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9.4 Operation During Energy Recovery
The 20 segment LED display is referred to as the power bar. The power bar shows live information about
changes in the amount of power being diverted to the load. When no export is available and therefore no
power is being diverted, such as at night, the power bar will not illuminate. Each LED represents a step
change of 5% of the heating load. For example, if 10 LEDs are illuminated, with a heating load of 3kW,
this would represent 1500 watts of diversion. i.e. 5% of 3000 watts = 150 watts x 10 = 1500 watts.
The illustration below demonstrates how the power bar would appear in the above example.
9.3 Using the Manual Boost Button
The manual boost button is designed to enable the user to provide supplementary power to the heating
load should it be required. To enable the manual boost, push the button once, an audible
‘
click
’
can be
heard and the LED will turn on indicating the manual boost has been started. At this point a 90 minute
timer will start counting down allowing enough time for the majority of hot water tanks to fully heat the
water. At the end of the timed period, the manual boost will automatically stop, the LED will turn off and
ERS will revert to normal operation. During the timed operation, with the LED illuminated, the timed period
can be manually stopped by pressing the button once. Take note that during manual boost operation ERS
will supply the load with 100% power irrespective of export levels. If no generation is occurring this will
result in importing energy during the timed period. During manual boost, the power bar will not illuminate.
The illustration below demonstrates how the manual boost button would appear in the above example.
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