Winterizing The Toilet - Dometic 4000 Série Manuel D'utilisation

Toilets
4.4 Clearing blockage in toilet base
➤ Turn off water to the toilet .
➤ Open the flush ball in Service Mode .
➤ Pull the foreign material from the one-inch diameter orifice at the bottom of the base or, using
a small diameter blunt rod, attempt to push the blockage through the orifice .
4.5 Locating potential vacuum leaks in base assembly
The VacuFlush toilet is part of a vacuum system that includes a vacuum pump and vacuum tank,
or a vacuum generator and discharge plumbing lines . If a vacuum leak is suspected, special
equipment will isolate the source of the leak . If the toilet is determined to be the source of the
leak, there are three possible areas to investigate:
➤ Flush ball and flush-ball seal . See "Water does not stay in toilet bowl (leaks between flush ball
and seal)" on page 12 .
➤ O-rings on the rotor shaft .
➤ O-rings around the bottom of the toilet base assembly .
Sources 1 and 2 will require the base assembly to be removed from the toilet and partially
disassembled .
4.6 Preparing the toilet for an extended period of non-use
Toilet system sanitation hoses should be cleared if the toilet will not be used for more than two
weeks .
➤ Flush the toilet in Normal Mode .
➤ Add 4 oz . (120 ml) of liquid biodegradable laundry detergent . The detergent should not
contain bleach or other environmentally harmful substances .
➤ Open the flush ball in Service mode . Hold the Add Water switch down for about two minutes .
➤ Release the Add Water switch and return the Service Mode switch to the Normal position .
➤ Turn off the water supply to the toilet .
➤ Flush the toilet without water, allowing the vacuum pump to shut off after the flush . Repeat
three times . (This procedure will minimize any remaining water in the sanitation hoses .)
➤ Turn off power to the vacuum pump .
➤ Completely pump out the holding tank
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If the system will be subjected to freezing temperatures, please follow the above
procedure, then proceed to "4 .7 Winterizing the toilet" on page 8 .
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If people will not be using the boat or RV for an extended period of time (vacation,
maintenance, off-season, etc .), or in the event of a long electrical power interruption,
electrical power and water supply to the toilet and the vacuum generator should be shut
off .
4.7

Winterizing the toilet

 RISK OF POISONING: Do not use an automotive-type antifreeze in fresh-water
systems . Failure to comply could result in property damage, serious injury, or death .
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The amount of antifreeze needed may vary, depending on the installation .
At the end of each season, the VacuFlush toilet system should be winterized for storage . The
following procedure should be used:
➤ Thoroughly flush the system with fresh water .
EN
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