2500 Series
CASSETTE VACUUM TANK
OWNER’S MANUAL
Portable (2510) or Permanent (2520, 2521) Holding Tank System
for use with VacuFlush® Ceramic Toilet
NOTICE:
This product is
not recommended
for use on sailboats.
25102520
WARNING
!
This manual must be read and understood
before service or maintenance is performed.
Modification of this product can result in
property damage.
Dometic Corporation • Sanitation Systems
13128 State Rt. 226, P.O. Box 38
Big Prairie, OH 44611-0038 USA
SeaLand Product Hotline 1-800-321-9886
(8:00 a.m. - 5:00 p.m. ET)
www.DometicSanitation.com
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TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
For Your Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . 2
System Components . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 6
Docking Platform Riser. . . . . . . . . . . . . . . . . . . .3
Docking Platform Base . . . . . . . . . . . . . . . . . . . . 3
Inserting cassette tank . . . . . . . . . . . . . . . . . . . .4
Connecting sanitation hose . . . . . . . . . . . . . . . .4
How to make installation easier . . . . . . . . . . . . .5
Sanitation hose layouts . . . . . . . . . . . . . . . . . . .5
Electrical installation . . . . . . . . . . . . . . . . . . . . . . 6
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 7
These operating instructions should be kept in a safe place.
If this device is passed on to another owner, please include
these operating instructions with it.
INTRODUCTION
Do metic br ings the comf ort and effi ciency of
VacuFlush sanitation systems in an easy-to-use and
easy-to-maintain package.
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 9
Status panel . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Start-up checklist . . . . . . . . . . . . . . . . . . . . . . . .8
Flushing the toilet . . . . . . . . . . . . . . . . . . . . . . . .8
Removing cassette tank . . . . . . . . . . . . . . . . . . .8
Emptying cassette tank . . . . . . . . . . . . . . . . . . .9
Cleaning cassette tank, docking platform. . . . . .9
Changing vent filter. . . . . . . . . . . . . . . . . . . . . . . 9
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 10
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Customer Service. . . . . . . . . . . . . . . . . . . . . . . . .11
Manufacturer’s One-Year Limited Warranty . . . . 12
FOR YOUR SAFETY
WARNING AND SAFETY NOTICES
Highly Efficient Freshwater Flushing – Uses very
little water to make water supplies last longer.
Very Low Power Consumption – 1.5 amps max.
Status Panel – Indicates vacuum status, holding
tank full level, tank removal status.
Removable Cassette Holding Tank – “No drip”
disconnect and built-in carry handle make it easy to
empty holding tank at disposal facility.
Integral Vent Filter – Prevents odors from escaping
the holding tank.
Safety Shut-off – Turns off vacuum pump when
tank reaches full level or is removed.
Compact, Flexible Installation – Cassette holding
tank takes up less than 1.6 cu. ft. (.045 cu. m), and
can be placed 20 feet (6 meters) from toilet.
!
DANGER
• When flushing the toilet, always keep the seat
lid closed.
SYSTEM COMPONENTS
Each cassette vacuum tank includes:
• Portable cassette
vacuum tank
ATTENTION
• Cassette docking
platform
Dometic reserves the right
to change specifications
without notice.
• Status panel
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SANITATION SYSTEM LAYOUT
SYSTEM GUIDELINES
1. Cassette vacuum tank must be
used with VacuFlush toilet.
2. VacuFlush toilet must be
connected to pressurized
water supply (not shown).
3. Centerline of toilet base must
be 11 inches (279 mm) from
back wall.
4. 5/8-inch (16mm) ID vent hose
must be attached to vent fitting
(not included).
INSTALLATION
DOCKING PLATFORM RISER
1. The riser section of the docking platform is
mounted on a level floor using four screws (not
supplied). The floor must be strong enough
to support the weight of the cassette when full
(about 40 lbs. – 18 kg).
BACK FRONT
DOCKING PLATFORM BASE
1. The base section of the docking platform is attached to the riser. The base has two tabs (A)
that must be pushed into the respective slots
in the rear wall of the riser. Make sure that the
connection (B) for the carbon filter fits into the
space provided.
2. The ventilation hose (C) is routed out the side of
the base. Using barbed hose adapter provided,
route reinforced 5/8-inch (16mm) vent hose (not
supplied) to an outside vent fitting.
3. Fasten the base of the docking platform to the
surface (D).
ATTENTION
A
B
The riser and base sections
must be assembled on the
same level surface.
A
C
Make sure that the carbon
filter fits into the space
provided (B) and is
properly connected at
both ends
.
D
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INSTALLATION (cont’d)
INSERTING CASSETTE TANK
Place the cassette tank on the dock-
ing platform, then push the cassette
tank toward the back of the docking
platform until the latch engages (A).
CONNECTING SANITATION HOSE
A.
Maximum difference in height
from toilet to cassette is 3 ft.
(1 m).
A
B.
Maximum length of hose
between toilet and cassette is
20 ft. (6 m).
A
1. Route the sanitation hose from the toilet outlet
to to the cassette tank inlet (see tips for routing
hose on next page).
2. Connect 1 1/2-in. (38 mm) ID sanitation hose to
the white adapter fitting of the elbow assembly
(see tips for connecting hose on next page).
After pushing hose and fitting together, use two
hose clamps to tighten the connection.
3. Push the black adapter fitting of the elbow
assembly into the cassette vacuum tank.
Turn adapter and hose to best angle.
Dometic recommends that each hose
connection be secured with two hose clamps
to prevent any leaks.
B
Position hose clamp screws 180°
apart from each other and tighten
clamps.
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