enervent eWind Series - Electrical Safety

7Installation instructions
EN
SAFETY
General
DANGER
DANGER: Before opening the service hatch,
always make sure that the unit’s supply voltage
is switched o.
WARNING
WARNING: In case of malfunction, always nd
out the cause for it before restarting the unit.
WARNING
WARNING: After switching o the unit
power, wait two (2) minutes before starting
maintenance work. Even though the power is
switched o, the fans continue spinning and the
after-heater coil remains hot for some time.
CAUTION
CAUTION: All ventilation units that come with
a water coil must be equipped with dampers to
avoid freezing of the coil during possible power
failure.
Electrical
DANGER
DANGER: Only a qualied electrician may
open the electrical box.
DANGER
DANGER: Follow the local regulations for
electrical installations.
CAUTION
CAUTION: Make sure that the unit is fully
detached from the electrical network before
carrying out voltage tests, insulation resistance
measuring or other electrical work or measuring.
This kind of work can cause damage to sensitive
electronic equipment.
CAUTION
CAUTION: Control equipment used in
ventilation units can cause leakage current.
This can aect the functionality of fault current
protection.
CAUTION
CAUTION: All ventilation units with a control
system must be equipped with over voltage
protection.