so that the installer can verify the accuracy of the wirings
performed.
DISPLAYING TEMPERATURES AND ENERGY PRODUCED
The alphanumeric display of the power unit will normally
show the temperature detected by the probes connected
as well as the quantity of energy produced. The energy will
be expressed in K9h + M9h. The counting of K9h when
reaching 1 K9h will be set to zero and the M9h counter
will increase by 1. The addition of the two counters will give
the total energy produced (i.e. 15 K9h + 12 M9h 12.15
M9h). Press ‘ S ‘ or ‘ T ‘ to cyclically select the probe of
which you need to see both the temperature and the quantity
of energy produced:
Î COL Î S_2 Î S_3 Î S_4 Î K9h Î M9h Î
DISPLAYING SUN / ANTI-FREEZE
&uring normal operation the ‘SUN’ icon will be always lit on
the display. 9hen the power unit detects a condition which
forces the manifold pump to get started the ‘SUN’ icon will
be ƀashing.
9hen the Anti-freeze function is activated both ‘SUN’
and ‘SNO9’ icons will be lit; when the power unit detects
a temperature which forces the anti-freeze function to get
started the ‘SNO9’ icon will also be ƀashing.
DISPLAY OF COLLECTOR PUMP SPEED
WARNING!
Visualization of this parameter is available only for
version with variable collector pump speed.
If the ‘ S ‘ or ‘ T ‘ keys are pressed during normal operation
the central unit will not only show the temperature as read
by the connected probes but it will also display the solar
collector pump speed as a percentage.
As regards the FS2 parameter the power unit will show
this parameter set at if the OUT2 outlet is not connected.
Alternatively if the selected installation diagram does not
require installation of a collector pump at outlet OUT2 this
parameter will only be displayed with the values (outlet
N..) or 1 (outlet N.C.) i.e. it will work as an ON /OFF
type outlet.
AUTOMATIC / MANUAL / ABC (Automatic Boiler Control)
OPERATION
The control unit can manage the installation selected in 3
different modes:
- AUTOMATIC: in this mode the control unit automatically
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