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
RHOB*AAV1
meter
Setting
12
18
42
Description
0
Service code
[15]
-
-
-
Access to installers settings, the service code must be entered
(=15)
1
Installation type
1
1
1
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= pump continuously active with external MIT switch
3= pump continuously active with ext. power saving switch
3
Set maximum CH power
99
85
99
Setting range 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
80
80
75
Setting reach set value parameter d up to 100% (=99 + 1x )
5
Min. flow temperature of the heat line
25
25
25
Setting reach 10°C to set value parameter 5
5.
Max setting value supply water
temperature via operating panel
-7
-7
-7
Setting reach 30°C to 90°C
6
Min.outdoor temperature of the heat line
-7
-7
-7
Setting reach -9 to 10°C
7
Max. outdoor temperature of the heat 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 heating
an external DHW tank
0
0
0
Setting reach 0 to 15 minutes
(n/a for Combi unit)
A
Setting three-way valve
0
0
0
0= powered during CH operation
1= powered during hot water operation
2= three-way valve in CH setting if device not in rest
3= zone regulation
b
Booster
0
0
0
0= off
1= on
C
Step modulation
1
1
1
0= step-by-step modulation off during CH operation
1= step-by-step modulation on during CH operation
c
Minimum rpm CH
30
30
20
Settings reach 20 – 50% (40%=propane)
c.
Minimum capacity modulating CH pump /
Activation external power saving switch
input
40
40
40
Setting range 0,15 – (value parameter c. )
0 = external power saving switch activated
Other values : Min. capacity modulating pump.
d
Minimum rpm hot water
30
30
20
Settings reach 20 – 50% (40%=propane)
