EV224B 15-25B NC/NO

Danfoss EV224B 15-25B NC/NO Installation guide

  • Hello! I am an AI chatbot trained to assist you with the Danfoss EV224B 15-25B NC/NO Installation guide. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
  • What should be done to prepare the pipe system before installing the valve?
    Is it necessary to use a filter before the valve?
    How should the valve be mounted?
    How can the coil be replaced?
    What are the recommended media temperatures for the valve?
    What are the spare parts kits available for the valve?
    What is the maximum safe working pressure for the valve?
IC.PI.200.D3.02 / 520B4289
© Danfoss A/S 12-2010 (AC-AKC/bpv)
032R9350
032R9350
Instruction
EV224B 15-25B
Normally Closed/Normally open (NC/NO)
Types
Type EV224B 15, 20, 25B Normally Closed (NC)
Type EV224B 15, 20, 25B Normally Open(NO)
NC
NO
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.
Mounting the valve
1. Clean the pipe system before
mounting the valve.
2. Mount 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 ow.
4. Mount the valve as shown in
the pictures. The valve can be
mounted with a max. angle of
90° from upright position.
5. Use counterforce when tight-
ening up pipe connections,
i.e. use a spanner on both the
valve body as well as on the
pipe connector.
To be continued on page 2
Media temperature
Gasket materials Media Temperature
NBR Oil, water and air -10
o
F 60
o
F
© Danfoss A/S 12-2010 (AC-AKC/bpv)
IC.PI.200.D3.02 / 520B4289
2
Warning
6. The pipes on both sides of the
valve must be securely fastened.
7. Test the system.
Mounting the coil
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.
3. Mount the O-ring.
4. Mount the coil on the valve.
The coil must CLICK in order to
be positioned correctly.
Spare parts kit
Normally closed valves (NC)
Test pressure
MAX. 64 bar
Armature, O-rings, spring,
diaphragm, armature tube assembly.
Armature unit assembly, O-rings,
spring, diaphragm
EV224B 15 B G12 /
N NC 000 /
032UXXXX / WWY /
made in XXXXXXX
Safe working pressure
Types Pressure
EV220B 15,20 and 25B (NC/NO) 40 bar
Spare parts kit
Normally open valves (NO)
Valve type Seal material Code no.
EV224B 15B NBR 032U6156
EV224B 20B NBR 032U6158
EV224B 25B NBR 032U6160
Valve type Seal material Code no.
EV224B 15B NBR 032U6157
EV224B 20B NBR 032U6159
EV224B 25B NBR 032U6161
Pin
0.5 mm
Cleaning
/