FS.
1
3
7
V Lv
4
CN10
P.AR. T.L.A.
3
1
12
[EN] - Multi-row wiring diagram
"L-N" POLARISATION IS RECOMMENDED
Arancione = Orange
Bianco = White
Blu = Blue
Giallo = Yellow
Grigio = Grey
Marrone = Brown
Nero = Black
Rosa = Pink
Rosso = Red
Verde = Green
Viola = Violet
A
Gas valve
B
3.15 AF fuse
C
External probe
D
Room thermostat (voltage free contact
input)
E
Low temperature thermostat - General
alarm
AKL05 GAR • Control card with built in digital
display
P1 • Potentiometer to select off – summer –
winter – reset/heating temperature
P2 • Potentiometer to select domestic hot
water set point, enable/disable pre-heating
function
P3 • Thermoregulation curves pre-selection
P4 • Not used
A
S.S.
P.A.
OPE
OPE
-t°
2
3
1
2
3
1
1
2
3
4
rosa
6
CN9
1
V Hv
1
CN3
2
1
1
E
3
M2
S.M.
S.R.
-t°
-t°
S.F.
-t°
CN11
1
JP1 • Enable front knobs for calibration only of
maximum heating (MAX_CD_ADJ)
JP2 • Heating timer reset
JP3 • Enable front knobs for calibration in service
(MAX, MIN, MAX_CH, RLA)
JP4 • Absolute domestic hot water thermostat
selector
JP5 • Not used
JP6 • Enable night-time compensation function
and pump in continuous mode
JP7 • Enable standard/low temperature systems
management
JP8 • Enable flow switch (jumper on/flow meter
(jumper off) management
CN1-CN15 • Connection fittings (CN7 zone
valve kit)
S.W. • Chimney sweep, interruption of the
venting cycle and calibration when enabled
E.R. • Flame detection electrode
F1 • 3.15A T fuse
F • 3.15A F external fuse
M2 • Terminal board for external connections:
low temperature thermostat/general alarm
M3 • Terminal board for external connections:
230 V
B
230 V
L
N
PWM
blu (-)
P
F
marrone (+)
CN12
4
5
CN2
1
CN7
3V
2
3
CN8
1
CN9
CN4
7
1
TSC2
N
F
E.A.
1 2
3
CN1
M3
OT+
D
C
-t°
M6
CN6
JP7
JP6
JP5
JP4
JP3
JP2
JP1
CN5
JP8
P4
SW1
CN13
P1
CN14
P3
AKL05 GAR
1
3.15A T
F1
CN10
4
1
CN11
12
FA2
FA1
arancione
E.R.
M6 • Terminal board for external connections:
Open therm/external probe/room thermostat
(voltage free contact input)
P • Pump
PWM • PWM signal
OPE • Gas valve operator
V Hv • Fan power supply 230 V
V Lv • Fan control signal
3V • 3-way servomotor valve
E.A. • Ignition electrode
TSC2 • Ignition transformer
T.L.A. • Water limit thermostat
S.F. • Flue gas probe
S.M. • Delivery temperature probe on primary
circuit
S.R. • Return temperature probe on primary
circuit
F.S. • DHW flowmeter
S.S. • Domestic hot water circuit temperature
probe (NTC)
P.A. • Water pressure switch
P.AR. • Air pressure switch
MySMART C.S.I.
MySMART C.S.I.
CN12
1
P2
3
CN4
1
2
CN3
1
6
CN2
1
CN1
1
73