Page 1
USER GUIDE
CENTRAL VACUUM
POWER UNITS
PP500, PP600 & PP650
AB0039
FOR RESIDENTIAL USE ONLY
30042509E
! !
MODELS SFDB-DQ, SFDB-DR AND SFDB-DS
PUREPOWER SERIES
Page 2
SAVE THESE INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THIS APPLIANCE
WARNING
To reduce the risk of fire, electric
shock or injury:
1. Do not use on wet surfaces or outdoors.
2. Do not vacuum liquids or fine powders
(such as drywall dust).
3. Do not use to pick up flammable or
combustible liquids such as gasoline or
use in areas where they may be present.
4. Do not pick up anything that is burning or
smoking, such as cigarettes, matches, or
hot ashes.
5. Do not allow to be used as a toy. Close
attention is necessary when used by or
near children.
6. Use only as described in this manual.
Use only manufacturer's recommended
attachments.
7. Keep hair, loose clothing, fingers and all
parts of body away from openings and
moving parts.
8. Turn off all controls before unplugging.
9. Use extra care when cleaning on stairs.
10. Do not handle plug or appliance with wet
hands.
11. Do not use with damaged cord or plug.
If appliance is not working as it should,
if it has been dropped, damaged, left
outdoors, or dropped into water, return it
to a Service Center.
12. Keep your work area well lighted.
13. Connect to a properly grounded outlet
only. See grounding instructions shown
on page 3.
14. When performing installation, servicing
or cleaning the unit, it is recommended
to wear safety glasses and gloves.
CAUTION
1. Do not put any object into openings. Do
not use with any opening blocked; keep
free of dust, lint, hair and anything that
may reduce air flow.
2. Ensure air flows freely and exhausts
unobstructed from top or side outlet.
3. Do not use without filter (or filters,
according to the model) in place.
4. Do not use to blow leaves or debris.
5. Do not place any object on top of the unit.
6. Do not install the unit horizontally.
7. Do not use the pail as a wash bucket.
8. Do not use the pail as a stool.
9. Avoid picking up sharp objects.
10. This appliance is for use on a standard
120 VAC, dedicated 20-amp minimum
branch circuit.
11. Do not unplug the unit by pulling on cord.
To unplug, grasp the plug, not the cord.
12. Store your vacuum cleaner indoors in
a clean, dry area, away from extreme
temperatures.
13. Any servicing other than that
recommended in this manual should
be performed by an authorized service
facility.
14. We recommend that your unit be
inspected by a specialized technician
once a year.
!
IMPORTANT SAFETY INSTRUCTIONS
When using an electrical appliance, basic precautions should always be
followed, including the following:
2
GROUNDING INSTRUCTIONS . . . . 3
OPERATION & MAINTENANCE . .4-7
WHEN TO CHANGE BAG
OR EMPTY DEBRIS PAIL . . . . . . . . . . . . . . . 4
HOW TO EMPTY DEBRIS PAIL (PP600 AND
PP650 POWER UNITS ONLY) . . . . . . . . . . . 4
DISPOSABLE BAG REPLACEMENT
(MODEL 395) . . . . . . . . . . . . . . . . . . . . . 4
SEALED HEPA PERMANENT FILTER
(PP600 AND PP650 POWER UNITS ONLY) . 5
R
EMOVAL & INSTALLATION OF PERMANENT FILTER
(PP600 & PP650 POWER UNITS ONLY) . . . 5
MOTOR FOAM FILTER (ALL UNITS) . . . . . . . . 6
REMOVAL & INSTALLATION OF SECONDARY
HEPA FILTER (PP650 POWER UNIT ONLY) 7
SERVICE PARTS . . . . . . . . . . . . . .8-9
TROUBLESHOOTING GUIDE . . 10-11
TABLE OF CONTENTS
Page 3
3
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.
WIRING
This appliance is for use on a standard 120 VAC, minimum dedicated 20-amp branch circuit
with a NEMA 5-15R receptacle. Make sure that the power unit is connected to an outlet
and has a grounding attachment plug that looks like the plug shown in illustration below. No
adapter should be used with this power unit.
NOTE: Inlet leads to be connected to power unit low voltage tabs using crimp connectors
(included in parts bag) and low voltage harness.
GROUNDING INSTRUCTIONS
WARNING
!
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.
AE0044
INLET
CRIMP
CONNECTORS TO
BE
CONNECTED
IN
LOW VOLTAG E
TABS
INLET INLET
TO
OTHER
INLETS
MODEL 376-UL
(18/2) LOW VO LTAGE
WIRE
INLET LEADS
GROUNDED OUTLETS
GROUNDING PIN
Page 4
Open the inlet cover and insert the end of the hose into the inlet to turn on the vacuum.
For non-switched hoses, inserting the hose automatically turns on the power unit; removing
the hose shuts off the power unit. Some hoses have switches which can be used to activate
power unit. Unless using the utility valve (PP650 unit only) the ON/OFF switch located on the
power unit needs to be kept in the OFF position.
As you vacuum, dirt and dust are carried to the power unit where they remain in a bag or in
the debris pail (according to the power unit model).
Use the cleaning tools as you would for any other vacuum cleaner. Avoid picking up very large
debris or lengthy as these kinds of objects may become lodged in the hose or tubing.
WHEN TO CHANGE BAG OR EMPTY DEBRIS PAIL
With a 6 U.S. gallons capacity, under normal conditions the bag/debris pail requires changing/
emptying approximately twice a year. If the bag/debris pail is full, you will notice a reduced
suction from the system. Unless this loss of suction is caused by a blockage in the system,
changing the bag or emptying the debris pail will solve the problem.
NOTE: Even if not filled to capacity, if the bag seems tightly stretched when removing the
debris pail, changing the bag will prevent it from tearing.
HOW TO EMPTY DEBRIS PAIL
(PP600 AND PP650 POWER UNITS ONLY)
To empty the debris pail, release both latches on sides of the unit by pulling out and then
pushing up. Holding the pail by the latches, lower it from unit. Carry pail to trash receptacle
and dispose of debris. Put the pail back in its place.
DISPOSABLE BAG REPLACEMENT (MODEL 391)
To remove the disposable bag, release both latches on sides of the unit by pulling out and
then pushing up. Remove the pail from unit. Grasp the edges of the bag collar and pull
down. The bag will slide off easily. Do not pull on the bag.
Unfold the new bag.
Grasp collar where indicated on the new bag and insert over bag adapter. Be careful not
to tear the bag. Ensure the collar is positioned between the taper ring and the bag stopper
on the bag adapter (see illustration below). Put the pail back in its place.
OPERATION AND MAINTENANCE
AO0081
TAPER RING
BAG STOPPER
4
DISPOSABLE BAG
MODEL 391
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5
OPERATION AND MAINTENANCE (CONT’D)
SEALED HEPA PERMANENT FILTER
(PP600 AND PP650 POWER UNITS ONLY)
This filter protects the motor and stops small particles from escaping to the outside of the
power unit without the need to replace it. The filter cleans itself by moving up when the power
unit starts, and dropping down when the unit is turned off. Under normal use, there is no need
to maintain this filter. It is possible to remove it to inspect the foam motor filter, or to replace it
if ever it has been damaged (by sharp debris, for example).
REMOVAL AND INSTALLATION OF SEALED HEPA PERMANENT
FILTER (PP600 AND PP650 POWER UNITS ONLY)
To remove:
Remove the pail from the unit. To remove the
permanent filter, use pull tab (A) located on edge of
filter to pull and loosen filter from inlet chamber wall.
Squeeze from both sides of the filter to the center of
the housing (see illustration at right). Then, carefully
remove it from the unit.
To reinstall:
Squeeze the filter in order to move it past the inlet
opening (B) (see illustration at right). Let the filter bear
against the unit wall by releasing the pressure. Make
sure to place the rigid ring in its groove to ensure
proper sealing.
NOTE: Make sure the filter is installed so that the
pull tab (A) is accessible for future filter removal.
AD0084
A
AA0005
A
CAUTION
Be sure to reinstall filter properly. Appropriate location is critical to insure
proper protection of the motor.
AD0085
B
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OPERATION AND MAINTENANCE (CONT’D)
FOAM MOTOR FILTER (ALL UNITS)
A foam motor safety filter, located at the top of the vacuum chamber provides protection
against dirt being pulled into the motor if the disposable bag or sealed HEPA permanent filter
should accidentally be torn. This filter should be checked and cleaned if necessary when
replacement bag is installed, or when sealed HEPA permanent filter is removed (PP600 and
PP650 units only). Simply brush filter clean. If the filter is excessively soiled, hand wash in
a water and mild detergent solution, rinse and let it dry completely on a flat surface before
reinstalling.
REMOVING FOAM MOTOR FILTER
Remove the debris pail and disposable bag or
permanent filter. Lift the center of the wire retaining the
foam motor filter and slide the filter out of its location.
REINSTALLING FOAM MOTOR FILTER
To reinstall the foam motor filter, reverse the steps
described above.
CAUTION
Operating the power unit without the foam motor filter will void the warranty.
AD0086
6
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7
REMOVAL AND INSTALLATION OF SECONDARY HEPA FILTER
(PP650 POWER UNIT ONLY)
NOTE: This is a disposable HEPA filter; do not attempt to wash it since this will damage it.
This HEPA filter should be replaced every 5 years. Proceed as follow:
If installed, detach the exhaust line from the top of the unit.
Disassemble upper part from lower part top cap assembly by pushing on the 4 retaining
tabs (one by one) located on the lower part and pulling on upper part to disengage it.
NOTE: A small flat blade screwdriver can also be used to pry on the 4 retaining tabs, as
shown in illustration A at the bottom of the page.
Discard the used filter and replace with a new one (part no. S10941416). Be sure to install
it with the gasket on top as shown in illustration B (at the bottom of the page), then snap in
place the upper part of the top cap. If need be, reconnect the exhaust line to the top cap.
OPERATION AND MAINTENANCE (CONT’D)
WARNING
!
Risk of warm surfaces and sharp edges. It is recommended to wear safety
gloves while handling this HEPA filter.
4 X
AR0053
AB
Page 8
SERVICE PARTS
PP650 UNIT
PP500 AND
PP600 UNITS
8
AL0021
7
15
10
17
8
9
11
1
3
12
13
14
1
2
4
5
6
16
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REPLACEMENT PARTS AND REPAIRS
In order to ensure your unit remains in good working
condition, you must use NuTone genuine replacement
parts only. NuTone genuine replacement parts are specially
designed for each unit and are manufactured to comply
with all the applicable certification standards and maintain
a high standard of safety. Any third party replacement part
used may cause serious damage and drastically reduce
the performance level of your unit, which will result in
premature failing. NuTone also recommends to contact a
NuTone authorized service center for all replacement parts
and repairs.
SERVICE PARTS (CONT’D)
KEY NO.PART NO.DESCRIPTION PP500 PP600 PP650
1
S10941409
PP650 T
OP CAP ASSEMBLY
(INCLUDING ITEM 5) (UPPER PA RT )
1
S10941424 PP600 T
OP CAP ASSEMBLY 1
S10941411 PP500 TOP CAP ASSEMBLY 1
2 S10941416 PP650 EXHAUST HEPA FILTER 1
3 S10941413
PP650 T
OP CAP ASSEMBLY
(INCLUDING ITEM 5) (LOWER PAR T)
1
4
S10941419
M
OTOR WITH UPPER AND LOWER
FOAMS AND NUTS
11
S10941418
M
OTOR WITH UPPER AND LOWER
FOAMS AND NUTS
1
5 S10941420
E
LECTRONIC BOARD WITH BOTTOM
AND SIDE FOAMS
111
6 S99670649 R
OCKER SWITCH 111
7 S10941399 MOTOR FOAM FILTER WITH FASTENER 111
8 S10941400 GASKET 113
9 S10941415 SEALED HEPA PERMANENT FILTER 11
10 S99670648 DEBRIS PAIL (INCLUDING KEY NO. 11)111
11 S10941199 LATCH AND SCREWS 222
12 S10941404 LATCH KEEPER WITH SCREWS 222
13 S10941405 BAG ADAPTER WITH NUT AND SCREW 111
14 S10941408 U
TILITY VALVE 111
15 S10941406
I
NTAKE ELBOW WITH GASKET,
SCREWS, AND NUTS
111
16 S99670650
E
XHAUST PORT WITH GASKET AND
SCREWS
11
17 S30390555 U
NIT SUPPORT BRACKET 111
18 391
D
ISPOSABLE BAG
(SET OF 3, NOT SHOWN)
111
NOTE: Order service parts by “Part No.” — not by “Key No.”
9
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TROUBLESHOOTING GUIDE
PROBLEMS POSSIBLE CAUSES POSSIBLE REMEDY
1. Loss or
decrease
of suction
occurs.
• Debris pail or disposable
bag is completely full.
• Debris pail gasket
damaged or missing.
• Obstruction in the hose.
A blockage in the hose
can be determined by
inserting the hose into
any wall inlet and, while
power unit is running,
check each additional
inlet for normal suction by
holding the palm of your
hand over the open inlet.
If normal suction is felt at
all other inlets, insert the
hose into a second inlet.
If the blockage still exists
it is located in the hose.
However, if the blockage
does not occur when
the hose is changed,
the blockage is probably
located in the tubing
system leading to the
original inlet.
• Obstruction in the tubing
system inside the walls.
• Sealed HEPA permanent
filter or disposable bag torn.
• Wall inlet cover not
properly sealed.
• Exhaust tubing or vent
clogged.
• Change the disposable bag or empty
debris pail as described on page 5.
• Replace the debris pail gasket.
• Disconnect the hose from the wall inlet
and insert a blunt instrument into the hose
— slightly smaller in diameter — such as
a flexible garden hose. Push the garden
hose through the cleaning system hose
until the obstruction has been cleared.
• Insert hose end into any inlet to make
power unit running, then place the palm
of your hand over the opposite end of
the hose. When you can feel the suction
increase, hold your hand over the hose
end for a few seconds and then quickly
remove your hand. This procedure
repeated several times should clear the
obstruction. If the blockage is not cleared,
contact your nearest Service Center.
• Clean the interior or the unit and install a
new permanent filter (or disposable bag).
• Check all wall inlet covers to be sure they
are closed and sealed tightly.
• Inspect and remove any blockages.
10
Page 11
TROUBLESHOOTING GUIDE (CONT’D)
PROBLEMS POSSIBLE CAUSES POSSIBLE REMEDY
2. Power
unit does
not start
or stops
suddenly.
• Defective inlet. Check
other wall inlets.
• Power unit internal
circuit breaker has been
activated (the reset button
is popped up).
• Blown fuse or tripped
circuit breaker on house
electrical panel.
• Defective hose.
• Power unit overcurrent
protector has been
activated.
3. Power
unit runs
continuously
when the
hose is
removed.
• The unit power switch is in
ON position.
• An electrical short has
occured somewhere in the
system.
• Set the unit power switch to OFF position.
• Perform a complete check of all wall inlets
and power unit low voltage control leads
connections. Contact your authorized
Service Center.
• Replace defective wall inlet.
• Push on
the circuit
breaker
reset button
located on
the left side
of the power
unit. If this
button pops
up again,
contact your
authorized
Service
Center.
• Replace fuse or reset circuit breaker on
house electrical panel.
• Replace hose as required.
• Unplug the power unit, wait at least 15
minutes and plug back the power unit.
AC0003
POWER
SWITCH
RESET
BUTTON
11
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