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D/-% i n R V V m mi N V Its configuration may be changed by following r'11 1__0 <br /> LAUNDRY EXHAUST the instructions indicated on the diffuser. <br /> Outside air intake <br /> AIR OUTLETS WITH The fresh air supply to the fan unit must be <br /> SELF-BALANCING taken from the outside.The ht diameter duct <br /> should be laid out in a straight line,and be no <br /> AIRFLOW longer than 36 ft. <br /> The outside air intake vent should not create a <br /> CONTROLLERS pressure drop greater than.04"w.g.for <br /> 115 cfm. <br /> K t If the duct is run in a heated space it may be <br /> necessary to use insulated duct in order to <br /> 3.. avoid condensation. <br /> .-. <br /> CEILING <br /> ►�•��1��0 -��" 1 CONFIGURATION <br /> INTAKE/EXHAUST VENT <br /> 4112'` i 23014 <br /> WALL ':Ta.� ".,;, <br /> OUTLET GRILLE CONFIGURATION <br /> 22004 <br /> 03 --(-+ 14 DIFFUSERS 124021 <br /> INTERLOCKING } <br /> A EXTENSIONS <br /> DUCT SYST M <br /> inside <br /> d r <br /> 1� Ducting between heat exchanger and °" °"b tie Plate <br /> fan unit . -; <br /> T' Flexible 6"diameter du t must be used. If a <br /> SLEEVE 043/9" �' defrost unit is used be, <br /> a the fan,the use of <br /> zzool insulated duct is desire for the fresh air run. ♦ ! �„ <br /> Likewise,insulated duct ay be necessary, <br /> because of condensatio risks,on the stale air <br /> DUCTING duct run to the fan. <br /> SLEEVE _T Ducting between the h at exchanger and 16 honmtnal installation vertical installation <br /> GRIPPERSoutlets or inlets <br /> SELF-BALANCING •6"diameter duct for th kitchen; Exhaust to outside <br /> AIRFLOW CONTROLLER The polluted stale air may be exhausted either <br /> BLOCKING •3"diameter duct for th other exhaust air <br /> RING through the roof or a wall vent.The same <br /> —$ runs,as well as all of tho e for the supply air. g <br /> conditions as above,concerning the lay out, <br /> If the exchanger is installe in the heated length of 6"diameter duct,and pressure drop <br /> EXHAUST AIR OUTLET envelope of the house,an ordinary flexible must be avoided. <br /> FOR BATHROOM 8 POWDER ROOM plastic ducting may be us d. <br /> 13 When the heat exchanger and all the ducting Because of the risk of condensation,it maybe <br /> 9 9 necessary to use insulated duct for this duct <br /> Diameter of holes:3 1/4"to 3 3/8" are placed in an unheated space,a flexible run if it is in an unheated space. <br /> insulated duct should be u ed.When there is a <br /> The sleeves are specially designed,and have possibility,it is also recom anded to cover the <br /> .grippers.which once the sleeve is placed, duct with insulation.The e changer should <br /> hold it firmly in the hole. also be wrapped with insul tion. ROOF COWL <br /> 042 <br /> Where the ceiling or partition covering is too If only the exchanger is pla ed in an unheated OR 22036 <br /> thin to correctly hold the sleeve in place,a space,and the ducting is rought directly into <br /> blocking ring is provided.If on the other hand, the house,the secondary ucting need not be <br /> due to thickness of the pierced surface,the of the insulated type. It is r commended, <br /> sleeve is too short, it may be lengtheded by however,to insulate the pa of the secondary <br /> adding on supplementary inter-locking ducting which is exposed i the unheated <br /> extension parts. space. 17 <br /> Al the sleeves are individually marked NOTE:In colder climates, i is strongly <br /> according to their application,and 3 or 4, recommended that the enti a unit be installed Duct accessories <br /> depending on the kit,have airflow controllers in the living space or base ant. <br /> inside. <br /> The grille is made to simply snap into the Attaching duct to duct co nectors ELL <br /> sleeve. The duct connectors, made for flexible type 23.002 <br /> The sleeve is designed for 3"flexible ducting. ducting are threaded.Thus,the ducting may <br /> By slipping the duct onto the length of be easily attached by a 18 clockwise turn. FLAT DUCTING <br /> at least one extension element, a snug fit is It is generally recommended to twist the duct 91102 <br /> assured. onto the connectors before lacing the latter. STARTING COLLAR <br /> In partitions,where there are space problems, - 22,050 <br /> the installation may be done with the specially Flat duct connector <br /> designed plastic flat ducting and 3" ell <br /> connector(see accessories picture no 17). SLEEVE <br /> FLAT DUCTING w/"GRIPPERS" <br /> 911020 <br /> 22.001 <br /> 0111 <br /> SUPPLY AIR <br /> INLETS/DIFFUSERS <br /> CONNECTOR BATHROOM&POWDER <br /> Diameter of hole:3 1/4" to 3 3/8" 2301 ROOM GRILLE <br /> .�a 18 22.004 <br /> The supply air diffusers are installed with the _ <br /> same sleeve as described above.The inlets <br /> should be placed either in the ceiling or upper <br /> part of walls. <br /> 15 <br />