Vivax HPS-120HM155AERI/I1s, User Manual

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ENG
VIVAX
23
Precautions on electrical wiring work

Fix cables so that cables do not make contact with the pipes (especially on the high
pressure side).

Secure the electrical wiring with cable ties as shown in figure so that it does not
come in contact with the piping, particularly on the high ‐ pressure side.

Make sure no external pressure is applied to the terminal connectors.

When installing the ground fault circuit interrupter make sure that it is compatible
with the inverter (resistant to high frequency electrical noise) to avoid
unnecessary opening of the ground fault circuit interrupter.
:

This unit is equipped with an inverter. Installing a phase advancing capacitor not
only will reduce the power factor improvement effect, but also may cause
abnormal heating of the capacitor due to high ‐ frequency waves. Never install a
phase advancing capacitor as it could lead to an accident.

Precautions on wiring of power supply

Use a round crimp ‐ style terminal for connection to the power supply terminal
board. In case it cannot be used due to unavoidable reasons, be sure to observe
the following instructions.
- Do not connect different gauge wires to the same power supply terminal.
(Loose connections may cause overheating.)
- When connecting wires of the same gauge, connect them according to the
figure below.

Use the correct screwdriver to tighten the terminal screws. Small screwdrivers can
damage the screw head and prevent appropriate tightening.

Over ‐ tightening the terminal screws can damage the screws.

Attach a ground fault circuit interrupter and fuse to the power supply line.

In wiring, make certain that prescribed wires are used, carry out complete
connections, and fix the wires so that outside force cannot affect the terminals
NOTE
The ground fault circuit interrupter must be a high ‐ speed type breaker of 30 mA
(<0.1s)