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Description
SERVICE CODE
Rotate encoder clockwise to select code 234 and press O
0
NETWORK
0
4
DISPLAY SETTING
0
4
0
Zone to be set by display
0
4
1
Backlight timing
0
4
2
Thermoregulation button deactivation
2
BOILER PARAMETER SETTING
2
0
GENERAL
2
0
0
DHW Setpoint Temperature
2
2
BOILER GENERAL SETTINGS
2
2
0
Soft ignition
2
2
3
Underfl oor thermostat or zone 2 ambient
thermostat selection
2
2
4
Thermoregulation
2
2
5
Heating ignition delay
2
2
8
Boiler Version - CLAS HE EVO
CANNOT BE MODIFIED
Boiler Version - CLAS HE EVO SYSTEM
CANNOT BE MODIFIED
2
2
9
Set boiler heat power
2
3
BOILER PARAMETER - PART 1
2
3
1
Maximum heating power setting
2
3
2
Domestic hot water maximum percentage
CANNOT BE MODIFIED
2
3
3
Minimum percentage
CANNOT BE MODIFIED
2
3
4
Heating maximum percentage
CANNOT BE MODIFIED
2
3
5
Selection of ignition delay type when
heating
2
3
6
Ignition delay when heating timer setting
2
3
7
Post-circulation when heating
2
3
8
Pump speed control
2
3
9
Set Delta T Pump
Parameter to set if Pump Speed control (237) is setted on modulating
ΔT (fl ow - return) for circulation pump modulation
This parameter can be used to set the diff erence between the fl ow and return temperatures, which determines the commutation
between low and high circulation pump speed. E.g.: param. 14 = 20 if the Tfl ow - Tret > 20°C; the circulation pump will be
activated at maximum speed. If the Tfl ow - Tret < 20 - 2°C; the circulation pump will be activated at minimum speed.
The minimum wait time between speed changes is 5 minutes.
settings - adjustment - problem identifi cation menus
value
. Turn the encoder to select MENU and press OK button
K
1 = 1 Zone
2 = 2 Zone
3 = 3 Zone
from 0 to 10 (minutes) or 24
(hour)
0 = OFF
1 = ON
from 36 to 60 (°C)
from 0 to 90
0 = Floor safety thermostat
1 = Zone 2 ambient thermostat
0 = Absent
1 = Present
0 = Deactivated
1 = 10 seconds
2 = 90 seconds
3 = 210 seconds
from 0 to 5
from 0 to 5
from 0 to 99
from 0 to 99
from 0 to 99
from 0 to 99
0 = Manual
1 = Automatic
from 0 to 7 (minutes)
from 0 to 15 minutes or OC (AC)
0= Low speed
1= High speed
2= Modulating
from 10 to 30 °C
1
24
0
Setting by DHW button 1
60
See parag. Gas settings
0
0
0
0
RESERVED FOR TECHNICAL
2
ASSISTANCE
Only if the PCB is changed
60
see the "Gas setting" table,
information on Starting
RESERVED FOR TECHNICAL
ASSISTANCE
Only if the gas or PCB is changed
see "gas setting" table
1
3
3
2
20
41
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