Parameter Settings Via The Service Code; Parameters - Rotex GW-20 H12 Instrucciones De Instalación

Resetting
Check the nature of the malfunction on the basis of the malfunction codes under par. 8.1 and if
possible, resolve the cause of the malfunction before resetting the unit.
If a locking malfunction is indicated by means of a flashing LED above the
number on the display, the unit can be restarted by pressing the reset
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
2. Use the button to enter
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
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
2. Use the button to go to
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
6. The change has now been implemented. The unit will only respond to a hot water request.
7.3

Parameters

Para-
meter Setting
0 Service code [15]
1 Installation type
2 CH pump continuous
3 Set maximum CH power
3. Max. capacity modulating CH pump
4 Set maximum hot water power
5 Min. leaving water temperature of the fuel
line
5. Max setting value leaving water temperature
via operating panel
6 Min. outdoor temperature of the fuel line
7 Max. outdoor temperature of the fuel line
8 CH pump post-running time after CH
operation
9 CH pump post-running time after boiler
operation
A Setting three-way valve or shut-off valve
MIT
0
button simultaneously, until a
15
(service code) on the temperature display.
button simultaneously.
15
.
P
appears.
RHOB**AAV1 H
12
-
1
0
99
80
99
25
90
-7
25
1
1
0
button and a
button.
appears on the service display and a
P
button until appears on the service display.
18 42 Description
- - Access to installers settings, the service code must be entered
(=15)
1 1 0= combi
1= RHOB**AAV1 + DHW tank
2= domestic hot water only
3 = heating only
0 0 0= Post running pump only
1= Pump continuously active
2 – 5 = not active
85 99 Setting reach set value parameter c up to 100% (RHOH12AAV1
H, RHOBG42AAV1 H) and 85 % (RHOB18AAV1 H)
(100 =99 + 1x )
80 80 Setting range value parameter c. up to 100%
85 75 Setting reach value parameter d up to 100% (RHOH12AAV1 H,
RHOBG42AAV1 H) and 85% (RHOB18AAV1 H)
25 25 Setting reach 10°C to set value parameter 5
90 90 Setting reach 30°C to 90°C
-7 -7 Setting reach -30 to 10°C
25 25 Setting reach 15°C to 30°C
1 1 Setting reach 0 to 15 minutes
1 1 Setting reach 0 to 15 minutes
(n/a for Combi unit)
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 and higher = Not applicable
0
on the temperature display.
38