OSTBERG HERU S Series User manual

HERU S, HERU T
INSTALLATION | EN
INSTALLATION | SE
INSTALLASJON | NO
Other languages in digital format can be downloaded at www.ostberg.com

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INSTALLATION | EN..........................................................5
INSTALLATION | SE ........................................................47
INSTALLASJON | NO ......................................................91

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The manufacturer cannot be held liable for injury and damage to people or property that are caused by incor-
rect installation, start up and/or incorrect use of the unit and/or failure to follow the processes and instructions
that are set out in the user manual ”Operation & maintenance”. For safety reasons it is essential to follow the
instructions in the user manual.
The warranty will be immediately invalidated in the event of injury that is caused by failure to follow the
instructions. Installation and commissioning must be performed by a professional in order for the warranty to
apply.
Shortcuts:
• Log in Settings menu: Enter code 1991.
• Log in Service menu: Enter code 1199.
• Download the latest firmware version: Firmware. FIRMWARE MODBUS
• Download complete Modbus register: Modbus.
• Download the app: HERU IQ App APPLE GOOGLE
• Download wiring diagrams via the links below.
• Links to product information www.ostberg.com
HERU S
HERU 100 S EC HERU 160 S EC HERU 200 S EC HERU 300 S EC
HERU T
HERU 100 T EC HERU 160 T EC HERU 200 T EC HERU 300 T EC

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EN | Table of Content
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Table of Content
1 Safety........................................................................................................6
Warnings ...................................................................................................................................6
General safety...........................................................................................................................6
Product label .............................................................................................................................7
Declaration of conformity........................................................................................................8
2 Transport and storage .............................................................................9
General......................................................................................................................................9
Checking the delivery...............................................................................................................9
3 Installation..............................................................................................10
3.1 Mounting principles .........................................................................................................11
3.2 Mounting distance ...........................................................................................................12
3.3 Charging the wireless display .........................................................................................13
3.4 HERU S...............................................................................................................................13
3.4.1 Dismounting the unit to reduce the weight when installing HERU S..................................13
3.4.2 Installation HERU S ...........................................................................................................15
3.4.3 Moving the electric heater for flow in the opposite direction HERU S................................17
3.4.4 Mounting the parts after installing HERU S .......................................................................18
3.5 HERU T...............................................................................................................................19
3.5.1 Dismounting the unit to reduce the weight when installing HERU T. .................................19
3.5.2 Installation HERU T ...........................................................................................................21
3.5.3 Mounting the parts after installing HERU T .......................................................................25
3.6 Connecting the unit to the power source ......................................................................27
3.7 Connecting Modbus to external control equipment .....................................................28
4 Final routines..........................................................................................29
5 Commissioning.......................................................................................30
5.1 Starting the HERU unit for the first time........................................................................30
5.2 Configuring the unit.........................................................................................................31
5.3 Adapting the unit for airflow in the opposite direction ...............................................32
5.4 Configuring the unit for Modbus....................................................................................32
6 Technical data.........................................................................................33
7 Select Menu overview...........................................................................35
8 Control diagram .....................................................................................41
9 Connections main board .......................................................................42
10 Configuration protocol for HERU S and HERU T................................44