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This manual must be read and under- stood before installation, adjustment, service, or maintenance is performed. Modification of this product can result in property damage. Dometic Sanitation Corporation 328 State Rt 226, PO Box 38 Big Prairie, OH 446 SeaLand Product Customer Service: -800-32-9886 www.DometicUSA.com...
• Vacuum pump and switch are pre-wired at factory. installer. If a full level indicator light was not installed, • Easy to mount. order part number 3874 from Dometic. The indicator Reliability is Built-In light is not part of the basic system.
ImpORTANT: pRINCIpLeS OF OpeRATION Before pumping out the VHT, it is recommended that the power to the system VacuFlush systems use a small amount of water (one be turned off. Then, flush the toilet. This releases pint to one quart) and the vacuum that is generated by the stored vacuum in the tank, thus, allowing the the vacuum pump to flush.
COmpONeNT LOCATING pROCeDuRe Check Component Location Vacuum Toilet Bathroom com- 1. Check dimensions of mounting space above and below floor. partment or under 2. Determine best toilet discharge connection: above floor, out rear or below floor. berth. 3. Allow at least ½-inch (.3 cm) clearance between toilet rear and wall. 4.
/2-inch MPT connection on the toilet water valve. (This adapter can be found through a local supplier or through Dometic.) The water supply must provide a minimum flow of two (2) gallons per minute (7.6 liters per minute).
WINTeRIzING At the end of each boating season, the VacuFlush system 6. Drain potable water tank. must be winterized for storage. The following procedure Add freshwater antifreeze to potable water tank. should be used: 8. Flush potable water antifreeze and water mixture 1.
TROuBLeSHOOTING GuIDe possible Cause problem Service Instructions 6. Pump running too slow, a. Improper voltage. a. Check input power for low voltage. overheating, blowing b. Loose or broken electrical b. Tighten or reconnect wires. fuses or circuit breakers. wiring. c. Improper wire size. c.
If this Dometic product is placed in commercial or business use, it will be warranted, to the original purchaser only, to be free of defects in material and workmanship for a period of ninety (90) days from the date of purchase.
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