Intergas Heating Ltd 34
10 SETTING AND ADJUSTMENT
The functioning of the appliance is determined primarily by the (parameter) settings in the
boiler controller. Part of this can be set directly via the operating panel; another part can only
be adjusted using the installer code.
10.1 Directly via the operating panel
The following functions can be operated directly:
10.1.1 Appliance on/off
The appliance is started using the key.
When the appliance is in operation the green LED above the key will light up. When the
appliance is off a single dash lights up on the service display (
-
) to indicate that supply
voltage is present. In this mode the pressure in the CH installation (in bar) can also be read
on the main display.
10.1.2 DHW comfort
The ‘DHW comfort function’ can be operated with the DHW comfort key and has the
following settings:
•
On: ( LED on) The appliance’s DHW comfort function is switched on continuously.
In this mode the heat exchanger will be kept on temperature to assure instant delivery of
hot water.
•
Eco: ( LED on) The standard setting of the appliance’s DHW comfort function is self-
learning. The appliance will adapt to the pattern of use of hot tap water. As a result, the
temperature of the heat exchanger will not be maintained during the night or in the case of
long absence.
The number of Eco days can be set with parameter o. See also chapter 10.3
It is also possible to control the keep hot facility by using a mechanical switch of by the
Open Therm room thermostat. See chapter 10.4
•
Off: (Both LEDs off) The temperature of the heat exchanger is not maintained, as a result
of which the delivery of hot tap water takes a little time. If there is no need for hot tap water
or its immediate delivery, the DHW comfort function can be switched off.
10.1.3 Resetting
When a lock-out is indicated by means of a flashing LED above the key and a code on the
main display, the appliance can be restarted by pressing the key. Check the nature of the
fault on the basis of the fault codes in § 11.1 and resolve the cause of the fault if possible
before resetting the appliance.
10.1.4 Changing the settings of the various functions:
Holding the key pressed in for 2 seconds takes you to the user settings menu(LED at
and the figure display start to flash). Pressing the key repeatedly results in a different
function LED flashing each time. When the LED is flashing the indicated function can be set
with the and key . The value set is shown on the display.
The on/off key closes the settings menu without storing the changes.
The reset key closes the settings menu and the changes are stored.
If no key is pressed during a period of 30 seconds, the settings menu is closed automatically
and the changes are stored.
10.1.5 Maximum CH supply temperature
Press the key until the LED at starts to flash.
With the and key s set the temperature between 30°C and 90°C (default value 80°C).
10.1.6 DHW temperature
Press the key until the LED at starts to flash.
With the and keys set the temperature between 40°C and 65°C (default value 55°C).
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