Thermo 230 / 231 / 300 / 301 / 350
9 Repair
91
1
Fig. 904 Igniter Box and Flame Sensor, Replacement (Sheet 2 of 2)
1
2
3
9
8
7
4
10
11
12
13
14
15
16
17
18
19
20
21
23
22
24
25
5
6
Control unit
23
1572
Igniter box
(black connector
cover) only in
combination with
control unit 1572
Igniter box
(green connector cover;
mechanically coded)
in combination with
control unit 1572D and
also control unit
1572
1
Control unit
1572D
15 Flame sensor
16 Screw
17 Burner housing
18 Strain relief clamp (2)
19 Screw (2)
20 Base plate for relays
21 Relay
22 Relay
23 Control unit
24 Heating cartridge with
thermostat
25 Clip
26 Overheat thermostat
26
(Thermo Top 231 / 301 only)
1 Igniter box
2 Screw (2)
3 Igniter electrodes
4 High pressure nozzle
5 Viewing glass
6 Disk
7 Solenoid valve
8 Electrical connector
9 Screw (3)
10 Fuel pump
11 Filter screen
12 O-ring (2)
13 Rotating ring
14 Screw
5
6
Overheat thermo-
stat (Thermo 231 /
301 only)
26
Summary of Contents for thermo 231
Page 2: ......
Page 10: ...1 Introduction Thermo 230 231 300 301 350 104 Page empty for notes...
Page 26: ...4 Technical Data Thermo 230 231 300 301 350 404...
Page 50: ...7 Circuit Diagrams Thermo 230 231 300 301 350 712...
Page 72: ...10 Packaging Storage Shipping Thermo 230 231 300 301 350 1002 Page empty for notes...
Page 73: ...Thermo 230 231 300 301 350 Annex A A 1 Annex A Scheduled Maintenance...