NuTone CV350 User manual

Built-In Central Cleaning System
MODEL: CV350, CV353, CV450, CV553
SYSTEM PLANNING AND LAYOUT . . . . . . . . . . . . . . . . . . . . . .2
Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Locating the Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Tubing and Wall Inlet Location . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Locating Access Keys in Existing Construction . . . . . . . . . . . . . . .3
INSTALLATION IN NEW CONSTRUCTION . . . . . . . . . . . . . . . .4-8
Wall Inlet Rough-In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Installing the Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Wall Inlet Installation
Model 360 Wall Inlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Model 330 Wall Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Model CI390 Wall Inlet (Electrified Inlet) . . . . . . . . . . . . . . . . . .7
POWER UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Dimensional Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Tubing Connections at Power Unit . . . . . . . . . . . . . . . . . . . . . . .8
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
INSTALLATION IN EXISTING CONSTRUCTION . . . . . . . . . . .9-10
Wall Inlet Installation
Model 360 Wall Inlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Model 330 Wall Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
FLOOR INLET INSTALLATION . . . . . . . . . . . . . . . . . . . . . . .10-11
FINAL SYSTEM CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
INSTALLATION
INSTRUCTIONS
MODEL CV450 SHOWN

2
SYSTEM PLANNING AND LAYOUT
The NuTone Central Cleaning System consists of a Power Unit,
PVC Tubing and Fittings, Wall Inlets, a flexible Hose and various
cleaning Attachments.
The Power Unit is designed to be wall-mounted away from the
living area of the home and connected to the living area by
means of permanently installed in-wall tubing, fittings and inlets.
Generally, an installation will require 3 to 4 inlets and 16 to 20
feet of tubing per inlet. It is suggested that a floor plan be used to
more accurately determine the quantity of materials needed.
As an aid in planning the installation in either new or existing
construction, look at the following examples. You should be able
to adapt the examples shown to your specific home layout.
Here the power unit is mounted
in the garage. The intake and
exhaust tubing, the only exposed
tubing in the installation, runs up
the garage wall and into the attic.
The trunk line runs horizontally
through the attic from the power
unit to the farthest inlet location.
Branch lines spread throughout the
attic, connecting the trunk line to the
inlet tubing. Each inlet tube is
threaded vertically through an inside wall.
Located in hallways, and in large rooms, the inlets are placed to
provide maximum access to all cleaning areas. See Figure 1.
EXHAUST
TRUNK LINE
BRANCH LINE
INLETS
POWER
UNIT
INTAKE
INLET LINE
VERTICAL
BRANCH
LINE
ATTIC
TRUNK
LINE
INLET
LINE
INLET
EXHAUST
INTAKE
POWER
UNIT
BASEMENT
TRUNK LINE
FIGURE 2
FIGURE 1
Like the two-story house, the split level installation
commonly calls for a two-level trunk line. Here,
the power unit is located in the garage.
The intake tubing runs exposed up the
garage wall and into the ground level
section's attic. Two branch lines
connect this part of the trunk
line to inlet lines which are
dropped inside interior walls. A
vertical branch line runs to the
upstairs attic, where the trunk
line branches into a T-shape.
This trunk line connects to two
upstairs inlet lines and to one
inlet line which drops through
an upstairs wall and down into
the third-level utility room to service
this entire level. See Figure 3.
EXHAUST
POWER
UNIT
INTAKE
TRUNK
LINE
VERTICAL
BRANCH
LINE
BRANCH
LINES
INLET
LINE
INLET
INLET
BRANCH
LINE
THE RANCH STYLE HOUSE
THE TWO-STORY HOUSE
THE SPLIT-LEVEL HOUSE
A double-trunk line system is commonly used in two-story houses.
In the installation shown at left, the power unit is mounted in the
basement. The intake tubing runs up the basement wall and
connects to the main trunk line, which runs along the unfinished
basement ceiling. Two first-floor inlets are connected to the basement
trunk line by vertical inlet lines run through interior walls. In the center
of the house, a vertical branch line runs from the basement trunk line,
through stacked closets, up into the attic. A second trunk line runs across
the attic and two branch lines connect to inlet lines which are dropped
down through upstairs interior walls. See Figure 2.
FIGURE 3

3
• Locate the power unit away from the general living area in an
accessible location for changing the soil bag and periodically
cleaning the secondary filter.
• When planning, remember the power unit is equipped with
an inlet to service a garage, basement, utility room, etc.,
wherever it is located.
• Locate the power unit within six feet of a grounded electrical
outlet. The power unit requires a 120vAC power source.
• Do not locate the power unit close to a source of extreme
heat (i.e., water heater) or in an area with a high ambient
temperature (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).
• Exhausting the power unit to the outside is recommended for
optimal performance but is not required. The exhaust should
not be vented into a wall, a ceiling or a concealed space in
the house. If the exhaust line is vented outside the home,
Model 393 Wall Cap or a roof vent are recommended.
WARNING: Power unit must not be mounted in a high
ambient temperature area such as attic, furnace room, etc.
TUBING AND WALL INLET LOCATIONS
1. Locate inlets on interior walls, choosing central locations
which allow several rooms to be cleaned from a single inlet
using a 30 foot long hose.
2. The tubing installation should consist of a main trunk line
running from the farthest wall inlet to the power unit
location, with branch lines running to each additional inlet.
Keep all tubing lines as straight as possible and use as few
fittings as possible. Beginning at the area farthest from the
power unit, choose a tentative inlet location. Measure 30
feet from the proposed inlet location to the farthest corner of
the rooms to be cleaned by that inlet to determine if inlet
location is proper.
3. If working from blueprints (or building plans drawn at
1⁄4" = 1 ft. scale), use a 71⁄2" chain as your guide to
determine inlet locations.
4. Move tentative inlet location if necessary. Use the same
procedure to determine each additional inlet location,
always working toward the power unit.
5. Be sure tubing will not interfere with electrical, plumbing or
other mechanical installations.
6. Locate inlets within six feet of an electrical receptacle to
allow use of optional current-carrying hose.
7. Be sure inlets will not be blocked by doors or furniture.
LOCATING THE POWER UNIT
Built-In Appliances. You will often
find a hollow space behind built-in
kitchen appliances. If this space lines
up with an obstruction-free interior wall
above or a closet, this might be a key
to your installation. See Figure 5.
You may also want to consider
running exposed tubing through
cabinets or cupboards.
Cold-Air Return. A cold-air
return often provides a straight
run from basement to other levels
of the house. See Figure 6.
The ductwork is easily cut for
access. Seal around the tube
when completing the installation.
FIGURE 5
FIGURE 6
LOCATING ACCESS KEYS IN
EXISTING CONSTRUCTION
Let's say, for example, you have a two-story house and you want
to locate the power unit in the basement. If you can't find interior
walls on both the first and second floors which line up and are free
from obstacles. How do you get from the basement to the attic?
Unless your home is a ranch-style house where a single trunk
line can run directly through the attic or basement, you should first
investigate your house to find the key to running your tubing from
level to level. Look for an accessible area free from obstructions
that will accommodate the 2" tubing.
If you understand how your existing home is constructed, it can
be relatively easy to find access routes to run the tubing. Refer
again to the illustration on page 2 as you consider your home
construction.
Some of the keys you might find in your home are illustrated here.
FIGURE 4
Stacked Closets or Laundry
Chute. Many homes will have
an upstairs closet located
directly above a downstairs
closet. It is easy to run the
tubing from one floor level to
another inside these stacked
closets. In these installations
the tubing is often left exposed
inside the closets. See Figure
4. A laundry chute could also
provide access from basement
to upper floors.
TUBING

4
INSTALLATION IN NEW CONSTRUCTION
Once the locations for wall inlets have been determined, mount
all inlet brackets.
1. Choose the appropriate mounting bracket for the inlet being
installed. (See chart.)
2. To locate bracket on wall stud, measure approximately 18" up
from finished floor level. (Height may vary according to
individual preference.)
MODEL 361 (FOR USE WITH 360 INLETS)
3. Refer to Figure 7. Nail bracket to side of stud so that front
edge of bracket is flush to front of stud. (The bracket may also
be nailed to the front edge of the stud. See face mounting
illustrated. For face mounting, use locating tabs on bracket for
proper alignment.)
4. Refer to Figure 8. Remove cardboard from plaster guard
frame. Using four (4) provided screws, attach the appropriate
flanged fitting and inlet seal to back of inlet.
5. Replace cardboard in plaster guard frame.
MODEL 329 (FOR USE WITH 330 INLETS)
6. When using Model 329, glue elbow to mounting plate. Attach
to stud as shown in Figure 9.
MODEL 329 SIDE
MOUNTING
FACE
MOUNTING
MODEL 361
23/8"113/16"
FIGURE 7
FIGURE 8
WALL INLET ROUGH-IN
FIGURE 9
NuTone Inlet Rough-in
330 Series 329
360 Series 361
CI390 Series Electrified Inlet CI390RK
MODEL 329

5
INSTALLATION IN NEW CONSTRUCTION (continued)
Use the following installation guidelines when installing tubing.
1. Start tubing installation at farthest inlet and work toward the
power unit.
2. Tubing run to the power unit should be as straight as
possible.
3. When assembling sections with elbows and tees, make
sure the curve in the fitting is aligned so that the air flows
toward the power unit.
4. Branch lines should always join the trunk line from above or
from the same level. Never join a branch line from an angle
below the trunk line.
5. Refer to Figure 28 on page 8. Run low voltage wiring
(Model 376-UL) and secure wiring to tubing as tubing is
installed. Model CF-380 Pipe Support can be used to
support long runs of tubing (position near joists) and to clip
wire along tubing. Secure tubing to joists or studs. Leave
approximately 6" of wire for connection to each inlet.
6. Cut a 21⁄2" diameter hole in sole plate, header or stud
directly in line with opening of inlet bracket fitting.
7. Refer to Figure 11. Measure length of tubing needed to
connect inlet to trunk line. Allow approximately 3⁄4" of tubing
for inserting into fittings.
8. Refer to Figure 12. Cut tubing, keeping cut square.
9. Refer to Figure 13. Remove burrs from both inside and
outside of tubing.
10. Before cementing, pre-assemble section to inlet fitting,
check for proper length.
11. Refer to Figure 14. Apply PVC cement (Model 379) to
outside of tubing. Coat tubing approximately 1" back. Take
care to keep cement from inside of tube.
12. Refer to Figure 15. Insert tubing into fitting with a twisting
motion to evenly spread cement. Be sure tubing is firmly
seated in fitting.
13. If fittings have been attached to tubing at the end opposite
the inlet bracket, be sure alignment is proper before
cement sets.
14. Refer to Figure 16. Tape wire to tubing to hold in place
and insert through hole in inlet bracket.
15. Connect each inlet line and branch line into main trunk line.
Complete low voltage wiring as main trunk line is continued
back to power unit.
INSTALLING THE TUBING
SIDE
MOUNTING FACE
MOUNTING
MODEL 361 MOUNTING
21/2" DIA. HOLE
THROUGH SOLE PLATE
23/8"113/16"
MODEL 329 MOUNTING
2"
FACE
MOUNTING
113/16"
113/16"
21/2" DIA. HOLE
THROUGH SOLE PLATE
113/16"
FIGURE 10
FIGURE 11
INCLUDE FITTING
RECESS IN
MEASUREMENT
TUBING MEASUREMENT
PVC TUBING
FITTING FITTING
3/4"
3/4"
FIGURE 12 FIGURE 13
FIGURE 14 FIGURE 15 FIGURE 16
2" - 382S
25⁄8" - 382
Caution: When tubing is run
through the wall stud, sole plate,
headers - or anywhere that
building materials will be
attached - place a nail plate
(Model 378) over that area
(on both sides if necessary)
to prevent nails from piercing
tubing.

6
INSTALLATION IN NEW CONSTRUCTION (continued)
FIGURE 19
FIGURE 21
MODEL 365
DOUBLE FLANGED
TEE WALL
INLET
MOUNTING
BRACKET
SHORTEN
WALL
FIGURE 17
MODEL 360 WALL INLET (361 Rough-In)
1. Remove the cardboard plaster guard.
2. Refer to Figure 17. For some drywall or panel construction, the
plaster frame will extend beyond the finished wall. In this case,
remove plaster frame from mounting bracket by removing
mounting screws.
NOTE: When using the Model 361 inlet bracket on walls thinner
than 1⁄2", use a 1⁄4" spacer (not furnished) between the wall and the
inlet bracket. See Figure 20. Spacer may be made from plywood,
Masonite™, etc. Contact cement may be used to hold spacer in
place during assembly. Configuration of spacer may vary
depending upon installation.
3. Refer to Figure 18. Connect 2-conductor low voltage wire to
terminal screws on back of wall inlet. Cap off both wires using
wire nut (supplied).
4. Guide excess wire back through the hole in inlet bracket and
flanged fitting
5. Refer to Figure 19. Place inlet into mounting bracket and
secure.
NOTE: when wall inlets are installed in walls that are less
than 1⁄2" thick or when inlets are installed back-to-back in a
wall, the tube of the wall inlet may extend into elbow area of
the flanged fitting and cause blockage. Shorten the wall inlet
tube to prevent this condition. Refer to Figure 21.
For extra thick walls, use Model 399 Extension Sleeve to connect
inlet to the flanged fitting.
MODEL 330 WALL INLET (329 Rough-in)
See Figure 23.
1. Connect 2-conductor low voltage wire to terminal screws on
back of wall inlet.
2. Align inlet mounting holes with holes in mounting plate.
3. Place inlet into mounting plate and secure with two provided
screws.
MOUNTING
PLATE
INLET
FIGURE 22
WALL INLET INSTALLATION
21/4"31/4"
1/4"
INLET MOUNTING
BRACKET
SPACER WALL LESS THAN
1/2" THICK.
PLASTER
GUARD
HOLE
FIGURE 20
FIGURE 18

7
INSTALLATION IN NEW CONSTRUCTION (continued)
1. See Figure 23. Fasten the mounting plate to a stud within
three studs (48") of an electrical outlet box. Measure and
mark the wire 10" from the plug (A). Feed the wire through
the top hole in the mounting plate (just above the circular
opening). Snap the molded plug into the mounting plate as
pictured (B). This will keep it secure and out of harm’s way
during drywalling and finishing. Line up the wire at the
previously measured 10" mark with the strain of relief
channel on the back of the mounting plate. Secure it in
place with the supplied wire tie (C).
2. Run the inlet wire to the adjacent electric box. If you must
run wire through a stud, drill directly through the center of
the stud (D).
3. See Figure 24. Place the exposed ends of the two wires
into the electrical box through a strain relief channel (E).
Tighten the strain relief channel (do not overtighten) on the
white sheathing leaving 1/2" of this sheathing exposed
inside of the outlet box.
Fold the 6" of black and white wire into the outlet box.
Leave the wires to be connected by the electrician when
plug receptacles are being installed. (Attention: Power
tools such as routers are not recommended for use with
the inlet installation, as removal of drywall with these
devices may cause damage to the mounting plate and/or
inlet plug).
4. Once drywall and finishing processes have been
completed, remove molded plug from mounting plate (with
the aid of a slot screwdriver) and snap it into the wing slot
at the back of the inlet (F). (Please note: molded plug fits
one way only, with the narrow opening at the top). Insert
inlet into the mounting plate and secure inlet to mounting
plate with screws provided.
NOTE: All electrical devices such as the electrified inlet
should be reported to the construction electrician for listing
on the inspection report for building inspection purposes.
NOTE: Plumb inlet to tubing using NuTone Model 382-S 90°
Ell fitting.
CI-390 ELECTRAVALVE™ ELECTRIFIED INLET INSTALLATION (CI-390RK Rough-In)
(Not available in Canada)
D
E
FIGURE 23
FIGURE 24

8
1. Using rubber couplings and hose clamps to connect intake and
exhaust tubing.
2. Connect intake tubing to intake tube on power unit.
3. Connect mufflers and exhaust tubing to upper exhaust tubes on
the power unit.
4. Make sure all tubing connections are air tight.
5. The exhaust should not be vented into a wall, ceiling or concealed
space in the house. Exterior vented exhaust lines should be term-
inated using Model 393 Wall Caps or appropriate louvered
exhaust vents.
POWER UNIT INSTALLATION
LOWER
SLOT
111/2"
MOUNTING
BRACKET
TOP KEYHOLE SLOT
"E"
INTAKE
FIGURE 26 FIGURE 27
TUBING CONNECTIONS AT POWER UNIT
MOUNTING See Figure 25. Also refer to page 3.
1. Locate power unit within six feet of a grounded electrical outlet.
2. Drill
3
⁄ 16 " diameter pilot holes for the two (2) mounting screws in a wall
stud or strong support. See Figure 26.
3. Tighten mounting screws. Leave approximately
1
⁄ 8 " to
3
⁄ 16 " clearance
between head of screw and wall.
4. Hang power unit onto mounting screws. Make sure top keyhole slot
and lower slot in mounting bracket are engaged behind mounting
screws. Pull down to secure.
5. Remove lower canister from power unit. Make sure bag is properly
installed in power unit. Remove extra bag and homeowner’s manual.
Securely replace canister.
WIRING See Figure 27.
Grounding Instructions – This appliance must be grounded. If it
should malfunction or break down, grounding provides a path of least
resistance for electric current, to reduce the risk of electric shock. This
appliance is equipped with a cord having an equipment-grounding
conductor and grounding plug. The plug must be plugged into an
appropriate outlet that is properly installed and grounded in accordance
with all local codes and ordinances.
Danger – Improper connection of the equipment-grounding
conductor can result in a risk of electric shock. Check with a qualified
electrician or service person if you are in doubt as to whether the outlet
is properly grounded. Do not modify the plug provided with the
appliance – if it will not fit the outlet, have a proper outlet installed by a
qualified electrician.
This appliance is for use on a nominal 120 volt circuit and has a
grounding plug. Make sure that the appliance is connected to an outlet
having the same configuration as the plug. No adapter should be used
with this appliance.
1. Connect low voltage wire (18 gauge, 2-conductor, Model 376) to
crimp connectors located on outside of the power unit.
2. The power unit is equipped with a six foot grounded cord.
Plug cord into 120 volt grounded receptacle.
NOTE: POWER UNIT
CONTROL LEADS ARE TO
BE CONNECTED TO INLET
LEADS WITH SUITABLE
WIRE CONNECTORS.
WIRING
POWER
CORD
POWER UNIT
CONTROL LEADS
INLET
LEADS
INLET INLET INLET
TO
OTHER
INLETS
MODEL 376 (18/2) WIRE
120VAC ELECTRICAL
OUTLET POWER
UNIT
DIMENSIONAL CHART
MODELS
DIMENSION CV350 CV353 CV450 CV553
A30
1
⁄ 2 "32
1
⁄ 4 "36
1
⁄ 4 "32
1
⁄ 4 "
B5
5
⁄ 8 "7
3
⁄ 4 "10
1
⁄ 2 "7
3
⁄ 4 "
C6"6
7
⁄ 8 " 12" 6
7
⁄ 8 "
D13
5
⁄ 8 "13
5
⁄ 8 "15
3
⁄ 4 "13
5
⁄ 8 "
E6
1
⁄ 8 "6
1
⁄ 8 "6
1
⁄ 2 "6
1
⁄ 8 "
FIGURE 25
MINIMUM WALL CLEARANCE DIMENSIONS
EXHAUST
INTAKE
TOP VIEW
“D”
12" 18"
12" MINIMUM TO CEILING
FRONT VIEW
INTAKE
EXHAUST
18" MINIMUM ABOVE FLOOR
“A”
OVERALL
HEIGHT
“B”
TOP OF
UNIT TO
TOP
KEYHOLE
SLOT “C”

9
Use the following procedures for installation in existing construction.
Starting from farthest wall inlet location, install each inlet as described
below. Working back toward power unit, connect each inlet line and
branch line into main trunk line. See page 5. Complete low voltage wiring
as main trunk line is continued back to power unit. Mount power unit and
complete wiring. See page 8.
1. See Figure 29. A small ‘pilot’ or ‘locating’ hole can be drilled behind
baseboard toe strip to determine proper location of 21⁄2" diameter tubing
hole in sole plate.
2. Measure the total thickness of the wall, including baseboard. One half of
this wall thickness measured from the pilot hole (dimension ‘X’) will
determine the proper location of the 21⁄2" tubing hole in the sole plate.
3. Once desired inlet locations have been determined, cut a 21⁄2" hole in
sole plate directly in line with proposed inlet location. Check through
tubing hole to be sure no obstruction exists.
4. Be sure tubing hole is centered in sole plate and directly in line with
proposed wall inlet cutout.
BASEBOARD
TOE STRIP
PILOT HOLE
“X”
SOLE PLATE
FIGURE 28
NOTE: If 330 Wall Inlet is being used refer to Model 330 Wall Inlet
Installation on next page.
5. If area is clear, cut an inlet opening in the wall approximately 18" above the floor.
Make sure wall opening and 21⁄2" tube hole line up (Figure 29).
6. Cut a length of tubing that will extend from inlet opening to a point below floor level
(or above ceiling level in attic installation). Tape low voltage wire to tube and insert tube
through predrilled hole to a level opposite the wall opening.
7. Apply cement to tube and install flanged wall fitting. Make sure fitting is well seated
and sealed (Figure 30).
8. Remove plaster frame from mounting bracket. Pull low voltage wire through hole in
bracket and insert bracket into cutout. Secure bracket to flanged fitting with four screws
provided. Be sure seal is secure between flange fitting and
mounting bracket (Figure 31).
9. Attach the low voltage wires to terminal screws on back of wall
inlet (Figure 32).
10. Insert wall inlet into bracket and secure with the two screws
provided (Figure 33).
21/2"
29/16 "
31/16 "
18"
FIGURE 29
FIGURE 31
FIGURE 32 FIGURE 33
LOW
VOLTAGE
WIRING
FLANGED
FITTING
FIGURE 30
INSTALLATION IN EXISTING CONSTRUCTION
NOTE: If the wall for mounting the Model 360 inlet is less
than 1⁄2", a spacer must be used. See Figure 20 on page 6 as
a guide.
WALL INLET INSTALLATION
MODEL 360 SERIES INLETS (361 Rough-In)

10
INSTALLATION IN EXISTING CONSTRUCTION (continued)
MOUNTING
PLATE
MOUNTING
HOLE (2)
ELBOW
FIGURE 36
MOUNTING
PLATE
INLET
FIGURE 37
1. Make cutout according to dimensions in Figure 34.
2. Refer to Figure 35. Break off nail plate at scored line.
3. Refer to Figure 36. Glue elbow to mounting plate, place
assembly into cutout, and attach elbow to tubing inside
the wall.
4. Make sure mounting holes are exactly at top and bottom.
13/8"
1/4"
3/8" DIA.
3/8" DIA.
1/4"23/4"
37/8"
FIGURE 34 FIGURE 35
MODEL 330N WALL INLET INSTALLATION (329 Rough-in)
5. Connect 2-conductor low voltage wire to terminal screws on
back of wall inlet.
6. Refer to Figure 37. Align inlet mounting holes with mounting
plate holes, place inlet into mounting plate, and secure with
provided screws. NOTE: If 382-S shorter radius elbow is
used, it may be necessary to use the short mounting screw to
avoid interference with elbow.
FLOOR INLET INSTALLATION IN NEW & EXISTING CONSTRUCTION
1. Refer to Figures 38 and 39. After floor inlet location has been
selected, cut a 31⁄16" x 29⁄16" square hole in floor. Center line of
inlet must be located at least 21⁄2" from wall to allow cover to
be opened when hose is inserted.
2. Determine direction of tubing and attach appropriate flanged
fitting to mounting bracket with four (4) screws supplied. Be
sure mounting bracket flange does not interfere with
tubing and seal is securely in place.
3. Refer to Figure 40. Position bracket with frame and flanged
fitting assembly into cutout from below and secure to sub
floor.
4. Refer to Figure 41. Large end of Model 399 extension sleeve
should be cut to length to allow proper seating of inlet against
floor or carpet.
5. Refer to Figure 42. Pull low-voltage 2-conductor wire through
mounting bracket and attach to terminal screws on back of
floor inlet. Cement extension sleeve to model 360 inlet. Insert
extension sleeve through vinyl gasket in mounting bracket
and firmly seat into flanged fitting.
6. For convenience of operation, floor inlet should be installed to
open back toward wall.
7. Refer to Figure 40. Secure floor inlet in place with two screws.
MOLDING WALL
TOP VIEW
29/16"
31/16"
FIGURE 38
21/2" MIN.
APPROX.
SIDE VIEW
MOUNTING BRACKET
FLANGE
FIGURE 39
MODEL 360 SERIES INLETS (361 Rough-in)

11
FLOOR INLET INSTALLATION
FLOOR
SUB-FLOOR
29/16"31/16"
INLET
EXTENSION
FLOOR
INLET
FRAME
MOUNTING
BRACKET
SEAL
FLANGED
FITTING
FIGURE 40
CUT TO
LENGTH
EXTENSION
SLEEVE
FLANGED
FITTING
MOUNTING
BRACKET
FLANGE
FIGURE 41
WALL
INLET
EXTENSION SLEEVE
BRACKETFLANGED FITTING
TUBING
FIGURE 42
FINAL SYSTEM CHECK
Be sure all inlets are closed and soil bag is in place. Check
switch on power unit for manual on/off operation.
Check each wall inlet to be sure contacts activate power unit
when hose is inserted and switched on, if applicable. If Central
Cleaning hose is not available at the time, a short piece of wire
can be used to short contacts in wall inlet to activate power unit.
Check each wall inlet and tubing connection for air leaks. Check
power unit for leaks around inlet tube and dirt receptacle.
Make sure the filter bag is properly installed in the power unit
according to directions printed on the bag or in homeowner’s
manual. Remove the extra bag and owner's manual from the
power unit dirt receptacle. It may be convenient to store them
with the cleaning tools and accessories.
Now it’s time to enjoy the benefits of a NuTone Central Cleaning
System.
INLET

NuTone Power Units covered by two-year warranty.
All other Central Cleaning products are warranted for one year from date of purchase.
Product specifications subject to change without notice.
Printed in U.S.A., Rev. 11/01, Part No. 35865
4820 Red Bank Road, Cincinnati, Ohio 45227
1140 Tristar Drive, Mississauga, Ontario, Canada L5T 1H9
www.nutone.com
®
Two Year Limited Warranty
WARRANTY OWNER: NuTone warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period
of two (2) years from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this two year period, NuTone will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service.
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS OR TUBES, FILTERS, DUCT, ROOF CAPS, WALL CAPS AND OTHER ACCESSORIES
FOR DUCTING. This warranty does not cover (a) normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident,
improper maintenance or repair (other than by NuTone), faulty installation or installation contrary to recommended installation instructions.
The duration of any implied warranty is limited to the one year period as specified for the express warranty. Some states do not allow limitation on how long an implied warranty
lasts, so the above limitation may not apply to you.
NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT NUTONE’S OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS
WARRANTY. NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH
PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may
not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty supersedes all prior warranties.
WARRANTY SERVICE: To qualify for warranty service, you must (a) notify NuTone at the address stated below or telephone [phone], (b) give the model
number and part identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present
evidence of the original purchase date.
Date of Installation Builder or Installer
Model No. and Product Description
IF YOU NEED ASSISTANCE OR SERVICE:
For the location of your nearest NuTone Independent Authorized Service Center:
Residents of the contiguous United States Dial Free 1-800-543-8687
Please be prepared to provide:
Product model number • Date and Proof of purchase • The nature of the difficulty
Residents of Alaska or Hawaii should write to: NuTone Inc. Attn: Department of National Field Service, 4820 Red Bank Road, Cincinnati Ohio 45227-1599.
Residents of Canada should write to: Broan-NuTone Canada, 1140 Tristar Drive, Mississauga, Ontario, Canada L5T 1H9.
Rev. 03/2001