Installation Menu; Lock Function; System Choice; System 1 - Immergas DOMESTIC SOL 750 V2 Instructions Pour L'installation Et L'utilisation

3.1 INSTALLATION MENU.

Press 5 seconds on the (OK) to enter in the
installation menu.
When you enter on the installation menu (the
first parameter "Syst" is displayed), you could
choose another parameter by pressing the na-
vigation key (OK).
Once the desired parameter displayed you can
change the value with the keys (

3.1.1 Lock function.

To prevent mistakes after installation, all critical
parameters (system and Extra function) are not
accessible any more after 4 hours power on. If
you want to modify these parameters, you must
unplug and plug in controller. No settings are
lost when unplugging, or after a power failure.
After 4 hours you can still change all the other
settings to optimize your system.
N.B.: Not all submenus, selections, or options
discussed in this manual are available on all
systems. Depictions of menus and submenus
shown here are representative of their actual
appearance on the control when the same
series of settings as is described is followed.

3.2 SYSTEM CHOICE.

"SySt" parameter (Default value "1").

3.2.1 System 1.

With this system you can add extra functions
with 1 or 2 sensors T3 (NTC) or T4 (PT1000)
(Thermostat, Cooling, Antistagnation or Dif-
fcontrol function).
▶ ◀
+) or (- ).
P1
The loading of the tank1 is authorized if the tem-
perature difference "dt" between the collector
(T1) and the tank1 (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, Cooling, Antistagnation).
P1
P2
The loading of the tanks is authorized if the
temperature difference "dt" between the col-
lector (T1) and the tanks (T2, T3) is sufficient.
The valve direction is done the tank which mus
be loaded.
27
T1
T2
T1
T3
T2