Ariston microGENUS 27 MFFI Installation Instructions Manual - Page 13
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2.12
E
D
LECTRICAL
L
:
EGEND
A
= Time Clock Connector
B
= Central Heating Selection (Winter) and
Temperature Adjustment
C
= Connector for Total Check System
D
= Domestic Hot Water Temperature Adjustment
E
= Soft-light Adjustment
F
= Maximum Heating Adjustment
G
= On/Off Switch
H
= On/Off L.E.D.
I
= Fume Sensor L.E.D.
J
= Ignition Failure (Lockout) L.E.D.
K
= Low System Water Level/Lack of Circulation L.E.D.
L
= Reset Button
M
= Economy/Comfort Selector
N
= Overheat L.E.D.
O
= Temperature L.E.D.s
P
= Transformer
Q
= Circulation Pump Relay
R
= Fan Relay
S
= Gas Valve Relay
T
= Motorised Diverter Valve Relay
V
= Spark Generator
U
= Anti-cycling Device Adjustment for Heating
J
F
. 2.12
IG
IAGRAM
K
A01
=
Circulation Pump
A02
=
Fan
A03
=
Spark Generator/Gas Valve Supply
A04
=
Motorised Diverter Valve
A05
=
Flame Detection Circuit
A06
=
Detection Electrode
A07
=
Main Circuit Temperature Probe
A08
=
Domestic Hot Water Temperature Probe
A09
=
Domestic Hot Water Flow Switch
A10
=
Main Circuit Flow Switch
A11
=
Modulator
A12
=
Air Pressure Switch
A13
=
Safety Thermostat
A14
=
External (Room) Thermostat
Colours:
Gry
=
Grey
Wh
=
White
Pnk
=
Pink
Brn
=
Brown
Bl
=
Blue
Blk
=
Black
Rd/Blk =
Red/Black
13
SE017A