Carrier HRVXXLVU Installation Instructions Manual

Contents

2COMPONENT DESCRIPTIONThe following listed items are components of HRVXXLVU. SeeFig. 1).1281314963112151047A12505Fig. 1 -- HRVXXLVU Components1. Stale--air return from building connected to return--air ductsystem.2. Fresh--air intake connected to outdoor air inlet hood.3. Exhaust--air connected to outdoor air exhaust hood.4. Dampers are used to control air exchange with outdoor airduring defrost mode.5. Mechanical filters trap dust contained in the air.6. Heat recovery core is either a cross--flow type for compactmodels, or a counter--flow type for high--efficiency models.The core transfers heat between the 2 air streams. See Fig.2.Stale airfrom buildingFresh airfrom outsideFresh airto buildingStale airto outsideA12506Fig. 2 -- HRVXXLVU Airflow During Air Exchange7. Blowers bring in fresh--air from outside and exhaust stale--air to outside.8. Capacitor required for motor operation.9. Condensation tray collects condensate from heat recoverycore.10. Drainage tubes connect to sleeved grommets.11. Electronic control circuit ensures proper unit operation.12. Fresh air supply from HRV connect to return--air duct offorced--air system.13. Terminal connector block for wiring wall and timer con-trols.14. Electrical cord connects to standard 115V outlet.Select LocationThe HRV should be located in a conditioned space and in closeproximity to a fused power source. It should be easily accessiblefor routine maintenance.If HRV is installed independent of a forced--air system, unit shouldbe located near the center of the air distribution system. If HRV isinstalled in conjunction with a forced--air system, unit should belocated next to (or close to) the indoor equipment.UNIT INSTALLATIONUNIT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Do not install HRV in a corrosive or contaminatedatmosphere.CAUTION!Mount UnitThe HRV can be suspended from floor joists using chains and 4springs. Attach metal hanging bracket to all 4 sides of cabinet (seeFig. 3). Unit should always be installed as level as possible.A05331Fig. 3 -- Chain Spring InstallationIndependent System ApplicationIn the absence of a forced--air system and a typical duct systemlayout, the HRV can be applied as an independent or stand aloneunit. To ensure comfort, this type of application involves runningboth fresh--air and return--air registers (or stale--air pickup registers)throughout the home.