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