Menu 3 - Boiler With Storage And Boiler With Solar Kit - Ariston Clas 24 FF Installation And Servicing Instructions

Description
2 4 CENTRAL HEATING PARAMETER - PART 1
2 4 0 NOT PRESENT
2 4 1 NOT PRESENT
2 4 2 NOT PRESENT
2 4 3 Post-ventilation after Central Heating
request
2 4 4 Boost Time
This parameter can be used to set the delay time before the automatic increase in fl ow temperature, in steps of 4°C (max.
12°C). If the value of this parameter remains at 00 the function is not activated.
2 4 5 NOT PRESENT
2 4 6 NOT PRESENT
2 4 7 Central Heating Pressure
Detection Device
2 4 8 NOT PRESENT
2 5 DOMESTIC HOT WATER (COMBI)
2 5 0 COMFORT FUNCTION
(COMBI)
The "COMFORT" function of the appliance can be used to increase the comfort level of the user when drawing hot water.
This function keeps the secondary exchanger hot during periods of boiler inactivity; this increases the initial heat
status of the water drawn, as the water is delivered at a higher temperature. Press the MENU/OK button to enable the
modifi cation.
When the function is enabled the text COMFORT LED is illuminated.
This function may also be enabled or disabled by pressing the COMFORT button.
2 5 1 Comfort Anti-cycling Time (COMBI)
2 5 2 DHW Start Delay (COMBI)
2 5 3 D.H.W. switch logic (COMBI)
2 5 4 Post-circulation and post-ventilation after
domestic hot water is drawn
2 5 5 Delay start in Central Heating after D.H.W.
request
2 9 RESET MENU' 2
2 9 0 RESET MENU 2 Reset factory settings
3 BOILER WITH STORAGE (INSIDE OR OUTSIDE) AND BOILER WITH SOLAR KIT
3 0 GENERAL SETTINGS
3 0 0 Storage Setpoint Temperature - NOT ACTIVE
3 0 1 NOT ACTIVE
3 0 2 NOT ACTIVE
3 1 Service code
settings - adjustment - problem identifi cation menus
range
0 = OFF
1 = ON
from 0 to 60
(minutes)
0 = Temperature Probes only
(COMBI)
1 = Pressure Switch (SYSTEM)
2 = Pressure Sensor
0 = Disabled
1 = Time Based
2 = Always active
from 0 to 120 minutes
From 5 to 200
(from 0,5 o 20 seconds)
0 = Anti-scale (stop at > 67°C)
1 = At 4°C over set-point
0 = OFF
1 = ON
from 0 to 30 (minutes)
"Reset?OK=Yes, Esc=No"
1
only enabled with Room Thermostat
on/off and temperature adjustment
activated (parameter 421 or 521 on
01 = Basic temperature adjustment)
0 ONLY FOR SERVICE - To be used only in
substitution P.C.B.
1 Time Based =Active for 30 minutes after a
D.H.W. request
0
5
ONLY FOR SERVICE - To be used only in
substitution P.C.B.
0
For boiler with solar Kit connected
222 Press +/- to select code 234 and press
M /O
ENU K
37