Table Of Contents; Explanation Of Symbols And Safety Instructions; Explanation Of Symbols; General Safety Instructions - Bosch Compress 7400i AW Installer's Manual

Table of contents

Table of contents
1 Explanation of symbols and safety instructions . . . . . . . . . . . 2
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 2
2 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Water quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 Heat pump details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.3 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . 5
3.4 Type plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.5 Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.6 Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.6.1 Dimensions of heat pump models 5 OR, 7 OR . . . . . . . . 6
3.7 Clearances during setup . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Preparing for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Installation locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 For drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 Minimum volume and execution of the heating
system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1.1 Transport fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.2 Unpacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.3 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.4 Mounting method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.4.1 Assembly of the heat pump . . . . . . . . . . . . . . . . . . . . . . . 9
5.5 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.5.1 Pipework connections, general. . . . . . . . . . . . . . . . . . . . 9
5.5.2 Water connecting pipe. . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.5.3 Connection of heat pump to the indoor unit. . . . . . . . . 12
5.5.4 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.6 Installing side panels and cover. . . . . . . . . . . . . . . . . . . 14
6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7 Installation of accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.1 Heating cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8 Environmental protection and disposal . . . . . . . . . . . . . . . . . 18
9 Technical information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9.1 Specifications - heat pump (alternating current) . . . . 19
9.2 Operating range of heat pump without auxiliary
heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9.3 Refrigerant circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9.4 Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
9.4.1 Wiring diagram for transformer, alternating
current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
9.4.2 Wiring diagram for I/O module . . . . . . . . . . . . . . . . . . . 23
9.4.3 Measurements for temperature sensor . . . . . . . . . . . . 24
9.5 Information on refrigerant . . . . . . . . . . . . . . . . . . . . . . . 24
2
1

Explanation of symbols and safety instructions

1.1

Explanation of symbols

Warnings
In warnings, signal words at the beginning of a warning are used to
indicate the type and seriousness of the ensuing risk if measures for
minimizing danger are not taken.
The following signal words are defined and can be used in this document:
DANGER
DANGER indicates that severe or life-threatening personal injury will
occur.
WARNING
WARNING indicates that severe to life-threatening personal injury may
occur.
CAUTION
CAUTION indicates that minor to medium personal injury may occur.
NOTICE
NOTICE indicates that material damage may occur.
Important information
The info symbol indicates important information where there is no risk to
people or property.
Additional symbols
Symbol Meaning
▶ a step in an action sequence

a reference to a related part in the document
• a list entry
- a list entry (second level)
Table 1
1.2

General safety instructions

These installation instructions are intended for
plumbers, heating system installers and electricians.
▶ Read all installation instructions (heat pump,
control system etc) carefully before installation.
▶ Follow safety and warning instructions.
▶ Follow national and regional regulations, technical
regulations and guidelines.
▶ Document all work that has been performed.
H Intended operation
This heat pump is intended to be used in a closed
heating system for households. All other use is
considered unsuitable. Any damage that is caused by
such usage is excluded from liability.
Compress 7400i AW - 6721833372 (2021/09)