Ariston ACO 27 RFFI Instrucciones de instalación y mantenimiento - Página 17

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Legend:
A
- ON/OFF button
B
- Multifunction display
C
- RESET button
D
- Green led (indicates burner on)
E
- Comfort function yellow LED
F
- Red LED (indicates lockout)
G
- COMFORT button
H
- Programming key +
I
- Programming key -
J
- Menù button
K
- Central Heating temperature adjustment
L
- Domestic Hot Water temperature adjustment
M
- Eepron
N
- Interface PCB (optional)
FS
- Domestic hot water flow switch
NTC1 - Central Heating flow temperature probe
NTC2 - Central Heating return temperature probe
NTC3 - Domestic Hot Water temperature probe
(mod. 27/32 MFFI)
- Connection for boiler thermostat
(mod. 27/32 RFFI SYSTEM)
OP
- Time clock
VG
- Gas valve
M
- Diverter valve (mod. 27/32 MFFI)
- Connection for external diverter valve
(mod. 27/32 RFFI SYSTEM)
CI
- Circulation pump with automatic air release valve
MV
- Fan
AC
- Spark generator
PA
- Air pressure switch
TA
- Room Thermostat (optional)
TS
- Underfloor Heating Safety Thermostat (optional)
CR
- Remote Control (optional)
SE
- External sensor (optional)
US
- Secondary outlet (optional)
CN1 =
FAN
Start of coil (black)
1:
End of coil (brown)
2:
"Hall" sensor power supply 12V (red)
3:
"Hall" sensor input (white)
4:
"Hall" sensor neutral (blue)
5:
Not used
6:
CN2 =
FLAME SENSOR
CN3 =
Earth
POWER SUPPLY
CN4 =
Live (brown)
1:
Neutral (blue)
2:
EQUIPMENT
CN5 =
CONNECTIONS
Gas valve neutral (blue)
1:
Gas valve live (brown)
2:
Not used
3:
Pump
4:
(V1) live (red)
Pump
5:
(V2) live (black)
Pump
6:
(ON/OFF) live
Pump
(blue)
7:
neutral
3-way valve (D. H. W.) (brown)
8:
3-way valve (C. H.)
9:
(red/black)
3-way valve
10:
Neutral (blue)
11: Spark generator Neutral (blue)
12: Spark generator live (black)
CN6 =
INTERFACE PCB
(OPTIONAL - see paragraph 2.10)
Accessories:
External sensor
Remote Control CLIMA MANAGER
(see Section.
Secondary outlet
CN7 =
DISPLAY
1: Power 5V
2: Display return
3: Display transmission
4: Earth
CN8 =
SENSOR CONNECTOR
1: Central Heating flow sensor (white)
2: Central Heating return sensor (white)
3: Not used
4: DHW flow switch (grey)
5: DHW sensor (grey)
6: Not used
7: Not used
8: DHW flow switch earth (grey)
9: DHW sensor earth (grey)
10: C.H. flow sensor earth (white)
11: C.H. return sensor earth (white)
12: Not used
CN9 =
ROOM THERMOSTAT
(OPTIONAL - see paragraph 2.10)
CN10 = UNDERFLOOR HEATING
SAFETY THERMOSTAT
(OPTIONAL - see paragraph 2.10)
CN11 = TIME CLOCK
see paragraph 2.10
brown
(
)
2.10)
17