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Bosch AGS20-2 Manual

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2 | Table of contents
AGS10-2, AGS10E-2, AGS20-2, AGS50-26 720 811 270 (2015/04)
Table of contents
1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 2
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Information on the solar pump station . . . . . . . . . . . . . . . . . . . . 3
2.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Determined use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Components and technical documentation . . . . . . . . . . . 5
2.4 EC Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Scope of Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.6 Other equipment required . . . . . . . . . . . . . . . . . . . . . . . . 6
2.7 Air vent valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Installing pipework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 General information regarding pipework . . . . . . . . . . . . . 7
4.2 Laying pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Installing the solar pump station . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1 Layout of the installation space . . . . . . . . . . . . . . . . . . . . 9
5.2 Mounting the solar pump station . . . . . . . . . . . . . . . . . . . 9
5.3 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.4 Installing the safety assembly . . . . . . . . . . . . . . . . . . . . 10
5.5 Connecting the expansion vessel and pre-cooling
vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.6 Connecting pipework and pressure relief valve
discharge pipe to the solar pump station . . . . . . . . . . . 11
5.7 Installing temperature sensors . . . . . . . . . . . . . . . . . . . 12
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.1 Use of heat transfer fluid . . . . . . . . . . . . . . . . . . . . . . . . 12
6.2 Purging and filling with a hand pump (air vent on roof) 12
6.3 Setting the flow rate . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.4 Completion of work . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8 Commissioning, inspection and maintenance reports . . . . 18
9 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
1 Key to symbols and safety instructions
1.1 Key to symbols
Warnings
The following keywords are defined and can be used in this document:
• NOTICE indicates a situation that could result in damage to property
or equipment.
• CAUTION indicates a situation that could result in minor to medium
injury.
• WARNING indicates a situation that could result in severe injury or
death.
• DANGER indicates a situation that will result in severe injury or death.
Important information
Additional symbols
1.2 General safety instructions
Mounting
Installation and maintenance must only be carried out by an approved
contractor.
▶ Please read these instructions carefully.
▶ Never modify components.
▶ Replace faulty parts immediately. Use only original spare parts.
▶ To limit the temperature at the tap to a maximum of 60 °C, install a
DHW mixer.
▶ Only use materials which are glycol resistant and which can withstand
temperatures of up to 150 °C.
Electrical work
▶ Ensure that electrical work is only carried out by authorised
electricians.
▶ Ensure that an isolator compliant with EN 60335-1 for disconnecting
all poles from the power supply is fitted.
If you wish to open the solar pump station:
▶ Disconnect the solar pump station from the power supply.
Warnings in this document are identified by a warning
triangle printed against a grey background.
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.
This symbol indicates important information where
there is no risk to people or property.
Symbol Explanation
▶ Step in an action sequence
Cross-reference to another part of the document
• List entry
– List entry (second level)
Table 1
2 …


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