© ProAir Systems: Heat Recovery Ventilation Specialists
Maintenance of ProAir 300 HRV Unit
WARNING Safety is of the utmost importance whilst working on the system. The power supply must be disconnected before attempting any procedure. Wear protective clothing and an appropriate face mask in the attic space if recommended by the insulation provider. Gloves should be worn when handling filter media
1 Cleaning the Filter Media.
Dirty or clogged filters can lower ventilation efficiency. It is highly recommended that they are cleaned at least every three months. Having turned off the power
Remove the 4 thumb screws from the topside of the exchanger unit.
Remove the cover to reveal the exchanger core & filter housings.
Extract each filter housing separately noting it’s location and orientation.
Clean the filter media by using a vacuum cleaner.
Refit the filter media into the housing exactly as previously fitted.
Replace the HRV unit cover.
Refit the 4 thumb screws.
2 Changing the Filter Media.
This should be done on an annual basis. A spare set of filters has been provided for installation at the end of the first year’s operation. For subsequent years order the replacement media from ProAir Systems (Order Form at the back of this booklet).
Remove the 4 thumb screws from the topside of the exchanger unit.
Remove the cover to reveal the exchanger core & filter housings.
Extract each filter housing separately noting it’s location and orientation.
Clean the filter media by using a vacuum cleaner.
Refit the filter media into the housing exactly as previously fitted.
Replace the HRV unit cover.
Refit the 4 thumb screws.
3 Three year service by ProAir technician.
This consists of cleaning the heat exchanger, checking the fans for dirt build-up and clearing of same, check and cleaning of condensate drain, replacing of filters and overall check of the system operation.
A record of all maintenance work done should be kept.
On a regular basis check the outdoor intake and exhaust hoods. Remove leaves, dirt, waste paper or other obstructions that may be blocking the outside vents of your HRV. Remove and inspect the grilles covering the duct ends. Without this vital airflow, the unit will not function properly. During winter, clear any snow or frost buildup blocking outside vents. Once a year, check all the ductwork leading to and from your HRV. If ductwork is damaged, crushed, kinked etc. contact ProAir to have it repaired correctly.
WARNING Safety is of the utmost importance whilst working on the system. The power supply must be disconnected before attempting any procedure. Wear protective clothing and an appropriate face mask in the attic space if recommended by the insulation provider. Gloves should be worn when handling filter media
1 Cleaning the Filter Media.
Dirty or clogged filters can lower ventilation efficiency. It is highly recommended that they are cleaned at least every three months. Having turned off the power
Remove the 4 thumb screws from the topside of the exchanger unit.
Remove the cover to reveal the exchanger core & filter housings.
Extract each filter housing separately noting it’s location and orientation.
Clean the filter media by using a vacuum cleaner.
Refit the filter media into the housing exactly as previously fitted.
Replace the HRV unit cover.
Refit the 4 thumb screws.
2 Changing the Filter Media.
This should be done on an annual basis. A spare set of filters has been provided for installation at the end of the first year’s operation. For subsequent years order the replacement media from ProAir Systems (Order Form at the back of this booklet).
Remove the 4 thumb screws from the topside of the exchanger unit.
Remove the cover to reveal the exchanger core & filter housings.
Extract each filter housing separately noting it’s location and orientation.
Clean the filter media by using a vacuum cleaner.
Refit the filter media into the housing exactly as previously fitted.
Replace the HRV unit cover.
Refit the 4 thumb screws.
3 Three year service by ProAir technician.
This consists of cleaning the heat exchanger, checking the fans for dirt build-up and clearing of same, check and cleaning of condensate drain, replacing of filters and overall check of the system operation.
A record of all maintenance work done should be kept.
On a regular basis check the outdoor intake and exhaust hoods. Remove leaves, dirt, waste paper or other obstructions that may be blocking the outside vents of your HRV. Remove and inspect the grilles covering the duct ends. Without this vital airflow, the unit will not function properly. During winter, clear any snow or frost buildup blocking outside vents. Once a year, check all the ductwork leading to and from your HRV. If ductwork is damaged, crushed, kinked etc. contact ProAir to have it repaired correctly.
