27
warmhaus.com
BUTTONS and PUSHBUTTONS
1.
MODE
, position adjustment button.
2.
RESET
button.
3. Radiator (CH) water temperature adjustment button.
4.
DHW
temperature adjustment button.
5. Software connection slot.
6. Digital display screen
7. Temperature, data and failure codes display
8. Radiator symbol is seen when combi is functioning in (CH) position.
Symbol flashes at heating steps or when radiator temperature adjustment
is made.
9. Flame symbol is only seen when boiler is active (burning in combi); when
system detects availability of flame. It is seen as symbol in case of
failure.
10.
DHW
tap symbol is seen at summer and/or winter position of the combi.
Symbol flashes on
DHW
request or when
DHW
adjustment is made.
11. Failure indicator.
12. Failure status
RESET
requirement.
13. Radiator low water pressure.
14. Temperature increasing button.
15. Temperature decreasing
The temperature value displayed on the combi screen has a ± 3°C tolerance
depending on environmental conditions not arising from the combi.
RESET:
It is used for re-starting the combi and eliminating the failure in case
of combi failure.
MODE:
Winter/Summer/OFF mode is used for position adjustment.
Operating positions and related notifications:
POSITION EXPLANATIONS:
•
CLOSED
or
OFF
(3 digits LCD screen)
•
WINTER
►
Radiator tempe °C + tap + radiator is displayed.
•
SUMMER
►
Radiator tempe °C + tap is displayed.
•
CH ON
►
Radiator Tempe °C + tap + flashing radiator (symbol) is
displayed.
•
DHW ON
►
DHW tempe °C + flashing tap (symbol) is displayed.
•
CH FROST PROTECTION
►
Radiator temperature
• °C + flashing radiator (symbol) + when boiler is ignited flame (symbol) is
displayed.
•
DHW FROST PROTECTION
►
CH tempe °C flashing radiator and
tap (symbol) + when boiler ignited flame (symbol)
•
CH/DHW SETTING CHANGE
►
CH adjustment change will be activated
when radiator symbol rapidly flashes. DHW adjustment change will be
activated when tap symbol rapidly flashes.
• Service technician function ra tap displayed. (Only for authorized
service, wait for the function to end without pressing any button or
rotating the button in such case!)
CH:
(System) Central Heating
DHW:
Domestic Hot Water
Control Panel of EWA Model Combi Devices
4
3
6
5
8
1
7
13
12
11
15
2
9
10
14
Figure 47
Control panel of Ewa
Figure 48
Control panel of Ewa combi screen
