Ariston microGENUS HE 28 MFFI Installation And Servicing Instructions

2
TABLE OF CONTENTS
1. GENERAL INFORMATION PA
GE
.3
1.1 G
ENERAL INSTRUCTIONS PAGE.3
1.2 OVERALL VIEW PAGE.4
2. INSTALLATION PA
GE
.5
2.1 REFERENCE STANDARDS PAGE.5
2.2 SITING THE APPLIANCE PAGE.5
2
.3 O
VERALL DIMENSIONS PAGE.
6
2.4 CLEARANCES PAGE.6
2.5 MO
UNTING THE
AP
PLIANCE
PA
GE
.6
2.6 ELECTRICAL CONNECTION PAGE.7
2.7 GAS CONNECTION PAGE.8
2.8 W
ATER CONNECTION PAGE.8
2.8.1 CONDENSATE REMOVAL PAGE.10
2.9 F
L
UE
CO
NNECTION
PA
G
E.
12
2.9.1 FITTING THE COAXIAL FLUE
( 60/100 HORIZONTAL)PAGE.13
2.9.2 F
ITTING THE 5” FLUE
( 80/125 HORIZONTAL/VERTICAL)PAGE.14
2.9.3 F
I
TTING THE
CO
AXIAL
FL
UE
( 60/100 VERTICAL)PAGE.15
2.9.4 FITTING THE TWIN PIPE ( 80/80) PAGE.16
2.10 CONTROL PANEL PAGE.21
2.11 DIGITAL DISPLAY AND FAULT CODES PAGE.21
2.12 REMOVING THE FRONT PANEL PAGE. 22
2.13 ROOM THERMOSTAT / REMOTE CLOCK
CONNECTION PAGE.22
2.14 FITTING THE DIGITAL CLOCK PAGE.23
2.15 SETTING THE MECHANICAL CLOCK PAGE.24
2.16 SETTING THE DIGITAL CLOCK PAGE.24
2.17 ELECTRICAL/SYSTEM DIAGRAMS PAGE.26
2.18 WATER CIRCUIT DIAGRAM PAGE.28
3. COMMISSIONING PAGE.29
3.1 INITIAL PREPARATION PAGE.29
3.2 INITIAL ST
AR
T
-UP PA
GE
.
31
3.3
O
PERA
TIONAL
ADJUSTMENTS PA
GE
.
32
3.4 COMBUSTION ANALYSIS PAGE.32
3.5 PRODUCT OF COMBUSTION
DISCHARGE MONITORING PAGE.32
3.6 COMFORT MODE PAGE.32
3.7 BOILER SAFETY SYSTEMS PAGE.33
3.8 DRAINING THE SYSTEM PAGE.34
3.9 COMPLETION PAGE.35
3.10 OPERATIONAL CHECKS PAGE.35
3.11 INSTRUCTING THE END USER PAGE.36
4.
GAS ADJUSTMENTS
PA
GE
.
37
4.1
C
HANGING
THE
TYPE
OF
GAS PA
GE
.
37
4.2
A
DJUSTING
THE
GAS PRESSURES PA
GE
.
37
5. MAINTENANCE PA
GE
.
41
6. SERVICING INSTRUCTIONS PAGE.42
6.1 REPLACEMENT OF PARTS PAGE.42
6.2 TO GAIN GENERAL ACCESS PAGE.42
6.2.1
R
EMO
VING
THE
FR
ONT
PANEL PA
GE
.
42
6.2.2
R
EMO
VING
THE
SEALED CHAMBER
FRONT PANEL PAGE.43
6.2.3 RE
MOVING THE
SI
DE
PA
NELS
PA
GE
.43
6
.3 A
CCESS TO THE COMBUSTION CHAMBER PAGE.
44
6
.3.1 R
EMOVING THE COMBUSTION
CHAMBER PAGE.44
6.3.2 RE
MOVING THE
BU
RNER AND
JE
TS
PA
GE
.44
6.3.3 REMOVING THE ELECTRODES PAGE.44
6.3.4 R
EMOVING THE MAIN HEAT EXCHANGER PAGE.45
6.3.5 REMOVING THE AIR PRESSURE SWITCH PAGE.46
6.3.6 REMOVING THE FAN PAGE.47
6.3.7 RE
MOVING THE
FL
UE
/CO
NDENSATE
SENSOR PAGE.
47
6.3.8 REMOVING THE RECUPERATOR PAGE.48
6.3.9 REMOVING THE RECUPERATOR HOUSING PAGE.49
6.3.10 R
EMOVING THE CONDENSATE TRAP PAGE.49
6.4 AC
CESS TO THE
GA
S
VA
LVE
PA
GE
.50
6.4.1 REMOVING THE SPARK GENERATOR PAGE.50
6.4.2 R
EMOVING THE GAS VALVE PAGE.50
6.5 ACCESS TO THE WATER CIRCUIT PAGE.51
6.5.1 REMOVING THE D.H.W. (SECONDARY)
E
XCHANGER
PA
GE
.51
6.5.2 R
EMOVING THE PUMP PRESSURE
SWITCH PAGE.52
6.5.3 REMOVING THE SAFETY VALVE PAGE.52
6.5.4 REMOVING THE AUTOMATIC AIR VENT PAGE. 53
6.5.5 REMOVING THE PUMP PAGE. 53
6.5.6 R
EMO
VING
THE
PRESSURE GAUGE PAGE. 54
6.5.7 R
EMOVING THE EXPANSION VESSEL PAGE. 55
6.5.8 R
EMOVING THE OVERHEAT THERMOSTAT PAGE.55
6.5.9 REMOVING THE C.H. TEMPERATURE
SENSOR (N.T.C.) PAGE.56
6.5.10 REMO
VING
THE
D.H.W. TEMPERA
TURE
SENSOR (N.T.C.) PAGE. 56
6.5.11 REMOVING THE DIVERTER VALVE
ACTUATOR PAGE.56
6.5.12 REMOVING THE D.H.W. FLOW
SWITCH PA
GE
.
57
6.6 ACCESS TO THE CONTROL SYSTEM PAGE.57
6.6.1 CHECKING THE FUSES PAGE.57
6.6.2 R
EMO
VING THE
P
.C.B. P
A
GE
.
58
6.6.3
R
EMO
VING
THE
TIME CLOCK PA
GE
.
59
7. FAULT FINDING PAGE.60
7.1 FAULT FINDING GUIDE (FLOW-CHARTS)PAGE.60
8. SHORT SPARE PARTS LIST PA
GE
.
63
9. TECHNICAL INFORMATION PAGE.66
10. BENCHMARK COMMISSIONING
CHECKLIST
PAGE.68
11. SERVICE INTERVAL RECORD PAGE.69

Ariston microGENUS HE 28 MFFI Specifications

General

Brand	Ariston
Model	microGENUS HE 28 MFFI
Category	Boiler
Language	English