Water Pump Maintenance - ICI TOPPER Installation And Service Manual

6. Use fiber brush and carefully clean mineral deposit from all components.
7. Wash evaporator coil with a mild soap solution. Copper cleans well with mild solution
of citric acid (1 cup of citric acid for 2 gallons of water). Stainless steel cleans well with
carbonated water. Then rinse with clean water.
7. Rinse out water bath with clean water until water running out of siphon hose is clean.
9. Insert standpipe in drain hole
10. Fill water bath to top of standpipe.
11. Return refrigeration deck to flat position and replace cover.
12. Plug refrigeration unit power cord in electrical socket.

WATER PUMP MAINTENANCE

Warning: The water pump inlet strainer screen must be inspected and serviced at least
once a year under normal circumstances of after any disruptions (plumbing work,
earthquake, etc.), to the water supply systems that might cause clogged flow of water
through system. Water pump with no screen or a defective screen in the strainer would
allow foreign particles into water system and create a health hazard.
1. Unplug power cord from electrical socket.
2. Shut off plain water supply to water pump by closing shutoff valves in water supply line.
3. Shut off CO2 supply to TOPPER by closing shutoff valve on CO2 cylinder.
4. Remove cover from unit.
5. Lift up hinged condensing unit deck to gain access to water bath.
6. Pull up on carbonator tank relief valve to relieve CO2 pressure from tank.
7. Loosen screen retainer, then pull screen retainer and water strainer screen out of water
pump port.
8. Clean any sediment from screen retainer and water pump port.
9. Inspect water strainer screen for holes, restrictions, corrosion, and other damage. A water
strainer screen should always be used, other wise particles could damage pump and
foul the double check valve.
10. Check "O" ring on screen retainer. Replace worn or damage "O" ring.
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