Operating Sequence - Joannes EPOCA 25-29 NS Installation And Maintenance Manual

OPERATING SEQUENCE (display only)
a
1 FIGURE
Button
ON/OFF
RIARMO/RESET
PROG./MODE
During boiler operation the first figure on the digital display indicates the sequence step while the second gives
the temperature of the water in the boiler.
E.g.
Step Function
pause, no heat required
0
pre-ventilation
1
ignition
2
burner ignited (heating system mode)
3
4 burner ignited (hot water mode)
5 air pressure switch control
6 burner off (water temp. more than 5°C warmer than setting)
7 post-circulation pump in heating mode
8 post-circulation pump in hot water mode
9 burner off because of fault (see shutdown code)
Function
ON/OFF SWITCH
SUMMER/WINTER SWITCH
BOILER RESET
PROGRAM SELECTOR
(DISPLAY)
means that the unit is heating at a delivery temperature of around 80°C.
a
2 FIGURE
Button
SEQUENZA/STEP
MEMO/STORE
+
-
Function
SELECTS PARAMETERS TO BE
DISPLAYED
ENTERS DATA
INCREASES SETTING
DECREASES SETTING
65