DOMINA 80 E
6
2.02 Boiler main components
Key
5
Room sealed compartment
7
Gas inlet
8
Domestic hot water outlet
9
Domestic hot water inlet
10
Central heating flow outlet
11
Central heating return inlet
14
Safety valve
16
Fan
19
Combustion chamber
20
Burner assembly
21
Main injector
22
Burner
26
Combustion chamber insulation
27
Copper heat exchanger for central
heating and domestic hot water
28
Flue collector from heat exchanger
32
Central heating pump
34
Central heating flow temperature
sensor
36
Automatic air vent valve
42
Domestic hot water flow
temperature sensor
43
Air pressure switch
44
Gas valve
49
Safety overheat thermostat
50
Central heating flow limit thermostat
56
Expansion vessel
62
Time clock (option)
63
Central heating temperature
adjustment
81
Ignition electrode
82
Sensor electrode
84
Primary gas valve solenoid
85
Secondary gas valve solenoid
90*
Flue sampling point
91*
Air sampling point
98
On/Off/Reset switch
114
Low water pressure cut off switch
132
Flue gas deflector
136
Flow meter
145
Central heating pressure gauge
157
Domestic hot water temperature
adjustment
189
Boiler shut down warning
190
Burner on indicator
*
For use with flue gas analysis equipment
Fig. 2
157
63
98
60
bar
80
50
70
40
°
C
°
C
OFF
RESET
ON
16
27
50
19
49
28
5
20
21
114
14
42
10
7
34
9
11
84
85 44
136
32
36
145
26
0
5
1
2
3
4
6
8
132
90
OUT
IN
MIN
91
189
190
81
82
22
56
62
43