Madas M16/RM N.C. Manuel page 15

• Reassemble the cover and secure it in its original position, being very careful not to "pinch" or damage the O-ring during tightening;
• Tighten the screws gradually, following a "cross" pattern, until the torque (tolerance -15%) indicated in the table below is
reached. Use a calibrated torque wrench to do this;
Screw
Galvanised
Max. torque (N.m) 6
• Check the body/cover seal;
NOTE: for internal inspections (see fig.1), it is recommended:
• also check the obturator's (11) integrity and, if necessary, replace the rubber seal (10);
• replace the seals before reassembling.
7.0 - CPI SWITCH
If the solenoid valve comes with CPI, the position of the micro switch is already calibrated and set, therefore, for operation you simply
need to connect it to the power supply. If it is supplied separately (as a kit), it must be installed on the solenoid valve and then calibrated.
In both cases, follow the instructions in 7.2.
7.1 - CPI SWITCH TECHNICAL DATA
• Ambient temperature
• Switchable voltage
• Switchable current
• Protection rating
7.2 - CPI SWITCH INSTALLATION and CALIBRATION
• black cable: common
• red cable: signal with micro switch not pressed
• white cable: signal with micro switch pressed
if the CPI kit is supplied separately, you must proceed as follows to install in on the solenoid valve:
DN 65 - DN 80 - DN 100 - DN 125 - DN 150 (see fig. 3):
• Loosen the fastening screw (24) inside the reset knob (1) and remove it;
• In the pin without the knob, insert the eccentric grub screw (22) with the larger part of the half moon on the left, and the new
knob supplied with the kit. The knob (1) must be inserted with the threaded hole facing up and making said threaded hole
match up with the pin hole. Secure the knob (1) by tightening and securing the grub screw (24) inside;
• Loosen the 2 screws (15) of the upper cover (25);
• Secure the upper cover (25) to the support bracket (21) of the micro switch using the 2 screws (15);
• Tighten or loosen the micro switch (27) for calibration so that when the solenoid valve is closed, the micro switch pin
(26) is pressed;
• Secure the micro switch (27) in that position by tightening the 2 threaded grub screws (20);
• The kit is now installed. Reset and close the solenoid valve (by cutting off the power) to make sure the microswitch is
signalling correctly. Repeat the operation 2-3 times;
• Position the cover of the knob (13) and secure it in that position with the screw (23).
DN 200 - DN 250 - DN 300 (see fig. 4):
• Use the knob (1), to insert the eccentric ring nut (22) with the larger part of the half moon on the left and the fastening
grub screw holes facing up;
• Secure the eccentric ring nut (22) by tightening the 2 grub screws (28);
• Loosen the 2 screws (15) of the upper cover (25);
• Secure the support bracket (21) of the micro switch (27) to the upper cover, using the screws (15);
• Tighten or loosen the micro switch (27) for calibration so that when the solenoid valve is closed, the micro switch's pin is pressed;
• Secure the micro switch (27) in that position by tightening the 2 threaded grub screws (20);
• The kit is now installed. Reset and close the solenoid valve (by cutting off the power) 2-3 times to make sure the microswitch
is signalling correctly;
• Position the cover of the knob (13) and secure it in that position with the screw (23).
Madas Technical Manual - 2|2.1c - REV. 0 of 10
M5 M6
Stain. Stain.
Galvanised
STEEL STEEL
4,5 10 7,5
: -20 ÷ +60 °C
: max 250 V (Vac)
: max 2 A
: IP67
May 2018
th
M8 M10
Stain.
Galvanised Galvanised
STEEL
25 18,5 49,5
15
M12
Stain. Stain.
Galvanised
STEEL STEEL
37 84,5 63,5
CPI electrical diagram
SPDT
M16/RM N.C.