46
warmhaus.co.uk
Designation:
Ewa Combi Boiler wall-hung boilers
Object
Type-model / Technical data
Mark (s) of conformity
Procedure Deareation Function
Ewa Combi Boiler
granted by Warmhaus R&D
Pos No Operation
Description GB
0
Attention:
This procedure must be applied by authorized persons.
Attention:
During this function make sure the boiler water pressure is OK and automatic air vent cap is open. During
operation if water pressure reduces then fill full the water to the installation by using filling tap or loop.
1
First of all press the MODE button to select switch "OFF" the boiler. MODE order is WINTER - SUMMER - OFF circle
2
Wait until the approval circle complete on the LCD and release buttons.
3
Be sure that the "OFF" is dsiplayed on the screen. If not press again the "MODE" and repeat the step above Until OFF
symbol shown on the screen.
4
The boiler should be OFF.
5
Push and hold the RESET and "-" buttons.
6
Wait until the approval circle complete on the LCD and release buttons.
7
"The ""Air"" will be displayed on the screen. Boiler will start the Deareation function. During this function pump and
3-way valve are activated/deactivated in order to have deareation of the hydraulic plant.
This function ends pushing again RESET for circle time OR at the end of deareation time 12minutes."
8
To exit the "Air" function, push and hold the RESET and "-" buttons. OR wait 12 Minute for time out.
9
Wait until the approval circle complete on the LCD and release buttons.
4.6. Deaeration Mode
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...
