7
ò Push selection key once to enter the advanced (Par or *Men) mode. Once in selected
mode, press one more time to select the parameter in that mode. Selected parameter
blinks allowing the user to modify it. You can modify the selected parameter while the
middle window blinks by pressing the ï or ð key.
ñ Push selection key once to accept selection (blinking stops showing the new set-point
steady) or go back to the previous selection.
(*) USDT 2004B does not support “Men” mode operation.
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 250 Displays a fixed reference temperature of 250 oF.
XX xxx Collector power in [kW] – amount of energy collector is producing
YY xxx Energy collected in [MWh]
ZZ xxx Energy collected in [kWh]
GAL 60 Flow rate [gallon/h] – a fixed rate of 1.0 gpm ex factory
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.
For Programming - 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.