Daikin ROTEX GW-20 H12, Installation Instructions Manual

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38
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 button and a
number on the display, the unit can be restarted by pressing the reset button.
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.
7.3 Parameters
Para- RHOB**AAV1 H
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= RHOB**AAV1 + DHW 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 – 5 = not active
3 Set maximum CH power 99 85 99 Setting reach set value parameter c up to 100% (RHOH12AAV1
H, RHOBG42AAV1 H) and 85 % (RHOB18AAV1 H)
(100 =99 + 1x )
3. Max. capacity modulating CH pump 80 80 80 Setting range value parameter c. up to 100%
4 Set maximum hot water power 99 85 75 Setting reach value parameter d up to 100% (RHOH12AAV1 H,
RHOBG42AAV1 H) and 85% (RHOB18AAV1 H)
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 -30 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 and higher = Not applicable