WAT E R SYSTEMS - 6
CAY M A N 2 0 0 7
124
Drain Traps & Auto Vents
Sinks, shower and clothes washer 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 to ll P-traps.
AutoVents:
The auto vent is designed to assist in the
smooth ow 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
The motorhome is not designed for extended
use in below freezing (32°F/0°C) weather. There
are precautionary measures that can be taken
during extended cold weather use.
Interior water lines, xtures, and drains
above the oor are normally protected from
moderate freezing temperatures as long as
the furnace is operating. Cold temperatures
can adversely affect water systems below the
oor level because the LP-Gas furnace heat
does not provide heat to these components. A
supplemental 12 Volt bay heater is located in
the water service bay. The System Heat switch
on the hallway monitor panel operates the bay
heater and should be turned on when ambient
temperature approaches 44ºF (+/- 6ºF) and
freezing temperatures may occur.
System Heat
A 12 Volt bay heater
is located in the water
service bay. The bay
heater will prevent
waterlines from
freezing and should
be turned on when
ambient temperature
approaches 44ºF (+/- 6ºF) and freezing
temperatures may occur. The System Heat
switch on the hallway monitor panel operates
the bay heater.
NOTE:
A heat pad for the fresh water tank also
activates with system heat.
System Heat Operation:
1. Turn the Systems Heat switch on.
2. The bay heater will activate when
the bay temperature reaches 40ºF
(+/- 6ºF). The bay heater and the
systems heat active light will turn on.
The heater will continue to operate
until bay temperature reaches 55ºF
(+/- 6ºF). The bay heater and active
indicator light will then turn off.
NOTE:
The bay heater consumes about 20
Amps when operating. House battery
power can be quickly consumed. It is
recommended to hook to shore power
when using Systems Heat.
070152b
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