HRVXXLVUInstallation InstructionsHEAT RECOVERYVENTILATORA12520HRVXXLVUNOTE: Read the entire instruction manual before starting theinstallation.SAFETY
10CONTROL BOARD OPERATIONBoard FunctionNOTE: To ensure proper operation of HRV, configurationjumpers are located on electronic control board and must
11TROUBLESHOOTINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injuryor death.Before installing or servicing system,
12Be sure to unplug and inspect the unit before proceeding with these steps. Start with problem 1, then problem 2 and so on.Table 7 – TroubleshootingP
13Override TestTo use override test function, a thermistor must be connected to thecontrol board. Unit must not be in defrost mode during an overridet
14If defrost is not working properly, check for proper damperoperation. To do this, turn unit to OFF position. Damper shouldclose.Safety FeatureThis n
2COMPONENT DESCRIPTIONThe following listed items are components of HRVXXLVU. SeeFig. 1).1281314963112151047A12505Fig. 1 -- HRVXXLVU Components1. Stale
3A12454Fig. 4 -- Exhaust VentilationCARBON MONOXIDE POISONING HAZARDFailure to follow this warning could result in personal injuryor death.Do not inst
45. Connect unit drain to building’s main drain. Provide slightslope from unit for run-- off.A12456Fig. 5 -- Condensate Drain With Loop TrapLocate and
5Ta ble 3 – Standard ControlMODEDEHUMIDISTATPOSITIONOPERATIONDAMPERPOSITIONFAN SPEED ON LEDAIR EXCHANGELEDOff Any Off Closed to outside Off Off OffLow
6Cooling:AUTO -- the ventilator selects the speed based on indoor humidityand outdoor temperature. It may cycle on/off every 30 minutesdepending on hu
712”(300mm)FLOWCOLLARFRONTFRESH AIRFROM OUTSIDESTALE AIRTO OUTSIDETEMPORARYFLOW COLLARTEMPORARYFLOW COLLARRIGHT SIDE VIEWwith vertical ductsRIGHT SIDE
812” (304 mm)12” (304 mm)36” (914 mm)36” (914 mm)ORBAF GA12452Fig. 1 2 -- Balancing HRVXXLVUMeasure exhaust air first, it is typically the lowest pres
9WARNINGELECTRICALSHOCK HAZARDDisconnect power before servicing / maintenance or field wiring. Reinstall all panels before operating. Failure to do s
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