Fantech SER 1504N Installation, Operation And Maintenance Manual

Also see for SER 1504: Installation manual Instruction manual

Contents

Fantech SER 1504N Installation, Operation And Maintenance Manual Manual pdf 28 page image

28TROUBLESHOOTINGSolutionsCausesProblemDehumidistat control is set too lowDehumidistat control is set too highSudden change in temperatureStoring too much wood for heatingDryer vent exhaust is inside homePoor air circulating near windowsWell sealed basement door is closedImproper adjustment of dehumidistatcontrolAir is too dryAir is too humidPersistent condensationon windowIncrease the desired level of humidity. Change ventilation mode fromcontinuous mode to standby.Balance ERVReduce the desired level of humidity. Combine this step with use of con-tinuous exchange mode.Wait until outside temperature stabilizes (winter). Heating will alsoimprove situation.Store a majority of your wood outside. Even dried, a cord of wood con-tains more than 20 gallons of water.Arrange outside vent for dryer.Open curtains or blinds. Bay or bow windows may require mechanicalmethod.Balance ERVOpen the door or install a grill on the door.Reduce the desired level of humidity. Combine this with the use of con-tinuous exchange mode.Balance ERV-Clean exterior hoods or vents-Remove and clean filter-Remove and clean core-Check and open Grills-Have electrician check supply voltage at house-Check duct installation-Increase the speed of the ERV-Have contractor balance ERV-Locate the Grills high on the walls or under the baseboards, install ceil-ing mounted diffuser or Grills so as not to directly spill the supply airon the occupant (eg. Over a sofa)-Turn down the ERV supply speed. A small duct heater (1kw) could beused to temper the supply air-Placement of furniture or closed doors is restricting the movement ofair in the home-If supply air is ducted into furnace return, the furnace fan may need torun continuously to distribute ventilation air comfortably-Note: minimal frost build-up is expected on cores before unit initiatesdefrost cycle functions-Have HVAC contractor balance the ERV-Tape and seal all joints-Tape any holes or tears made in the outer duct covering-Ensure that the vapor barrier is completely sealed.-1/4” (6mm) mesh on the outside hoodsis plugged-Filters plugged-Core obstructed-House Grills closed or blocked-Dampers are closed if installed-Poor power supply at site-Ductwork is restricting ERV-Improper speed control setting-ERV airflow improperly balancedPoor Air Flows-Poor location of supply Grills, the airflowmay irritate the occupant-Outdoor temperature extremely coldSupply air feels cold-ERV air flows are improperlybalanced-Malfunction of the ERV defrostsystemERV and / or DuctsFrosting up-Incomplete vapor barrier aroundinsulated duct-A hole or tear in outer duct coveringCondensation or IceBuild Up in InsulatedDuct to the OutsideERV out of balanceERV out of balanceERV out of balance