CleaverBrooks WB, Руководство по эксплуатации и техническому обслуживанию владельца

Страница: 22 / 36

Pre-Start Preparation
3-4 750-136
Model WB Electric Boiler Manual
3.3 — Boiler Water Treatment
Water treatment is required for satisfactory operation of a boiler to prevent depositing of scale and to prevent cor-
rosion from acids, oxygen, and other harmful elements that may be in the water supply. Contact your Cleaver-
Brooks local representative for more information on a water treatment program.
Objectives of boiler water conditioning include:
•
Prevent the accumulation of scale and deposits in both the boiler and heating system.
•
Remove dissolved gases from the water.
•
Protect the boiler and system against corrosion.
•
Maintain the highest possible heating system efficiency.
•
Decrease the amount of boiler downtime for cleaning.
For optimum performance, the following water quality parameters should be maintained:
These recommended guidelines do not include all dissolved minerals. For more information about maintaining
water quality, contact your Cleaver-Brooks local representative.
The purchaser should be sure that the boiler is not operated for long periods for approval tests, temporary heat,
or any other operations without water treatment. It also should be noted that water boilers will need chemical
treatment for the first filling of water and additional periodic chemical treatment.
Water treatment may vary from season to season or over a period of time; therefore, there should be a require-
ment that the water treatment procedure be checked no less than four times a year, and possibly more fre-
quently, as the local water conditions may require.
pH: 8.3 - 9.5
Iron: 0.1 ppm maximum
Alkalinity: <300 ppm maximum
Chlorides: 30 mg/liter maximum
Oxygen: 0.1 mg/liter maximum
Specific Conductivity: 3500 m mho/cm
Total Hardness <3 ppm maximum