Winterization
The MCP44 cooler is durable enough to be left installed during the winter, though a few precautions must be
taken to ensure no water freezes in the unit or lines.
If the temperatures in your area drop well below freezing it may be wise to remove the water supply line from
the outside faucet.
Draining
MCP44:
1. Turn the water supply to the cooler off.
2. Turn off and unplug cooler. Remove 4 screws securing the back media guard and access interior of unit.
3. Soak up any remaining water and ensure all water is drained from both the water pump and the purge
pump.
4. Disconnect and drain the water hoses and water distributor.
MCP44 (with optional owner-installed purge pump):
1. Turn off the water supply to the cooler.
2. Turn off and unplug cooler.
3. Remove four screws securing the back media guard and access the interior of the unit.
4. Soak up any remaining water and ensure all water is drained from both the water pump and the purge
pump.
5. Disconnect and drain the water hoses and water distributor.
6. Replace the media guard.
Covering
1. Cover the external portion of the cooler with a heavy bag and secure with straps of heavy tape.
Or purchase a fitted MasterCool® MCP44 exterior cooler cover, P/N MCP44-EC, available on line at
www.championcooler.com or at retail outlets.
2. An optional interior grille cover, P/N MCP44-IC to keep air from entering the home through the window is
available at Championcooler.com or at a retail outlet.
a. Use the snap on clips molded into the cover to secure the cover to the grille.
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