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NOTE: Home with multiple forced air systems should have one unit on each system. Stale air coming from the registers located at the highest level of the house is exhausted to the outside. Fresh air from outside is filtered and supplied by the register located in the lowest liveable level. Homes with more than one level require at least one exhaust register at the highest level. See figure at right. Stale air coming from the registers located at the highest level of the house is exhausted to the outside. Fresh air from outside is filtered and supplied to the return (plenum) or the supply duct of the forced air unit. See figure at right. Stale air is exhausted to the outside. Fresh air from outside is filtered and supplied to the return (plenum) or the supply duct of the forced air unit. See figure at right. To avoid cross-contamination and achieve the highest efficiencies, the forced air system blower must always be ON. NOTE: Home with multiple forced air systems should have one unit on each system. - 7 - VH0055 VH0056 VH0057 2. TYPICAL INSTALLATIONS (CONT’D) 2.4 INSTALLATION FOR ERV UNITS ONLY 2.4.1 GEOGRAPHICAL LOCATION The ERV units are created to meet specific requirements related to geographical locations. Take a look at the map below; the shaded area shows the limits where the ERV unit can be installed. However, there is no geographical limitation for installing an HRV unit. ANCHORAGE WHITEHORSE JUNEAU HAY RIVER YELLOWKNIFE Prince Rupert FORT SMITH JA VICTORIA OLYMPIA SALEM HARRISBURG SACRAMENTO DENVER TOPEKA SUDBURY TORONTO DETROIT INDIANAPOLIS SANTA FE SPRINGFIELD OKLAHOMA CITY PHOENIX COLUMBUS NASHVILLE ATLANTA BATON ROUGE AUSTIN COLUMBIA RALEIGH WASHINGTON OTTAWA NORTH BAY VAL-DOR CHICOUTIMI HARTFORD CHIBOUGAMAU MONTREAL QUEBEC BOSTON GOOSE BAY LABRADOR CITY SEPT-ILES MATANE GASPE BATHURST ST-JOHN HALIFAX CHARLOTTETOWN ST JOHN’S RENO VN0006 NOTE:The ERV unit is designed to assist in the management of humidity introduced into the home. During cooling season, in extreme humidity conditions, the use of additional dehumidification unit may be required to quickly remove all excess moisture. During heating season, in extreme dryness conditions, the use of a humidifier may be required if the indoor air is still too dry. 2.4.2 ERV UNITS ATTIC INSTALLATION All 3 types of installations can be used in the attic (Fully ducted system, Central Draw Point or Simplified). The example shown below is a Simplified installation (connection to a forced air system). CAUTION Due to the potential temperature difference between the attic and the rest of the house, all unit ducts must be insulated. CAUTION The attic temperature must always be above 0°C (32°F). Stale air is exhausted to the outside. Fresh air from outside is filtered and supplied to the return (plenum) of the forced air unit. See figure at right. To avoid cross-contamination and achieve the highest efficiencies, the forced air system blower must always be ON. NOTE: Home with multiple forced air systems should have 1 unit on each system. - 8 VH0058 3. INSTALLATION 3.1 INSPECT THE CONTENTS OF THE BOX • Inspect the exterior of the unit for shipping damage. Ensure that there is no damage to the door, door latches, power cord, etc. • Remove and discard the 2 transport brackets (A) and open the door. Discard the styrofoam fillers (ERV units only) and remove the hardware kit from the unit. Inspect the interior of the unit for damage. Ensure that heat or energy recovery core, core filters, insulation, dampers, etc. are all intact. VD0183 A 3.2 LOCATING THE UNIT Choose an appropriate location for the unit. • Within an area of the house where the ambient temperature is between 10°C (50°F) and 65°C (149°F) (basement, furnace room, closet, etc.). • So as to provide easy access to the interior of the unit, for maintenance. • Close to an exterior wall, so as to limit the length of the insulated flexible duct to and from the unit. • Away from hot chimneys and other fire hazards. • Allow for a power source (standard 3-prong grounding outlet). • For HRV units ONLY: Close to a drain. If no drain is close by, use a pail to collect run-off. 3.3 UNIT PREPARATION Both HRV and ERV units are equipped with 2 ports having integrated balancing damper. Turn the thumb screw (A) clockwise to manually open and adjust the damper (B). HRV UNITS: Set the Fresh air to building port to wide open position, and adjust the Exhaust air to outside port to 3rd notch. NOTE: If the unit needs to be balanced, adjust the damper of the Exhaust air to outside port to wide open position. See Section 7. ERV UNITS: Set both Fresh air to building port and Exhaust air to outside port to wide open position. VJ0032 A B Port with integrated balancing damper - Top view The door latches location can be changed from sides to front of the unit, according to the installation needs. VD0176 Latches on sides of the unit Latches in front of the unit To do so, turn the unit upside down. Open the latches and unscrew them fr...

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