Fabdec EXCELSIOR, Installation Manual

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Fitting the immersion heaters
The heating element is fitted with a control thermostat which allows the water temperature to be set and a thermal cut-out
for safety (see Figure 9). The unit is designed to screw into the 1 ! " boss fitted to the unit. An ‘O’ ring is supplied as the
seal and must be fitted against the flange of the element. Take care not to cross thread and DO NOT use any other
type of seal.
Replacement elements can be obtained through your authorised service agent.
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Immersion Heater (Excelsior Solar) "
Secondary circuit connections MUST be made to the cylinder in accordance with the recommended installation diagram. A
drain cock* should be fitted in the cold water inlet to facilitate draining of the cylinder. * Not supplied.
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IMPORTANT: ENSURE THAT THE IMMERSION HEATER THERMOSTAT IS SET TO A MAXIMUM OF 60°C.
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Figure 9. Immersion Heater Connections and Control Thermostat Settings
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Fitting the twin thermostat
Figure 10. Cylinder Thermostat & Thermal Cut-out Connections
(Refer to wiring diagrams for correct installations)