Bosch CH 120 Guide De Démarrage Rapide page 10

[en] General safety instructions
1 [en] General safety instructions
Notices for the target group
These instructions are intended for experts who are skilled in dealing with water
installations, heating and electrical engineering as well as the operator of the heating
system and ventilation unit.
▶ Comply with all instructions of the system components.
▶ Observe the safety instructions and warnings.
▶ Follow national and regional regulations, technical regulations and guidelines.
Failure to comply with instructions may result in material damage and personal
injury, including danger to life.
Intended use
▶ Use the product only to control the heating and ventilation units.
All other use is considered unsuitable. We accept no liability for damage caused
through incorrect use.
H Risk of scalding at the DHW draw-off points
▶ If DHW temperatures above 60 °C are set or if thermal disinfection is activated, a
mixer must be installed. If in doubt, ask your installer.
2 Product description
CH 120 is a user interface for controlling heating systems with conventional heat
generators (gas or oil boilers) or with a hybrid system. For hybrid systems, the
following components must be present:
• Heat pump
• Boiler
• Hybrid manager HM 210
• Wired control BUS system EMS 1/EMS 2
Heat pump, boiler, hybrid manager HM 210 and CH 120 must be connected via
EMS 1/EMS 2.
Maximum one heating circuit can be controlled using a CH 120.
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CH 120 – 6721890772 (2024/09)