Setting The Thermoregulation; Boiler Configuration; Adjustments; Type Of Heat Request - Riello Caldariello Condens 25 KIS E Installer And User Manual

CALDARIELLO CONDENS KIS e
Note: the meter resetting procedure should be carried out after each in-
depth cleaning of the primary exchanger or if this latter is replaced. To
check the status of the total hour meter, multiply the reading by 100 (e.g.
reading of 18 = 1800 total hours; reading of 1 = 100 total hours).
The boiler continues to operate normally even when the alarm is activated.
Fault A77
This is an automatic-reset fault, if the boiler does not restart, contact the
Technical Assistance Centre.
Fixed yellow LED
Pre-heating function activated.
Flashing yellow LED
Combustion analysis in progress.

4.4 Boiler configuration

There is a series of jumpers (JPX) available on the electronic board which
enable the boiler to be configured.
To access the board, proceed as follows:
- turn off the main switch on the system
- loosen the fixing screws on the housing, move the base of the housing
forwards and then upwards to unhook it from the chassis
- undo the fixing screws (E) from the instrument panel (fig. 14)
- loosen the screws (F - fig. 16) to remove the cover of the terminal board
(230V).
JUMPER JP7 - fig. 37:
preselection of the most suitable heating temperature adjustment field ac-
cording to the installation type.
Jumper not inserted - standard installation
Standard installation 40-80°C
Jumper inserted - floor installation
Floor installation 20-45°C.
In the manufacturing phase, the boiler is configured for standard installa-
tions.
JP1 Calibration (Range Rated)
JP2 Reset heating timer
JP3 Calibration (see paragraph on "Adjustments")
JP4 Absolute domestic hot water thermostat selector
JP5
Do not use
JP6 Enable night-time compensation function and continuous pump
(only with external sensor connected)
JP7
Enable management of low temperature/standard installations (see
above)
JP8 Do not use
4.5 Setting the thermoregulation (graphs 1-2-3)
The thermoregulation only operates with the external sensor connected;
once installed, connect the external sensor (accessory available on request)
to the special terminals provided on the boiler terminal board (fig. 5).
This enables the THERMOREGULATION function.
Selecting the compensation curve
The compensation curve for heating maintains a theoretical temperature of
20°C indoors, when the external temperature is between +20°C and -20°C.
The choice of the curve depends on the minimum external temperature en-
visaged (and therefore on the geographical location), and on the delivery
temperature envisaged (and therefore on the type of system). It is carefully
calculated by the installer on the basis of the following formula:
envisaged delivery T. - Tshift
KT=
20- min. envisaged external T.
Tshift = 30°C standard installations
25°C floor installations
If the calculation produces an intermediate value between two curves, you
are advised to choose the compensation curve nearest the value obtained.
Example: if the value obtained from the calculation is 13, this is between
curve 10 and curve 15. Choose the nearest curve, i.e. 15.
Select the KT using trimmer P3 on the board (see multiwire wiring dia-
gram).
To access P3:
- remove the housing,
- loosen the fixing screw on the instrument panel
- turn the instrument panel towards you
- loosen the fixing screws on the terminal board cover
- unhook the board casing
Live electrical parts (230 V AC).
The KT values which can be set are as follows:
standard installation: 10-15-20-25-30
floor installation 2-4-6-8
and these are displayed for approximately 3 seconds after rotation of the
trimmer P3.
10

TYPE OF HEAT REQUEST

Boiler connected to room thermostat (JUMPER 6 not inserted)
The heat request is made by the closure of the room thermostat contact,
while the opening of the contact produces a switch-off. The delivery tem-
perature is automatically calculated by the boiler, although the user may
modify the boiler settings. Using the interface to modify the HEATING, you
will not have the HEATING SET-POINT value available, but a value that
you can set as preferred between 15 and 25°C. The modification of this
value will not directly modify the delivery temperature, but will automati-
cally affect the calculation that determines the value of that temperature,
altering the reference temperature in the system (0 = 20°C).
Boiler connected to a programmable timer (JUMPER JP6 inserted)
With the contact closed, the heat request is made by the delivery sen-
sor, on the basis of the external temperature, to obtain a nominal indoor
temperature on DAY level (20°C). With the contact open, the boiler is not
switched off, but the weather curve is reduced (parallel shift) to NIGHT
level (16°C).
This activates the night-time function.
The delivery temperature is automatically calculated by the boiler, although
the user may modify the boiler settings.
Using the interface to modify the HEATING, you will not have the HEAT-
ING SET-POINT value available, but a value that you can set as preferred
between 25 and 15°C.
The modification of this value will not directly modify the delivery tempera-
ture, but will automatically affect the calculation that determines the value
of that temperature, altering the reference temperature in the system (0 =
20°C for DAY level, and 16°C for NIGHT level).

4.6 Adjustments

The boiler has already been adjusted by the manufacturer during produc-
tion. If the adjustments need to be made again, for example after extraor-
dinary maintenance, replacement of the gas valve, or conversion from
methane gas to LPG, observe the following procedures.
The adjustment of the maximum and minimum output, and of the maxi-
mum and minimum heating and of slow switch-on, must be made strictly in
the sequence indicated, and only by qualified personnel only:
- disconnect the boiler from the power supply
- turn the heating water temperature selector to its maximum
- loosen the fixing screws (E) on the instrument panel (fig. 14)
- lift then turn the instrument panel towards you
- loosen the fixing screws on the cover (F) to access the terminal board
(fig. 16)
- insert the jumpers JP1 and JP3 (fig. 39)
- power up the boiler.
The three LEDs on the instrument panel flash simultaneously and the dis-
play shows "ADJ" for approximately 4 seconds.
Next change the following parameters:
1 - Domestic hot water/absolute maximum
2 - Minimum
3 - Heating maximum
4 - Slow switch-on
as follows:
- turn the heating water temperature selector to set the required value
- press the CO button (fig. 26) and then skip to the calibration of the next
parameter.
Live electrical parts (230 V AC).
The following icons light up on the monitor:
1. during domestic hot water/absolute maximum calibration
2. during minimum calibration
3. during heating maximum calibration
4. during slow switch-on calibration
End the procedure by removing jumpers JP1 and JP3 to store these set
values in the memory.
The function can be ended at any time without storing the set values in the
memory and retaining the original values as follows:
- remove jumpers JP1 and JP3 before all 4 parameters have been set
- set the function selector to
- cut the power supply
- waiting for 15 minutes after it is connected.
Calibration can be carried out without switch on the boiler.
By turning the heating selection knob, the monitor automatically
shows the number of rotations, expressed in hundreds (e.g. 25 =
2,500 rpm).
(OFF/RESET)