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