water systems —
13
2 0 0 8 K n I G h t
NOTE
Before storing the motorhome, the toilet
must be flushed repeatedly to remove
any solids that may have built up.
NOTE
If the motorhome is in storage for six
months it is a good idea to spray silicone
on the toilet valve and work it back
and forth. Perform this maintenance
monthly (silicone will evaporate in about
30 days).
Winterization
The toilet must be winterized to avoid freeze
damage. Follow the winterization in Section 6.
With the Tecma toilet it is recommended to flush
toilet until antifreeze is seen in the bowl. Flush
an additional 5 times with the antifreeze mixture
to ensure discharge line is winterized.
Drain Traps & Auto Vents
Sinks, shower and clothes washer (if equipped)
drains incorporate a water trap (P-Trap) and auto
vents to prevent waste water holding tank odor
from entering the motorhome.
Drain Traps:
P-Traps are usually within 54" of a vent tee
and must contain water to block odors. During
storage water can evaporate and allow odor into
motorhome. If odor is detected, run water into
sinks, shower and clothes washer (if equipped)
to fill P-traps.
AutoVents:
The auto vent is designed to assist in the
smooth flow of water in the drain without
creating a vacuum. If stuck in the open position
the auto vent can allow grey odors to enter the
motorhome. Some auto vents can double as
“clean outs” in the event the line needs to be
snaked out.
colD WeatHer conDItIonS
Extended use in below freezing (32° F/0° C)
weather will require operation of the furnace
to protect interior water lines, fixtures, water
storage tanks and pumps. Exposed drains
may freeze quickly. If in doubt about what
temperature the motorhome will tolerate,
winterize with potable antifreeze. Cold
temperature can adversely affect water systems
below the floor level because the furnace does
not provide heat to these components. A 12 Volt
bay heater and thermal snap disc are located in
the water service bay. The System Heat switch
on the monitor panel operates the bay heater and
should be turned on when ambient temperatures
approach 44º F (+/-6º F) and freezing
temperatures occur.
System Heat Operation:
1. Systems heat switch is
turned
ON
to apply power
to the snap disc thermostat.
2. When the bay temperature
reaches 40º F (+/-6º
F) the snap disc
thermostat closes.
The bay heater and
systems heat Active
light turns on. The
heater continues to
operate until bay
temperature reaches
55º F (=/-6º F). The
bay heater and Active indicator light
will turn
OFF
.
NOTE
The bay heater consumes about 20 Amps
when operating. House batter power can
be quickly consumed. It is recommended
to hook shore power when using Systems
Heat.
Cold Weather Storage
If the motorhome is stored where freezing
temperatures may occur, drain the domestic fresh
water loop. Begin draining the fresh water tank
by opening the low point drain for the fresh tank
and allowing the water to drain.
NOTE
Icemakers, water filters, water purifiers
and water heaters all use domestic water
and should be drained and stored in
accordance with the manufacturer’s
recommendation for winterization.
040437
030981d
070152
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