4
Safety Relief
Valve
*To
Drain
Off: Heating and DHW disabled
(only boiler frost protection is active)
Burner lit
Ignition fault
DHW operating mode enabled
Boiler/system water pressure low
Heating mode enabled
Call a qualified service technician
Programming menu
Manually resettable fault
Boiler information menu
Fault in progress
Set unit of measurement
SYMBOL Explanation:
DHW temperature adjustment
(
+
to increase the temperature and
–
to decrease it)
Heating water temperature adjustment
(
+
to increase the temperature and
–
to decrease it)
Boiler operating information
Operating mode:
DHW – DHW & Heating – Heating Only
Off – Reset – Exit menu/functions
BUTTON
Explanation:
3.1 USER CONTROLS
Position Temperature/
Pressure Gauge on CH
System Supply Side
of Boiler.
3 - CONTROL
3.2 CENTRAL HEATING SYSTEM PRESSURE
Regularly check the pressure displayed on the field installed
pressure gauge is between 14.50 and 21.76 psi (1.0 - 1.5
bar), with the boiler cold.
If the pressure is less than 14.50 psi, or higher than 21.76
psi
call an authorized SERVICE technician.
* Check Local Codes
for Maximum Distance
to Floor.
PN 240012896 Rev. A [01/31/2020]