Meridian 441 SEDAN, Owner'S Manual

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Chapter 6: Plumbing 441 Sedan • Owner’s Manual
60
Freshwater System Winterization
1. Turn Off the water heater breaker on the 110-volt AC master panel.
2. Turn Off the freshwater pump breaker.
3. Remove the transom shower head from the hose and hang the hose over the side or into a large bucket (at least 10
gallon capacity).
4. Turn On the freshwater pump breaker.
5. When water stops coming out of the transom shower hose, turn Off the freshwater pump breaker, and reinstall the
transom shower head on the hose.
6. Remove all of the remaining water from the lines using the compressed air method and/or the gravity draining
method (described below).
7. Pour at least 2 gallons of RV antifreeze into the freshwater tank. Only use RV antifreeze in your freshwater sys-
tem. Never use engine antifreeze or any other products or chemicals in your freshwater system.
8. Turn On the freshwater pump breaker.
9. Turn on the transom shower until you see antifreeze coming out of the shower head.
10. Turn
Off the freshwater pump breaker.
To prep the freshwater system for use after storage:
1. Perform steps one through five above except, in step five do not turn off the freshwater pump breaker, and do not
reinstall the shower head.
2. Instead, a gallon at a time, add freshwater to the tank and pump it through the system.
3. Continue this process until the water flowing out of the shower hose is clear.
4. Reinstall the transom shower head on the hose, and fill the freshwater tank.
Compressed Air Water Removal Method
Using an air compressor with an air hose and nozzle:
1. Remove the water line from the outlet side of the freshwater
pump (opposite side from filter).
2. Open the faucet that is furthest away from the freshwater
pump.
3. Place the air nozzle against the end of the just removed water
line and blow air through the system.
4. When water stops coming out of the faucet, stop the air and
Close
the faucet.
5. One at a time, repeat this process on
all
faucets and showers.
6. Reinstall the water line to the outlet side of the freshwater
pump (opposite side from filter).
Gravity Draining Water Removal Method
1. Open all faucets and showers.
2. Remove the drain plug from the tee fitting on the freshwater tank connecting pipe.
3. When the water has stopped draining from the freshwater tanks and the water lines, replace the drain plug.
FRESHWATER SYSTEM DAMAGE HAZARD!
•
A faucet MUST be Open when compressed air is blown through the freshwater system.
•
NEVER blow compressed air through the water system when ALL of the faucets are Closed .
CAUTI ON !