Nucamp Cirrus 620 2021 Owner's Manual page 32

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32
Truck Campers • nucamprv.com
11. When the water is all drained out of the lines and all openings
are closed, turn off and disconnect the air hose.
12. Turn the handles to Winterize mode as shown in the on the
Nautilus Panel Instructions.
13. Turn the Alde Bypass valve in the Nautilus compartment to the
"Bypass" setting. This will keep antifreeze from getting into
the Alde boiler and Flow unit (if equipped). This is very
important! The Bypass valve must stay in bypass setting
until the camper is ready to de-winterize/sanitize/flush the
system. This is typically in the spring after there is no more risk
of freezing.
14. Connect a short piece of garden hose to the Winterize inlet
of the Nautilus Panel and place the other end into a non-
ethanol based approved RV antifreeze. A short hose (cut off)
will help the pump prime easier and sooner.
15. Press the pump switch to activate the water pump. The pump
will run till the system is pressurized and will kick on when
fixtures are opened. Note that the LED indicator light on the
panel will be lit if pump is powered.
16. With the system pressurized and one at a time, open each
water fixture until antifreeze appears, then close. Remember to
turn to both cold and hot so both lines are protected:
a. Sinks
b. Toilet (Flush)
c. Shower
d. Exterior shower
17. When all fixtures are protected, turn the water pump off and
disconnect the hose.
18. Pour one cup of the RV antifreeze into each sink and shower
drain to protect the traps.
19. Follow manufacturer instructions for winterizing the toilet.

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