Madas M16/RM N.A. Manual Del Usuario página 13

4.0 - MANUAL RESET
To reset the solenoid valve:
• Make sure the valve is NOT electrically powered;
• Close the flow downstream of the solenoid valve in order to balance the pressure between upstream and downstream when
opening;
• Pull the reset knob (17) slightly and wait a few seconds for the pressure upstream and downstream of the valve to stabilise;
• After balancing the pressures, pull the reset knob (17) until it connects.
NOTE: the green band (15), when visible, indicates that the valve plunger is open.
5.0 - 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 pressurized the system, check the seal 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 close the solenoid valve.
• Make sure the solenoid valve is closed by electrically connecting it.
5.1 - 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.
6.0 - MAINTENANCE
On completion of the operations described below, repeat the procedure indicated in paragraph 5.
If the coil and/or connector need to be replaced (see fig. 1 to 3):
• Before performing any operation, make sure that the device is not electrically powered;
NOTE: if the coil (4) needs to be changed following an electrical failure, we recommend changing the connector (3) as well.
The coil and/or connector replacement operations need to be carried out taking care to ensure the product's IP65 rating.
6.1 - REPLACING THE CONNECTOR
• Unscrew and remove the central screw (2), then remove the connector (3) from the coil (4);
• 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
6.2 - REPLACING THE COIL
• Unscrew and remove the central screw (2), then remove the connector (3) from the coil (4);
• Loosen the screw (5) that locks the coil (4) and take it out of the armature assembly (1) along with the gaskets/discs;
• Place the new coil + gaskets + discs inside the armature assembly (1) and secure with the relative screw;
• Couple the connector to the coil and secure it as indicated in 3.2;
• If it is necessary to set up the wiring, proceed as described in 3.2.
NOTE: No maintenance operations need to be carried out inside the device.
7.0 - 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 separately from other waste (WEEE directive 2012/19/EU)
and in compliance with the legislation in force in the country where this operation is performed.
Madas Technical Manual - REV. 0 of 10 Oct 2018
th
13
M16/RM N.A. - MBA/RM N.A.