Immergas 3.018921, Instruction And Warning Booklet

Page: 16 / 24

16
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
3.7 PROGRAMMING THE P.C.B.
The Nike Mini 28 kW Special boiler is prepared
for possible programming of several operation
parameters. By modifying these parameters
as described below, the boiler can be adapted
according to specific needs.
To access the programming phase, do the
following: place the main selector on Reset for
an amount of time ranging between 15 and 20
seconds (after approx. 10 sec. LEDs 2 and 3 will
start flashing simultaneously. Wait for this to stop
and then place the main selector on DHW and
Central Heating). At this point, place the main
selector switch back on domestic hot water-
heating (
).
When the programming phase has been
activated, enter the first level where it is possible
to choose the parameter to be set.
The parameter is marked by one of the fast
flashing LEDs between 1 and 8 (Fig. 2-1).
The selection is made by turning the DHW
temperature selector (10). For association of the
LED to the parameter, see the following table:
List of parameters
Flashing
LED
(fast)
Minimum CH output (DO NOT
USE)
LED 1
Maximum CH output (DO NOT
USE)
LED 2
Central heating ignitions timer LED 3
Heating power output ramp LED 4
Heating switch-on delay request
from Room thermostat and
Comando Amico Remoto remote
control
V2
LED 5
DHW thermostat LED 6
Pump functioning LED 7
Functioning gas LED 8
Boiler mode (DO NOT USE) (it
establishes whether the boiler
operates in instantaneous or
storage mode)
LEDs 8
and 1
Once the parameter to be modified has been
selected, confirm by turning the main selector
switch to Reset momentarily until the LED
relative to the parameter switches-off, then
release.
Given the OK for selection, pass to the second
level where it is possible to set the value of the
parameter selected. The value is indicated by the
slow flashing of one of the LEDs between 1 and
8. The value is selected by turning the central
heating temperature selector (11).
Once the value of the parameter to be modified
has been selected, confirm the selection by
momentarily turning the main selector switch
onto Reset momentarily until the LED relative to
the parameter switches off, then release.
Programming mode is exited if no operation is
carried out for 30 seconds or if the main selector
switch is positioned at OFF from the “parameter
setting” level.
For association of the LED to the relative value,
see the following tables:
Heating output.
The boiler is produced and
calibrated in the central heating phase at nominal
output.
Permanent reduction of the timer. The boiler
has an electronic timing device that prevents the
burner from igniting too often in the heating
phase. The boiler has a standard supply of a timer
adjusted at 180 seconds.
Heating switch-on timer
(continuous variation)
Flashing
LED
(slow)
30 seconds LED 1
55 seconds LED 2
80 seconds LED 3
105 seconds LED 4
130 seconds LED 5
155 seconds LED 6
180 seconds (Standard setting) LED 7
255 seconds LED 8
Central heating ramp timing.
The boiler
distributes the maximum power set in the
previous parameter. The boiler performs an
ignition ramp of about 650 seconds to arrive
from minimum power to nominal heating power.
Central heating ramp timer
(continuous variation)
Flashing
LED
(slow)
65 seconds LED 1
130 seconds LED 2
195 seconds LED 3
390 seconds LED 4
455 seconds LED 5
520 seconds LED 6
585 seconds LED 7
650 seconds (standard setting) LED 8
Heating switch-on delay request from Room
thermostat and Comando Amico Remoto
V2
.
The boiler is set to switch-on immediately after a
request. In the case of particular systems (e.g. area
systems with motorised thermostatic valves etc.)
it may be necessary to delay ignition.
Heating switch-on delay request
from Room thermostat and
Comando Amico Remoto
remote control
V2
(continuous
variation)
Flashing
LED
(slow)
0 seconds (Standard setting) LED 1
54 seconds LED 2
131 seconds LED 3
180 seconds LED 4
206 seconds LED 5
355 seconds LED 6
400 seconds LED 7
510 seconds LED 8
DHW thermostat.
With the “correlated”
thermostat setting the switch-off of the boiler
takes place on the basis of the temperature set
using the domestic hot water adjustment selector
switch (10). While with the setting of the "fixed"
DHW thermostat the switch-off temperature is
fixed at the maximum value independently from
the position of the selector switch.
DHW thermostat
Flashing
LED
(slow)
Correlated LED 1
Fixed (Standard setting) LED 8
Circulating pump function.
Two circulating
pump operational modes can be selected in
heating phase.
In “intermittent” mode it is activated from the
room thermostat or from the remote control, in
“continuous” mode the pump always runs when
the main switch (9) is on CH.
Pump function
Flashing
LED
(slow)
Intermittent (Standard setting) LED 1
Continuous LED 8
Town Gas G110 – Industrial gas. The setting
of this function is used to adjust the boiler in
order to function with gases from the first family.
Gas G110 - Industrial gas (first
family gas)
Flashing
LED
(slow)
Off (Standard setting) LED 1
On LED 8