NuTone CV-352 Installation Manual

Contents

NuTone CV-352 Installation Manual Manual pdf 3 page image

3FIGURE 3THE SPLIT-LEVEL HOUSELike the two-story house, the split level installationcommonly calls for a two-level trunk line.Here, the power unit islocated in the garage.The intake tubing runsexposed up thegarage wall andinto the ground levelsection's attic.Two branch linesconnect this partof the trunk line to inletlines whichare droppedinside interior walls. A verticalbranch line runs to the upstairs attic,where the trunk linebranches into a T-shape.This trunk line connects to twoupstairs inlet lines and to one inlet line which drops through anupstairs wall and down intothe third-level utility room. This last inlet servicesboth the utility room and a large L-shaped recreation room.See Figure 3.EXHAUSTPOWERUNITINTAKETRUNKLINEVERTICALBRANCHLINEBRANCHLINESINLETLINEINLETINLETBRANCHLINELOCATING THE POWER UNIT• Locate the power unit away from the general living area.• The power unit is equipped with an inlet. When planning,remember the power unit has an inlet for a garage, basement,utility room, etc.• Locate the power unit in an accessible area for changing thesoil bag and periodically cleaning the secondary filter.• Locate the power unit within six feet of a grounded electricaloutlet. The power unit requires a 120 vAC power source.• Do not locate the power unit close to a source of extreme heat(i.e., water heater) or in an area with an ambient hightemperature (i.e., attic, furnace room).• If the power unit is located in a closet or a small utility room,make sure the area is well-ventilated (i.e., with door louvers).• The power unit should be exhausted to the outside. Theexhaust should not be vented into a wall, a ceiling or aconcealed space in the house. The exhaust line should beterminated outside the home, using Model 393 Wall Cap or aroof vent.WARNINGPower unit must not be mounted in a high ambienttemperature area such as attic, furnace room, etc.LOCATING THE WALL INLETS• Locate inlets on interior walls.• Choose central locations which allow several rooms to becleaned from a single inlet.• Locate inlets centrally so that a maximum area can be cleanedwith the 30' hose.• Locate inlet within six feet of an electrical outlet to allow use ofoptional current-carrying hose.• Be sure tubing will not obstruct electrical, plumbing or othermechanical installation.• Be sure inlets will not be blocked by doors or furniture.TUBING• The installation should consist of a main trunk line running fromthe farthest wall inlet to the power unit location, with branchlines running to each additional inlet. Beginning at the areafarthest from the power unit, choose a tentative inlet location.measure (30 feet for 30 foot hose) from the proposed inletlocation to the farthest corner of the rooms to be cleaned bythat inlet to determine if inlet location is proper.• Move tentative inlet location if necessary. Use the sameprocedure to determine each additional inlet location, alwaysworking toward the power unit.• Generally, an installation will require 3 to 4 inlets and 16 to 20feet of tubing per inlet. It is suggested that a floor plan be usedto more accurately determine the quantity of materials needed.NOTE: Conventional metal or plastic strapping shouldsupport the exhaust tubing when a muffler is used, or at thejoints of long runs of tubing where another means ofsupport is not available.