Circulation Pump - Immergas VICTRIX EXA 24 X 1 ErP Instruction And Recommendation Booklet

1.24 CIRCULATION PUMP.

e boiler is supplied with circulator tted with
speed regulator.
ese settings are suitable for most systems.
In fact, the pump is equipped with electronic
control to set advanced functions. For proper op-
eration one must select the most suitable type of
operation for the system and select a speed in the
available range, with a focus on energy savings.
By-pass Regulation (part. 29 Fig. 1-30).
boiler is supplied with by-pass closed by 1.5 turns
with respect to all open.
If necessary, the by-pass can be regulated to
system requirements from minimum (by-pass
closed) to maximum (by-pass open). Adjust
using a at head screwdriver, turn clockwise to
close the by-pass; turn anti-clockwise to open it.
Display of operation status. During normal
operation, the status LED (2) is on green ( ashing
(FL) when it is in stand-by), the four yellow LEDs
(3) indicate circulator absorption according to
the following table:
Circulating pump LED Absorption
G Y Y Y Y
Circulator in
stand-by
FL O O O O
G Y Y Y Y
0 ÷ 25 %
On On O O O
G Y Y Y Y
25 ÷ 50 %
On On On O O
G Y Y Y Y
50 ÷ 75 %
On On On On O
G Y Y Y Y
75 ÷ 100 %
On On On On On
Circulating pump LED
( rst red LED)
R Y Y Y Y
Circulator pump blocked
On O O O On
R Y Y Y Y
Abnormal situation (the circulator
continues operating).
low power supply voltage
On O O On O
R Y Y Y Y
Electrical fault
(Circulator pump blocked)
On O On O O
e
Selection of operating mode. To see the current
operation mode it is su cient to press button
(1) once.
To change operation mode press the button
for between 2 to 10 seconds until the current
con guration ashing, each time the button is
pressed all possible functions are scrolled cycli-
cally. A er a few seconds without doing any
operation the circulator memorises the selected
mode and goes back to operation display.
Attention:
e 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
Description
The circulator pump cannot restart
automatically due to an anomaly
Voltage o range
e circulator is locked due to power
supply too low or serious malfunction
18
Key:
1 - Function selection button
2 - Green (G) / red (R) LED
3 - 4 yellow LEDs (Y)
Constant curve: the circulator operates maintain-
ing constant speed.
Selection button lock.
that locks its operation to prevent accidental
modi cations. To lock the control panel, it is
necessary to press button (1) for more than 10
seconds (during which the current con guration
ashes), the active lock is signalled by all LEDs of
the control panel ashing. To unlock the button
press again longer than 10 seconds.
Real time diagnostics: in the event of mal-
function the LEDs provide information on the
circulator operation status, see table (Fig. 1-28):
Description
Do not use
Constant curve
speed 2
Constant curve
speed 3 (default
for Victrix EXA
24 X 1 ErP)
Constant curve
speed 4
Diagnostics
Wait for the circulator to make auto-
matic release attempts or manually
release the motor sha 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 anomaly
persists replace the circulator.
1-27
e button has a feature
Remedy
1-28