Dometic MASTERFLUSH MF7100 Operating Manual page 7

Macerator Toilet
5.1.4 Normal flushing
Adding water to toilet bowl
Press the Add Water switch until the desired
water level is achieved.
More water is usually added only when flushing
solids.
I
Do not press the Add Water switch too
long or overflow may occur.
Flushing toilet
Press the Flush switch down and hold until the
waste drains from the toilet bowl (about 10-20
seconds).
To use less water for liquid-only flushes, press
the Flush switch for a shorter period of time.
The switch activates a macerator pump that
siphons water and waste from the bowl,
macerates, and propels the effluent to the
discharge line/holding tank.
5.2 Freshwater flush (DFST switch)
DFST switch (figure 4, page 3)
Add Water switch
q
Flush switch
w
Dry Bowl switch
e
5.2.1 Toilet system start-up
1. Turn on the fresh water supply to the toilet.
2. Press the Flush switch and hold for at least
10 seconds.
3. Toss several sheets of toilet paper into the
bowl and repeat the cycle. The bowl should
completely clear.
5.2.4 Normal toilet operation
NOTICE: Do not flush waste with the Dry Bowl
switch. To maintain proper cleanliness and
operation of the toilet and macerator pump,
water should be used with every flush.
Adding water to toilet bowl
Press the Add Water switch until the desired
water level is achieved.
More water is usually added only when flushing
solids.
EN
I
Do not press the Add Water switch too
long or overflow may occur.
Flushing toilet
Press the Flush switch down and hold until the
waste drains from the toilet bowl (about 10-20
seconds).
To use less water for liquid-only flushes, press
the Flush switch for a shorter period of time.
The switch activates a macerator pump that
siphons water and waste from the bowl,
macerates, and propels the effluent to the
discharge line/holding tank.
Dry bowl operation
During periods of rough travel, water in the
toilet bowl can splash out and into the bathroom
area. To avoid this situation, use the dry bowl
function.
Press the Dry Bowl switch to drain the water
completely from the toilet bowl.
I
Water is not added to the bowl during or
after pressing the Dry Bowl switch.
5.3 Toilet operation when
connected to full tank shut-down
relay and tank monitor system
When a 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 the electrical power to the toilet
for flushing, the holding tank contents must
be emptied or discharged until the full tank
indicator is not activated.
5.4 Sea water flush
DFS-1F switch (figure 5, page 3)
Flush switch
q
5.4.1 Toilet system start-up (DFS-1F
switch)
1. Open the sea water inlet and the toilet
discharge outlet seacocks.
2. Press the Flush switch and hold for at least
10 seconds.
3. Toss several sheets of toilet paper into the
bowl and repeat the cycle. The bowl should
completely clear.
Operation
7