Viessmann KOB Pyrot KRT Series Technical Data Manual page 33

Pyrot Technical Data
Electrical Components
Component overview
M Hight voltage
Y Low voltage
High voltage
Number Designation
1
2
3
4
5
6
7
8
9
10
11
Low voltage
12
13
14
15
16
17
18
Temperature sensors
19
20
21 B20.1
22
Light barriers
23
24
25
26
27
28
Sensors
29
30
31
32
33
(continued)
Device tag
M1 -14M1
M2 -27M2
M3 -28M3
M4 -8M4
M5 -8M5
M10 -21M10
M11 -21M11
M13 -20M13
M14 -20M14
M16 -24M16
M20 -9M20
Y20 -26Y20
Y21 -29Y21
Y22 -29Y22
Y23 -29Y23
Y24 -29Y24
Y25 -29Y25
Y26 -29Y26
B1 -22B1
B20 -22B20
-22B20.1
B02 -22B02
B1.1 -16B1.1
B1.2 -16B1.2
B2.1 -17B2.1
B2.2 -1782.2
B4.1 -18B4.1
B4.2 -18B4.2
B26 -23B26
N1 -19N1
N21 -6N21
N22 -6N22
N23 -6N23
B Sensors
S Switches
N Sensors
Description
Flue gas blower
Grate drive
Rotation blower
De-ashing auger
De-ashing ascending conveyor auger (not shown)
Pimary air valve 1
Pimary air valve 2
Secondary air valve 1
Secondary air valve 2
Ingnition blower
Boiler pump
Mixing valve actuator
Solenoid valve 1
Solenoid valve 2
Solenoid valve 3
Solenoid valve 4
Solenoid valve 5
Solenoid valve 6
Flue gas temperature sensor
Boiler supply temperature sensor
Boiler return temperature sensor
Infeed auger temperature sensor
Light barrier embers 1 (Transmitter)
Light barrier embers 1 (Receiver)
Light barrier embers 2 (Transmitter)
Light barrier embers 2 (Receiver)
Light barrier de-ashing system (Transmitter)
Light barrier de-ashing system (Receiver)
O sensor
2
Floater switch for fire extinguishing water container (not shown)
Safety temperature limiter STB
Low water cut-off (not shown)
Water safety pressure switch (not shown)
Electrical
33