12
If the indicator lights turn on, the thermostat will automatically
control the temperature. When water temperature inside the heater
has reached the set point, water heater will switch off
automatically. When water temperature falls below the set point,
water heater will be turned on automatically to restore the heating.
Operating the Water Heater
A.
ES 10D, ES 15D, & ES 30D
Rotate the knob according to the marking on the knob to
increase or decrease the setting temperature.
The Red “Power” LED and Green “Heating” LED remain ON while
there is power to the system.
The Green LED will turns off when the water temperature
reaches the user setting at the end of the heating phase
Picture 11
Picture 4
Picture 10
Testing Button
Reset Button
Indicator Light
Power Plug
Summary of Contents for Casella Series
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