally lasts 20 years, adding up the water savings on a low-flush unit and ensuring you are buying top-notch commodes is a wise investment for the new homeowner.

While the six-litre toilets are the best choice, there have been some problems. Some of the early low-flush units required multiple flushes to clear the bowl, defeating the purpose of a low-flush unit.

Fortunately over the last few years most of these problems have been ... flushed from the system, shall we say?
When you visit the supplier you will be presented with two basic low-flush options for residential toilets: Gravity-tank toilets, which are the most common and least expensive on the market. This type requires water in the tank and uses gravity to push water and waste through the bowl and tank.

The second is a pressure tank toilet. The units appear much the same as gravity tanks but house a secondary container inside the tank.

As water enters the main tank, it compresses air in the second, inner tank. Hence each flush is pressure assisted by the compressed air, pushing the waste material out of the bowl instead of relying on gravity to pull it out.
Both styles of toilets are generally made of vitreous china or porcelain.


A common complaint of the low-flush toilets is that they require more frequent cleanings and clog more readily than the older toilets. I never worry about the cleaning, since toilets should be spotless all the time and I find the latest models clear the bowl with one flush and seldom clog.
You can also consider the dual flush toilets, which will utilize the full six litres of water to flush solid waste but only use three litres for liquid waste.

Cheryll Gillespie is a nationally syndicated Design and Décor columnist.

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