Ewellix SCU 1, Installation, Operation And Maintenance Manual, Page: 28 / 52

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C ontro l unit - S CU
6.0 Installation and first operation
This chapter is intended for technicians and those involved
with further processing. It provides the information needed
to assemble, connect and start up the device.
Qualification (⮑ chapter 2.3.1 Qualifications).
Authorized personnel
• The installation and first start of operation may only be
conducted by qualified persons
• Work on the electrical system may only be performed by
trained professional electricians.
WARNING
Electric shock and moving parts hazards
Serious injury or death can be caused by touching live
electrically connected control units and by unexpected
movement of an actuator. Be sure the system’s power supply
is off and the actuators are locked out before installing the
operating elements and accessories.
WARNING
Danger if restarted
When correcting faults in the system, there is a risk of the energy
supply being switched on without authorization. This poses a
life-threatening hazard for persons in the danger zone (-> safety).
Therefore:
• Prior to starting work, switch off the system and be sure it is
locked out.
WARNING
Incorrect installation of optional devices
Risk of injury and device damage due to incorrect installation of
the optional devices.
Therefore:
• Optional devices, in particular components that are part of ret-
rofit, may only be installed in accordance with their respective in-
structions (circuit diagram).
WARNING
Installation adjacent to other equipment
The device should not he installed adjacent to or stacked with
other equipment. If adjacent or stacked is necessary the control
unit should be under observation (check functionality, operating
temperature) to verify normal operation in the configuration
which it will be used.
WARNING
Special precautions regarding EMC
The SCU control unit requires special precautions regarding
EMC requirements and must be installed and put into service in
the final application according to the EMC-information provided
in this manual in chapter 2.8.
6.1 Installation location
Adhere to the technical data in accordance with operating
conditions.
Install in a location according to the ambient operating con-
ditions and where the devices are not exposed to strong UV
radiation or corrosive or explosive air media.
(⮑ chapter 3.1 Operating conditions).
6.2 Inspections prior to
first operation
Perform an installation check before you start up the system
with operating devices for the first time.
• To be performed by a professional electrician
• Prior to first operation, a professional electrician must
perform and document the following tests and readings:
-
Visual condition check
-
Function check of operating features and safety features
-
Reading of leakage currents
-
Reading of insulation resistance.
6.3 Installation
Installation
The devices must be attached using the mounting holes
provided (⮑ chapter 11.2 Plans and diagrams).
The devices can be installed in the provided positions.
The installation of the device and connections are shown in
the following sections.
All points must be kept in mind as regards the installation of
the SCU control unit.
Make sure that:
• the mains plug of the connection cable remains accessible
at all times
• the mains, DC and rechargeable battery cables can not be
bent or squashed