Dometic MasterFlush 8740 User manual

8700 Series

MasterFlush®

Toilets

INSTALLATION

Macerator Toilet

Installation..................... 3

Mazerier-WC

Installation.................... 13

WC dilacérateur

Installation .................... 23

Inodoro triturador

Instalación .................... 32

Toilet met versnijdingspomp

Installatie ..................... 41

WC di macerazione

Installazione ................... 50

Silppuripumppu-wc

Asennus...................... 59

Macerator-toalett

Installation .................... 68

Findelingstoilet

Installation .................... 77

Macerator-toalett

Montering..................... 86

Dometic 8700 Series MasterFlush Toilet

Dometic 8700 Series MasterFlush Toilet Notes on using the manual

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

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

3 Components ............................................................5

4 Specications ...........................................................6

5 Installation ..........................................................7 - 11

6 RV installation appendix ..................................................11

7 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

2.1 Warnings – marine and recreation vehicle 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 or RV 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 PERSONAL

INJURY OR DEATH THAT MAY RESULT FROM IMPROPER INSTALLATION, SERVICE OR OPERATION

OF THIS PRODUCT.

Dometic 8700 Series MasterFlush ToiletGeneral safety instructions

Caution! Hazard of Flooding

If toilet uses raw water for ushing at ANY time, a raw water pump controlled by an auto-

matically operating demand switch MUST NOT be installed. If the onboard water valve or

any plumbing connections were to leak, the automatically operated pump would start and

could ood the boat. Failure to comply 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! Hazard of Shock or Fire

Always use recommended fuse, circuit breaker and wire size. Failure to do so can result in

re that can cause the 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 pos-

sibility, 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.

Caution! Hazard of Flooding

If toilet rim is below the waterline at ANY time (during any conditions of heel, load or trim)

and is connected to ANY through-the-hull ttings, properly positioned ventilated (vented)

loops MUST be installed in intake* or discharge piping to prevent potential back siphonage

of seawater into the boat. Failure to do so can result in ooding which can cause loss of

property and life.

* if connected to raw water

Caution! Hazard of Flooding

If toilet is connected to ANY through-the-hull ttings, ALL exible hoses must be of marine

sanitation quality and must be secured to ANY ttings (such as those at seacock, vented

loop or toilet) with two stainless steel, worm-drive hose band clamps at each connection.

Connections MUST be checked frequently for integrity. Failure to comply can result in

ooding which can cause loss of property and life.

Caution! Hazard of Flooding

If the toilet is connected to ANY through-the-hull ttings, properly installed seacocks MUST

be installed in all piping connected to through-the-hull ttings. Seacocks MUST be easily

accessible to all users of the toilet or secondary valves tted in hoses where they are easily

accessible. All valves MUST be full bore valves and of marine quality. Screw-to-close gate

valves are not recommended. Failure to do so can result in ooding which can cause loss

of property and life.

2.2 Warnings – marine applications

Dometic 8700 Series MasterFlush Toilet Components

3 Components

(g. 1, page 2)

Ref. Description

A Macerator toilet

B Dometic DFT ush switch

C Control module

D 4-wire cable to toilet macerator

pump and water valve

E Cable for Dometic DFT ush switch

or DSS status panel (RJ45/ethernet)

F Cable to toilet’s electronic ush

handle (for ush handle model)

G Incoming electrical power wires

HPower wires to raw water pump (opt.)

I Wire for “3/4-full tank” signal

J Wire for “full tank” signal

K Floor mounting hardware kit

L Floor mounting template

M Flush handle (for ush handle model)

N Dometic DSS status panel

(for ush handle model)

OCable for ush handle and other mfr.

status panel (for ush handle model)

Ref. Description

1 Anti-siphon valve

2 Vacuum breaker

3 Discharge loop outlet

4 Discharge adapter tting

5 Discharge hose tting

6 Macerator pump

7 Water valve

8Water line - 0.5 in. NPT tting

9 4-pin cable connector

10 Flush handle

(on ush handle model only)

11 Flush handle cable connector

Refer to complete parts list (packed separately)

for additional information.

(g. 2, page 2)

Dometic 8700 Series MasterFlush ToiletSpecifications

4.2 Minimum System Requirements

4.3 Dimensions (g. 3

, page 2)

Ref. Dimension

A 19 in. / 483 mm

B 14 in. / 356 mm

C21.5 in. / 546 mm

D 17.5 in. / 445 mm - seat height

E 17 in. / 432 mm

F 33.5 in. / 851 mm - seat lid up

Ref. Dimension

A 2 in. / 51 mm

B 3.25 in. / 83 mm

C0.4375 in. / 11 mm

Ref. Dimension

A 19 in. / 483 mm

B 15.75 in. / 400 mm

C21.5 in. / 546 mm

D 17.5 in. / 445 mm - seat height

E 17 in. / 432 mm

F 33.5 in. / 851 mm - seat lid up

Ref. Dimension

A 4.187 in. / 106 mm

B 5.25 in. / 133 mm

C2.063 in. / 52 mm

Models with wall-mounted

ﬂush touchpad (no ush handle)

Dometic ﬂush switch/status panel

(g. 4

, page 2)

Models with ﬂush handle

Control module (g. 5

, page 2)

4 Speciﬁcations

4.1 Materials

Toilet: vitreous ceramic

Macerator pump body: glass-lled polypropylene

Control module housing: ABS

Dometic DFT switch panel frame: ABS

Dometic DFT switch panel: polycarbonate resin

Flush handle: plated brass (on applicable toilet

models)

Electrical Circuit breaker 20 amps/12 V DC; 15 amps/24 V DC

Wiring* 12 ga. (up to 20 ft./6.1 m from breaker)

Water

Supply

Fitting 1/2 in. NPT

Flow rate 2.5 gpm / 9.5 lpm

Maximum ow pressure 40 PSI / 276 kPa

Discharge

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

Horizontal run** 98 ft. / 30 m maximum

Vertical run** 9.8 ft. / 3 m maximum

* For RV installation, see Appendix on page 15.

** 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.

Dometic 8700 Series MasterFlush Toilet Installation

5 Installation

5.1 Fresh water system layout - marine application

5.2 Raw water system layout - marine application

(additional components required)

Note

Use cold water only. Include shut-off valve in water line for maintenance purposes.

Notes

Use cold water only. Include shut-off valve in water line for maintenance purposes.

Use primary and secondary raw water lters.

Raw water pump MUST NOT be demand-type. Pump is controlled by control module.

Install vented loop as shown. It must be equipped with integral check valve that permits air into line to

prevent siphoning.

Dometic 8700 series macerator toilets can

operate with an onboard pressurized freshwater

system with a minimum ow rate of 2.5 gpm

(9.5 lpm) at the toilet. Onboard fresh-water

demand systems include a water pump that

automatically draws water from a water

Dometic macerator toilets can ush on seawater but require a separate pump for this purpose. The

pump is activated by the signal from the toilet’s electronic control module that would operate the

integral water valve in a fresh water system. If the raw water pump draws more than 18 amps of

current, a 12 or 24 V DC electrical relay must be installed.

storage tank when a valve anywhere in the

piping system is opened. Dometic toilets are

equipped with an electrically operated water

valve and a backow preventer to prevent

contamination of onboard potable supplies.

VENT

FITTING

SEACOCK

VENT

FILTER

DISCHARGE

PUMP

DECK

DISCHARGE “3/4” AND

“FULL” LEVEL

PROBES (opt.)

CONTROL

MODULE

CONTROL

MODULE

MACERATOR

TOILET

MACERATOR

TOILET

FLUSH

SWITCH

FLUSH

SWITCH

0.5 in./13 mm

FRESH WATER

HOSE

0.5 in./13 mm

WATER HOSE

0.625 in./16 mm HOSE

1 in./25 mm HOSE

SEACOCK

TO SUCTION SIDE OF

RAW WATER PUMP

FINE WATER FILTER

(100 MESH)

SMALL ENGINE INTAKE STRAINER (COARSE)

RAW WATER

PUMP

WATER LINE

HOLDING TANK

(cut-away view)

VENTED LOOP/CHECK VALVE

Must be 8 in./203 mm minimum

above water line during all

conditions of heel, trim or load

Dometic 8700 Series MasterFlush ToiletInstallation

5.3 Toilet system with wall touchpad and through-the-ﬂoor connections

- all applications

1. Place oor mounting template in desired location (g. 8). For optimal user comfort, make sure

walls or other interior xtures are at least 11 in. (279 mm) away from centerline of template.

2. Center punch all holes through template.

3. Remove template from oor. Drill all access holes as indicated on template (g. 9).

4. Plan ush switch panel and electronic control module locations so that electrical connections can

be made with cables provided. Be sure module and wires cannot get wet.

5. Use Dometic wall switch template to mark location of fastener and access holes. Drill 1 in.

(25 mm) hole, then fasten panel bracket to wall (g. 10 ).

6. Route Dometic ush switch panel cable (g. 1

E, p. 2) from ethernet connector on control

module to access hole at ush switch panel location. Attach cable to Dometic DFT ush switch

panel, then snap the panel cover onto the panel bracket (g. 10 ).

7. Install control module in cool, dry location, then attach Dometic ush switch cable to ethernet

connector on control module (g. 11 ).

8. With electrical power off, complete wiring connections to control module. Refer to wiring diagram

printed with parts list (packed separately).

9. Route 4-wire control module cable (g. 1D, page 2) to toilet through access hole in oor.

10. Route water supply and discharge plumbing to toilet according to system requirements (Section

4.2). Make sure to provide extra discharge hose length to assure easy connection to toilet

(g. 12 , page 9).

8910

Note

When installing Vimar or Gewiss ush switch/status panel,

disregard instructions for installing Dometic touchpad switch.

Install Vimar or Gewiss component on wall according to

manufacturer’s instructions, then attach end of cable to 6-wire

connector (g. 1D, page 2) at control module.

11. Loosen band clamp on discharge loop outlet and remove discharge adapter tting/hose

tting assembly (g. 13 ).

12. Lubricate discharge tting assembly and inside end of discharge hose with liquid dishwashing

soap. Push discharge tting assembly into discharge hose and connect with two hose clamps.

Be sure to position hose clamp screws 180° apart from each other (g. 14 ). Place toilet near

access holes and oor brackets.

13. Connect toilet water line and 4-pin connector to water supply line and control module cable.

14. Position toilet over oor brackets and tilt toilet up from back. Push discharge assembly tting

and hose up into discharge loop outlet. Lower toilet to oor and tighten band clamp (g. 15 ).

15. Turn on water supply and electrical power to toilet, and check for leaks. Press “Flush” switch

(g. 42, page 2). If leak occurs, tighten connection.

16. At oor mounting holes, drill pilot holes for hex-head oor fasteners. Install fasteners and

washers using a 3/8 in. (10 mm) socket wrench (g. 16 ).

17. Cover oor fasteners with plastic covers (g. 17 ).

Dometic 8700 Series MasterFlush Toilet Installation

15 16 17

Dometic 8700 Series MasterFlush ToiletInstallation

5.4 Toilet system with ﬂush handle and through-the-ﬂoor connections

- all applications

1. Follow steps 1-3 in Section 5.3.

2. Plan electronic control module and status panel locations so that electrical connections can be

made with cables provided. Be sure module and wires cannot get wet.

3. Use Dometic wall switch template to mark location of fastener and access holes for DSS status

panel (g. 1

N, p. 2). Drill wiring access hole, then fasten panel bracket to wall.

4. Route ush handle cable (g. 1

O, p. 2) from ush handle cable on control module (g. 1

p. 2) to toilet location, and route ethernet cable (g. 1E, p. 2) to DSS status panel location.

(If using status panel other than Dometic DSS panel, route orange connector end of Dometic

ush handle cable (g. 1

O, p. 2) through access hole at toilet location. Route other section of

cable through status panel access hole and connect to panel wires. Attach status panel to wall.)

5. Install control module in cool, dry location, then attach Dometic ush switch/status panel cable(s)

to control module (g. 18 ).

6. With electrical power off, complete wiring connections to control module. Refer to wiring diagram

printed with parts list (packed separately).

7. Route 4-wire control module cable (g. 1

D, p. 2) to toilet through access hole.

8. Route water supply and discharge plumbing to toilet according to system requirements (Section

4.2). Make sure to provide extra discharge hose length to assure easy connection to toilet

(g. 19 ).

9. Follow steps 11-13 in Section 5.3 to connect discharge plumbing and 4-pin connector at toilet.

10. Connect 3-pin ush handle cable connector to 3-pin wire from control module (g. 20 ).

11. Follow steps 14-17 from Section 5.3 to nish installation and testing. Press ush handle down

when testing operation and checking connections.

18 20

This manual suits for next models

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