Specifications; Operation - Dometic MASTERFLUSH MF7100 Operating Manual

Specifications

• Adjustable toilet base. The toilet base can be
positioned so that macerator pump housing
extends in any direction from the center of
the toilet.
• Floor plan flexibility. The macerator pump
allows the toilet to be located up to 40 ft
(12.2 m) away or up to 4 ft (1.2 m) below
the holding tank or other discharge line
destination.
• Self-priming raw water pump (raw water flush
version only). The integral pump for raw flush
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 indication system, the electrical power to
the toilet shuts off when the holding tank is full.
This safety feature prevents overfilling the holding
tank, which may cause damage to the boat.
4 Specifications
4.1 Materials
Vitreous ceramic
Toilet
Polypropylene
Toilet base
Polystyrene (DFS-1F or DFS-2F);
Dometic flush
or powder-coated aluminum
switch panel
(DFST)
4.2 Minimum System Requirements
Power draw
Circuit breaker
Electrical
Wiring
1
Fitting size
Supply hose ID
Water
Supply
Flow rate
6

5 Operation

NOTICE: Failure to obey the following may
cause clogging or damage to the toilet, toilet
components, or toilet system.
I
5.1
20 amps/12 VDC;
DFS-2F switch (figure 3, page 3)
10 amps/24 VDC
25 amps/12 VDC;
15 amps/24 VDC
12 gauge
Up to 25 ft (7.6 m)
5.1.1 Toilet system start-up
total circuit
1. Turn on the fresh water supply to the toilet.
0.5 in. NPT – fresh
water flush toilet
2. Press the Flush switch and hold for at least
0.75 in. ID – raw
3. Toss several sheets of toilet paper into the
water flush toilet
2.0 gpm/7.6 lpm
minimum – fresh
water flush
Inside diameter
Horizontal run
Discharge
Vertical run
Consult ABYC guidelines for additional
1
information.
Horizontal and vertical run distances are not
2
cumulative. Check for adequate discharge flow if
installation nears one of these limits.
• Do not operate the toilet without the water
supply turned on.
• Do not flush foreign objects. Flush only
water, bodily wastes, and rapid-dissolving
toilet tissue.
• Do not flush wet wipes, sanitary napkins,
condoms, diapers, paper cups, cotton
swabs, food, hair, or liquids such as oils or
solvents.
Make sure all guests understand toilet
operation before use.
Freshwater flush (DFS-2F switch)
Add Water switch
q
Flush switch
w
10 seconds.
bowl and repeat the cycle. The bowl should
completely clear.
Macerator Toilet
1.5 in (38 mm) or
1.0 in (25 mm)
40 ft (12.2 m)
2
maximum
4 ft (1.2 m)
2
maximum
EN