5
SeaLand JW Vacuum Generator
Installation
6 Installation
6.1
General guidelines
6.3 Wiring
Note
Two-toilet VacuFlush systems require a vacuum generator for each toilet .
Note
Make sure to connect toilet discharge hose to inlet fitting of vacuum generator .
1 . Vacuum generator must be installed
horizontally only
.
2 . The vacuum generator can be located up to
50 feet (15 .2 m) from the VacuFlush toilet,
and 20 feet (6 .1 m) from the holding tank or
other waste destination .
1 . Wire vacuum generator according to diagram below and Electrical Specifications, Section 4 .2 .
2 . Pre-wired connectors (if applicable) can be cut off to complete wiring .
3 . Use stranded copper wire . Protect wires with grommets or other protective devices at holes
and sharp edges .
4 . Do not overfuse . Overfusing the vacuum generator will result in warranty invalidation .
1 . Make sure the vacuum generator is properly located before proceeding . Place the vacuum
generator on flat surface. Position as needed. Using a center punch, mark the four slotted
holes in the pump feet . Remove vacuum generator .
2 . Using a 3/16-inch (5 mm) drill bit, drill the four mounting holes . Use #14 wood screws and
washers to secure vacuum generator .
3 . Position pump body (fig .
1
F, page 2) to accommodate plumbing layout, if necessary, by
loosening four fasteners that hold pump onto vacuum tank, rotating pump body to desired
position, and retightening fasteners .
4 . Spin-nut connections on inlet and outlet fittings
allow easy installation and positioning of hoses .
After positioning inlet fitting in proper direction to
accept inlet hose from toilet,
tighten spin-nut
1/2-turn past hand-tight with wrench
(fig .
3
A,
page 2) . Use two hose clamps for each hose
connection (fig .
3
B, page 2) .
6.2
Installation and plumbing
Caution – Pump
starts automatically.
Turn off power before
making final electrical
connection or servicing .
3 . The vacuum generator inlet must not be
located more than 6 feet (1 .8 m) higher than
the toilet discharge outlet .
4 . The maximum head pressure on the
discharge side must not exceed 6 ft . (1 .8 m) .
5 . To minimize standing sewage in discharge
hose, position vacuum generator inlet at
same level or lower than toilet outlet where
possible .
