Follow the instructions, cautions, and warnings supplied with the cleaning solution.
7. Turn on the power to the boiler and water heater.
8. Program the IBC control to its highest DHW temperature setting, and allow the boiler to heat
the water until the control is satisfied.
9. If the boiler control is not satisfied after 45 minutes of operation, program the IBC DHW
control setting to its lowest temperature.
10. Allow the heated solution to set in the tank for 30 minutes.
11. Drain the tank completely using fittings and hoses, as required, to reach a drain.
6.1.2 Refilling the tank
1. Fill the water heater tank with fresh, cold water and drain it completely.
2. To flush all of the cleaning solution from the tank, refill and drain at least three (3) times.
3. Reinstall the relief valve and the drain piping.
4. Open the cold water supply, and fill the tank with water.
5. Purge the air from the tank and the piping by opening the cold and hot water faucets in the
house.
6. Return the IBC DHW control setting to the temperature noted in Step 2.
30
Section: Maintenance
Summary of Contents for INTERSTAR IWT Series
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