ROTEX Heating Systems GmbH
38
7.2
Parameter settings via the service code
The parameters of the burner relay have been configured in the factory in accordance with the
following table.
These parameters can only be changed with the service code. Take the following actions to
activate the program memory:
1.
Press the and the button simultaneously, until a
0
appears on the service display and a
0
on the temperature display.
2.
Use the button to enter
15
(service code) on the temperature display.
3.
Use the button to set the parameter you wish to configure, on the service display.
4.
Use the and button to set the parameter to the required value (visible) on the temperature display.
5.
After all the required changes have been entered, press the button until
P
appears on the service display.
The burner relay has now been reprogrammed.
Note
Pressing the button will take you out of the menu without saving the parameter changes.
Example: Changing boiler from combi to 'hot domestic water only'
1.
Press the and the button simultaneously.
2.
Use the button to go to
15
.
3.
Press the button 1 x. A 0 and a 1 will appear on the display.
4.
Use the button to change the 0 to 2.
5.
Press the button until
P
appears.
6.
The change has now been implemented. The unit will only respond to a hot water request.
Para-
RKOMB*AAV1
meter Setting
22
28
33
Description
0
Service code [15]
-
-
-
Access to installers settings, the service code must be entered
(=15)
1
Installation type
0
0
0
0= combi
1= heating and domestic hot water via external storage tank
2= domestic hot water only
3 = heating only
2
CH pump continuous
0
0
0
0= Post running pump only
1= Pump continuously active
2-3-5= not active
3
Set maximum CH power
70
70
70
Setting reach set value parameter c up to 85%
3.
Max. capacity modulating CH pump
80
80
80
Setting range value parameter c. up to 100%
4
Set maximum hot water power
99
99
99
Setting reach set value parameter d up to 100% (=99 + 1x )
5
Min. leaving water temperature of the fuel
line
25
25
25
Setting reach 10°C to set value parameter 5
5.
Max setting value leaving water
temperature via operating panel
90
90
90
Setting reach 30°C to 90°C
6
Min. outdoor temperature of the fuel line
-7
-7
-7
Setting reach -9 to 10°C
7
Max. outdoor temperature of the fuel line
25
25
25
Setting reach 15°C to 30°C
8
CH pump post-running time after CH
operation
1
1
1
Setting reach 0 to 15 minutes
9
CH pump post-running time after boiler
operation
1
1
1
Setting reach 0 to 15 minutes
(n/a for Combi unit)
A
Setting three-way valve or shut-off valve
MIT
0
0
0
0= powered during CH operation
1= powered during hot water operation and rest
2= three-way valve in CH setting if device not in rest
3= zone regulation
4= External DHW tank pump
5= Powered during CH demand and rest
6= Powered during hot water operation
b
Booster
1
1
0
0= off
1= on
C
Step-by-step modulation
1
1
1
0= step-by-step modulation off during CH operation
1= step-by-step modulation on during CH operation
2= Power control by Open Therm room thermostat enabled
