Kessel 28701, Installation Manual, Page: 27 / 144

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Safety Instructions
General Safety Precautions
All local and international safety and accident prevention regulations must
be followed including any appropriate DIN and VDE norms and guidelines.
Personnel qualifications
Any personnel who will be installing, operating, inspecting or servicing this product must
be properly qualified. In case any personnel does not possess the necessary know-how,
this person must be fully trained.
Danger – Electrical Current
The system operates on electrical current. Noncompliance with the operating instructions
may result in considerable damage to property, personal injuries or even fatal accidents.
This unit should be completely disconnected from power before any work is undertaken.
The main power switch and the fuse should be turned off / disconnected and secured
against accidental reconnection. If only a fuse is available for disconnection, the fuse
must be clearly marked to avoid a third party from accidentally turning the fuse back on.
VDE 0100 must be followed when any electrical work is performed on the unit. The unit
must be supplied with an residual current device (RCD) with a 30mA rating. The control
unit is connected to power and should not be opened. Only qualified electricians should
conduct any work on this system. The definition of qualified electricians is defined in VDE
0105. All electrical cables must be in perfect operating order / condition. The system
should not be placed into operation or immediately disconnected from its power source
in the case that the cables or the control unit show any signs of damage. All cables
should be properly installed as to prevent a kink in the cable.
Burn risk for hands and fingers
The system can reach high temperatures during operation.