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settings - adjustment - problem identi cation menus
menu
sub-menu
Parameter
Description value
default setting
SERVICE CODE
Rotate encoder clockwise to select code 234 and press O
K. Turn the encoder to select MENU and press OK button
0 NETWORK
0 4 DISPLAY SETTING
040Zone to be set by display 1 = 1 Zone
2 = 2 Zone
3 = 3 Zone
1
041
Backlight timing
from 0 to 10 (minutes) or 24
(hour)
24
042Thermoregulation button deactivation 0 = OFF
1 = ON
0
2 BOILER PARAMETER SETTING
2 0 GENERAL
200
DHW Setpoint Temperature from 36 to 60 (°C) Setting by DHW button 1
2 2 BOILER GENERAL SETTINGS
220Soft ignition from 0 to 90 60 See parag. Gas settings
223Under oor thermostat or zone 2 ambient
thermostat selection
0 = Floor safety thermostat
1 = Zone 2 ambient thermostat
0
224Thermoregulation 0 = Absent
1 = Present
0
225Heating ignition delay 0 = Deactivated
1 = 10 seconds
2 = 90 seconds
3 = 210 seconds
0
228Boiler Version - CLAS HE EVO
CANNOT BE MODIFIED
from 0 to 5 0
RESERVED FOR TECHNICAL
ASSISTANCE
Only if the PCB is changed
Boiler Version - CLAS HE EVO SYSTEM
CANNOT BE MODIFIED
from 0 to 5 2
229
Set boiler heat power
2 3 BOILER PARAMETER PART 1
231Maximum heating power setting from 0 to 99 60 see the “Gas setting” table,
information on Starting
232Domestic hot water maximum percentage
CANNOT BE MODIFIED
from 0 to 99
RESERVED FOR TECHNICAL
ASSISTANCE
Only if the gas or PCB is changed
see “gas setting” table
233Minimum percentage
CANNOT BE MODIFIED
from 0 to 99
234Heating maximum percentage
CANNOT BE MODIFIED
from 0 to 99
235Selection of ignition delay type when
heating
0 = Manual
1 = Automatic
1
236Ignition delay when heating timer setting from 0 to 7 (minutes) 3
237Post-circulation when heating from 0 to 15 minutes or OC (AC) 3
238
Pump speed control 0= Low speed
1= High speed
2= Modulating
2
239Set Delta T Pump from 10 to 30 °C 20
Parameter to set if Pump Speed control (237) is setted on modulating
ΔT ( ow - return) for circulation pump modulation
This parameter can be used to set the di erence between the ow and return temperatures, which determines the commutation
between low and high circulation pump speed. E.g.: param. 14 = 20 if the T ow - Tret > 20°C; the circulation pump will be
activated at maximum speed. If the T ow - Tret < 20 - 2°C; the circulation pump will be activated at minimum speed.
The minimum wait time between speed changes is 5 minutes.