© 2016 OJ Electronics A/S
3
INSTRUCTIONS OJ-DV | General
1. Product presentation
OJ-DV is a range of controllers suitable for regulating the speed of an electric motor in a wide variety
of applications.
OJ-DV is highly versatile as it can control various motor types, including:
• ACIM - asynchronous induction motors
• PMSM - permanent magnet synchronous motors
• BLDC - brushless DC motors
2. Introduction
• Read this manual thoroughly and follow the instructions it contains before taking OJ-DV into use.
• This manual contains important information and should be used when installing, connecting and
commissioning the OJ-DV as well as during maintenance, service and troubleshooting.
• If the instructions contained in this manual are not observed, the liability of the supplier and the
warranty shall be voided (see also Section 6. Prohibition on use).
• Technical descriptions, drawings and figures must not be wholly or partly copied or disclosed to
third parties without the permission of the manufacturer.
• All rights are reserved if the product is included in patent rights or other form of registration.
3. Key to symbols
Particular attention should be paid to the sections in these instructions which are marked with
symbols and warnings.
Warning
3.1. This symbol is used where there is a risk of severe or fatal personal injury.
Caution
3.2. This symbol is used where potentially dangerous situations may result in minor or moderate personal
injury. The symbol is also used to warn against unsafe and hazardous conditions.
Note
3.3. This symbol is used to indicate important information and in situations which may result in serious
damage to equipment and property.
Warning
4. Ensuring safety before installation
4.1. OJ-DV must only be installed by qualified personnel or people who have received appropriate
training and have thus become qualified to install the product.
4.2. Qualified personnel have knowledge of the installation practices used and can perform installation in
accordance with relevant local and international requirements, laws and regulations.
4.3. Qualified personnel are familiar with the instructions and safety precautions described in this manual.
4.4. OJ-DV contains dangerous high voltage when connected to the mains.
4.5. Mains voltage must always be disconnected before any installation, service or maintenance tasks are
performed on the product.
4.6. When OJ-DV is connected to the mains, there is a risk that the motor could start unintentionally,
causing a risk of dangerous situations and personal injuries.
4.7. Unintentional start during programming, service or maintenance may result in serious injury or
damage to equipment and property.
4.8. The motor/fan can be started via an external input signal, Modbus or a connected control panel.
4.9. Before connecting mains voltage to OJ-DV, all OJ-DV, motor and fan components must be properly
fitted.
4.10. Before connecting mains voltage to OJ-DV, all openings, covers and cable glands must be properly
fitted and closed. Unused cable glands must be replaced with blank glands.
To Next Page
Loading...
Need help?
General
