E.C.A. Fortius Service Manual page 6

Table 3b
FO 24 HM
1 Microcontroller Board
Monotermic
(Main Board)
2 User Interface
3 Gas Valve
4 Burner (13 blade)
5 24 kW Heat Exchanger
(monothermic)
Hydroblock
(monothermic)
6
7 a) Pump
8 b) 3 Bar Pressure
Relief Valve
9 c) Discharge Tap
10 d) Filling Tap
e) Water Pres. Sensor
11
12 f) Water Flow Sensor
13 g) Plate Heat Exchanger
(12 plate)
14 h) DHW NTC Sensor
(Direct Immersion)
15 ı) CH NTC Sensor
(Direct Immersion)
16 j) 3 Way Electrical
Valve
17 Limit Thermostat
18 Expansion Vessel
19 Air Pressure Switch
20 -
21 Fan
22 Manometer
23 Ignition Electrode
24 Ionization Electrode
25 Concentric Air/Flue Kit
26 Timer
FO 28 HM
Microcontroller Board
Monotermic
(Main Board)
User Interface
Gas Valve
Burner (15 blade)
28 kW Heat Exchanger
(monothermic)
Hydroblock
(monothermic)
a) Pump
b) 3 Bar Pressure
Relief Valve
c) Discharge Tap
d) Filling Tap
e) Water Pres. Sensor
f) Water Flow Sensor
g) Plate Heat Exchanger
(14 plate)
h) DHW NTC Sensor
(Direct Immersion)
ı) CH NTC Sensor
(Direct Immersion)
j) 3 Way Electrical
Valve
Limit Thermostat
Expansion Vessel
Air Pressure Switch
-
Fan
Manometer
Ignition Electrode
Ionization Electrode
Concentric Air/Flue Kit
Timer
5