Installation Instructions

Installation and Service Manual Epsilon-Series
2
Central heating  on/o
Domestic hot water (DHW) on/o
Pump program on/o
Reset key Unlocking the boiler
in case of error
Step key Selecting chapters
display
Explanations of symbols and signs on the Control Tower display.
1
2
No heat requirement
Ventilation phase
Ignition phase
Burner active on central heating
Burner active on hot water
Fan check
Burner o when room thermostat is demanding
Pump overrun phase for central heating
Pump overrun phase for hot water
Burner o because of to high ow water temperature
Automatic venting program
3
4
5
6
7
8
9
A
Water pressure is to low (<1,0 bar), a-
shing FILL will alternate with indication
of water pressure, boiler power of 50%
is possible. The installation needs to be
topped up.
Operation indication
(in the rst display position by technical read out)
Last postion shows the actual ow temperature
Mode key Selecting chapters
Water pressure is to high (>2,8 bar), if
HIGH indication remains continuously vi-
sible, the boiler is taken out of operation.
The installation pressure needs to be
decreased by draining water.
Water pressure is to low (<0,7 bar), FILL
indication remains continuously visible,
the boiler is taken out of operation. The
installation needs to be topped up.
0
From Good-read out to Technical read out (and vice versa):
- Press 5 sec. on the STEP key.