SeaLand VHT 4500 Holding Tank - 140 Series VacuFlush Toilet - Manual (Page 7)

7
The Vacuum Holding Tank (VHT) can be located
in any accessible space as long as the 1.5-inch
hose is not longer than 20 feet (6.1 m) and the
VHT inlet is not higher than 3 ft. (0.9 m) from
the toilet outlet. The VHT must be mounted
horizontally.
1. Position VHT in space intended. Make sure
there is enough space around top of VHT
to make all plumbing and electrical connec-
tions.
2. Secure the VHT with four 1/4 inch x 1-1/2 inch long lag screws and washers on all tank mounting
feet. Secure at all four mounting feet.
insTallaTion (cont’d)
VacuuM holDinG TanK
connEcTinG saniTaTion hosE
1. To connect 1.5-in. (38 mm) ID sanitation hose (not
supplied) from toilet outlet fitting to the VHT inlet
fitting, place two 2-inch (51 mm) hose clamps on
hose near each end that will attach to discharge
and inlet fittings. Apply liquid dishwashing soap to
outside of fitting and inside hose. Twist hose as it
is pushed onto fitting. Hose end should be flush
against the fitting shoulder when properly installed. After pushing hose and fitting together,
tighten both hose clamps to tighten the connection.
2. Connect 1.5-in. (38 mm) ID sanitation hose(s) (not supplied) to tank outlet fitting(s) with two
2-inch clamps per connection, then connect other end(s) to other discharge fittings.
3. Connect 5/8-in. (16 mm) ID vent hose (not supplied) between vacuum pump discharge and
through-hull vent fitting. Install SaniGard™ vent filter (available separately) in vent line for
added protection against malodors.
other than dishwashing liquid, do not use any other lubricants, sealants or adhesives when
connecting sanitation hoses and fittings. Do not restrict the ability to pull the hose or pipe.
EXcEllEnT
Avoid binding corners and sharp bends.
Do not use wire ties to secure the hose or pipe.
Vertical hose runs should be installed as vertical as possible (no
long runs at an angle) for maximum vacuum efficiency.
YEs YEs
Trough
support
How To Make Hose Installation Easier