Immergas VICTRIX EXA 28 1 ERP Instruction Booklet And Warning page 33

Selection of operating mode (Fig. 30). To see the current oper-
ation mode it is sufficient to press button (1) once.
To change operation mode press the button for between 2 to 10
seconds until the current configuration flashing, each time the
button is pressed all possible functions are scrolled cyclically.
After a few seconds without doing any operation the circulator
memorises the selected mode and goes back to operation display.
Attention: The circulator has various built-in operation modes,
however the constant curve operation mode must be selected
according to the following table.
Circulating pump LED
G Y Y Y Y
On On On O O
G Y Y Y Y
On On On On O
G Y Y Y Y
On On On On On
G Y Y Y Y
On On On O On
Constant curve: the circulator operates maintaining constant
speed.
Circulating pump LED
(first red LED)
R Y Y Y Y
On O O O On
R Y Y Y Y
On O O On O
R Y Y Y Y
On O On O O
Description
Do not use
Constant curve speed 2
Constant curve speed 3 (default
for Victrix EXA 28 1 ErP)
Constant curve speed 4 (default
for Victrix EXA 32 1 ErP)
Description
Circulator pump blocked
Abnormal situation (the circulator
continues operating).
low power supply voltage
Electrical fault
(Circulator pump blocked)
Selection button lock. The button has a feature that locks its
operation to prevent accidental modifications, to lock the control
panel it is necessary to press button (1) longer than 10 seconds
(during which the current configuration flashes), the active lock
is signalled by all LEDs of the control panel flashing. To unlock
the button press again longer than 10 seconds.
Real time diagnostics: in the event of malfunction the LEDs
provide information on the circulator operation status, see table
(Fig. 31).
Key:
1 - Function selection button
2 - Green (G) / red (R) LED
3 - 4 yellow LEDs (Y)
Diagnostics
The circulator pump cannot restart
automatically due to an anomaly
Voltage off range
The circulator is locked due to
power supply too low or serious
malfunction
Remedy
Wait for the circulator to make auto-
matic release attempts or manually
release the motor shaft acting on the
screw in the centre of the head.
If the anomaly persists replace the
circulator.
Check power supply.
Check the power supply, if the anoma-
ly persists replace the circulator.
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