Culligan M1 Series Installation, Operation And Service Instructions page 40

Cleaner
0.1% (W) NaOH and pH 12,
35°C max. or 1% (W) Na
and pH 12, 35°C max.
Foulant
Inorganic Salts
(e.g. CaCO )
3
Sulfate Scales
(CaSO )
4
Metal Oxides
(Iron)
Inorganic Col-
loids (Silt)
Silica
Biofilms
Organic
Service the Filter and Tubing
1. Remove the sediment filter from the cartridge.
2. Install the bowl without the filter.
3. Connect the tubing from the solution bucket to the RO feed connection.
4. Install a wire jumper between the two connections labeled "PRESS SW" on the CP Plus board.
5. Disconnect the concentrate tubing from the membrane to the motor panel and direct the tubing to the drain.
Draw the Sanitizing Solution Through the Unit
1. Apply power to the unit, and then press the RUN NOW button.
2. Allow about half of the sanitizing solution to be drawn through the system.
CAUTION! If the unit vibrates severely, the pump may be cavitating. Turn the power switch OFF.
Raise the bucket to ensure adequate pressure to the pump.
3. Turn the unit power off.
4. Allow the unit to sit undisturbed for at least two hours.
NOTICE If the unit is going to be left unused for up to three months, allow the solution to remain in the unit.
If the unit will remain unused for longer than three months, sanitize the unit every three months.
Flush the Unit
1. Connect the inlet water supply.
2. Apply power to the unit, and then press the RUN NOW button.
3. Slowly close the recirculation and drain valves until the system operating pressure increases to normal pressure.
NOTE Increase the pressure no faster than 5 psi per second.
36 Culligan® M1 Series Reverse Osmosis
0.1% (W) NaOH and pH 12,
EDTA 35°C max. or 0.025% (W) Na-
4
DSS and pH 12, 35°C max.
Preferred
Alternative
Alternative
Alternative
Table 3. Cleaning solutions.
1.0% (W) Na
Preferred
Preferred
Preferred
Preferred
S O , 25°C and
2 2 4
pH 5
Preferred
Preferred
36 Cat. No. 01022940