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Initial commissioning
Starting the air handling unit > Starting
6.3.9 Electrical system
Personnel:
Skilled qualified electrician
Protective equipment:
Protective clothing
Hearing protection
Industrial safety helmet
Protective gloves
Safety shoes
Before commissioning, the electrical system has to be
tested according to IEC 60364-6 (VDE 0100-600). As
part of this test, all contacts have to be checked for cor-
rect seating. This applies in particular to motor terminal
blocks, fuses, local isolators etc.
6.4 Starting the air handling unit
6.4.1 Before you start the AHU
Before you switch on the air handling unit, make sure
that the following requirements have been met:
Has the air handling unit been checked for damage?
Have the transport protection devices been
removed?
Have the filters been inserted?
Have all inspection access doors and openings
been closed?
Have all inspection access panels been closed?
Have all ducts in the AHU been connected?
Have the AHU and the connected ducts been tested
for any leaks?
Has the interior of the air handling unit been
cleaned?
Have all drain traps been filled with water?
Does the supply of power and of operating fluids
meet all requirements?
Has all the safety equipment been installed? Does it
work properly?
Have all the electrical connections been made and
secured according to the relevant national stand-
ards?
Has the heating coil/cooling coil been correctly con-
nected and filled?
Has the centrifugal fan been set up?
Have the multileaf dampers been set up?
Has the sound attenuator been set up?
Has the rotary heat exchanger been set up?
Has the run around coil system been correctly filled?
Has the plate heat exchanger been set up?
Are the environmental conditions for correct use
being met?
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6.4.2 Activating/deactivating the accesso-
Further information on this can be found in the X-
CUBE Control 2 operating instructions.
6.4.3 Starting
Personnel qualified to start the air handling unit
Only specially trained individuals must start the air han-
dling unit.
Follow the instructions in the operating manual for the
air handling unit.
If the unit is not fitted with integral controls, i.e. if the
controls have been supplied by others, follow the
instructions of the supplier.
Further information on this can be found in the X-
CUBE Control 2 operating instructions.
Air handling unit X-CUBE X2 compact 2
ries
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