12-22. OPERATION IN EXTREME HEAT.
To prevent damage to R.O. elements, keep elements out of high temperatures (100°F).
When the air temperature is 90°F. (32°C.) or above, position ROWPU in the shade and leave canvas cover
open and over the ROWPU. Leave control panel uncovered.
The motors will automatically shut off if they overheat.
Check water levels in raw water and product water tanks more often during hot weather.
Plant life in water will clog multimedia filter and, therefore, reduce time between backwash cycles
during hot weather.
Carefully inspect wire insulation for damage.
2-23. OPERATION IN DUSTY AND SANDY AREAS.
Protect equipment. Leave side covers down except over control panel.
Keep ground around ROWPU damp to prevent loose, blowing sand and dirt.
Cover all water storage tanks and chemical pails.
12-24. OPERATION IN RAINY AND DAMP AREAS.
To avoid electrical shorts, keep electrical items dry.
Protect equipment. Leave canvas cover down except over control panel.
Provide good water drainage.
Protect chemicals from humidity and rain. Make sure chemical packages, boxes and containers are tightly
12-25. OPERATION IN SALTWATER AREAS.
This procedure should be used to flush salt deposits and bacteria from the system and the R.O.
elements to slow corrosion and bacterial growth.
After saltwater operations, in addition to the following steps, perform extended shutdown procedures (para 2-