Immergas 3.022648 Instructions For Installation And Use Manual page 27

3.1 INSTALLATION MENU.
Press the (OK) key for 5 seconds to access the instal-
lation menu.
When you access the installation menu (the first param-
eter "Syst" is displayed), it is possible to select another
parameter by pressing the (OK) navigation key.
Once the desired parameter is displayed, it is possible to
change the value using the keys (
3.1.1 Lock function.
To prevent errors after installation, all the critical param-
eters (system and Extra function) cannot be accessed
when over 4 hours have elapsed after start-up. If you wish
to edit them, disconnect and reconnect the controller. No
settings are lost during disconnection or after a blackout.
After 4 hours it is possible to change all the other settings
to optimise the system.
N.B.: Not all submenus, selections, or options dis-
cussed in this manual are available on all systems.
Depictions of menus and submenus shown here are
representative of their actual appearance on the con-
trol panel and the same series of settings is described
as follows.
▶ ◀
+) or (- ).
27
3.2 SYSTEM SELECTION.
"SySt" parameter (Default value "1").
3.2.1 System 1.
Base system with 1 tank, 1 pump, 1 collector array and
2 sensors. With this system, you can add extra func-
tions with 1 or 2 sensors T3 (NTC) or T4 (PT1000)
Thermostat, Cooling, Antistagnation or Diff control
function).
T1
P1
Tank 1 can be loaded if the temperature difference "dt"
between collector (T1) and tank 1 (T2) is sufficient.
3.2.2 System 2.
System with 2 tanks, 1 pump, 1 valve, 1 collectors array
and 3 sensors. With this system you can add an extra
function with 1 sensor T4 (PT1000) (Thermostat, Cool-
ing, Antistagnation).
T1
P1
P2
The loading of the tank is authorised if the temperature
difference "dt" between the collector (T1) and tanks
(T2,T3) is sufficient. The valve direction is done by the
tank which must be loaded.
T2
T3
T2