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A main switch or other means of disconnection, having a contact separation in all poles, must be incorporated in the fixed wiring in
accordance with relevant local laws and regulations. Switch off the power supply before making any connections. Use only copper wires.
Never squeeze bundled cables and make sure they do not come in contact with the piping and sharp edges. Make sure no external
pressure is applied to the terminal connections. All field wirings and components must be installed by a licensed electrician and must
comply with relevant local laws and regulations.
The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions given below.
Be sure to use a dedicated power supply. Never use a power supply shared by another appliance.
Be sure to establish a ground. Do not ground the unit to a utility pipe, surge protector, or telephone ground. Incomplete grounding may
cause electrical shock.
Be sure to install a ground fault circuit interrupter (30 mA). Failure to do it may cause electrical shock.
Be sure to install the required fuses or circuit breakers.
6.1.1 Precautions on electrical wiring work
The ground fault circuit interrupter must be a high-speed type breaker of 30 mA (<0.1 s).
•
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.
6.1 Field wiring
WARNING
NOTE
6 OVERVIEW OF THE UNIT
Содержание DA-HP-16-230
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