Supplied By www.heating spares.co Tel. 0161 620 6677
11
DOMINA F 24 - 30 E
FERELLA F 24 - 30 MEL
MILOS AIR COMPACT E
Version - 09.2002
2. PRODUCT FRAMEWORK AND INTERNAL
COMPONENTS
2.1 Hydraulic circuit heating
Hydraulic diagram for heating
When there is a call for heat, the room thermostat or control system make the burners ignite and the
circulation pump come into operation. The heat contained in the products of combustion is transferred
to the water by the system via the exchanger. For more details on the operating logic, refer to chap.3.
Key
5
Airtight chamber
7
Gas inlet
8
Tap water outlet
9
Tap water inlet
10
System delivery
11
System return
14
Safety valve
16
Fan
20
Burner unit
27
Heat exchanger
29
Fume outlet collar
32
Heating circulator
34
Heating temperature sensor
42
Tap water temperature
sensor
43
Air pressure switch
44
Gas valve
49
Safety thermostat
50
Heating thermostat
56
Expansion tank
74
Heating system cock
81
Ignition electrode
82
Detection electrode
114
Water pressure switch
136
Flow meter
187
Fume diaphragm
11
10
-
+
7
8
9
43
50
56
81
44
32
49
20
82
27
5
29-187
16
74
14
114
34
136
42
