Control Panel - Fer FERSYSTEM TECH 31 C Instructions For Use, Installation And Maintenance

FERSYSTEM TECH 31 C

1.2 Control panel

1 = Domestic Hot Water temperature setpoint decreasing push button
2 = Domestic Hot Water temperature setpoint increasing push button
3 = Central Heating water temperature setpoint decreasing push button
4 = Central Heating water temperature setpoint increasing push button
5 = Display LCD
6 = Reset / OTC push button
7 = Economy-Comfort / On-Off push button
8 = Domestic Hot Water symbol
9 = Domestic Hot Water mode operation
11 = Multi-function indication (Flashing during heat exchanger protection)
12 = Economy symbol
13 = Central Heating mode operation
14 = Central Heating symbol
15 = Burner on and actual load indication (Flashing during flame current supervision)
Indication during boiler operation
Central Heating mode
The Central Heating heat demand (generated by the OpenTherm Remote Control, the Room Thermostat
or the Clock) is indicated by the flashing of the Hot Air symbol over the radiator (part. 13 and 14 – fig.
1). The display indicates the actual Central Heating water temperature (part. 11 – fig. 1) and during
central heating off time the text "d2".
eco/comfort
reset
Cod. 3540U320 - 09/2009 (Rev. 00)
fig. 1
fig. 2
eco/comfort
reset
5