Mazzoni 3.071.02.020, Руководство по эксплуатации и обслуживанию

Страница: 69 / 84

MAZZONI S.R.L.
Via Prati Vecchi 5, 42025 Cavriago (RE), Italy
Tel. +39 0522 575156 / 577793 - Fax +39 0522 575903
69
POMPE ALTA PRESSIONE
H.P. PLUNGER PUMPS
Manuale uso e manutenzione
Use and Maintenance Manual
4.3 ELECTRICAL PANEL CONNECTIONS
The operation must be carried out by qualified personnel.
The electrical panel is equipped with:
−
Main Switch
−
Electronic board
−
Thermal Protection
−
Capacitor
Regarding the electrical wiring of the pumps, refer to the SPECIFIC ANNEX ELECTRICAL
WIRING SCHEME FOR PUMPS with voltage of 220V or 400 V.
−
Be sure to connect the grounding cable.
−
Once the electrical connections are finished, close the panel making sure that the gaskets are
properly prepared.
−
Tighten all screws and cable gland.
4.3.1
PLUG CONNECTION FOR THREE-PHASE MACHINES
PLUG CONNECTION FOR THREE-PHASE MACHINES
Connection for three-phase machines 400V with 4-pin plug:
Pin M: yellow-green cable
Pin L1: black cable
Pin L2: brown cable
Pin L3: grey cable
Connection for three-phase machines 400V with 5-pin plug:
Pin M: yellow-green cable
Pin L1: black cable
Pin L2: brown cable
Pin L3: grey cable
Neutral Pin (N): No connection
To reverse the direction of rotation it is necessary to reverse the position of 2 power cables.
DANGER! The power supply circuit to this machine should include a residual current device
that is capable of breaking the power supply if the ground leakage current exceeds 30 mA for
30 ms. A ground connection is mandatory.
WARNING! The manufacturer assumes no responsibility for the proper functioning or longevity
of the machine if changes and / or adjustments are made that are not agreed in writing by the
company itself.