Ariston microGENUS HE 32 MFFI Technical Information Page 18
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EC
II
IJK
LEGEND:
A -
On/Off Button
B - Domestic Hot Water Temperature Adjustment
C - Central Heating Temperature Adjustment
D - Reset Button/Flue Test analysis mode*
E - Comfort Mode Selector
F - Summer Mode LED (Green)
G -
Ignition/Overheat Lockout LED (Red)
H - Central Heating (Winter Mode) LED (Green)
I - Digital Display (Fault Code/Water Temperature)
J - Time Clock
K- Central Heating System Pressure Gauge
2.10 CONTROL PANEL
FIG. 2.22
FR020A
* Warning the flue analysis mode must only be selected by a
qualified service engineer.
DISPLAY CAUSE
A
A
0
0
1
1
No flame after safety time (7 seconds)
A
A
0
0
3
3
The heating flow temperature exceeds
103
o
C during operation
A
A
9
9
7
7
Problem with the electronic monitoring
A
A
9
9
8
8
Problem with the electronic monitoring
A
A
9
9
9
9
Problem with the electronic monitoring
E
E
0
0
2
2
Insufficient water pressure
E
E
0
0
4
4
Domestic hot water temperature probe in
open circuit
E
E
0
0
5
5
Domestic hot water temperature probe
short circuited
E
E
0
0
6
6
Heating flow temperature probe in open
circuit
E
E
0
0
7
7
Heating flow temperature probe short
circuited
E
E
0
0
8
8
Heating return temperature probe in open
circuit
E
E
0
0
9
9
Heating return temperature probe short
circuited
E
E
2
2
0
0
Flame detected with gas valve closed
E
E
2
2
1
1
Error in the electrical connection (live and
neutral crossed)
E
E
3
3
3
3
The air pressure switch is
closed before the ignition sequence
E
E
3
3
4
4
The air pressure switch does not close
when the fan runs
E
E
9
9
9
9
More than 5 RESETS of the boiler in 15
minutes.
The Control Panel has a 3 digit display, during normal
operation the display will show one of three things on the
tw
o right hand digits;
During Stand-by (no demand for Central Heating or D.H.W.)
‘on’ will be shown on the display and no LEDs will light.
During a demand for Domestic Hot Water, the temperature of
the outgoing hot water is displayed in
o
C (e.g. 38) and the
summer mode LED will light (F - FIG. 2.22).
During a demand for Central Heating, the temperature of the
central heating flow will be displayed in
o
C (e.g. 65) and the
central heating mode LED will light (H - FIG. 2.22).
Dur
ing the oper
ation of the flue analysis mode* the
display will show ‘
sc’.
Should a fault occur the display will show the fault code
and one of two letters, for a non-volatile shutdown the
letter
‘A’
will be sho
wn f
ollo
w
ed b
y the tw
o digit code f
or
the f
ault eg.
‘
A02’
and the red
LED (
G - FIG.
2.22
)
will
light, a non-volatile shutdown will require the reset button
(D - FIG. 2.22) to be pushed before the boiler will attempt
to relight, should the boiler lockout again, the assistance
of an A
uthor
ised Service Engineer should be sought.
Should the boiler develop a fault that cannot be corrected
b
y resetting the boiler
, the letter
‘
E’ will be displa
y
ed
followed by a two digit code (e.g.
E33) indicating a
v
olatile shutdo
wn code
, in the e
v
ent of such a shutdown,
the boiler will automatically resume oper
ation once the
cause behind it is resolv
ed. Should it not the assistance
of an A
uthor
ised Ser
vice Engineer would be required.
A list of the fault codes can be found opposite.
2.11 DIGITIAL DISPLAY AND FAULT CODES
- 1. GENERAL INFORMATION 3
- 1.1 GENERAL INSTRUCTIONS 3
- 1.2 OVERALL VIEW 4
- FIG. 1.0 4
- 2.1 REFERENCE ST 5
- 2.2 SITING THE APPLIANCE 5
- 2.5 MOUNTING THE APPLIANCE 6
- FIG. 2.2 6
- 2.4 CLEARANCES 6
- 2.3 OVERALL DIMENSIONS 6
- FIG. 2.1 6
- 2.6 ELECTRICAL CONNECTION 7
- FIG. 2.3 7
- 2.8 WATER CONNECTIONS 8
- 2.7 GAS CONNECTION 8
- FIG. 2.4 8
- 28/31 kW 9
- 2.9 FLUE CONNECTIONS 10
- FIG. 2.6 10
- FIG. 2.7 11
- RESTRICTOR 14
- EE TABLE 2.1 (PAGE 17) 14
- AIR INTAKE MUST NOT BE 16
- FITTED ABOVE THE EXHAUST 16
- TABLE 2.1 17
- DISPLAY CAUSE 18
- 2.10 CONTROL PANEL 18
- EMOVING THE FRONT PANEL 19
- OOM THERMOSTAT CONNECTION 19
- IG. 2.23 20
- 2.15 WATER CIRCUIT DIAGRAM 21
- 3.1 INITIAL PREPARATION 22
- 23
- 3.10 INSTRUCTING THE END USER 26
- 3.7 DRAINING THE SYSTEM 26
- 3.8 COMPLETION 26
- 3.9 OPERATIONAL CHECKS 26
- 4.1 CHANGING THE TYPE OF GAS 27
- ABLE A Page 27) 28
- ECTION 6.3.3) 29
- Burner pressure 31
- ECTION 3.4) and 32
- 5. MAINTENANCE 32
- 6.1 REPLA 33
- 6.2 TO GAIN GENERAL ACCESS 33
- IG. 6.15 36
- IG. 6.18 36
- IG. 6.21); 37
- IG. 6.22); 37
- IG. 6.23); 37
- 6.4 ACCESS TO THE GAS VALVE 38
- FIG. 6.38 40
- FIG. 6.39 40
- FIG. 6.40 40
- FIG. 6.37 40
- IG 6.45-FIG 6.46 41
- IG. 6.42) 41
- IG. 6.43) 41
- IG. 6.60-6.61) 44
- IG. 6.66); 45
- IG. 6.67-6.68) 45
- IG. 6.64) 45
- IG. 6.65); 45
- CCESS TO THE CONTROL SYSTEM 46
- FIG. 6.69 46
- FIG. 6.70 46
- FINDING GUIDE 49
- (FLOW-CHARTS) 49
- 8. EXPLODED VIEW 52
- CE Certification 54
- SERVICE INTERVAL RECORD 57
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