Elitair COOKER HOOD PN-36 Troubleshooting Guide

Heat Recovery VentilatorHVAC-HRV ENG 3/10/03 10:10 am Page 1

7THE HRV SYSTEMComponents of an HRV SystemAn HRV system generally consists of the following equipment:• insulated ducts for incoming (fresh) and outgo

8During the heating season, an HRV recovers heat from theoutgoing, stale household air and uses it to preheat incom-ing, fresh outdoor air. The HRV th

9Air DistributionThere are two standard ways to distribute fresh airthroughout the home – through ductwork installed specifically for the HRV (direct

10An HRV can also be installed to work in conjunction with aforced-air furnace system, as illustrated in Figure 3. In thiscase, the HRV’s fresh-air du

11Checking Airflow Room by RoomAs a general rule, a direct-ducted system should provide atleast as much airflow per room as shown in Table 2 on page 6

12The Need for a Balanced SystemHRVs are designed to operate in a balanced state – thesame amount of air should be drawn into the home as isbeing exha

13FIGURE 4Effects of air pressure on a houseFinding a Contractor to Service Your HRVTo find a qualified HRV contractor, look under HeatingContractors

14Although your HRV should have been balanced duringinstallation, it is a good idea to have the system checked by a qualified contractor once a year.

15The operating controls may include the following functionsdepending on the installation and the HRV model: • high-speed and low-speed controls;•a ci

16High-Speed OperationUnder certain conditions, the ventilation rate in your home may need to be increased from low-speed operation.Depending on the i

Heat Recovery VentilatorProduced by Natural Resources Canada’sOffice of Energy EfficiencyEnerGuideThe Home Heating and Cooling Series is published byN

17Considerations for Heating Season OperationMost HRVs feature an automatic defrost mode that acti-vates when the temperature of the incoming fresh ou

18You may find that operating the HRV keeps the home coolerand quieter than opening windows for ventilation. Keepingwindows closed also provides bette

19Seven-Step Maintenance ScheduleWith routine preventative maintenance, you can avoidunnecessary problems, ensure the effectiveness of yourHRV, and pr

20FIGURE 5Example of location of filters in an HRVINTERIOROF THEHOMEOUTDOORSScreenStale airfromHouseFresh airtoHouseFilterFilter2. Clear the exterior

213. Clean the heat-exchange core. Inspect the heat-exchangecore twice a year and clean it as required (consult yourowner’s manual for instructions on

225. Service the fans. The fans on many HRVs are designed tooperate continuously without lubrication. Your owner’smanual will indicate whether lubrica

23The HRV’s annual servicing should include the following:• maintenance items 1 to 6 (above). Additional requirements specified by the manufacturer sh

HRV MAINTENANCE CHARTUnless otherwise recommended by the manufacturer, service your HRV according to the following schedule. If service or maintenance

25OPERATING PROBLEMS ANDSOLUTIONSAs with any appliance, problems can arise with your HRV,even if it is operated according to the manufacturer’sinstruc

26ProblemHRV runs on one speed onlyDamaged duct insulation jacketCold drafts in living quartersPoor air quality/excess moisturethroughout the houseAir

National Library of Canada cataloguing in publication dataMain entry under title :Heat recovery ventilatorIssued also in French under title: Ventilate

27NEED MORE INFORMATION?Order Free Publications From the OEEThe Office of Energy Efficiency (OEE) of Natural ResourcesCanada offers many publications

28The EnerGuide label, which is affixed to all new majorelectrical household appliances and room air conditioners,helps you compare the energy ratings

29To receive any of these free publications,please write or call: Energy PublicationsOffice of Energy EfficiencyNatural Ressources Canadac/o S.J.D.S.O

30If you cannot find a qualified contractor in the Yellow Pages™, a list of residential mechanical ventilationinstallers in your area is available by

Manufacturer Brand Name Address Telephone NumberCarrier Canada Carrier 1515 Drew Road (905) 405-4065Mississauga, ONL5S 1Y8Honeywell Limited Honeywell

32NOTES00-211 english booklet 3/20/03 12:00 pm Page 32

3300-211 english booklet 3/20/03 12:00 pm Page 33

Leading Canadians to Energy Efficiency at Home, at Work and on the RoadThe Office of Energy Efficiency of Natural Resources Canada strengthens and expand

Table of ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2The Need for Mechanical Ventilation .

2INTRODUCTIONThe importance of ventilation in today’s more energy-efficient homes is universally recognized. Introduced as a requirement for airtight

3THE NEED FOR MECHANICALVENTILATIONCleaning the Air in an R-2000 HomeR-2000 homes are built to be extremely airtight. This limits the uncontrolled flo

4random and does not always provide adequate ventilation,which is just as important in a conventional home as in anR-2000 home. Even when there is an

5Some Typical Household PollutantsYou can eliminate or reduce certain sources of indoor airpollution by understanding where household pollutantscome f

6How Much Ventilation Does Your Home Need?The capacity of a home’s ventilation system is usually basedon the number of rooms in the house. HRV capacit