Danfoss EV224B 15-25B NC/NO Installation guide

EV224B 15-25B NC/NO
Danfoss
Brand
Danfoss
Model
EV224B 15-25B NC/NO
Type
Installation guide

Danfoss EV224B 15-25B NC/NO valves are versatile and reliable devices designed for controlling the flow of oil, water, and air. With a temperature range of -10°C to 60°C, these valves are suitable for various applications. The NBR gasket material ensures compatibility with a wide range of media. Installation is straightforward, and the valves can be mounted in any position except upside down. The coils are easily replaceable, allowing for quick maintenance. The valves are pressure tested to 64 bar, ensuring safe operation.

Danfoss EV224B 15-25B NC/NO valves are versatile and reliable devices designed for controlling the flow of oil, water, and air. With a temperature range of -10°C to 60°C, these valves are suitable for various applications. The NBR gasket material ensures compatibility with a wide range of media. Installation is straightforward, and the valves can be mounted in any position except upside down. The coils are easily replaceable, allowing for quick maintenance. The valves are pressure tested to 64 bar, ensuring safe operation.

1 IC.PI.200.D2.02 - 520B2653 © Danfoss 06/2006 AC-DSL/frz
Instruction
EV224B 15-25B
Normally Closed/ Normally open (NC/NO)
To be continued on page 2
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.
NC NO
Types
Type EV224B 15, 20, 25B Normally Closed (NC)
Type EV224B 15, 20, 25B Normally Open(NO)
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.
4.Mount the valve as shown in the pictures. The valve
can be mounted with a angle of 90
o
from upright
position.
Media temperature
Gasket materials Media Temperature
NBR Oil, water and air -10
o
C → 60
o
C
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
and cover must point in the
direction of the fl ow
032R9350
032R9350
2 IC.PI.200.D2.02 - 520B2653 © Danfoss 06/2006 AC-DSL/frz
Warning
Spare parts kit
Normally Closed valves (NC)
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.
Spare parts kit
Normally open valves (NO)
Test pressure
MAX. 64 bar
Armature, O-rings, spring,
diaphragm, armature tube
assembly.
4.Mount the coil on the valve.
The coil must CLICK in order
to be positioned correctly.
3.Mount the O-ring.
ValveType Seal material Code no.
EV224B 15B NBR 032U6156
EV224B 20B NBR 032U6158
EV224B 25B NBR 032U6160
Types Pressure
EV220B 15,20 and 25B (NC/NO) 40 bar
Safe working pressure
ValveType Seal material Code no.
EV224B 15B NBR 032U6157
EV224B 20B NBR 032U6159
EV224B 25B NBR 032U6161
Armature unit assembly,
O-rings, spring,
diaphragm
Pin
0.5 mm
Cleaning
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  • Page 2 2

Danfoss EV224B 15-25B NC/NO Installation guide

EV224B 15-25B NC/NO
Danfoss
Brand
Danfoss
Model
EV224B 15-25B NC/NO
Type
Installation guide

Danfoss EV224B 15-25B NC/NO valves are versatile and reliable devices designed for controlling the flow of oil, water, and air. With a temperature range of -10°C to 60°C, these valves are suitable for various applications. The NBR gasket material ensures compatibility with a wide range of media. Installation is straightforward, and the valves can be mounted in any position except upside down. The coils are easily replaceable, allowing for quick maintenance. The valves are pressure tested to 64 bar, ensuring safe operation.

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