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2.1.4. Operation in Summer Mode

Boiler only operates for heating the domestic hot water in this mode. In 

order to switch to summer mode;

{If you have a ground heating system, as our Authorized 
Service adjust your combi for 

“Low Temperature Operation”

maximum temperature shall be limited with the Radiator 
temperature adjustment button (3) (e.g. maximum 47 °C)}.

Domestic Hot Water Adjustment at Winter 
Position; First press the DHW button (4).  
At that position, 

 symbol flashes at right 

top corner of the screen and existing DHW 
temperature will be seen on the screen and 
screen  light will turn off.
You can adjust the hot tap water temperature 
value between 35 – 60 °C with (14) and (15) 
numbered buttons. Screen lights during 
temperature change, °C symbol flashes 
besides the DHW temperature value. Screen 
light turns off after adjustment.

If you are starting the combi for the first time 
hold 

MODE

 button, and release the button 

after the cycle is completed on the screen, 
initially combi switches to radiator position, 
its symbol 

 will flash on left top corner 

of the screen existing radiator installation 
temperature shall be indicated on the screen 
and screenlight will be turned-off.

In order to switch to DHW position, hold 

MODE

 button and release the button after 

completion of cycle on the screen. At that 
position, 

 symbol flashes at right top corner 

of the screen and existing DHW temperature 
will be seen on the screen and screen light will 
turn off.

At that position 

, you can adjust the 

temperature between 35 – 60 °C with the 
Domestic Hot Water temperature adjustment 
button (4). Screen light will be open during 
adjustment, tap symbol 

 and Domestic 

Hot Water temperature value will flash. You 
can adjust the hot tap water temperature 
value between 35 – 60 °C with (14) and (15) 
numbered buttons. Screen lights during 
temperature change, °C symbol flashes 
besides the DHW temperature value. Screen 
light turns off after adjustment.

2.1.5. Shutting off the Boiler

To set the boiler to OFF position while it is in SUMMER position;

When the 

MODE

 button is hold, after the cycle is 

completed while screen light is on,

screen will display 

OFF

 letter, that means your 

combi is OFF.

OFF

To bring combi in 

OFF

 position while it is in 

WINTER

; hold 

MODE

 button, after cycle is 

completed while the screen light is on, combi 
will be in 

SUMMER

 position.

When combi is started, flame modulation symbol is seen at the middle section 
of the screen. At that position, you can increase (3+14) 

 and decrease 

(3+15) 

 the temperature with radiator temperature adjustment buttons 

(see. Figure 47-48) (3) between 25 – 80 °C, screen lights when buttons are 
pressed and °C symbol 

 flashes besides the radiator temperature value.

Now, your combi is at 

STANDBY

 position as 

OFF

.

OFF

Then, upon repeating the same operation, letter 
will be displayed on screen after completing the 
cycle and screen light turns off.

Analogue manometer is located near to right-bottom side of the 
combi. Installation pressure should be seen in this manometer even 
in the absence of electricity.

{If you have a ground heating system, as our Authorized 
Service adjust your combi for 

“Low Temperature Operation”

maximum temperature shall be limited with the Radiator (CH) 
temperature adjustment button (3) (e.g. maximum 50 °C)}.

Summary of Contents for EWA 2525C

Page 1: ...CONDENSING COMBI BOILERS USER MANUAL EWA 2525C EWA 2530C...

Page 2: ...ith limited mental and sensory capabilities or by persons who do not have enough experience and or knowledge unless they are supervised by a person who is responsible for their safety or they have bee...

Page 3: ...of On Off Stand by and Summer Winter Modes 8 2 1 3 On Off Stand by Positions 8 2 1 4 Operation in Winter Mode 8 2 1 5 Operation in Summer Mode 9 2 1 6 Shutting off the Boiler 9 2 2 USE WITH ROOM THERM...

Page 4: ...le The maintenance and repairs as the result of failure of the product within the warranty period due to material production and installation errors shall be performed as free of charge without claimi...

Page 5: ...mbar G25 DE II 2L3P Natural Gas 25 mbar G25 NL II 2L3B P Natural Gas 25 mbar G25 NL II 2ELL3B P Natural Gas 20 mbar G25 DE I 3 Buthane Gas 28 30 mbar 37 mbar G30 BE CH CY CZ ES FR GB GR IE IT LT PT S...

Page 6: ...ly at the gas meter or an appropriate emergency control valve Immediately evacuate the place Call the National Gas Emergency Service 0800111999 or in Ireland 1850 20 50 50 Do not make any intervention...

Page 7: ...klet are strictly followed for safe and economical operation of the boiler Important Notes This appliance must not be operated without the casing correctly fitted and forming an adequate seal If the b...

Page 8: ...the first time screen displays nG letter and then a number for instance 24 indicating kW power of the device and screenlight is closed Now combi is at STANDBY position The temperature value when elect...

Page 9: ...60 C with the Domestic Hot Water temperature adjustment button 4 Screen light will be open during adjustment tap symbol and Domestic Hot Water temperature value will flash You can adjust the hot tap...

Page 10: ...n Device installation shall only be performed by the Warmhaus Authorised Service The dual cable required for installation is supplied by the dealer consumer Maintenance and Service Life Warmhaus room...

Page 11: ...r systems to operate at high temperatures as standard P24 Child Protection This feature is disabled as default factory setting 0 Child Protection key lock is enabled when parameter is adjusted to 1 Ke...

Page 12: ...stion or electrode Condensate Syphon blocked Electronic board 1 Call for authorised service E 09 No water circulation in the system Boiler does not work E09 error code flashing on the screen Lack of w...

Page 13: ...mmunication error Boiler does not work E43 error code flashing on the screen after 1 minute of communication error Opentherm line disconnected 1 Remove energy from boiler and re energize E43 will be r...

Page 14: ...disconnections Gas valve failure 1 Call for authorised service E 88 Fault of electronic gas valve managing circuit Boiler does not work E88 error code flashing on the screen Cabling disconnections Ga...

Page 15: ...ectrode Electrode position Combustion calibration 1 Call for authorised service E 96 Flue or air suction way blockage Boiler does not work E96 error code flashing on the screen Blockage in flue Blocka...

Page 16: ...and also you can acquire approximately 6 power saving with every degree of temperature decrease Ventilation Do not leave windows slightly open for ventilating room rooms In such case continuous heat l...

Page 17: ...oduct information listed elsewhere may result in different test conditions Only the data that is contained in this product information is applicable and valid Electricity Fuel HANDING OVER After compl...

Page 18: ...fuel consumption AFC GJ 11 18 11 18 Condensing boiler Yes Yes Yes Yes Low temperature boiler Yes Yes Yes Yes Combi Boilernation boiler Yes Yes Yes Yes B1 Boiler No No No No Room boiler with combi boil...

Page 19: ...19 warmhaus co uk...

Page 20: ...act Cadent s Plant Protection team Cadent provide first line support for our assets Gas Emergencies If you smell gas or have accidentally hit the NTS pipeline please call us urgently 0800 111 999 Elec...

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