nav 3108552 eurocomb a23 a27explode diagram edition1

nav 3108552  eurocomb a23 a27explode diagram edition1
SPARE PARTS EXPLODED VIEW
WALL-HUNG GAS BOILERS
Models
EuroCombi A23 MFFI
EuroCombi A27 MFFI
Edition 1
Current from Serial No:-
--------------- to 983610001
2 72
71 64
70 69 66 67 68 67 66 65 64 63 62 61 60 59 58
57
4
1
4
2
75
75
73
3
74
4
126
4
5
75
4
125
76
4
63
79
6
124
301
77
4
302
301
123
78
122
80
7
4
56
7
81
8
121
82
9
10
117
118
120
119
11
112
83 104
84
88
85
12
86
87
89
13
14
111
108
45
109
97
110
100
99
45
44
43
45
90
42
41
91
11
15
85
53
52
51
50
49
48
47
46
52
101
96
90
98
86
54
107
100
102
87
115
114
113
49
105
106
103
11
55
116
82
41
29
40
39
95
23
92
94
39
92
93
38
34
17
16
18
cod. 574232
19 20
21
22 23 24 25
26
27
cod.573121
28
29 30 31 32 33 34 35 36
37
361
362
364
363
321
cod. 573224
cod.573163
MODELS
371
372
373
SERIAL NO:
VALIDITY
REF.
METHANE
LPG
METHANE
LPG
---------------------------------------------------------
A
B
C
D
311
374
375
CHARACTERISTICS
A
A
A
A
23
23
27
27
MFFI
MFFI
MFFI
MFFI
UK
UK
UK
UK
PART
1
2
3
4
5
6
7
8
9
10
11
12
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
57
58
59
60
61
CODE
573294
573310
573244
574302
572984
570772
574292
574291
573520
997199
997200
997224
997206
573809
573121
573224
569236
573340
573824
571838
573163
573528
573727
573172
573311
573335
571649
573304
573306
997180
997207
997144
997138
997142
997167
997168
997139
573305
573370
572913
997145
572912
953730
569711
952981
952610
571562
569458
573534
571558
997204
569713
574272
574271
572989
572990
573343
573326
573333
573314
DESCRIPTION
Expansion vessel
Expansion vessel insert
3/8" lock nut
Casing support bracket (Plastic)
Casing support bracket
Frame
Cable holder
Hydraulic support
Hydraulic support bracket (L.H.)
Hydraulic support bracket (R.H.)
Gasket 3/4"
Pipe (Main exchanger/3-way-group)
Pipe (Main exchanger/3-way-group)
Overheat thermostat fixing spring
Overheat thermostat
Spring (water venturi)
3-way/main flow group
Main flow switch
Temp probe (C.H.W.)
Microswitch for 3-way/main flow group
Microswitch bracket (main flow)
Pipe fixing clip
Return group
Gasket 1/2"
Manual vent cock
Safety valve 3 bar 1/2"
Pipe (Expansion vessel )
Main power supply cable
Pressure gauge
Release push/On-Off push-button kit
Summer/Winter selector Kit
Connection cable
Time clock
Control panel (bottom)
Inspection cover
Cover (time clock protection)
Plastic cover door
Warning plate lid inner frame
Name badge
Regulation knob kit
L.E.D. cover
Power indicator L.E.D. lens
Control panel (top)
Temperature L.E.D. bank lens
P.C.B. EX C MI/FFI
Nylon bush 10mm
P.C.B. EI A-MFFI
P.C.B. cable
Terminal board
Cable clamp
Cable holders silicone D.2
Cable holder D.75
Control panel rotor
Control panel (rear)
Cable holder cover (R.H.)
High voltage wiring
Low voltage wiring
Fan
Fan
Fan inlet gasket
Flue intake plug
Flue exhaust manifold / header
Venturi (exhaust manifold/header)
REF.
NOTE
11
11
AB
CD
11
AB
CD
PART
62
63
64
65
66
67
68
69
70
71
72
72
73
74
75
76
77
78
79
80
80
81
82
83
84
85
86
87
88
89
89
90
91
92
93
94
95
96
97
98
98
99
100
101
102
103
104
105
106
106
107
108
109
110
111
112
113
114
115
116
117
118
119
CODE
573344
570561
573330
573865
573337
573329
573332
571575
571651
571652
569662
573327
570717
573566
573567
569442
573017
573723
573724
573243
573720
573313
564254
569387
573808
571449
573245
571646
573295
573825
573086
571807
570615
573087
573176
573521
997146
997150
997151
997202
571965
574279
574232
574194
569443
572138
570248
570251
573325
574233
573576
571657
571662
573441
571787
569720
569714
569390
573336
569560
569561
DESCRIPTION
Sealed chamber front panel
Sealed chamber side panel
Fan power supply cord clamp
Sealed chamber box-shaped casing
Air return cover
Flue manifold gasket
Flue manifold gasket
Pressure gauge pressure intake cover
Air pressure switch support plate
Silicone pipe (positive signal)
Air pressure switch
Air pressure switch
Silicone pipe
Y-piece (air pressure)
Fastening spring
View window holder
View window glass
View window seal
Cable (fan/air pressure switch)
Back insulation panel
Back insulation panel
Combustion chamber panel (L.H.)
Side insulation panel
Pipe (main exchanger/pump)
Automatic air release valve
Gasket 1"
By-pass pipe spring
O-ring
By-pass pipe
Secondary exchanger (plate-type) exchanger 23kW
Secondary exchanger (plate-type) exchanger 27kW
O-ring (secondary exchanger)
Pipe (main flow switch positive signal )
O-ring (20-18)
Brass cap 1/8"
Pipe (main flow switch negative signal )
Safety valve outlet pipe
Gasket 3/8"
Circulator connector bracket
Pump
Pump
Pipe (gas inlet)
O-ring (13)
Gasket
Gas valve (sit sigma)
Pipe (gas outlet)
Silicone seal
Burner jet washer
Burner jet 1.25mm
Burner jet 0.72mm
Rivet
Spark generator
Compensation tube
Cable (detection electrode/P.C.B.)
Ignition electrode cable
Detection electrode
Terminal block
Blind grommet
Cable holder cover (L.H.)
Gasket 1/4"
Ignition electrode cable rubber
Ignition electrode (R.H.)
Ignition electrode (L.H.)
REF.
NOTE
11
11
AB
CD
AB
CD
AB
CD
AB
CD
AC
BD
PART
120
120
120
120
121
121
122
122
123
124
124
125
125
126
126
CODE
572271
572277
573347
572372
572749
572835
572647
572648
573242
573721
573722
573248
573249
573047
573465
DESCRIPTION
Main burner
Main burner
Main burner
Main burner
Main exchanger
Main exchanger
Front combustion chamber panel
Front combustion chamber panel
Combustion chamber panel (R.H.)
Front insulation panel
Front insulation panel
Sealed chamber flue hood
Sealed chamber flue hood
Fan fixing plate
Fan fixing plate
301
302
572696
997052
Casing panel (side)
Casing panel (front)
311
571444
D.H.W. actuator kit
321
997029
Sit Sigma gas valve operator coils
361
362
363
364
571443
571442
571447
571446
Heating by-pass kit
D.H.W. pressure switch kit
3-way spring kit
D.H.W. diaphram valve
371
372
373
374
375
571547
571772
571771
571770
573138
Main flow switch diaphram
Main flow switch magnet
Main flow switch spring
Main flow switch top cap
Main flow switch reed system
381
382
569281
569282
Burner jet 1.25 full kit (Natural gas)
Burner jet 0.72 full kit (LPG)
REF.
A
B
C
D
AB
CD
AB
CD
NOTE
AB
CD
AB
CD
AB
CD
12
12
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