
Wiring Schematic Diagrams
Download our wiring diagrams for our complete range of Bosch controls and modules.
For further information, or for technical support,
please call 0330 123 3004or e-mail commercial.industrial@uk.bosch.com
4122 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- 4122-1-0-1-1
- 4122 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
4122-1-1-1-4
File Type PDF Download Download (PDF 0.1 MB) -
4122-2-0-0-3 GB312
File Type PDF Download Download (PDF 0.1 MB) -
4122-2-1-0-2
File Type PDF Download Download (PDF 0.1 MB) -
4122-2-1-1-2
File Type PDF Download Download (PDF 0.1 MB) -
4122-3-1-0-2 + Solar
File Type PDF Download Download (PDF 0.2 MB) -
4122-6-0-1-3
File Type PDF Download Download (PDF 0.2 MB) -
4122-6-0-2-0
File Type PDF Download Download (PDF 0.1 MB) -
4122-6-1-1-1
File Type PDF Download Download (PDF 0.2 MB) -
4122-6-1-1-3
File Type PDF Download Download (PDF 0.2 MB) -
4122-8-0-2-0
File Type PDF Download Download (PDF 0.2 MB)
4121 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- 4121-1-0-1-1
- 4121 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
4121-1-0-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4121-1-1-0-1 Unvented Protection
File Type PDF Download Download (PDF 0.1 MB) -
4121-1-1-0-1
File Type PDF Download Download (PDF 0.2 MB) -
4121-1-1-0-1+Solar
File Type PDF Download Download (PDF 0.2 MB) -
4121-1-1-1-0 Unvented Protection
File Type PDF Download Download (PDF 0.1 MB) -
4121-1-1-1-0
File Type PDF Download Download (PDF 0.1 MB) -
4121-1-1-1-1
File Type PDF Download Download (PDF 0.2 MB) -
4121-1-1-1-3
File Type PDF Download Download (PDF 0.2 MB) -
4121-2-0-0-2+BFU
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-0-1-0
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-0-1-0 GB312
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-1-0-0
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-0-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-1-0-1
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-1-1-1
File Type PDF Download Download (PDF 0.2 MB) -
4121-3-1-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4121-2-1-2-0
File Type PDF Download Download (PDF 0.2 MB) -
4121-2-1-2-1
File Type PDF Download Download (PDF 0.2 MB) -
4121-3-1-2-0
File Type PDF Download Download (PDF 0.2 MB) -
4121-3-0-2-0
File Type PDF Download Download (PDF 0.1 MB) -
4121-3-1-2-1
File Type PDF Download Download (PDF 0.2 MB) -
4121-4-0-1-2
File Type PDF Download Download (PDF 0.2 MB) -
4121-4-0-2-1
File Type PDF Download Download (PDF 0.1 MB) -
4121-4-1-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4121-4-1-2-0
File Type PDF Download Download (PDF 0.2 MB) -
4121-4-1-2-1
File Type PDF Download Download (PDF 0.2 MB)
4211 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- 4211-1-0-1-1
- 4211 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
4211-1-1-1-0
File Type PDF Download Download (PDF 0.2 MB) -
4211-1-1-1-2
File Type PDF Download Download (PDF 0.2 MB)
4212 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- 4212-1-0-1-1
- 4212 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
4212-1-HDR1
File Type PDF Download Download (PDF 0.1 MB) -
4212-1-HDR2
File Type PDF Download Download (PDF 0.1 MB) -
4212-2-Cascade
File Type PDF Download Download (PDF 0.1 MB) -
4212-3-Cascade
File Type PDF Download Download (PDF 0.1 MB)
4321 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- 4321-1-0-1-1
- 4321 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
These diagrams are also the same for the 4322 control.
-
4321-2-0-0-0 0-10 Volt
File Type PDF Download Download (PDF 0.1 MB) -
4321-2-0-0-0
File Type PDF Download Download (PDF 0.1 MB) -
4321-2-0-0-0 Volt Free
File Type PDF Download Download (PDF 0.1 MB) -
4321-3-0-0-0
File Type PDF Download Download (PDF 0.1 MB) -
4321-3-1-1-2
File Type PDF Download Download (PDF 0.1 MB) -
4321-4-0-0-2
File Type PDF Download Download (PDF 0.1 MB) -
4321-4-1-1-2
File Type PDF Download Download (PDF 0.1 MB) -
4321-6-0-0-2
File Type PDF Download Download (PDF 0.1 MB) -
4321 Saftey Chain with alarm
File Type PDF Download Download (PDF 0.1 MB) -
4321 Saftey Group
File Type PDF Download Download (PDF 0.1 MB)
4323 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- 4323-1-0-1-1
- 4323 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
4323-5-1-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4323-6-1-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4323-7-1-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4323-8-1-1-1
File Type PDF Download Download (PDF 0.1 MB) -
4323-8-1-1-3
File Type PDF Download Download (PDF 0.2 MB)
8000 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Number of boilers
- Number of constant temperature heating circuits
- Number of variable temperature heating circuits
- Number of domestic hot water circuits
- Type of boiler the drawing applies to
Example
- 1B-1CT-1DHW-GB162
- 1B = 1 Boiler.
- 1CT = 1 Constant Temperature Heating Circuit
- 1DHW = 1 Domestic Hot Water Circuits
- GB162
8000 Control Function Modules
The key explains what each number represents in the document title of the table.
-
1B-1CT-1DHW-C7000F
File Type PDF Download Download (PDF 0.3 MB) -
1B-1CT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
1B-1CT-1VT-1DHW-C7000F
File Type PDF Download Download (PDF 0.3 MB) -
1B-1CT-1VT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
1B-1CT-1VT-2DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
1B-1CT-2VT-2DHW-C7000F
File Type PDF Download Download (PDF 0.3 MB) -
1B-1CT-2VT-2DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
1B-1VT-1DHW-C7000F
File Type PDF Download Download (PDF 0.3 MB) -
1B-1VT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
1B-3VT-1DHW-C7000F
File Type PDF Download Download (PDF 0.3 MB) -
1B-3VT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
2B-1CT-1DHW-C7000F
File Type PDF Download Download (PDF 0.3 MB) -
2B-1CT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
2B-1CT-1VT-2DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
2B-1CT-2VT-2DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
2B-1VT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
3B-1CT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB) -
3B-1VT-1DHW-GB162
File Type PDF Download Download (PDF 0.3 MB)
-
FM-AM
File Type PDF Download Download (PDF 0.1 MB) -
FM-MM
File Type PDF Download Download (PDF 1.9 MB) -
FM-MW
File Type PDF Download Download (PDF 1.8 MB) -
FM-SI
File Type PDF Download Download (PDF 1.5 MB)
EM10 Control Schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- EM10-1-0-1-1
- EM10 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
EM10-1-0-0-0 GB312
File Type PDF Download Download (PDF 0.1 MB) -
EM10-1-0-0-0
File Type PDF Download Download (PDF 0.4 MB) -
EM10-2-0-0-0 GB312
File Type PDF Download Download (PDF 0.1 MB) -
EM10-2-0-0-0
File Type PDF Download Download (PDF 0.4 MB)
MCM10 Control Schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- MCM10-1-0-1-1
- MCM10 = Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
MCM10-4-0-10 vdc
File Type PDF Download Download (PDF 0.2 MB) -
MCM10-4-230 vac
File Type PDF Download Download (PDF 0.2 MB) -
MCM10-4-Volt Free
File Type PDF Download Download (PDF 0.2 MB)
RC35 Control schematics
The key explains what each number represents in the document title of the table.
Key
- Master controller.
- Number of boilers used.
- Domestic hot water used - 0=no. 1=yes.
- Number of un-mixed heating circuits.
- Number of mixed heating circuits.
Example
- RC35-1-0-1-1
- RC35= Master Controller.
- 1 = Number of boilers used.
- 0 = Domestic hot water is not used.
- 1 = Number of un-mixed heating circuits.
- 1 = Number of mixed heating circuits
-
RC35-1-0-1-1
File Type PDF Download Download (PDF 0.5 MB) -
RC35-1-1-0-1
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-0
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-1
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-1
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-1+Solar
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-2
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-2+RC25
File Type PDF Download Download (PDF 0.6 MB) -
RC35-1-1-1-3
File Type PDF Download Download (PDF 0.6 MB)