Intergas 18 OV Operating Instructions - page 3
3
2.1
Operating mode on the service
display:
—
Off (appliance frost protection active)
3
Ventilate
Wait mode
4
Ignite
0
CH pump post run
5
CH mode
1
Desired temperature reached
6
DHW mode
2
Self test
7
Heat up appliance on (
not applicable for Compact HRE OV
)
Note
When the red LED above the reset key flashes a fault has occurred. A fault code will then appear on the temperature/clock display.
2.2
Changing the settings of the various functions
Keeping the
key pressed for 2 seconds takes you to the user settings menu (LED at
and the
display starts to flash).
Then each time you press the key a different function LED will start to flash. The value of the function can be set using the
and keys. The value set is displayed on the display.
•
The reset key closes the settings menu and stores the changes.
•
If no key is pressed for 30 seconds, the settings menu is automatically closed and the changes are stored.
•
The on/off key closes the settings menu without storing the changes.
•
The
button restores the default setting for the switch moments (hold for 5 seconds).
•
By pressing the or keys the clock can be set and the switch moments can be defined.
•
By pressing the
button 2 time blocks can be programmed in which the CH is on (switch moments 1 to 4).
•
By pressing the button the new times will be stored in the boiler controller. In the display appears [P] for a short period.
•
Pressing the
button for less than 1 second the following additional functions can be activated:
1.
t-on (temporary on), the boiler will respond on every CH demand from the room thermostat until the next switch moment.
2.
c-on (continuous on), the boiler will respond on every CH demand from the room thermostat without any time limit.
3.
OFF, the boiler will not respond on any CH demand from the room thermostat.
The maximum CH supply temperature
.
Can be set between 30°C and 90°C (standard setting 80°C).
Low setting for moderately cold weather, high setting for colder weather.
DHW temperature.
The temperature in the DHW storage cylinder can be set, if it is connected to an external sensor,
between 40°C and 65°C (standard setting 60°C). To prevent the growth of legionella it is advised not to set the DHW
temperature below 60°C.
All other alterations of settings of the boiler may only be carried out by your installer.
3
START-UP
Once the appliance has been connected to water, gas and electricity supplies and
checked by an authorised installer, the appliance can be started.
Please check the following points:
•
The heating system feed tank and system must be filled and bled with the manual bleed screws on the radiators.
•
The appliance must be switched off (Horizontal dash on service
display, other LEDs off).
•
Never switch the appliance on if the appliance, the CH system and heating system feed tank have not been completely
filled and bled.
•
The room thermostat must be set below the temperature in the room.
•
The gas tap must be open.
•
Switch the appliance on with the on/off key in the display (The LED lights up, and the service
display goes out).
•
Set the clock and the switch moments. If the boiler is in a time block that CH is not active the boiler must be set in c-on (see §2.2).
•
Set the room thermostat higher than the actual room temperature. The appliance will fire for purposes of the CH system.
4
FAULTS
If the following simple appliance faults occur, they can be resolved as follows. In the case of repeated occurrence or other faults
always notify your installer.
1.
The CH system does not heat up or does not become sufficiently warm:
•
Increase the temperature setting at the room thermostat.
•
Open the radiator valves.
•
Increase the CH water temperature setting using the and the and key on the operating panel (see §2).
•
Bleed the appliance and installation and check the CH water pressure.
2.
The domestic hot water supply does not become hot or hot enough (only when an indirectly heated DHW cylinder
is applied):
•
Open the domestic hot water tap further.
•
Set the domestic hot water temperature higher using the and the and key on the operating panel (see §2).