First Start-Up; Transport, Storage And Disposal - Madas MN28 Manual Del Usuario

4.0 - FIRST START-UP

Before start-up make sure that:
• all of the instructions on the rating plate, including the direction of flow, are observed;
• After having gradually pressurised the system, check tightness and operation of the solenoid valve, electrically
powering / disconnecting the connector ONLY IF connected to the coil.
IMPORTANT NOTE: Do not use the connector as a switch to open/close the solenoid valve.
4.1 - RECOMMENDED PERIODIC CHECKS
• Use a suitable calibration tool to ensure the bolts are tightened as indicated in 3.2;
• Check tightness of the flanged/threaded connections on the system;
• Check tightness and operation of the solenoid valve;
It is the responsibility of the final user or installer to define the frequency of these checks based on the severity of the service
conditions.
5.0 - MAINTENANCE
No maintenance operations need to be carried out inside the device.
If the coil and/or connector need to be replaced:
• Before performing any operation, make sure that the device is not electrically powered;
• Make sure there is no pressurised fluid inside the device;
• Since the coil is also suitable to be permanently powered, coil heating in case of continuous operation is an entirely
normal phenomenon. It is advisable to avoid touching the coil with bare hands after a continuous power supply lasting
longer than 20 minutes. In case of maintenance, wait for the coil to cool down or, if necessary, use suitable protections;
NOTE: if the coil (1) needs to be changed following an electrical failure, we recommend changing the connector (2) as well.
The coil and/or connector replacement operations need to be carried out taking care to ensure the product's IP65 rating.
5.1 - REPLACING THE CONNECTOR
• Unscrew and remove the central screw (3), then remove the connector (2) from the coil (1);
• When you have taken out the existing internal electrical wiring, wire the new connector and secure it to the coil, as shown in 3.2;
5.2 - REPLACING THE COIL
• Unscrew and remove the central screw (3), then remove the connector (2) from the coil (1);
• Loosen the screw (12) that locks the coil (1) and take it out from the armature assembly (5) along with the seals/discs;
• Place the new coil + seals + discs inside the armature assembly (5) and secure with the relative screw;

6.0 - TRANSPORT, STORAGE AND DISPOSAL

• During transport the material needs to be handled with care, avoiding any impact or vibrations to the device;
• If the product has any surface treatments (ex. painting, cataphoresis, etc) it must not be damaged during transport;
• The transport and storage temperatures must observe the values provided on the rating plate;
• If the device is not installed immediately after delivery it must be correctly placed in storage in a dry and clean place;
• In humid facilities, it is necessary to use driers or heating to avoid condensation;
• At the end of its service life, the product is to be disposed of in compliance with the legislation in force in the country where
this operation is performed.
Madas Technical Manual - 8|8.1 - REV. 0 of 10
13
Oct 2018
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MN28