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S=Siphon hose-used to;
(A) Winterize water system
(B) Sanitize water line system only
P=Pump-12 volt DC.-To supply coach
with water when city water is not
available.
F=Filter-Cap to be removed for clean
out or replacement.
G=Gravity water fill —to fill tank.
C=City water fill. —to fill lines.
V1= Valve to be open to draw water
from supply tank, Closed when siphon
hose is used.
V2=Valve to be opened ONLY when
using siphon as listed above.
T=Tank to hold water supply.
12-Volt Demand Pump
When water is desired and you are not hooked up to city water, your
tank will be your supply. On your monitor panel is a switch to turn
on the 12-volt demand pump. Energy for the pump is supplied by
the auxiliary battery or converter. The pump will self-prime when
started, supply water, and continue to run until approximately 40
pounds of pressure is achieved. When pressure drops to 20
pounds, pump will restart. Some cycling in pump may occur. A
check valve is built within the pump to prevent water from flowing
into the supply tank.
The pump has a small filter attached on the “ in port “ side to prevent
any foreign matter from entering the pump. You need to annually or
even more often, remove the lower cap and clean it out.
When pump is not in use, turn 12-volt power off at the switch.
Occasionally your water pump may start/stop quickly ( within a
second ). This is referred to as “cycling”. The cause for this annoying
noise may be a slightly open faucet, water saver washer in the end
of the faucet spout, plus other restrictive issues. If pump cycles
every 10 to 15 minutes, there may be a slight water leak
somewhere, check valve in city water fill, plumbing fittings, or
pressure valve in pump.
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