Installation and maintenance manual
H.I.B Hydac International Page 14 of 36
Version: G/DV
Date: 11.01.2023
5.2.4 Residual risks of electric system/electronics
Design-based, avoidance of sharp
edges and corners
Negligent behaviour, quality
of sheet metal and
purchased parts
Stability against falling
off, breaking off
Design-based, prescribed distancing
and regulations are observed.
Design-based, mechanical
components and other purchased
parts are used on basis of suitability
and specification.
Part error, installation error
Training and instruction,
earthing/protective conductor, secure
covering, use of warning signs
During inspection and
service work, it may be
necessary to work on live
parts.
Live components,
controller in faulty
condition
Training and instruction,
earthing/protective conductor
During inspection and
service work, it may be
necessary to work on live
parts.
Live equipment, faulty
condition
Design-based, coordination between
the grid form, the earthing system and
the fuses, warning signs, electrical
inspections
During inspection and
service work, it may be
necessary to work on live
parts.
Live components,
sensors, faulty condition
Design-based, safety extra-low
voltage, qualified personnel
Short circuit or overload
Design-based, overload protection,
earthing, warning signs
Negligent behaviour
Misuse
5.3 Safety instructions
5.3.1 When removing housings
The device should be disconnected from the
It is possible that the copper wires and the compressor will still have hot surfaces even when
the device is disconnected from the mains
You should check whether the fan has stopped turning. If this is the case, then the repairs
and maintenance may be carried out.
Any guard preventing accidental contact of moving parts must not be removed when the
chiller / unit is running. Take appropriate steps to preclude any hazard by electric power.
Affixed on the packaging instructions for transport and storage must be observed!
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