Danfoss EV250B NPT Installation guide

Type
Installation guide
Types
Type EV250B 10 - 12 - 18 - 22 Normally Closed (NC)
Media temperature
Gasket materials Media Temperature
EPDM Water / Steam -22
o
F 248
o
F
FKM
Oil / Inert gas incl air
+32
o
F 212
o
F
Coils
Coils Code no.
Junction
Box
Conduit
hub
24 V ac, 50 / 60 Hz 018F7683 018F7693
110 V ac, 50 / 60 Hz
018F7682 018F7692
120 V ac, 60 Hz
208 - 240 V ac, 60 Hz
018F7681 018F7691
230 V ac, 50Hz
Max. ambient temperature 122
o
F (50
o
C)
Junction box
Conduit hub
Mounting the valve
1.Clean the pipe system
before mounting the valve
2.Mount fi lter in front of the
valve if there are impurities
in media
3.The arrow cast on the body
must point in the direction of
the fl ow
4.Mount the valve as shown in the pictures. The
valve can be mounted with a max. angle of 90
o
from
upright position.
5.Use counterforce when
tightening up pipe connec-
tions, i.e. use a spanner on
both the valve body as well
as on the pipe connector.
Coil replacement
1.Before removing the coil,
voltage must be
disconnected,otherwise
the coil will burn out
2.Use a screwdriver to lever
the coil from the armature.
1 IC.PI.200.K1.22 - 520B2307 © Danfoss 09/2005 IC-MC/frz
032R9330
032R9330
Instruction
EV250B
Normally Closed (NC)
To be continued on page 2
3.Mount the O-ring.
4.Mount the coil on the valve.
The coil must CLICK in order
to be positioned correctly.
Types Pressure
EV250B 10, 12, 18, 22 Normally Closed (NC)
145 psi
(10 bar)
Min. 0 psi 0 bar
Max.
145 psi
10 bar
O-ring, armature,
diaphragm assembled
Types Media Code no.
EV250B 10, 12
Water / Steam
032U5277
Oil and inert gas incl. air 032U5278
EV250B 18, 22
Water / Steam 032U5279
Oil and inert gas incl. air 032U5280
Warning
2 IC.PI.200.K1.22 - 520B2307 © Danfoss 09/2005 IC-MC/frz
Spare parts kit
Normally closed valves (NC)
Diff erential pressure
Safe working pressure
Mounting the coil
Note 1. Warning
Never switch on power to the coil
when the coil is dismounted from
the valve. Otherwise the coil may
be damaged and there is risk of
injuries and burns.
2.Mount the label on the coil
and put the armature tube
label over the tube.
6.The pipes on both sides of
the valve must be securely
fastened.
7.Test the system
Maximum pressure is 290 psi
(20bar).
Test pressure
MAX. 290psi
(20 bar)
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Danfoss EV250B NPT Installation guide

Type
Installation guide

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