Mandalay 38A 2004 Owner's Manual
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Contents
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WATER PUMPThe self contained water system is a demand only system. This means the system must be pressurized. Aself-priming 12volt DC pump is provided to handle this function. This means that the water pump will runwhenever there is a need for water. If the pump runs when all faucets are closed, there may be a leak in thesystem. If this happens turn the pump off, and have the systems checked by a qualified service center.When initially starting up the self contained water system, follow this procedure:1. Make sure the tank is filled with water2. Open all the faucets in the RV, both hot and cold.3. Place the pump control switch to the ON position.4. Allow time for the hot water tank to fill. Shut off each faucet as the flow becomes steady and free of air.When the last faucet is shut off, the pump should also shut off5. The system is now ready for use.NOTE: When filling the system, you may want to add additional water to the tank to replace the water usedwhen filling the hot water tank and water lines.When traveling, you may want to drain the tank, or keep the quantity of water to a minimum. This reduces thetotal weight of the RV for travel. Make sure when draining the tank, that the water pump has been turned off.The fresh water tank valve is located in the rally kit area in the bottom by the fresh water tank. Water in the tankcan be drained by turning the drain cock to the open position. When trying to drain entire onboard fresh watersystem, make sure to open faucets, water heater drain, and system low point drains to remove all fresh waterfrom the system. When systems is finished draining, be sure to close all drains before filling again.SANITIZING THE FRESH WATER SYSTEMSanitize the system before initial use, after extended periods of non-use, at least once a year duringcontinuous use, and whenever there is suspicion that the system has been contaminated.To sanitize the system, use the following procedure:1. Prepare a chlorine solution using a gallon of water and ¼ cup of liquid household bleach (5 % sodiumhypo chlorinate solution). Use 1 gallon of solution for each 15 gallons of tank capacity.2. With tank empty, and all faucets and drains closed, pour the solution into the fresh water tank.3. Complete filling the tank with water.4. Switch on the water pump. Open all faucets one at a time until all air is purged, and the water flowsfreely.5. Again add water to the tank until it is full.6. Allow the system to stand undisturbed for a few hours (at least three).7. Drain the system by opening all faucets, and the fresh water tank drain valve, while flushing thesystem with water of drinking quality.8. Continue flushing the system, allowing the water to flow for several minutes.9. Close the tank valve and faucets. Refill the system with water of known drinking quality.NOTE: A slight chlorine taste may linger. If this is objectionable, mix a solution of 1 quart vinegar to 5 gallons ofwater and add to the tank. Let stand for 3 hours and then flush the system again.9-2 Mandalay |
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