Technical Data; Power Supply; Commissioning The Device; Operations Prior To Installation - Madas MN28 Manual Del Usuario

2.0 - TECHNICAL DATA

• Use
• Ambient temperature (TS)
• Supply voltages (see table 3)
• Power supply tolerance
• Electric wiring
• Absorbed power
• Maximum operating pressure
Connections
Rp DN 20 - Rp DN 25 - DN 25 FL
Rp DN 32 - Rp DN 40
Rp DN 50 - DN 32 FL - DN 40 FL - DN 50 FL
• Max. viscosity
• Protection rating
• Rp Threaded connections
• Flanged connections to be coupled with PN 16 flanges
• NPT threaded or ANSI 150 flanged connections
• In compliance with
* Only single-phase, the device does not work if powered with three-phase voltage.
** DN 25 with swivel flanges

3.0 - COMMISSIONING THE DEVICE

3.1 - OPERATIONS PRIOR TO INSTALLATION

• It is necessary to close the fluid upstream of the valve prior to installation;
• Make sure that the line pressure DOES NOT EXCEED the maximum pressure declared on the product label;
• Any protective caps (if any) must be removed prior to installation;
• Valve pipes and insides must be clear of any foreign bodies;
If the device is threaded:
• make sure that the pipe thread is not too long, to prevent damaging the body of the device when screwing it on;
If the device is flanged:
• make sure the inlet and outlet counter-flanges are perfectly coaxial and parallel in order to prevent unnecessary
mechanical stress to the body. Also calculate the space to insert the seal gasket;
• With regard to tightening operations, equip yourself with one or two calibrated torque wrenches or other controlled locking
tools;
Common procedures (threaded and flanged devices):
• With outdoor installation, it is advisable to provide a protective roof to prevent rain from damaging the electrical parts of
the device;
• Prior to carrying out any electrical wiring operations, make sure that the mains voltage matches the supply voltage indicated
on the product label;
• Cut out power prior to proceeding with wiring;
• If the solenoid valve is installed near other devices or as part of an assembly, compatibility between the solenoid
valve and this other device must be evaluated beforehand;
• Avoid installing the solenoid valve near surfaces that could be damaged by the coil temperature;
• Provide a protection against impacts or accidental contacts if the solenoid valve is accessible to unqualified
personnel.
MN28
: gasoil, naphta
: -5 ÷ +60 °C
: 24 Vdc - 24 V/50 Hz - 110 V/50-60 Hz - 230 V/50-60 Hz*
: -15% ... +10%
: cable gland M20x1,5
: see table 2
: see table below

Power supply

230 Vac, 110 Vac, 24 Vdc
24 Vac
230 Vac, 110 Vac, 24 Vdc, 24 Vac
230 Vac, 110 Vac, 24 Vdc
24 Vac
: 8 °E
: IP65
: (DN 20 - DN 25 - DN 32 - DN 40 - DN 50) according to EN 10226
: (DN 25** - DN 32 - DN 40 - DN 50) according to ISO 7005
: on request
: Directive PED 2014/68/EU - Directive EMC 2014/30/EU
Directive LVD 2014/35/EU - Directive RoHS II 2011/65/EU
10
Madas Technical Manual - 8|8.1 - REV. 0 of 10
P. max (bar)
8
6
8
8
4
Oct 2018
th