Bosch connection chart

Bosch

Wondering if a thermostat is suitable for your Bosch boiler? View the connection table for all Bosch boiler models here.
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The control of the appliance is controlled by the thermostat, this can be done via on/off or modulating.

With an on/off control, the appliance is simply switched on or off and this control can also control a valve for district heating, for example. This arrangement is suitable for almost any device.

 

A modulating heating control allows the burner height of the appliance to burn at different positions. This ensures precise temperature controls and the burner activity of the boiler is precisely adapted to the heat demand. A modulating control thus achieves more efficiency from a low heating capacity.

 

In the table below you can look up your type of central heating boiler, in the columns next to it it is indicated which thermostat is suitable for your appliance and to which connection you should connect it.

Connection table

Type On off Round Opentherm
A-series (all begin Apr. 2009) And 3 in 4 N.V.T. N.V.T.
A-serie Z-ready (vanaf begin apr. 2009) And 3 in 4 N.V.T. And 1 in 2
E-series (until early Apr. 2009) And 22 in 23 And, 1) 22 in 23 N.V.T.
E-series Z-ready (from early Apr. 2009) And 3 in 4 N.V.T. N.V.T.
E-serie Z-ready (vanaf febr. 2013) And 3 in 4 N.V.T. And 1 in 2
Q-serie: Q/Q-CC/Q-Solar And 22 in 23 And, 1) 22 in 23 N.V.T.
Enigma E-SHR And 22 in 23 And, 1) 22 in 23 N.V.T.
Enigma Comfort E-SHR And 22 in 23 And, 1) 22 in 23 N.V.T.
Enigma Standard E-SHR And 2 in 3 And 3) 2 in 3 N.V.T.
Perfect II PF-SHR And 2 in 3 And 3) 2 in 3 N.V.T.
Perfect Intelligence PF-SHR And 22 in 23 And, 1) 22 in 23 N.V.T.
Blue Angel II S-HR And 22 in 23 And, 1) 22 in 23 N.V.T.
HR39T/27T And 1 in 2 And 1 in 2 N.V.T.
VR18T/30T/48T And 1 in 2 And 1 in 2 N.V.T.
BE-series: CZA / CMA / 350, 351, 352, 650, 651, 652,952 And 1 in 2 And 1 in 2 N.V.T.
50-series And 1 in 2 And 1 in 2 N.V.T.
HR Solar Gas Combi HR -ZGC And 22 in 23 And 3) 22 in 23 N.V.T.
SHR Solar gas Combi II SHR -ZGC And 22 in 23 And, 1) 22 in 23 N.V.T.
XL-serie And 7 in 8 N.V.T. And 7 in 8
(1) Resistance cable between terminals 23 and 27.
(3) Resistance cable between terminals 22 and 27.
Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday
January,February,March,April,May,June,July,August,September,October,November,December
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