SolaSmart™ Plus Installation Guide
Version 1.1 – Mar 2012
Page 22
D
ISPLAY AND
D
IAGNOSTICS
Introduction
The display is accessed by taking the top cover off the unit.
Care must be
taken in these conditions as there are dangerous voltages present
around the high voltage section of the PCB. There should be a plastic
sheath fitted around this area under normal conditions.
The Display is normally a scrolling display of six screens. Every 5 seconds
the display scrolls to the next screen.
To force the screen to advance, press the hour button.
To hold the current screen, press and hold the min button.
Screen 1:
Roof
Temperature
The dot next to the “ROOF” will be lit up when the Roof Temperature is on
the display.
If the sensor is faulty, “Opn” or “Shrt” will be displayed depending on the fault
condition.
Screen 2:
Tank (Upper
Tank)
Temperature
The dot next to the “TANK” will be lit up when the Upper Tank Temperature
is on the display.
If the sensor is faulty, “Opn” or “Shrt” will be displayed depending on the fault
condition.
Screen 3: Inlet
(Lower Tank)
Temperature
The dot next to the “INLET” will be lit up when the Inlet (Lower Tank)
Temperature is on the display.
If the sensor is faulty, “Opn” or “Shrt” will be displayed depending on the fault
condition.
Note:
To see screens 4-6, press the hour button. This will activate advanced
diagnostics mode for 10 minutes, after which time it will revert to the
temperatures only.
Screen 4:
PWM Duty
Cycle %
Shows the speed of your variable speed pump (0 to 100%). Only applies
when using a PWM pump.
Screen 5:
Time
Time is shown in HH:MM format.
Continued on next page