12 Volt Dc Demand Pump; Sanitizing And Filling The Potable Water System - Jayco Conventional Travel Trailer Owner's Manual

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The fresh water tank can be filled by removing the gravity fill cap and inserting a garden
hose. Open faucet from water supply and fill tank. You must be careful not to over fill
tank. This can pressurize the tank, causing leakage and water damage.
CAUTION: DO NOT leave tank unattended while filling.

12 Volt DC Demand Pump

When water is desired and you are not hooked up to city water connection, you need to
turn on 12 volt DC power to start the demand pump. The switch is located on the
monitor panel or a wall near the pump. Energy for the pump is supplied by the auxiliary
battery or converter. The pump will self prime when started and provide water for your
travel trailer. The pump continues to run until approximately forty pounds of pressure is
achieved and automatically starts again when pressure drops to twenty pounds. Some
cycling in the pump may occur, depending on the volume of water being released. A check
valve is built inside of the pump to prevent water from flowing into supply tank.
Note: When the water pump is not being used, turn the 12 volt DC power off.

Sanitizing and Filling the Potable Water System

Potable water systems require periodic maintenance to deliver a consistent flow of fresh
water. Depending on use and the environment the system is subject to, sanitizing is
recommended prior to storing and before using the water system after a period of storage.
Systems with new components, or ones that have been subjected to contamination,
should also be disinfected as follows:
1. Use one of the following methods to determine the amount of common household
bleach needed to sanitize the tank.
• Multiply "gallons of tank capacity" by 0.13; the result is the ounces of bleach
needed to sanitize the tank.
• Multiply "liters of tank capacity" by 1.0; the result is the milliliters of bleach
needed to sanitize the tank.
2. Mix the proper amount of bleach into a container of water.
3. Pour the solution (water/bleach) into the tank and fill the tank with potable water.
4. Open all faucets (Hot and Cold) allowing the water to run until the distinct odor of
chlorine is detected.
5. The standard solution must have four (4) hours of contact time to disinfect com-
pletely. Doubling the solution concentration allows for contact time of one (1) hour.
6. When the contact time is completed, drain the tank. Refill with potable water and
purge the plumbing of all sanitizing solution.
NOTE: The sanitizing procedure outlined above is in conformance with the approved
procedures of RVIA ANSI A119.2 and the U.S. Public Health Service.
If there is a problem of excessive chlorine odor and taste after the sanitizing process,
follow the above procedures using a solution of baking soda (1/2 cup added to one gallon
of water per 15 gallons of tank capacity) or vinegar (one quart added to five gallons of
water per 15 gallons of tank capacity.)
Your demand water system is now ready for use.
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