Dometic 3100, 3000 User Manual
®
VACUFLUSH
ALL-CHINA VACUUM TOILET
OWNER’S MANUAL
3000, 3100, 3300, 3400 Series VacuFlush® Toilets
3100 Series
3000 Series
IMPORTANT NOTICE
VacuFlush sanitation systems must be installed according to Dometic’s recommended
procedures. Do not attempt installation without first contacting a VacuFlush Certified
Dealer, your nearest VacuFlush Parts Distributor, or Dometic.
3300 Series
3400 Series
WARNING
!
WARNING
This manual must be read and understood
before adjustment, maintenance, or service
is performed. Modification of this product
can result in property damage.
Dometic Corporation • Sanitation Systems
13128 State Rt 226, PO Box 38
Big Prairie, OH 44611
SeaLand Product Customer Service: 1-800-321-9886
(8:00 a.m. - 5:00 p.m. ET)
1
TABLE OF CONTENTS
Toilet Model Identification . . . . . . . . . . . . . . . . . 2
Important Information Before Operation . . . . . . 2
Operating Instructions . . . . . . . . . . . . . . . . . . . . 3
Flush Operation Timing Chart . . . . . . . . . . . . . . 4
Cleaning – Toilet Bowl and Seal . . . . . . . . . . . . 4
Winterizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Clearing Discharge Lines . . . . . . . . . . . . . . . . . 5
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 5
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Ordering Parts . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Sanitation System Components . . . . . . . . . 6 – 7
Deodorants and Special Tissue . . . . . . . . . . . . 8
Marine Sanitation Regulations . . . . . . . . . . . . . 8
Flush Mechanism Components . . . . . . . . . . . . . 9
Manual Flush Operations . . . . . . . . . . . . . . . . 10
Electrical Specifications . . . . . . . . . . . . . . . . . . 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . .11 – 14
RV Wiring Diagrams . . . . . . . . . . . . . . . . 15 – 16
Marine Wiring Diagrams . . . . . . . . . . . . . 17 – 21
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Customer Service . . . . . . . . . . . . . . . . . . . . . . 22
Limited Warranties . . . . . . . . . . . . . . . . . 23 – 24
WARNING – ELECTRICAL SYSTEM.
Turn off electrical power before servicing.
WARNING – MOTOR STARTS AUTOMATICALLY.
Turn off electrical power before servicing.
CAUTION – System may contain vacuum after shut-down.
Read and understand the complete contents of this manual before operating or servicing the sanitation
system. Failure to follow any precautions may result in damage to the sanitation system.
TOILET MODEL IDENTIFICATION
The model identification label is located on the inside wall of the toilet under
the tank access cover. It will show the model number and serial number.
DOMETIC CORPORATION
P.O. BOX 38, 13128 STATE RT 226 (800) 321-9886
BIG PRAIRIE, OH 44611 USA
MODEL NO. 000
SERIAL NUMBER
000000
IMPORTANT INFORMATION BEFORE OPERATION
1. Fill freshwater tank and add deodorant to holding tank through toilet bowl.
2. Make sure all guests understand toilet operation and that the flushing instruction label is easy for guests to read.
This label (see below) is located under the seat, and is easily seen when the seat is raised.
3. Remember, the vacuum pump starts automatically. Shut off the toilet system before servicing and do not leave the
boat with toilet system breaker on.
4. Never use drain openers, alcohol, solvents, etc. in the system.
5. If the system does not function properly, refer to the Troubleshooting section of this manual and repair as
necessary. If problem persists, contact your local SeaLand dealer or see the Customer Service section of this
manual.
1. To add water to bowl before
using (if necessary), raise flush
handle until desired water
level is reached. (Water
flow will stop automatically
after a period of time).
2. To flush, press flush handle down. Water
will flow into bowl for two seconds, then
flush ball will open. Toilet will not flush
again until “OK to Flush” light is on.
3. Do no t dis pose of sa nitary
napkins or other non-dissolving
items in toilet, such as facial
tissue or pap er towels.
These items can cause
plugging of the sanitation
system.
2
OPERATING INSTRUCTIONS
1. Adding More Water To Toilet Bowl
Raise flush handle or press “Add Water” switch until desired
water level is attained. To prevent toilet overflow, the control
module limits the amount of water that can be added.
2. Flushing The Toilet
FLUSH HANDLE
ADD WATER
TO BOWL
OFF
REMOTE
SWITCH
STATUS
PANEL
When the vacuum status panel’s green “OK to Flush” light is
on, and the red “Do Not Flush” light is off, press the handle
or “Flush” switch down for a moment, then release it. Holding
OFF
the handle down will not prolong the flush cycle nor start a
new flush cycle. The handle must be allowed to return to the
FLUSH
See page 6 for all VacuFlush wall switches.
“off” position and the vacuum must be allowed to recharge
before another flush cycle can be initiated. A full holding tank will also prevent the toilet from flushing.
3. Selecting Automatic Water Refill Levels:
The Water Level switch is located under the access cover. Carefully lift up on the front of the cover to access the
Water Level switch. There are three water refill levels available. The microprocessor-controlled water valve will
refill the toilet bowl according to your water level selection.
To reinstall the access cover, set the cover on top of the
ACCESS COVER
toilet and press down. This will lock the cover in place
and prevent it from coming loose during travel.
LOW Level
CONTROL SWITCHES
Use this setting to conserve water. This position
reduces the chance of water splashing out of the bowl
during rough travel. If more water is needed for flushing,
lift up on the flush handle. Water flow will stop after
nine seconds to prevent overflow.
MID Level
Use this position to keep the toilet bowl clean, especially when family and friends may be using the toilet.
If more water is needed for flushing, raising the flush handle will provide up to six seconds of refill time.
HIGH Level
Use this position if the MID level does not provide a clean toilet bowl. This position is not recommended while
underway. If more water is still desirable for flushing, raising the flush handle will provide up to three seconds
of additional water refill time.
4. Mode Switch
The Mode switch is located on the right side of the control module. It switches between three function settings:
NORMAL
Use this setting for flushing the toilet.
SERVICE
Use this position for cleaning the toilet bowl and flush ball seal. The flush ball will open automatically and remain
open in this position. Lifting up the flush handle provides water.
MANUAL OVERRIDE
Use this position to flush the toilet manually in the event of power or battery failure. This switch disconnects the
electronic brake in the flush valve motor, and allows manual flushing via the override access hole in the side
of the vitreous china base.
Note: The control module allows 15 seconds of water for cleaning. If more water is required, return
the switch to the NORMAL position then back to the SERVICE position.
A safety circuit in the control module monitors flush ball operation. If foreign objects or low voltage prevent
the flush ball from closing, this circuit prevents personal injury or damage to the flush valve motor. If this
condition occurs, reset the control module by placing the Mode switch into the SERVICE position temporarily,
then returning it to the NORMAL position.
3
FLUSH OPERATION TIMING CHART
Water Valve
Low Refill
Normal Refill
Flush Valve
Begin Opening for 0.1 sec.
High Refill
Wait for 0.1 sec.
Continue Opening
Held Open
Closing Time
Additional “Add Water” Time Allowance
1
0 2.5
5 1284
7
6 13 159 143
Flush Cycle In Seconds
11
102
16
“Add Water” Time Limits
Flush and Forget® Cycle Time
Water Valve
Low Position
Normal Position
High Position
Service Position
1
0 2.5
5 1284
“Add Water” Time In Seconds
7
6 13 159 143
11
102 16
PROPER CLEANING – TOILET BOWL AND SEAL
The VacuFlush toilet should be cleaned regularly for maximum sanitation and
operational eff ic iency. You can clean it just as you wou ld a household toilet.
Do not use caustic chemicals, such as drain-opening types, as they will damage
the seals.
BOWL CLEANING: For stubborn stains, use SeaLand Bowl and Seal Cleaner (Fig. A).
It’s manufactured especially for use with our VacuFlush toilets. In certain locations where
water is hard, a build-up of lime may dull the toilet bowl finish. Restore the shine with this
cleaner. If you cannot find our brand in your area, contact SeaLand Product Customer
Service for your nearest dealer. If it is not available, you can also use Bar Keepers Friend®
cleanser. It is not necessary to vigorously scrub with either product. Please follow label
instructions.
SEAL CLEANING: After an extended time, mineral deposits from hard water can build
up under the edge of the rubber bowl seal, resulting in a slow leakdown of water from the
bowl. To prevent this mineral build-up, periodically clean under the bowl seal with SeaLand
Bowl and Seal Cleaner (Fig. B).
1. Put Mode switch in SERVICE position. Flush ball will open automatically.
2. Apply cleanser onto the seal cleaning tool (supplied with new toilet), and scrub
under the seal. Make sure to push bristles between bottom of seal and top of flush
ball surface to scrub all parts of seal that come into contact with flush ball.
3. Wait 2-3 minutes.
4. Pull up on flush handle to let water flow into bowl. Use cleaning tool and water to rinse
away cleanser and loosened deposits. You can add water for up to 15 seconds in the SERVICE position.
5. Put Mode switch in NORMAL position. Water will flow for a few seconds, then flush ball will close automatically. Water will
continue flowing into bowl, making it ready for the next flush.
Fig. A
Fig. B
WINTERIZING
At the end of each season, the VacuFlush toilet system must be winterized for storage. The following procedure should be
used:
1. Pump out holding tank.
2. Thoroughly flush system with fresh water.
3. Drain freshwater tank.
4. Add freshwater antifreeze to freshwater tank.
CAUTION: The use of freshwater antifreeze that contains alcohol will result in damage to your
sanitation system. Only use propylene glycol freshwater antifreeze that does not contain alcohol.
5. Flush freshwater antifreeze and water mixture through toilet
and into the waste holding tank. Each installation is different
so amounts may vary. User discretion is required to assure
adequate protection.
6. Turn off electrical power.
4
CLEARING DISCHARGE LINES
Sanitation hoses should be cleared if toilet will not be needed for an extended period of time (more than two weeks).
1. Fill toilet bowl with water and add 4 oz. (120 ml) of biodegradable laundry detergent (should NOT contain bleach).
2. Flush toilet, holding pedal down for about two minutes. Close flush ball.
3. Turn off water supply to toilet.
4. Flush the toilet without water, allowing the vacuum pump to shut off after the flush. Repeat three times. (This procedure will minimize any remaining water in the sanitation hoses.)
5. Turn off power to the vacuum pump.
6. Completely pump out holding tank.
If system will be subjected to freezing temperatures, please follow above procedure, then winterize system as described
in this manual.
MAINTENANCE SCHEDULE
Maintenance intervals and normal parts replacement vary widely depending on numerous factors such as frequency
of system use, quality of flushing water, etc. The following chart is intended strictly as a general guide in keeping
the sanitation system 100% ready for any conditions of use.
Maintenance Procedure
Recommended
Date of Service
ROUTINE MAINTENANCE
Toilet flush ball seal cleaning
Tighten toilet seat mounting
hardware
Monthly
Monthly (or as needed)
MAJOR SYSTEM MAINTENANCE
Replace duckbill valves in Vacuum
Pump or Vacuum Generator
Replace flush ball seal and flush
ball (if needed)
Every three years
Every three years
SPARE PARTS
The following parts should be kept available at all times:
Description
Flush Ball Seal
Flush Ball
Water Valve
Vacuum Breaker Kit
Vacuum Switch Kit
1.5-inch Duckbill Valve Kit
(2 ea. per kit)
Part Number
see parts list
see parts list
see parts list
see parts list
see parts list
see parts list
Parts Required
SeaLand Bowl and Seal Cleaner
N/A
Duckbill Valve Kit
Flush Ball Seal
Flush Ball
Quantity Where Used
1
1
1
1
1
1
All-ceramic toilet
Vacuum generating system
ORDERING PARTS
Dometic is ready to assist you in the event service is required. Before calling, please have the following information
available. Your cooperation in having this information ready is appreciated and allows us to better meet your needs.
Please refer to the Parts Distributor list in the Customer Service section (page 22).
1. Toilet Model Number
2. Serial Number
3. Part Number, Description and Quantity (see parts list insert)
5
SANITATION SYSTEM COMPONENTS
Vacuum Toilet: VacuFlush all-ceramic vacuum toilets with
Flush and Forget® technology operate differently compared
to other toilets. The vacuum system uses a small amount of
water (a little more than a pint or .5 liter) per flush in addition
to a simple vacuum. The toilet is connected to a pressurized
freshwater system. Fresh water is the key to an odor-free
bathroom compartment. Most VacuFlush toilets are
equipped with an integral vacuum breaker which prevents
the possible contamination of the freshwater supply.
Flush/Add Water Switches (3100, 3400 models only):
Wall-mounted push-button switches provide electronic
operation of flushing and adding water to the toilet bowl.
Models include two-light vacuum status panel indicating the
toilet is “OK to Flush” or “Do Not Flush”. Models vary.
Vacuum Generator: The vacuum generator combines
the vacuum tank and vacuum pump in one unit. It greatly
reduces installation time and eliminates the hose run
between the tank and pump. Their compact size makes them
especially well-suited to smaller installation spaces.
Vacuum Tank: The vacuum tank stores vacuum energy.
System vacuum level is monitored by a vacuum switch
located on the vacuum tank. When this switch senses
a drop in vacuum in the system, it automatically signals
the pump to energize and bring the vacuum to operating
level. This process is normally completed in less than one
minute.
Vacuum Toilets
Vimar Gewiss
Marine Flush/Add Water Switches
RV Flush/Add Water
Switch
Vacuum
Generators
Vacuum Pump: The vacuum pump is an electric,
straight-through bellows type. It is manufactured of longlasting polypropylene and draws only 4 to 6 amps of current
at 12 VDC. This unique pump design is both an efficient air
and liquid pump that handles solids without a problem. It
has two duckbill valves on each side of the pump chamber
to maintain vacuum and prevent backflow of waste.
“Tank Full” Shut-Down Switches (RV option only):
These “Tank Full” micro-float switches shut down the
vacuum generator when the waste holding tank is full.
We offer three styles to accommodate various installation
requirements.
Sealing grommet style – Item number 900101
MPT style – Item number 900100
Vent style – Item number 900102
(NOTE: Requires relay mounted on vacuum generator.)
Vacuum Tank and
Vacuum Pump
RV “Tank Full” Shut-Down Switches
Sealing
grommet
style
MPT
style
Vent style
6
SANITATION SYSTEM COMPONENTS (cont’d)
TankWatch® Level Indicator (marine option only):
The TankWatch unit utilizes micro-float switches which
activate an indicator panel. The micro-float switches are
installed in the top of the holding tank. The adjustable
probe assemblies are flexible polybutylene tubing and are
designed to flex when tank contents move.
Vacu Stat ™ Indi cato r Panel: Con tinu ously moni tors vacuum statu s f o r p r o p e r t o i l e t o p e ration.
Brushed metallic finish complem e n t s b a t h r o o m
decor. Item number 700112 (12VDC).
Vacuum Status Panel (optional): A two-light status panel
indicates the system is “OK to Flush” or “Do Not Flush”.
The green “OK to Flush” light is illuminated when there is
adequate vacuum pressure available and when the holding
tank is less than full. Item number 710012.
VacuFlush Status Panel (optional): Includes two-light
status panel indicating the system is “OK to Flush” or “Do
Not Flush”, and circuit breaker to shut down system at night.
Item number 500012 (12 VDC) or 500024 (24 VDC).
Vacuum Generator Shut-down Relay (standard on RVs;
marine option): This relay can automatically shut down
power to the VacuFlush toilet system to prevent overfilling of the holding tank. Item number 310289 (12 VDC) or
310290 (24 VDC).
Vacuum Tester (optional): This tool assists in identifying
the location of vacuum leaks. The vacuum tester consists
of a vacuum gauge and a cone-shaped plug. Inserting the
plug in the inlet of the vacuum tank or vacuum generator
isolates the toilet from the system. In this way, a vacuum
leak can easily be located in either system. Item number
530002.
In-Line Vent Filter (marine option only): The SaniGardTM
vent filter has special odor-removing filter materials to help
keep your vehicle smelling clean and pleasant. Heavierthan-air malodors accumulate in the holding tank. This vent
filter has a special type of activated filter media to remove
these odors before they offend. Each cartridge is good for
an entire season, and is easily replaced for a fresh start.
Replacement cartridges are available.
Holding Tanks (marine option only – not shown):
SeaLand holding tanks are made of super-strong, 3/8”
(10mm) thick polyethylene — 50% thicker than most other
holding tanks. Each features solid, one-piece construction
with no seams for unmatched durability. A deodorant additive is recommended to keep the holding tank odor-free.
See Deodorants and Special Tissue section for further
information (page 8).
TankWatch
Panel and
Probes
VacuStat Indicator Panel
Vacuum
Status Panel
VacuFlush
Status Panel
Vacuum Tester
Vent Filter
7
DEODORANTS AND SPECIAL TISSUE
Your VacuFlush toilet and sanitation system require the regular addition of a deodorant product to reduce malodors and
to help break down holding tank contents. Several factors should be considered in selecting a deodorant product.
Liquid or Dry: Liquid products obviously work more quickly by readily going into solution. Granulated powder
formulations, on the other hand, have the advantage of requiring less storage space and are less likely to leak if the
package is inadvertently damaged.
Formaldehyde versus Non-Formaldehyde: Dometic manufactures both types of deodorants. Generally,
formaldehyde formulas control odor very effectively at all temperatures and with all degrees of water hardness.
SeaLand® Environment-Friendly brand, which is formaldehyde free, is similarly effective.
How Much Deodorant and How to Add It: The deodorant is added directly into the toilet bowl, then flushed into
the holding tank. Follow bottle or package instructions. Conditions of extremely warm weather, longer waste holding time and larger tank capacities may require more deodorant treatment. Also, to maintain optimum efficiency in
odor control, the waste holding tank should be cleaned thoroughly at least once or more each season, depending
on use.
Why Not Use Household Toilet Paper in Your VacuFlush Toilet? Household tissues often contain adhesives
which bond together the paper fibers from which the tissue is made. The adhesives prevent the tissue from breaking
apart, and their use in “ultra-low flow” systems can cause system clogging. SeaLand tissue is especially designed
for use in low water toilet systems. Its rapid dissolving properties minimize the amount of residual paper in the holding tank and allow deodorizers to work more efficiently.
SeaLand versus Other Brands: SeaLand constantly strives to provide our system owners with effective products
that have minimal environmental impact and good value. Many deodorant products do not measure up to our
standards of performance and value.
SeaLand® Liquid
SeaLand® Granulated
Deodorant
Six 2-oz. pouches
SeaLand® Liquid
Deodorant
Two 8-oz. bottles
Part No.
379224008
Deodorant -
Environment Friendly
32-oz. bottle
Part No.
379114032
SeaLand®
Rapid-Dissolving
Toilet Tissue
Four 400-sheet rolls
Part No. 379441204
Part No.
379626002
SeaLand®
Cleaner
16-oz. bottle
Part No.
379314016
MARINE SANITATION REGULATIONS
All boats with fixed toilets in U.S. waters and in the waters of some other countries are required to be equipped with an operable
marine sanitation device (MSD). The VacuFlush vacuum sanitation system, when installed in a boat, is a holding tank or Type
III system as defined by the U.S. Coast Guard. Type III systems are designed to permit operation of the toilet without the direct
discharge of untreated waste after every flush. This means onboard toilet facilities can be used when the boat is near swimmers,
beaches or shellfish beds.
Type III systems can be discharged at marina dockside pump-out stations or, if in coastal waters, a minimum of three miles
offshore. Overboard discharge capability must remain secured while within the three-mile limit. The overboard discharge
pump is activated by a keyed switch located in the toilet compartment. This key should be removed at all times except when
discharge pump is operating.
Sewage from any source should not be discharged directly into our waters. If you are interested in learning more about this issue,
please contact Dometic at the phone number or address listed on the back page of this manual.
8
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