7
Use selection keys ïð during normal system operation to display the desired parameter:
T1 xxx Collector temperature in oF
T2 xxx Tank temperature in oF
T3 xxx Reading of the third sensor; if the third sensor is not used it displays a fixed
reference temperature of 250 oF
XX xxx Collector power in [kW]
YY xxx Energy collected in [MWh]
ZZ xxx Energy collected in [kWh]
GAL xx Flow rate [gallon/h]
Operation Mode – Example: Following chart displays system temperatures
At the upper text line , the icon for the text is always displayed. Program symbol is displayed
during the setting of parameters at the lower text line. In addition, an arrow icon > is displayed
while pump is running.
Program Mode - Pressing the selection key ð several times allows you to enter into the
program mode (Par). Push selection key ò once to enter the program mode.
Basic Operation (Factory Setting for Only Two Sensors)
PROGRAM 0: (basic 2-sensor program)
Par Using the navigation key ^_ allows you to select the desired parameter while you are in
the program mode. Press the selection key ò once to select the parameter in the
window. Selected parameter blinks allowing you to modify it. You can modify the
selected parameter while the middle window blinks by pressing the ï or ð key. The
unit accepts the new value by pressing the ñ key once. To avoid unintentional set-point
changes, the user must enter the access code “32” to manipulate factory settings.