Wiring Schematic Diagrams

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
4122-2-0-0-3 GB312
File Type
PDF
Download
4122-2-1-0-2
File Type
PDF
Download
4122-2-1-1-2
File Type
PDF
Download
4122-3-1-0-2 + Solar
File Type
PDF
Download
4122-6-0-1-3
File Type
PDF
Download
4122-6-0-2-0
File Type
PDF
Download
4122-6-1-1-1
File Type
PDF
Download
4122-6-1-1-3
File Type
PDF
Download
4122-8-0-2-0
File Type
PDF
Download

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
4121-1-1-0-1 Unvented Protection
File Type
PDF
Download
4121-1-1-0-1
File Type
PDF
Download
4121-1-1-0-1+Solar
File Type
PDF
Download
4121-1-1-1-0 Unvented Protection
File Type
PDF
Download
4121-1-1-1-0
File Type
PDF
Download
4121-1-1-1-1
File Type
PDF
Download
4121-1-1-1-3
File Type
PDF
Download
4121-2-0-0-2+BFU
File Type
PDF
Download
4121-2-0-1-0
File Type
PDF
Download
4121-2-0-1-0 GB312
File Type
PDF
Download
4121-2-1-0-0
File Type
PDF
Download
4121-2-0-1-1
File Type
PDF
Download
4121-2-1-0-1
File Type
PDF
Download
4121-2-1-1-1
File Type
PDF
Download
4121-3-1-1-1
File Type
PDF
Download
4121-2-1-2-0
File Type
PDF
Download
4121-2-1-2-1
File Type
PDF
Download
4121-3-1-2-0
File Type
PDF
Download
4121-3-0-2-0
File Type
PDF
Download
4121-3-1-2-1
File Type
PDF
Download
4121-4-0-1-2
File Type
PDF
Download
4121-4-0-2-1
File Type
PDF
Download
4121-4-1-1-1
File Type
PDF
Download
4121-4-1-2-0
File Type
PDF
Download
4121-4-1-2-1
File Type
PDF
Download

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
4211-1-1-1-2
File Type
PDF
Download

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
4212-1-HDR2
File Type
PDF
Download
4212-2-Cascade
File Type
PDF
Download
4212-3-Cascade
File Type
PDF
Download

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
4321-2-0-0-0
File Type
PDF
Download
4321-2-0-0-0 Volt Free
File Type
PDF
Download
4321-3-0-0-0
File Type
PDF
Download
4321-3-1-1-2
File Type
PDF
Download
4321-4-0-0-2
File Type
PDF
Download
4321-4-1-1-2
File Type
PDF
Download
4321-6-0-0-2
File Type
PDF
Download
4321 Saftey Chain with alarm
File Type
PDF
Download
4321 Saftey Group
File Type
PDF
Download

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
4323-6-1-1-1
File Type
PDF
Download
4323-7-1-1-1
File Type
PDF
Download
4323-8-1-1-1
File Type
PDF
Download
4323-8-1-1-3
File Type
PDF
Download

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
1B-1CT-1DHW-GB162
File Type
PDF
Download
1B-1CT-1VT-1DHW-C7000F
File Type
PDF
Download
1B-1CT-1VT-1DHW-GB162
File Type
PDF
Download
1B-1CT-1VT-2DHW-GB162
File Type
PDF
Download
1B-1CT-2VT-2DHW-C7000F
File Type
PDF
Download
1B-1CT-2VT-2DHW-GB162
File Type
PDF
Download
1B-1VT-1DHW-C7000F
File Type
PDF
Download
1B-1VT-1DHW-GB162
File Type
PDF
Download
1B-3VT-1DHW-C7000F
File Type
PDF
Download
1B-3VT-1DHW-GB162
File Type
PDF
Download
2B-1CT-1DHW-C7000F
File Type
PDF
Download
2B-1CT-1DHW-GB162
File Type
PDF
Download
2B-1CT-1VT-2DHW-GB162
File Type
PDF
Download
2B-1CT-2VT-2DHW-GB162
File Type
PDF
Download
2B-1VT-1DHW-GB162
File Type
PDF
Download
3B-1CT-1DHW-GB162
File Type
PDF
Download
3B-1VT-1DHW-GB162
File Type
PDF
Download
FM-AM
File Type
PDF
Download
FM-MM
File Type
PDF
Download
FM-MW
File Type
PDF
Download
FM-SI
File Type
PDF
Download

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
EM10-1-0-0-0
File Type
PDF
Download
EM10-2-0-0-0 GB312
File Type
PDF
Download
EM10-2-0-0-0
File Type
PDF
Download

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
MCM10-4-230 vac
File Type
PDF
Download
MCM10-4-Volt Free
File Type
PDF
Download

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
RC35-1-1-0-1
File Type
PDF
Download
RC35-1-1-1-0
File Type
PDF
Download
RC35-1-1-1-1
File Type
PDF
Download
RC35-1-1-1-1
File Type
PDF
Download
RC35-1-1-1-1+Solar
File Type
PDF
Download
RC35-1-1-1-2
File Type
PDF
Download
RC35-1-1-1-2+RC25
File Type
PDF
Download
RC35-1-1-1-3
File Type
PDF
Download