Maytag MWF4100AWS Operation And Maintenance Manual page 29

9. Fill the System with approximately 16 litres (4 US gallons) of –50
10. Unplug the outlet line on the System side to "open the outlet" by
11. Save all empty antifreeze containers for the spring.
12. If using a Stainless Steel Prefilter, replace the Stainless Steel Prefilter.
13. Replace the System Cap using the Cap Wrench.
14. Check the drain plug and the outlet plug are closed snug. Make sure there
Note: The preservative will provide protection against freezing down to –40
long as the proportion of propylene glycol to water is correct. The amount and
concentration of the propylene glycol solution has been selected to take into
account water that is not easily drained from the System. This procedure does
not protect the rest of the house from freezing, it only provides necessary
precautions for the MAYTAG Whole Home Water Filtration System.
Never mix MAYTAG MC1 Cleaning Solution with chlorine bleach.
Spring 1. Drain the propylene glycol solution from the System by removing the
startup
and
cleansing
2. Dispose of the propylene glycol solution in accordance with the
3. Remove the drain plug from the drain valve.
4. Reconnect the drain and outlet lines. (Refer to Figures 2, 3 and 4 if
5. Open the inlet ball valve and fill the System. Air will escape through the
MAYTAG Whole Home Water Filtration System Owners Manual MA1-5
November 2003
Prefilter, clean and set aside the Stainless Steel Prefilter.
F) propylene glycol based plumbing antifreeze to 2" below the top of the
prefilter cavity.
removing the ¾" PVC plug. Remove approximately 4 litres (1 US gallon)
from the System into an empty propylene glycol based container. The
fluid in the System must be 2" above the bottom of the prefilter cavity.
Close the outlet line by replugging the outlet line with the ¾" PVC plug.
Discard the collected fluid in accordance with the manufacturers
directions and save the container.
are no leaks. The System is ready for the winter.
outlet line plug. Drain into the saved antifreeze containers.
manufacturers directions.
necessary.) Ensure the connections and the hose clamp on the drain hose
are snug. Ensure there are no kinks in the drain line.
air vent on the System cap.
o
C (-58
°
C as
29