Figure 7
. Control of circulation pump and electric heater. Hyst, Hyst 2, HeatSP and
DeltaSP parameters
SET button using and parameter adjustment:
1. Entering the
heater set point - HeatSP
– hold
SET
button for
2 sec
. and release. A
HeatSP
message has appear and the option to change it with the
Up
and
Down
buttons
.
Confirms with
SET.
2.
Setting the system parameters – hold SET
button
for 5 sec.
until a message appears
Enter in tune. SET
is used to confirm and move to the next parameter. Change with the
Up and Down
buttons.
3.
Setting all (secret and system) parameters– like above, but with SET pressed
when power is applied
After passing through all parameters, the main menu is activated again. This also
happens if no action is taken during the setting for 15 seconds
6. SYSTEM PARAMETERS
Parameters
Factory
setting
Allowable
value
Meaning
"DeltaSP"
5
1
100 °C
Auto Mode Pump set point (Figure 7)
"AlarmTb"
85
0
100 °C
Tb
alarm in automatic mode
"AlarmTo"
80
0
100 °C
To
alarm in automatic mode
"Hyst "
3
0
10 °C
Pump control hysteresis (Fig. 7)
“minTs”
40
-50
100 °C Minimum exchange temperature (see pump
control rules)
"HystTs "
1
0
10 °C
Hysteresis to “minTs”
"Hyst 2"
1
0
10 °C
Heater control Hysteresis
"HeatSP"
45
0
AlarmTb–
Hist2
Heater set point (independent of mode). The
range is automatically respected when
changing to
AlarmTb–Hist2
Document edition
2020-04-22
6
Delta
SP
Hyst
Hyst
Pump
Ts-To
Heat
SP
Hyst2 Hyst2
Heat
To
ON
OFF
ON
OFF
