3. Installation and Wiring
3-1
Chapter 3 – Installation and Wiring
Be sure to check mechanical and electrical installation environment before you
start the inverter. Read through the checking list below. Be sure to read through
the Caution for Safety on this User's Manual prior to the operation of inverter.
Checking List
Mechanical Installation Checking List
Be sure to check the surrounding environment is allowed for operation. (Read
through the ‘Caution on Installation’)
Inverter is a heat-generating device. Be sure to sufficiently secure the
surrounding space to prevent thermal saturation phenomenon.
Be sure to check air is circulated in a normal condition.
Be sure to check motor and drive system are ready to start.
Electrical Installation Checking List
Make sure that the protective grounding is properly done.
Replace the condenser with new one if it lasted longer than two years.
Set the input voltage to the nominal input voltage of the inverter.
Check if the input voltage connected with R, S, T and then fasten them tightly
using an accurate torque wrench.
Check if input power fuse and circuit breaker are properly installed.
Install the motor cable away from the other cable.
Check if the ext. input/output is properly connected.
Check if the input voltage is properly connected with the output terminal of
inverter.
This chapter describes general items for the installation and wiring of an
inverter and includes instruction for wiring to power terminal and control
one and caution in case of wiring, and also explains the function of each
terminal for both power and control.
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