Aprilaire 6404 Bedienungsanleitung

Owner’sManual

PrefaceThank you for purchasing a new Aprilaire®Zoned ComfortControl System. We sincerely appreciate your business andare pleased to add your name to

Model 6404The Model 6404 is designed to work with your heating and coolingsystem, whether it is a furnace and air conditioner type system ora heat pum

Emergency Heat Operation(Heat Pump Equipment only)There are two options available for operation of Emergency Heat.The option used with your system is

System Pressure Relief With an Aprilaire Zoned Comfort ControlSystem, some form ofpressure relief must be designed into the system to assure properope

Please...Take a few minutes to visit us on-line atAprilaire.comto register your Aprilaire product.If you do not have on-line access, please mail a pos