2
WINTERIZING
WARNING: If connected to a Lectra/San or Purasan
treatment system there should not be any antifreeze in
the system when activating the Lectra/San or Purasan.
Injury to personnel or damage to property could
result if the Lectra/San or Purasan is activated with
antifreeze in the system.
Improper winter lay up is a major cause of marine
toilet failures.
1. Close the intake and discharge seacock. Disconnect
and drain the intake and discharge hoses. Winterize
seacocks and hoses.
2. You will need two buckets, three feet of 3/4” (19mm)
hose, three feet of 1 1/2” (38mm) hose and a quart
(.95 liter) of non-toxic antifreeze.
NOTE: Use only non-toxic antifreeze in this unit.
3. Pour about one quart (.95 liter) of non-toxic antifreeze
into one of the buckets. Place intake hose in this
bucket. Place empty bucket under discharge hose.
To ensure antifreeze has circulation through the entire
toilet, flush until antifreeze is discharged.
4. Antifreeze should remain in the toilet until
recommissioning. This will protect both intake and
discharge sides of the pump. Pouring antifreeze into
the bowl will only protect the discharge side of the
pump, allowing the intake side to possibly freeze.
NOTE: Holding tanks, seacocks and treatment
systems need to be independently winterized,
stored and recommissioned (see manufacturer’s
instructions).
RECOMMISSIONING
1. Using the buckets, hoses and a gallon of clean water,
flush the antifreeze out of the toilet. Dispose of
antifreeze properly, in accordance with local and
federal regulations.
2. Reconnect the hoses and open both seacocks.
3. Check all connections for leaks with several test
flushes.
SYSTEM COMPONENTS
Before starting installation please be sure that all parts
that were ordered with your model have been included:
The complete Crown Head unit includes: bowl, seat and
cover, motor assembly, shroud assembly, siphon and check
valve assembly, Concentrate tank, 2 oz. (59ml) of C.P.,
two mounting strips and an owner’s manual.
Crown Head units purchased for use with 120/240 volt
AC power will also include a rectified transformer unit
(#RTCH24DA), with instructions.
INSTALLATION
Read This Entire Section Before Beginning Installation.
Below water line installations must include vented
loops. The top of the loop must be above the waterline
at maximum heel to prevent siphoning. (See FIG 3.)
Additional parts required:
Stainless steel fasteners,
Momentary Flush Switch (#PRS) and a continuous duty
solenoid (#CDS*) relay. 1 1/2” (38 mm) I.D. discharge
hose (#SFH) and a reinforced 3/4” (19mm) I.D. intake
hose, hose clamps, wire, fuse or circuit breaker (see Crown
Head Specification chart).
Mounting the Crown Head:
Be sure Crown Head is on
solid deck construction in a dry location.
Never mount
the Crown Head where it may be subject to shower
spray or other sources of external water.
Place the
supplied rubber mounting strips between the base plate
of the Crown Head and the deck, allowing air to circulate
under the motor to prevent moisture from accumulating.
Use stainless steel fasteners with a minimum size of 1/4”
(6 mm).
1. Intake Lines:
A 3/4” (19mm) thru-hull fitting and
seacock located in an accessible area is required to
supply flush water to the bowl. Connect a 3/4” (19
mm) I.D. reinforced suction hose between the seacock
and intake pump.
NOTE: An intake In-Line strainer (#163000) is
recommended to help avoid the accumulation of debris
in the intake pump.
2.
Discharge Lines:
Connect quality sanitation rated
1 1/2” (38 mm) I.D. hose (#SFH) to the discharge
fitting on the toilet and connect to the treatment
system, holding tank, or discharge thru-hull fitting,
as appropriate.
TIP: To retain water in the bowl
install a vented loop
in the discharge line.
* Specify Voltage
Allow sufficient space at the side and rear to connect
hoses. If space is limited, the bowl can be rotated 90
degrees (a longer hose [#CH42] is required, contact
Raritan Technical Support).
L91 1022jlc
