Rev. 1 02-2021
27
MTEC.IR.WU.GB-1 Use and Maintenance Manual IR.WU series English
Emibyte IR.WU
Water chilled Close Control Units
3.19 Electric connections: safety primary advices
The electronic connection must be made following the electrical diagram attached to the unit following the local
and international norms in force.
Ensure the power supply lise is sectioned upstream of it;
Ensure the sectioning device is locked and that on the drive handle is positioned the advice to not operate.
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The power supply cables must be protected upstream against the effect of short circuits and overloads by a suita-
ble device complying with the regulations and norms in force.
Ensure the cable supply section is suitable to the unit capacity and that safety devices taking into consideration all
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The electrical power supply must respect the mentioned limits otherwise the warranty will be immediately decay.
Make all the ground connections required by the legislation and norms in force.
Before to start any intervention on the unit ensure the power supply is disconnected.
The electrical line and unit external safety devices must be dimensioned in order to guarantee the power supply
tension to the maximum operation conditions, provided in the wiring diagram.
The electrical cabinet is located inside on the front of the unit where are placed also the cooling circuit components; for the access please
remove the frontal panel.
If any IT power supply is present the Manufacturer must release, after checking, the connection authorisation.