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5603 878 - 04
Vitoflex 300-RF Installation & Operating
Electrical Components
(continued)
High voltage
Number
Designation
Device tag
Description
1
M1
-14M1
Flue gas exhaust blower
2
M2
-27M2
Grate drive
3
M3
-28M3
Rotary blower
4
M4
-8M4
De-ashing auger
5
M5
-8M5
De-ashing ascending conveyor auger (not shown)
6
M16
-24M16
Igniter
7
M20
-9M20
Boiler pump
Low voltage
8
Y10
-21Y10
Primary air valve 1
9
Y11
-21Y11
Primary air valve 2
10
Y13
-21Y13
Secondary air valve 1
11
Y14
-21Y14
Secondary air valve 2
12
Y20
-26Y20
Mixing valve actuator
13
Y21
-29Y21
Solenoid valve 1
14
Y22
-29Y22
Solenoid valve 2
15
Y23
-29Y23
Solenoid valve 3
16
Y24
-29Y24
Solenoid valve 4
17
Y25
-29Y25
Solenoid valve 5
18
Y26
-29Y26
Solenoid valve 6
Temperature sensors
19
B1
-22B1
Flue gas temperature sensor
20
B20
-22B20
Boiler supply temperature sensor
21
B20.1
-22B20.1
Boiler return temperature sensor
22
B02
-22B02
In-feed auger temperature sensor
Light barriers
23
B1.1
-16B1.1
Light barrier embers 1 (Transmitter)
24
B1.2
-16B1.2
Light barrier embers 1 (Receiver)
25
B2.1
-17B2.1
Light barrier embers 2 (Transmitter)
26
B2.2
-1782.2
Light barrier embers 2 (Receiver)
27
B4.1
-18B4.1
Light barrier de-ashing system (Transmitter)
28
B4.2
-18B4.2
Light barrier de-ashing system (Receiver)
Sensors
29
B26
-23B26
Oxygen sensor
30
N1
-19N1
Floater switch for fire extinguishing water container (not shown)
31
N21
-6N21
Fixed high limit
32
N22
-6N22
Low water cut-off (not shown)
Component overview
M Hight voltage
Y Low
voltage
B Sensors
S Switches
N Sensors
Electrical