Domestic Hot Water; Domestic Hot Water Temperature; Solar Integration Priority; Boiler Integration Priority - Immergas COD. 3.022648 Instructions Pour L'installation Et L'utilisation

4.9

DOMESTIC HOT WATER.

System 5 and 7 adjustment D.H.W. application (Domestic
hot water).

4.9.1 Domestic Hot Water Temperature.

"DHW" parameter (Default value "45°C")
- Value of the domestic hot water temperature. (Adju-
stable 20 to 60°C with factory value 45°C).

4.9.2 Solar Integration priority.

"SIP" parameter (Default value "5°C").
(Adjustable 0 to 10°C, whith "0" value to desactivate
the features).
If the temperature T3 < (DHV-SIP) and if the P1 solar
pump is off for more than 5 minutes, the P3 contact will
be off. The contact remains on independently of the P1
Solar pump state.
If the temperature T3 < (DHV-SIP) and if the antifreeze
protection is running, independently on the P1 pump
state, the P3 contact will be off.
The activation of the P3 contact will happen only if the
temperature T3 > DHW and antifreeze protection is off.
(Only for sistem 7).

4.9.3 Boiler Integration priority.

"BIP" parameter (Default value "10°C").
- Lower level for water temperature inside the tank
to authorise the start up of the boiler because the
solar energy is not sufficient. When the tempe-
rature inside the tank is lower than DHW-BIP,
P3 is disabled, irrespective of solar charge (P1).
(Adjustable 0 to 20°C, whith "0" value to desactivate
the features).
The output P3 will be only switched ON when T3
becomes > DHW. (Only for sistem 7).

4.9.4 "P1" parameter disabling solar pump.

If the controller does not control the solar system you must
set the parameter to "Off ". (Available only with system 5)

4.10 SETTING OFF THE EXTRA FUNCTIONS.

4.10.1 Thermostat Function.

Available only if extra function "1" is selected in subme-
nu Extra.
Start:
"EXSt" parameter (Default value "55°C").
- Setting level to start the additional heat (P3) when the
water temperature on the top of tank (T3) decrease
under this setting level. (Adjustable 20 to 90°C with
factory value 55°C).
Hysteresis:
"EXHY" parameter (Default value "10°C").
- Value of the hysteresis to stop the additional heat (P3)
when the water temperature (T3) is more than start
temperature plus hysteresis value. (Adjustable 2 to 30°C
with factory value 10°C).
Legionellosis:
"LEGI" parameter (Default value "OFF").
- Number of day to active the legionellosis function. This
function is generally use when the tank is filled with
D.H.W., it consist to warm with the Extra output (P3)
the tank up to 65°C (T3) if the water inside the tank
wias not reach this level during the number of the days
adjusted. (Adjustable 1 to 7 days).

4.10.2 Cooling Function.

Available only if extra function "2" is selected on
submenu Extra.
Cooling start:
"EXSt" parameter (Default value "75°C").
- setting level to start cooling the tank1 (by activating
P3 output) to another heat storage for example when
the water temperature (T3) is above this setting level.
(Adjustable 20 to 90°C with factory value 75°C).
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