Intergas Heating Ltd 34
8. 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.
8.1 Directly via the operating panel
The following functions can be operated directly:
8.1.1 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.
8.1.2 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 8.3
It is also possible to control the keep hot facility by using a mechanical switch of
by the Open Therm room thermostat. See chapter 8.3.1
• 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.
8.1.3 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.
8.1.4 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.
8.1.5 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).
8.1.6 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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