Dometic MasterFlush 7120 Bedienungsanleitung

Macerator Toilet

Operation manual

MasterFlush®Series

Toilets with

ORBIT Base

Applies to toilet models

7120, 7160, 7220, 7260

7200 Series

7100 Series

B1-B2

3 4 5 6 7

Dometic MasterFlush Series Toilet / ORBIT Base

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 qualied 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.

1 Notes on using the manual .................................................3

2 General safety instructions ..............................................3 - 4

3 Intended use ............................................................4

4 Components ............................................................5

5 Specications ...........................................................5

6 Operation............................................................6 - 8

7 Maintenance and winterizing.............................................8 - 9

8 Troubleshooting .........................................................10

9 Warranty ..........................................................11 - 12

10 Customer service........................................................12

1 Notes on using the manual

Note

Supplementary information for operating the device.

ﬁg. 1A, page 2 : This refers to an element in an illustration. In this example, item A in

gure 1 on page 2.

Caution!

Safety Instruction: Failure to observe this instruction can cause material damage and

impair the function of the device.

Table of contents

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inuences,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

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.

Dometic MasterFlush Series Toilet / ORBIT Base

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.

Caution!

Overlling 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 a “full” tank shut-down relay. 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

DometicMasterFlushseriesmaceratortoiletprovidesanelectric-ushtoiletthatmacerateswaste

andpumpsiteithertoaholdingtankorotherefuentstorage/disposalsystem,oroverboard(follow

localregulationsforwastetankdischarge).Operatedbyaremoteushswitch,thetoiletallowsthe

usertoaddwatertothebowl(beforeorafterushing)andtoushthetoiletbypushingabutton.

3.1 Beneﬁts

Convenient electronic ﬂush. Addwater(freshwaterversiononly)orushwiththetouchofabutton.

Versatile installation. Several features enhance the installation possibilities of 7100 and 7200 series

macerator toilets:

• Adjustable toilet base. Toilet base can be positioned so that macerator pump housing

extends in any direction from the center of the toilet.

• Floorplan ﬂexibility. Macerator pump allows toilet to be located up to 40 ft. (12.2 m) away or

up to 4 ft. (1.2 m) below holding tank or other discharge line destination.

• Self-priming raw water pump (raw water ﬂush version only).Integralpumpforrawush

water is self-priming with a maximum lift of 4 ft. (1.2 m).

Automatic “full tank” shut-down (optional installation - tank level monitor and shut-down relay

required. Available separately). When the shutdown relay is connected to a holding tank level indica-

tion system, electrical power to the toilet shuts off when the holding tank is full. This safety feature

prevents overlling the holding tank, which may cause damage to the boat.

Dometic MasterFlush Series Toilet / ORBIT Base

4 Components

Installed toilet (g. 1, page 2) Toilet components (g. 2, page 2)

5.2 Minimum System Requirements

5 Speciﬁcations

5.1 Materials

Toilet: vitreous ceramic

Toilet base: polypropylene

Dometic ﬂush switch panel: polystyrene (DFS-1F or DFS-2F); or powder-coated aluminum

(DFST)

Electrical

Power draw 20amps/12VDC;10amps/24VDC

Circuit breaker 25amps/12VDC;15amps/24VDC

Wiring 12ga.(upto25ft./7.6mtotalcircuit)

Consult ABYC guidelines for additional information.

Water

Supply

Fitting size

Supply hose ID

0.5in.NPT–freshwaterushtoilet

0.75in.ID–rawwaterushtoilet

Flow rate 2.0gpm/7.6lpmminimum–freshwaterush

Discharge

Inside diameter 1.5in./38mmor1in./25mm

Horizontal run* 40ft./12.2mmaximum

Vertical run* 4ft./1.2mmaximum

*Horizontalandverticalrundistancesarenotcumulative.Checkforadequatedischargeow

if installation nears one of these limits.

Specications are subject to change without notice.

Ref. Description

A Macerator toilet

B1 DFS-2Fushswitch(standard-

freshwaterushtoilet)

B2 DFS-1Fushswitch(standard-

rawwaterushtoilet)

NS DFSTushswitch(optional)

NOT SHOWN - see page 6

Ref. Description

1Rimushcheckvalve(freshwater

toilet) or adapter (raw water model)

2 Water supply hose

3 Macerator pump (under plastic cover)

4 Electric water valve

5 Product ID label location

6 Stainless steel compression band

7 Discharge tting

Refer to complete parts list (packed separately)

for additional information.

Dometic MasterFlush Series Toilet / ORBIT Base

6.2.1 Toilet system start-up

1. Turn on fresh water supply to toilet.

2. Press “Flush” switch (2) and hold for at least 10 seconds.

3. Toss several sheets of toilet paper into bowl and repeat

cycle. The bowl should completely clear.

6.2.2 Normal toilet operation

ADDING WATER TO TOILET BOWL

Press “Add Water” switch (1) and hold until desired water level

is achieved. (Do not press “Add Water” switch too long or

overowmayoccur.)

FLUSHING TOILET

Press “Flush” switch (2) down and hold until waste drains from

toilet bowl (about 10-20 seconds). This switch activates a macerator pump that siphons water and

wastefromthebowl,macerates,andpropelstheefuenttothedischargeline/holdingtank.Touse

lesswaterforliquid-onlyushes,press“Flush”switchforshorterperiodoftime.

“DRY BOWL” OPERATION

During periods of rough travel, water in a toilet bowl can splash out and into the bathroom area. To

avoid this situation, press “Dry Bowl” switch (3) to drain water completely from toilet bowl. Water is not

added to bowl during or after pressing the “Dry Bowl” switch.

6 Toilet Operation

6.1 Freshwater Flush (with DFS-2F switch)

6.1.1 Toilet system start-up

1. Turn on fresh water supply to toilet.

2. Press “Flush” switch (2) and hold for at least 10 seconds.

3. Toss several sheets of toilet paper into bowl and repeat cycle.

The bowl should completely clear.

6.1.2 Normal ﬂushing

ADDING WATER TO TOILET BOWL

Press “Add Water” switch (1) until desired water level is achieved. (Do not press “Add Water” switch

toolongoroverowmayoccur.)Morewaterisusuallyaddedonlywhenushingsolids.

FLUSHING TOILET

Press “Flush” switch (2) down and hold until waste drains from toilet bowl (about 10-20 seconds).

This switch activates a macerator pump that siphons water and waste from the bowl, macerates,

andpropelstheefuenttothedischargeline/holdingtank.

Touselesswaterforliquid-onlyushes,press“Flush”switchforshorterperiodoftime.

6.2 Freshwater Flush (toilet with DFST switch)

Caution

Do not operate toilet without water supply turned on. Damage to internal components

may occur.

Dometic MasterFlush Series Toilet / ORBIT Base

6.3 Toilet operation when connected to “full tank” shut-down relay

and tank monitor system

When a Dometic macerator toilet system uses a “full tank” shut-down relay, electrical power to the

toilet is shut off when the holding tank level reaches “full”. To restore electrical power to the toilet for

ushing,holdingtankcontentsmustbeemptiedordischargeduntilthe“full”tankindicatoris

not activated.

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.

Note

Make sure all guests understand toilet operation before use.

Caution – Do Not Flush Waste with “Dry Bowl” Switch!

To maintain proper cleanliness and operation of the toilet and macerator pump, water

shouldbeusedwitheveryush.

6.4.1 Toilet system start-up (toilet with DFS-1F switch)

1. Open raw water inlet and toilet discharge outlet

seacocks.

2. Press “Flush” switch (1) and hold for at least 10 seconds.

3. Toss several sheets of toilet paper into bowl and repeat cycle.

The bowl should completely clear.

6.4.2 Normal toilet operation

FLUSHING TOILET

Press “Flush” switch (1) down and hold until waste drains from toilet bowl (about 10-20 seconds).

This switch activates a macerator pump that siphons water and waste from the bowl, macerates,

andpropelstheefuenttothedischargeline.

Touselesswaterforliquid-onlyushes,press“Flush”switchforshorterperiodoftime.

If toilet bowl does not completely ﬂush andllsupwithrawwaterduringush,partiallycloseinlet

valveuntilbowlclearsandcompletelydischargesefuent.Then,withinletanddischargevalves

completelyopen,ushtoiletforafewsecondstocleartoiletanddischargesystem.

6.4 Raw Water Flush

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.

Dometic MasterFlush Series Toilet / ORBIT Base

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.

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.

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insufcient.

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 and add 4 oz. (118 ml) of liquid biodegradable laundry detergent (should NOT con-

tainbleachorenvironmentallyharmfulsubstances).Note:Ifusingrawwaterforushing,shut

offpowertorawwaterpumpandaddfreshwaterdirectlyintothebowlduringtheushcycle.

2. Flush toilet at least ve times.

3. Turn off water supply to toilet.

4. Flushthetoiletwithoutwaterverybrieytoevacuateallwater.(Thisprocedurewillminimize

any remaining water in the macerator pump.)

Caution

During water evacuation process, do not operate raw water pump very long without water.

Pump impeller may become damaged.

5. Turn off power to the toilet.

6. After extended periods of non-use, toilet and pump may dry. For easier re-start of toilet

system, add one quart of water to bowl and let it stand for a few minutes before use.

7 Maintenance and winterizing

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.

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.

Note

Make sure all guests understand toilet operation before use.

Dometic MasterFlush Series Toilet / ORBIT Base

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: •Hosethattsrawwaterpump,about3ft.(1m)long

  •onecontainer

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 and in-line lters.

4. Connect hose to raw water pump intake.

5. Place hose connected to pump intake into bucket with antifreeze in it.

6. Turnonpowertotoiletandushuntilantifreezeisremovedfromtoilet.

7. Disconnect power to toilet and reconnect all intake and drain hoses.

7.4 Winterizing

At the end of each season, the Dometic macerator toilet should be winterized for storage by using

potable water-safe antifreeze (if boat or vehicle will be exposed to freezing temperatures).

If system will be subjected to freezing temperatures, please follow procedures in section 7.3,

“During extended periods of non-use”, and then winterize system as described here.

Caution

Never use automotive-type antifreeze in freshwater systems.

Note

Use nontoxic antifreeze designated for potable water systems. (See boat or vehicle

owner’s manual.)

Dometic MasterFlush Series Toilet / ORBIT Base

8 Troubleshooting

Problem Possible Cause Service Instruction

1. Flush function works, but water

in 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 4 feet (1.2 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.

a. Foreign material in pump

chamber.

a. Close seacocks and clear foreign

material.

3. Flush cycle is not activated after

pushingonushswitch.

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.

a. Empty holding tank.

b. Check wiring and circuit

breakers (or fuses).

c.Replaceushswitch.

4. Insufcient or no water enters

the bowl.

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. Check water supply line.

b. Clear blockage at water valve.

c. Clear water lters.

d. Replace water valve.

Dometic MasterFlush Series Toilet / ORBIT Base

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