5
OPTIMAX HE PLUS 25 S
Cod. 3540R540 - 02/2009 (Rev. 00)
1.2 Control panel
eco
comfort
reset
8
15
13
14
12
11
2
1
4
3
6
7
5
fig. 1
1
= Domestic Hot Water temperature setpoint decreasing push button (not used)
2
= Domestic Hot Water temperature setpoint increasing push button (not used)
3
= Central Heating water temperature setpoint decreasing push button
4
= Central Heating water temperature setpoint increasing push button
5
= Display
LCD
6
= Reset
7
= On-Off push button
8
= Domestic Hot Water symbol
11
= Multi-function
indication
12
= Degrees
indication
13
= Central Heating mode operation
14
= Central Heating symbol
15
= Burner on and actual load indication
Indication during boiler operation
Demand mode
The Boiler heat demand (generated by the Programmer, room thermostat and cylinder thermostat) is
indicated by the flashing of the Hot Air symbol over the radiator (part. 13 and 14 – fig. 1). The display
indicates the actual System water temperature (part. 11 – fig. 1).
eco
comfort
reset
fig. 2
