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![]() BACHARACH Stinger 2000 Refrigerant Recovery Unit US $449.99
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![]() Bacharach Stinger 2000-3300 Refrigerant Recovery Unit US $539.99
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Refrigerant Recovery Unit
Reftec Diablo Refrigerant Recovery Unit
Heat Recovery Ventilator (HRV)
Your heat recovery ventilator (HRV) can help make your house a clean, healthy living environment, while keeping fuel bills down. But your HRV can't do all this without your help.
It only takes seven simple steps to keep your HRV happy…
The Seven Steps to a Happy HRV
Step 1: Turn Off Your HRV
First, turn off your HRV and unplug it.
Step 2: Clean or Replace Air Filters
Dirty or clogged filters can lower ventilation efficiency. Try to clean your filters at least every two months. Filters in most new HRVs can be easily removed, cleaned with a vacuum cleaner, then washed with mild soap and water before being replaced. Older units have replaceable filters. If your HRV is easily accessible, this is a five-minute job.
Step 3: Check Outdoor Intake and Exhaust Hoods
Remove leaves, waste paper or other obstructions that may be blocking the outside vents of your HRV. Without this vital airflow, your HRV won't function properly. During winter, clear any snow or frost buildup blocking outside vents.
Step 4: Inspect the Condensate Drain
Check to see if your HRV has a condensate drain — a pipe or plastic tube coming out of the bottom. If it does, slowly pour about two litres of warm, clean water in each drain pan inside the HRV to make sure it is flowing freely. If there's a backup, clean the drain.
Step 5: Clean the Heat Exchange Core
Check your HRV owner's manual for instructions on cleaning the heat exchange core. Vacuuming the core and washing it with soap and water will reduce dust that can build up inside the core.
Step 6: Clean Grilles and Inspect the Ductwork
Once a year, check the ductwork leading to and from your HRV. Remove and inspect the grilles covering the duct ends, then vacuum inside the ducts. If a more thorough cleaning is required, call your service technician.
Step 7: Service the Fans
Remove the dirt that has been accumulated on the blades by gently brushing them. Most new HRVs are designed to run continuously without lubrication, but older models require a few drops of proper motor lubricating oil in a designated oil intake. Check your manual for complete instructions.
Your HRV should be serviced annually. If you are not comfortable doing it yourself, contact a technician accredited by the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI). Make sure the technician you call has been trained by the manufacturer of your HRV.
Check Your HRV Balance: the Garbage Bag Test
HRVs need to be balanced, with the fresh air flow matching the exhaust flow. If you do not know if your HRV was balanced when installed or if you have changed or added HRV ducts, you may want to check the balance with the following simple procedure. This test will take about 10 minutes.
Use a large plastic bag, typically 1.2 m (48 in.) long. Untwist a wire coat hanger. Tape the wire to the mouth of the bag to keep it open. You now have a garbage bag air flow tester. Go outside to where your HRV ducts exit the foundation.
Step 1
Crush the bag flat and hold the opening tightly over the exhaust hood. The air flowing out of the hood will inflate the bag. Time the inflation. If the bag inflates in eight seconds or more, go to Step 2. If the bag inflates in less than eight seconds, turn your HRV to a lower speed, and repeat the test. Then go to Step 2.
Step 2
Swing the bag to inflate it and hold the opening against the wall around the HRV supply hood. The air going into the HRV will now deflate the bag. Time the deflation.
Figure 1 — Test your HRV balance with an inflated bag
If your HRV is balanced, air going into the HRV will balance the air coming out of the HRV.
The inflation and deflation times should be roughly equal. If you find that the bag inflates twice as fast as it deflates, for instance, your HRV is unbalanced. If you can't see a problem with the filters that would cause such an imbalance, you should call a service person to test and adjust your HRV.
Please don't ignore your HRV! Just a little bit of your time is all it takes to keep it running smoothly.
The easy maintenance program below can be taped directly onto your HRV. Simply check off each box as you complete the indicated task.
About the Author
John Carle RE/MAX Real Estate Edmonton 102 12650 151 Ave Edmonton, AB T5X 0A1 John@Knock-Knock.ca http://www.knock-knock.ca 780-937-7534 / 780-701-9090
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Frequently Asked Questions...
Home Air conditioning system rip off?
I paid for a 14 Seer heat pump/condenser (outside unit) and a 13 Seer variable speed air handler to replace my old 10 Seer units. I am using the same number of KW hrs/day, and I found out the outside unit is only rated at 13 Seer. Carrier says the combination of these two units is equal to a 15 Seer system. Can 2+2=5 in AC?THe contractor also disconnected my hot water recovery system , said it wouldn't work with the new PR410 refrigerant.
Carrier just refer me back to the installer if I press for more info.
Answer:
I used to work for a Carrier dealer in Ohio as the CSR, trust me those sales people will tell you anything to sell it. As long as it works, you can't do anything. But just keep calling in service on your warrenty, tell them anything to get them out there. Make them work for it. those bastards


































































