Parameter Settings Via The Service Code - Daikin Rotex GW-20 C22 Installation Instructions Manual

7.2

Parameter settings via the service code

The parameters of the boiler controller 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
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 boiler controller has now been reprogrammed.
Note
Pressing the button will take you out of the menu without saving the parameter changes.
Example: Changing from 'combi' to 'hot water only'
1. Press the and the button simultaneously.
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.
Para-
meter Setting
0 Service code [15]
1 Installation type
2 CH pump continuous
3 Set maximum CH power
3. Maximum 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
b Booster
C Step-by-step modulation
0
15
(service code) on the temperature display.
15
.
P
appears.
RKOMB*AAV1H
22 28
-
0
0
70 70
80 80
99 99
25 25
90 90
-7 -7
25 25
1
1
0
1
1
appears on the service display and a
P
button until appears on the service display.
33 Description
- - Access to installers settings, the service code must be entered
(=15)
0 0 0= combi
1= space heating + hot water by means of storage tank
2 = hot water only
3 = space heating only
0 0 0= post-running pump only
1= pump continuously active
2 – 5 = not active
70 Setting reach set value parameter c up to 85%
80 Setting reach set value parameter c. up to 100%
99 Setting reach set value parameter d up to 100% (=99 + 1x )
25 Setting reach 10°C to set value parameter 5
90 Setting reach 30°C to 90°C
-7 Setting reach -30 to 10°C
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 active
1 0 Not applicable
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
0
on the temperature display.
41