Viessmann Vitoflex RF 150 Installation And Service Instructions Manual page 41

Vitoflex 300-RF Installation & Operating
Electrical Components
Component overview
M Hight voltage
Y Low voltage
High voltage
Number Designation
1
2
3
4
5
6
7
Low voltage
8
9
10
11
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
(continued)
Device tag
M1 -14M1
M2 -27M2
M3 -28M3
M4 -8M4
M5 -8M5
M16 -24M16
M20 -9M20
Y10 -21Y10
Y11 -21Y11
Y13 -21Y13
Y14 -21Y14
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
B Sensors
S Switches
N Sensors
Description
Flue gas exhaust blower
Grate drive
Rotary blower
De-ashing auger
De-ashing ascending conveyor auger (not shown)
Igniter
Boiler pump
Primary air valve 1
Primary air valve 2
Secondary air valve 1
Secondary air valve 2
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
In-feed 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)
Oxygen sensor
Floater switch for fire extinguishing water container (not shown)
Fixed high limit
Low water cut-off (not shown)
Electrical
41