Bedienungsanleitung Bosch CR 50 (Seite 2 von 12) (Englisch)

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6720856748 (2016/03) CR50

2 | Key to symbols and safety instructions

1 Key to symbols and safety instructions

1.1 Explanation of symbols

Warning symbols

Keywords at the start of a warning indicate the type and

seriousness of the ensuing risk if measures to prevent the risk

are not taken.

The following keywords are defined and can be used in this

document:

DANGER:

DANGER indicates a situation that will result in severe injury or

death.

WARNING:

WARNING indicates a situation that could result in severe

injury or death.

CAUTION:

CAUTION indicates a situation that could result in minor to

medium injury.

NOTICE:

NOTICE indicates a situation that could result in damage to

property or equipment.

Important information

The info symbol indicates important information where there is

no risk to people or property.

1.2 General safety instructions

H Instructions for the target group

These operating instructions are intended for the heating

system user.

All instructions must be observed. Failure to comply with

instructions may result in material damage and personal injury,

including possible loss of life.

▶ Read and retain the operating instructions (heat source,

heating controller, etc.) prior to operation.

▶ Observe the safety instructions and warnings.

H Determined use

▶ Only use the product to control solar heating systems in

single-family homes or apartment buildings.

Any other use is considered inappropriate. We take no

responsibility for damage caused through incorrect use.

H Damage caused by frost

The solar system can freeze if it is switched off:

▶ Observe the notices regarding frost protection.

▶ Due to the additional functions, e.g. DHW heating or pump

anti-seizure protection, the system should always be left

on.

▶ Have faults rectified immediately.

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

The CR 50 user interface is a control unit without an outdoor

temperature sensor.

2.1 Product data for energy consumption

The specified product data correspond to the requirements of

the EU Regulation No. 811/2013 which supplements ErP

Directive 2010/30/EU. The class of the temperature controller

is required to calculate the central heating energy efficiency of

an integrated system and is for this reason incorporated into

the system data sheet.

Table 1 Product data with regard to energy efficiency of the

user interface

 Delivered condition

1) Classification of the user interface according to EU

Regulation 811/2013 for the labelling of system

packages

2) Contribution to seasonal energy efficiency for central

heating in %

Function of the CR 50 Class

[%]

1),2)

CR 50

Room temperature-

dependent, modulating

V 3.0 

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