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Macerator Toilet
EN
Operation manual
Mazerier-WC
DE
Bedienungsanleitung............. 13
WC dilacérateur
FR
Mode d’emploi ................. 22
Inodoro triturador
ES
Manual de instrucciones . . . . . . . . . . 32
Toilet met versnijdingspomp
NL
Instructihandleiding.............. 42
WC di macerazione
IT
Manuale di istruzioni ............. 51
Silppuripumppu-wc
FI
Ohjekirja...................... 60
Macerator-toalett
SV
Bruksanvisning ................. 69
Findelingstoilet
DA
Instruktionsvejledning ............ 78
8900 series
Macerator-toalett
NO
Brukerhåndbok................. 87
8600 series
8900 and 8600
Series
MasterFlush®
Toilets
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Dometic MasterFlush Toilet
1
B
E
A
C
G
J
I
H
2
D
F
L
K
B C
F
A
D
E
Table of contents
1 Notes on using the manual .................................................3
2 General safety instructions ..............................................3 - 4
3 Intended use ............................................................4
4 Components ............................................................4
5 Specications ...........................................................5
6 Operation............................................................ 6 - 7
7 Maintenance and winterizing............................................. 8 - 9
8 Troubleshooting .........................................................10
9 Warranty ..........................................................11 - 12
10 Customer service........................................................12
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EN
Page 3
Dometic MasterFlush Toilet Notes on using the manual
1 Notes on using the manual
Caution!
Safety Instruction: Failure to observe this instruction can cause material damage and
impair the function of the device.
Note
Supplementary information for operating the device.
fig. 1 A, page 2 : This refers to an element in an illustration. In this example, item A in
gure 1 on page 2.
2 General safety instructions
The manufacturer will not be held liable for claims for damage resulting from the following:
• Faulty assembly or connection
• Damage to the unit from mechanical inuences, misuse or abuse
• Alterations to the unit without express written permission from the manufacturer
• Use for purposes other than those described in the operating manual
2.1 Warnings – marine applications
The following statements must be read and understood before installing, servicing and/or
operating this product on a boat. Modification of this product may result in property damage.
Dometic recommends that a qualied marine technician or electrician install or service this product.
Equipment damage, injury to personnel or death could result from improper installation. DOMETIC
ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR DAMAGE TO EQUIPMENT, OR INJURY OR DEATH
TO PERSONNEL THAT MAY RESULT FROM IMPROPER INSTALLATION, SERVICE OR OPERATION
OF THIS PRODUCT.
Caution! Hazard of Flooding
If toilet is connected to ANY through-the-hull ttings, ALWAYS close seacocks when
toilet is not in use (even if boat is unattended for a brief period). All passengers MUST be
instructed on how to close valves when the toilet is not in use. Failure to do so can result in
ooding which can cause loss of property and life.
Caution! Hazard of Flooding
If the toilet uses fresh water for ushing and is connected directly or indirectly to a shoreside municipal water system at ANY time, shoreside water connections MUST be disconnected if the boat is unattended (even if boat is unattended for a brief period). Failure to do
so can result in ooding which can cause loss of property and life.
Caution! Hazard of Flooding
Before beginning any work on this product, be sure that all electrical power to the unit has
been turned off and that seacocks are in the CLOSED or OFF position. Failure to do so can
result in ooding which can cause loss of property and life.
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General safety instructions Dometic MasterFlush Toilet
Caution!
Overlling the holding tank can create serious damage to the sanitation system, such as
rupturing the holding tank and releasing tank contents into the bilge. To prevent this possibility, Dometic recommends using the “full” tank shut-down relay in the toilet’s electronic
control module. The “full” signal from the holding tank can be generated by an optional
Dometic DTM01C tank monitor or DTM04 four-level tank monitor system.
3 Intended use
The Dometic MasterFlush toilet provides an electric-ush toilet that macerates waste and pumps
it to a holding tank or other efuent storage/disposal system. Operated by a wall-mounted ush
switch, the toilet allows the user to add water to the bowl (before using or ushing) and to ush the
toilet by pushing a button. The Dometic ush switch panel includes lights to indicate when electric
power to the toilet is activated, and when the holding tank (if applicable) is full.
3.1 Benefits
Convenient electronic flush. Add water or ush with the touch of a button.
Choice of two water consumption settings. “Normal” ush uses 0.85 gal. (3.2 liters) per ush and adds
water to bowl after ush; “Dry Bowl” setting uses only 0.45 gal. (1.7 liters) per ush and does not add
water to the bowl.
Versatile installation. Powerful macerator pump allows toilet to be located up to 98 ft. (30 m) away and
9.8 ft. (3 m) below holding tank or other discharge line destination.
“Power on”, “3/4” and “full tank” indicator lights. Dometic ush switch panel indicates when
electrical power to toilet is activated, and when holding tank is 75% and/or 100% full (depending on
holding tank level indication system).
Automatic “full tank” shut-down. When connected to a holding tank level indication system, the
MasterFlush toilet control module will shut off electrical power to the toilet when the holding tank is full.
This safety features prevents overlling the holding tank, which may cause damage to the boat.
4 Components
(g.
Ref. Description
A Macerator toilet
B Dometic DFT ush switch
C Control module
D 4-wire cable to toilet macerator
E Cable from Dometic ush switch
F Cable for other mfr. ush switch and
4
1
, page 2)
pump and water valve
status panel
Ref. Description
G Incoming electrical power wires
H Power wires to raw water pump (opt.)
I Wire for “full tank” signal
J Wire for “3/4 full tank” signal
K Floor mounting hardware kit
L Floor mounting template
Refer to complete parts list (packed separately)
for additional information.
Page 5
Dometic MasterFlush Toilet Intended use
5 Specifications
5.1 Materials
Toilet: vitreous ceramic
Macerator pump body: glass-lled polypropylene
Control module housing: ABS
5.2 Minimum System Requirements
Dometic DFT switch panel frame: ABS
Dometic DFT switch panel: polycarbonate resin
Electrical
Water
Supply
Discharge Inside diameter 1.5 in./38 mm or 1 in./25 mm
Specications are subject to change without notice.
5.3 Dimensions (g.
Toilet models 8970, 8979, 8980, 8989
(standard height)
Ref. Dimension
A 18.125 in. / 460 mm
B 14.75 in. / 375 mm
C 18.625 in. / 473 mm
D 17 in. / 432 mm - seat height
E 15.75 in. / 400 mm
F 33.5 in. / 851 mm - seat lid up
Models 8670, 8679, 8680, 8689
(standard height)
Circuit breaker 20 amps/12 V DC; 15 amps/24 V DC
Wiring 12 ga. (up to 20 ft./6.1 m from breaker)
Fitting 0.5 in. NPT
Flow rate 2.0 gpm/7.6 lpm minimum
2
, page 2)
Toilet models 8930, 8939, 8940, 8949
(low-profile height)
Ref. Dimension
A 14.75 in. / 375 mm
B 14.75 in. / 375 mm
C 18.25 in. / 464 mm
D 13.625 in. / 346 mm - seat height
E 14.875 in. / 378 mm
F 30.25 in. / 768 mm - seat lid up
Models 8630, 8639, 8640, 8649
(low-profile height)
Ref. Dimension
A 18 in. / 457 mm
B 14.75 in. / 375 mm
C 19.75 in. / 502 mm
D 17 in. / 432 mm - seat height
E 16 in. / 406 mm
F 33.5 in. / 851 mm - seat lid up
Ref. Dimension
A 15 in. / 381 mm
B 14.75 in. / 375 mm
C 19.75 in. / 502 mm
D 14 in. / 356 mm - seat height
E 15.375 in. / 391 mm
F 30.5 in. / 775 mm - seat lid up
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Specifications Dometic MasterFlush Toilet
6 Operation
6.1 Toilet system start-up
1. Turn on water supply to toilet.
2. Press “Flush” switch (g. 3 2) once. After nine seconds of water ow, macerator pump will start
and run for about six seconds to clear bowl. It will take about ve seconds to rell bowl.
3. Toss several sheets of toilet paper into bowl and repeat
cycle. The bowl should completely clear.
3
6.2 Normal toilet operation
ADDING WATER TO TOILET BOWL
Press “Add Water” switch (g. 3 1) until desired water level
is achieved. (Water ow will shut off automatically if switch
is pressed too long to avoid overow.) More water is usually
added only when ushing solids.
FLUSHING TOILET
Press “Flush” switch (g. 3 2), then release it. This activates a powerful macerator pump that
siphons water and waste from the bowl, macerates, and propels the efuent through the discharge
line to the holding tank.
Note
If toilet system is equipped with Dometic DFS
or DFP ush switch, ush controls and indicator
lights are shown at right.
Caution – Do Not Flush Foreign Objects!
Flush only water, bodily wastes and rapid-dissolving toilet
tissue. Do not ush wet wipes, sanitary napkins, condoms,
diapers, paper cups, cotton swabs, food, hair or liquids
such as oils or solvents as clogging or damage to the toilet
or toilet system may occur.
1
DFT FLUSH SWITCH
DFS or DF P FLUSH S WITCH
2
43
Note
Make sure all guests understand toilet operation before use.
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Dometic MasterFlush Toilet Operation
6.3 Changing flush modes
MasterFlush toilets offer two ush settings to help manage water consumption:
Normal flush – Uses 0.85 gal. (3.2 liters) per ush. Adds water to bowl after every ush.
Dry Bowl flush – Uses 0.45 gal. (1.7 liters) per ush. Does not add water to bowl after ush.
To change from Normal to Dry Bowl ush setting, press “Flush” switch for about ve seconds.
When “Power On” light (g. 3 3, p. 6) begins ashing, release “Flush” switch. Flush mode has
been changed to Dr y Bowl setting. Change mode to Normal ush by following the same
procedure.
6.4 Indicator lights
“POWER ON” INDICATOR
On the Dometic ush switch panel, a steady green “Power On” light (g. 3 3, p. 6) indicates when
electrical power to the toilet is activated. A momentary ashing green light indicates when ush
mode is changing.
TANK LEVEL INDICATOR
Dometic DFT, DFS and DFP ush switch panels include a bi-color “3/4 Full” (amber) and “Full” (red)
Tank Level light (g. 3 4, p. 6) to indicate when the holding tank is 75% or 100% full (if connected
to a two-level tank monitoring system) and should be pumped out. When the red light is illuminated,
electrical power to the toilet automatically shuts off to prevent overll of the holding tank.
6.5 Bidet operation
(toilet models with
integrated bidet only)
1. Turn on bidet faucet by
turning handle away from
toilet (g. 4 ).
2. Adjust water temperature by
turning handle up for warm
water and down for cool
water (g. 5 ).
3. Use electronic “Flush” switch
to clear toilet bowl during
and after bidet use.
Caution! Hazard of Flooding
Be sure to shut bidet faucet off completely after use.
4 5
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Maintenance, winterizing Dometic MasterFlush Toilet
7 Maintenance and winterizing
7.1 Cleaning the toilet
To maintain the toilet’s original, lustrous appearance, use Dometic Toilet Bowl Cleaner or other
non-abrasive bathroom and toilet bowl cleaners. Please follow label directions.
Caution
To avoid damaging internal seals, do not clean toilet with abrasive cleaners, caustic
chemicals, or lubricants and cleaners that contain alcohols or petroleum distillates.
7.2 Routine maintenance
MONTHLY
1. Inspect toilet, plumbing, and plumbing connections, wires, and wire connections.
2. Open and close all plumbing valves, including seacocks (for boat applications).
3. Check in-line water lters and vented loops for blockage.
YEARLY
Check water valve lter. Also check water valve lter if water ow into toilet becomes insufcient.
7.3 During extended periods of non-use
The macerator toilet and sanitation hoses should be protected if toilet will not be needed for an
extended period of time (more than two weeks, especially in hot weather).
1. Flush toilet in “Normal” mode and add 4 oz. (118 ml) of liquid biodegradable laundry detergent
(should NOT contain bleach or environmentally harmful substances). Note: If using sea water for
ushing, shut off power to sea water pump and add fresh water by pouring directly into the bowl
during the ush cycle.
2. Flush toilet with water at least ve times.
3. Turn off water supply to toilet.
4. Flush the toilet without water. Repeat three times. (This procedure will minimize any remaining
water in the macerator pump.)
5. Turn off power to the toilet.
If system will be subjected to freezing temperatures, please follow above procedure, and then
winterize system as described in next section.
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Dometic MasterFlush Toilet Maintenance, winterizing
7.4 Winterizing
At the end of each season, the Dometic MasterFlush macerator toilet should be winterized for
storage by using potable water-safe antifreeze (if boat or vehicle will be exposed to freezing
temperatures).
Note
Use nontoxic antifreeze (propylene glycol) designated for potable water systems. (See boat
or vehicle owner’s manual.)
Caution
Never use automotive-type antifreeze (ethylene glycol) in freshwater systems.
PRESSURIZED FRESH WATER SYSTEM
1. Drain potable water tank and empty holding tank.
2. Add freshwater antifreeze to potable water tank.
3. Flush potable water antifreeze and water mixture through toilet(s) and into entire system,
including the waste holding tank, diverter valve connections, discharge pumps, etc. Turn off
power to toilet.
Each installation is different, so amounts may vary. User discretion is required to assure
adequate protection.
RAW WATER SYSTEM
Parts required: • 1.5 in. (38 mm) ID hose, about 3 ft. (1 m) long
• 0.625 in. (16 mm) ID hose, about 3 ft. (1 m) long
• two containers
1. Close intake and discharge seacocks. See Hazard of Flooding risks in this manual.
2. Turn off power to toilet.
3. Disconnect and drain intake hose, discharge hose, and in-line lters.
4. Connect 0.625 in. (16 mm) ID hose to raw water pump intake and 1.5 in. (38 mm) ID hose to toilet
discharge.
5. Place one container under hose connected to toilet’s discharge.
6. Place hose connected to intake pump into bucket with antifreeze and pour antifreeze in other
container.
7. Turn on power to toilet and ush until antifreeze is removed from toilet.
8. Disconnect power to toilet and reconnect all intake and drain hoses.
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Troubleshooting Dometic MasterFlush Toilet
8 Troubleshooting
Problem Possible Cause Service Instruction
1. Flush cycle operates correctly
but water in the bowl empties
slowly or not at all.
a. Discharge piping is pinched or
kinked.
b. Discharge piping is too high.
(Remember, all upward vertical
loops and should not exceed a
total of 9.8 feet (3 m) in height.)
c. The macerator pump or
discharge piping is blocked.
a. Check discharge piping.
b. Reroute discharge piping.
c. Close seacocks and clear
blockage.
2. Macerator pump makes
unusually loud noise or
continually trips breaker.
3. Flush cycle is not activated after
pushing on ush switch.
4. Insufcient or no water enters
the bowl.
5. Insufcient water ow during
bidet operation.
a. Foreign material in pump
chamber.
a. Holding tank is full and signal
from tank has shut down
electrical power to toilet.
b. Electrical power to toilet is shut
off or disrupted.
c. Flush switch is malfunctioning.
d. Circuit board in control module is
malfunctioning.
a. Water supply line is pinched or
kinked.
b. Screen in water valve is blocked.
c. Intake water lters are blocked
(in raw water system).
d. Water valve is malfunctioning.
a. Clogged inlet screen at hot or
cold connection at toilet/bidet
mixer valve.
b. Clogged aerator in bidet nozzle
inside toilet bowl.
c. Toilet/bidet mixer valve assembly
is not functioning properly.
a. Close seacocks and clear foreign
material.
a. Empty holding tank.
b. Check wiring and circuit
breakers (or fuses).
c. Replace ush switch.
d. Replace control module.
a. Check water supply line.
b. Clear blockage at water valve.
c. Clear water lters.
d. Replace water valve.
a. Disconnect water lines from
mixer valve and clean screens.
b. Unthread aerator nozzle and
clean.
c. Replace mixer valve assembly.
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Dometic MasterFlush Toilet Warranty
9 Warranty and product liability
North America and Rest of the World:
Manufacturer’s One-Year Limited Warranty
Dometic Corporation, Sanitation Division warrants to the original purchaser only that this product (certain
Dometic products, listed below, have a longer warranty period), if used for personal, family or household
purposes, is free from defects in material and workmanship for a period of one year from the date of
purchase.
If this Dometic product is placed in commercial or business use, it will be warranted to the original
purchaser only to be free of defects in material and workmanship for a period of ninety (90) days
from the date of purchase.
Dometic reserves the right to replace or repair any part of this product that proves, upon inspection
by Dometic, to be defective in material or workmanship. All labor and transportation costs or charges
incidental to warranty service are to be borne by the purchaser-user.
EXCLUSIONS
IN NO EVENT SHALL DOMETIC BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES,
FOR DAMAGES RESULTING FROM IMPROPER INSTALLATION, OR FOR DAMAGES CAUSED BY
NEGLECT, ABUSE, ALTERATION OR USE OF UNAUTHORIZED COMPONENTS. ALL IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILIT Y OR FITNESS FOR ANY
PARTICULAR PURPOSE, ARE LIMITED TO A PERIOD OF ONE YEAR FROM DATE OF PURCHASE.
IMPLIED WARRANTIES
No person is authorized to change, add to, or create any warranty or obligation other than that set forth
herein. Implied warranties, including those of merchantability and tness for a par ticular purpose, are
limited to one (1) year from the date of purchase for products used for personal, family or household
purposes, and ninety (90) days from the date of purchase for products placed in commercial or business
use.
OTHER RIGHTS
Some states do not allow limitations on the duration of an implied warranty and some states do not
allow exclusions or limitations regarding incidental or consequential damages; so, the above limitations may not apply to you. This warranty gives you specic legal rights, and you may have other rights
which vary from state to state.
To obtain warranty service, rst contact your local dealer from whom you purchased this product or go
to http://www.dometic.com for a dealer near you.
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Warranty Dometic MasterFlush Toilet
Europe:
Warranty and Customer Service
Warranty arrangements are in accordance with EC Directive 44/1999/CE and the normal conditions
applicable for the country concerned. For warranty or other service, please contact the Dometic
Customer Service department nearest you. Any damage due to improper use is not covered by the
warranty.
The warranty does not cover any modications to the product or the use of non-original Dometic parts;
the warranty does not apply if the installation and operating instructions are not adhered to and no
liability shall be entertained.
Product Liability
Product liability of Dometic Group and its subsidiary companies does not include damages which
may arise from: faulty operation; improper alterations or intervention in the equipment; adverse
effects from the environment which may impact the equipment itself or the direct vicinity of the
equipment or persons in the area.
To obtain warranty service, rst contact your local dealer from whom you purchased this product or go
to http://www.dometic.com to locate a dealer near you.
10 Customer service
There is a strong, worldwide network to assist in servicing and maintaining your toilet system.
For the Authorized Service Center near you, please call from 8:00 a.m. to 5:00 p.m. (ET)
Monday through Friday.
You may also contact or have your local dealer contact the Parts Distributor nearest you for
quick response to your replacement parts needs. They carry a complete inventory for the Dometic
product line.
Telephone: 1 800-321-9886 U.S.A. and Canada
330-439-5550 International
Fax: 330-496-3097 U.S.A. and Canada
330-439-5567 International
Web site: http://www.Dometic.com
http://www.DometicSanitation.com
REVISION A
Form No. 600345991 8/17
©2017 Dometic Corporation
12
Dometic Corporation, Sanitation Division
13128 State Rt. 226, P.O. Box 38
Big Prairie, OH 44611 USA
1-800-321-9886 • Fax: 330-496-3097
www.Dometic.com
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