44
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 cup 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.
DO NOT leave tank unattended while filling, as an over filled tank will built
pressure, causing tank to crack, rupture, and leak or even damaging sup-
ports holding it in place.
CAUTION
!
Excessive pressure from water supply systems may be encountered in
some parks, especially in mountain regions. Water pressure regulators are
available to protect your system against such high pressure. A regulator at
45 pound rating is recommended to prevent damage to the plumbing sys-
tem or components.
CAUTION
!
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