Dometic 7220 Specifications download pdf (Page 7)

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

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Dometic 7220 Specifications Page 7