Ariston MICROCOMBI 23 MFFI Istruzioni per la manutenzione - Pagina 23
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3.
ELECTRICAL
DIAGRAMS
L
:
EGEND
A
= Central Heating Temperature Adjustment
B
= Domestic Hot Water Temperature Adjustment
C
= Soft-light Adjustment
D
= Maximum Heating Adjustment
E
= Time Clock Connector
F
= On/Off Switch
G
= Fume Sensor L.E.D.
H
= Central Heating Selector
I
= Ignition Failure (Lockout) L.E.D.
J
= On/Off L.E.D.
K
= Reset Button
L
= Central Heating L.E.D.
M
= Transformer
N
= Circulation Pump Relay
O
= Fan Relay
P
= Gas Valve Relay
Q
= Spark Generator I.C.
A01
=
Circulation Pump
A02
=
Fan
A03
=
Spark Generator/Gas Valve Supply
A04
=
Flame Detection Circuit
A05
=
Detection Electrode
A06
=
Main Circuit Temperature Probe
A07
=
Domestic Hot Water Temperature Probe
A08
=
D.H.W. Flow Switch
A09
=
Pump Pressure Switch
A10
=
Modulator
A11
=
Air Pressure Switch
A12
=
Safety Thermostat
A13
=
External (Room) Thermostats
Colours:
Gry
=
Grey
Wh
=
White
Pnk
=
Pink
Brn
=
Brown
Bl
=
Blue
Blk
=
Black
Rd/Blk =
Red/Black
23