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warmhaus.co.uk
4.4.2. Auto Calibration
Designation:
Ewa wall-hung boilers
Object
Type-model / Technical data
Mark (s) of conformity
Procedure Au-To Calibration
Ewa Combi Boiler
granted by Warmhaus R&D
Pos No Operation
Description GB
0
Attention:
This procedure must be applied by authorised persons and valid for only condensing boiler.
Attention:
suppiled by Warmhaus R&D.
Attention:
Set boiler to SUMMER Mode and complete Au-To Calibration within 30 minute because time out is 30 Minute.
1
Attention:
Before auto calibration change & adjust P14=5 in the TSP menu.
Attention:
After adjusting the P14=5, in any case like lack of voltage or over run the time more then 3 minutes the P14 value
will be change automatically to "0".
2
"Push two button MODE + RESET simultaneously
Attention:
Make sure the all radiator valves are opened and during calibration if boiler can not reach the maximum CH limit
temperature otherwise calibration process will interrrupt. Make sure boiler frontal casing is totally closed and sealing of the
boiler body is secured during calibration."
3
Wait until the approval circle complete on the LCD and release buttons.
4
JUST AFTER RELEASE BUTTONS then Press the CH button within 3 seconds.
5
On the screen "Au -To " will be displayed and the boiler will try to make ignition attempts. Do not change gas pressure OR
touch to the boiler on this stage!
6
Flame occurance then boiler will try to determine the size of the flame and make a special cycle to self adaptation. Do not
press any key during this time.
7
The boiler will be stable within 3-5 minute after the " P0 " is displayed on the screen. (P0=MINIMUM POWER)
8
When the combustion is stable press the "DHW" button. Current set flame correction value will be displayed on the screen.
9
To increase the CO2 value press "-" button, to decrease the CO2 value press "+" BUTTON.
10
After adjusting the P0 value, push the DHW button to toggle between power. "P1" ignition power will be displayed on the
screen. (P1=IGNITION POWER)
11
The boiler will be stable within 45 seconds after the "P1" is displayed on the screen. (P1=IGNITION POWER). Make the CO2
correction if necesarry adjustment method as described above (pos no 10).
12
To make the MAXIMUM POWER (P2) calibration, push the DHW button (for circle time).
13
The boiler will be stable within 45 seconds after the "P2" is displayed on the screen. (P2=MAX). Make the correction
adjustment as described above (pos no 10).
14
When the calibration is completed push the MODE button to exit.
15
Wait until the approval circle complete on the LCD and release buttons. In this way EXIT the Au-To calibration menu.
Summary of Contents for EWA 2525C
Page 1: ...CONDENSING COMBI BOILERS INSTALLATION SERVICE MANUAL EWA 2525C 25 kW EWA 2530C 30 kW...
Page 2: ......
Page 3: ...3 warmhaus co uk...
Page 57: ...57 warmhaus co uk...
