P2_PANTHER_user manual_ work basis_EN_03 - 07/11 - Protherm
- 15 -
HOW TO USE THE BOILER
8.13 Operating sketch of 25 KOV
1
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
20
19
17
18
16
14
13
12
15
11
Legend
1 Safety
valve
2 Gas
valve
3 HW
exchanger
4 Discharge
valve
5 Burner
6 Ignition
electrodes
7
NTC CH water intake temperature
sensor
8 Combustion
chamber
9 CH
exchanger
10 Exhaust gas collector
11 Combustion
thermostat
12 NTC CH return water temperature
sensor
13 Expansion
tank
14 Ionising
electrode
15 Pump
16 CH pressure sensor
17 3–way motor valve
18 HW
fl
ow sensor
19 HW
fi
lter
20 Inlet
valve
A CH
outlet
B HW
outlet
C Gas
inlet
D HW
inlet
E CH
inlet
