Bosch 520PN Applications Manual page 101

Greentherm & thermtankless water heaters
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13.2.6 Group 6
Fig. 83 Components Diagram
Item
Description
1
Control unit - C 1210 ES
1
Control unit - C 1210 ESC
2
Fuse T2.5A
3
Fuse T1.6A
4
Power supply cables
5
Power supply cord
6
Fan cables
7
Wire harness
9
Electrode cables
Table 45
C 1210 ES/ESC
Item
Reference
10
8 707 207 367 0
11
8 707 207 369 0
12
1 904 521 342 0
13
8 700 609 008 0
14
8 704 401 371 0
15
8 704 401 378 0
16
8 704 401 347 0
8 704 401 348 0
Table 45
8 704 401 346 0
Interior components diagram and parts list | 59
Description
Flue gas limiter
Kit Intelligent Cascading
Anti freeze kit
Remote control (optional)
Shaped seal (optional)
Screw (optional)
Printed circuit transceiver (optional) 8 708 300 123 0
Reference
8 700 400 032 0
7 709 003 962
7 709 003 665
TSTAT2
8 700 201 012 0
8 703 401 109 0
6 720 644 887 (2013/02)

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