Ariston UNO - 2.11 ELECTRICAL DIAGRAM; Component Legend and Wiring Diagram

13
LN
FUSE
FUSE
LC 100
CN 202 CN 200
CN 301
1
1
CN 201
CN 204
4
CN 100
CN 205
CN 100
verde
13
3
B
A
CN 104
2
CN 101
1
CN 102
giallo
rosso
H I
J
K
G
A
D
E
F
B
C
R
L
P
O
N
M
Q
1
CN 301
Blk Blk
Gry Gry Gry Gry Gry Gry Gry Gry
Blk Blk
Gry
2
A01
A11
A02 A03 A04 A05
3 456789101112
Az
Rd
Vi
Gry
Wh
1
CN 201
2
A06
A07 A08 A09 A10
3 456789101112
Vi
O
N
P
M
4
CN 100
3
BA
CN 104
2
CN 101
1
CN 102
2.11 ELECTRICAL DIAGRAM
LEGEND:
A = Central Heating Selection (Winter) and
Temperature Adjustment
B = Domestic Hot Water Temperature Adjustment
C = On/Off/Reset Switch
D = Ignition Failure (Lockout) L.E.D.
E = Fume Sensor L.E.D.
F = Ignition L.E.D. (Burner On)
G = Time Clock Connector
H = Circulation Pump Relay
I = Motorised Diverter Valve Relay
J =Fan Relay
K =Gas Valve Relay
L = Remote Control Connection
M =Jumper (Self Test Pressure Adjustment -
see table 3.0)
N =Jumper Ignition Delay (Anti-cycling) Adjustment
O =Jumper Low Temperaure installation (under floor)
P =Jumper (Soft-light Adjustment/Maximum
Heating Adjustment)
Q =Transformer
R = Room Thermostat Connector
A01 =Fan
A02 =Gas Valve Supply
A03 = Motorised Diverter Valve
A04 = Circulation Pump
A05 = Spark Generator
A06 =Main Circuit Temperature Probe (Flow Sensor)
A07 =Main Circuit Temperature Probe (Return Sensor)
A08 = Air Pressure Switch
A09 = Domestic Hot Water Flow Switch
A10 = Modulator
A11 = Flame Detection Circuit
Colours:
Gry = Grey
Wh = White
Rd = Red
Bl = Azzurro
Vi = Violet
Blk =Black
FIG. 2.14