Commissioning - Honeywell SmartVFD HVAC MR4 User Manual

C
OMMISSIONING
5. C
OMMISSIONING
Before commissioning, note the following directions and warnings:
Internal components and circuit boards of the drive (except for the galvanically
isolated I/O terminals) are live when it is connected to mains potential. Coming
into contact with this voltage is extremely dangerous and may cause death
or severe injury.
The motor terminals U, V, W and the brake resistor terminals B-/B+ are live
when the drive is connected to mains, even if the motor is not running.
The control I/O-terminals are isolated from the mains potential. However, the
relay outputs and other I/O-terminals may have a dangerous control voltage
present even when the drive is disconnected from mains.
Do not make any connections to or from the drive when it is connected to the
mains.
After disconnecting the drive from the mains, wait until the fan stops and the
indicators on the keypad go out (if no keypad is attached see the indicators on
the cover). Wait 5 more minutes before doing any work on the connections of the
drive. Do not open the cover before this time has expired. After expiration of this
time, use a measuring equipment to absolutely ensure that no voltage is present.
Always ensure abscence of voltage before electrical work!
Before connecting the frequency converter to mains make sure that the front
and cable covers of the drive are closed.
Honeywell
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