Danfoss EVR 25 Solenoid Valve Installation Guide
- August 17, 2024
- Danfoss
Table of Contents
Danfoss EVR 25 Solenoid Valve
Product Information
Specifications
- Product Name: Solenoid Valve Type EVR 25
- Max. Working Pressure: 500 psig (35 bar)
- Refrigerants: R22/R407C, R404A/R507, R410A, R134a, R407A, R23. For other refrigerants, please contact Danfoss.
- Max. Test Pressure: 650 psig (45 bar pe)
- Max. Opening Diff. Pressure (MOPD): a.c. 350 psig (24 bar pe) d.c. 205 psig (14 bar pe)
- Coil Specifications: 24 V, 60 Hz, 14 Watt
- Tightening Torques: A: 12 Nm, B: 50 Nm, C: 30 Nm
Product Usage Instructions
Mounting Position
The Solenoid Valve Type EVR 25 should be mounted in the following positions.
- Valve and coil
- EVR 25 Conduit boss
- Junction box
Installation Guide
- Ensure proper mounting positions as specified above.
- Follow the tightening torques for secure installation.
- Ensure wiring and fusing comply with local codes and ordinances.
- Never switch on power to the coil when dismounted from the valve.
Transformer Selection
Select the appropriate transformer based on the inrush and holding power requirements for the coil.
Frequently Asked Questions
Q: Can I use other refrigerants not listed in the manual?
A: For using refrigerants not listed in the manual, please contact Danfoss for guidance and compatibility information.
Q: What should I do if the coil is dismounted from the valve?
A: Never switch on power to the coil when it is dismounted from the valve to avoid damage and potential risks of injuries and burns.
Refrigerants
- R22/R407C, R404A/R507, R410A, R134a, R407A, R23.
- For other refrigerants, please contact Danfoss.
- Refrigerant temperature: Min. -40 °F (-40 °C) Max. 220 °F (105 °C)
- Max. working pressure: 500 psig (35 bar)
- Max. test pressure: 650 psig (45 bar pe)
- Max. opening diff. pressure (MOPD): a.c. 350 psig (24 bar pe) d.c. 205 psig (14 bar pe)
- Ambient temperature: Min. -40 °F (-40 °C) Max. 122 °F (50 °C)
Mounting position
Valve and coil
Soldering of copper connections
Identification of coil and valve
- Caution Wiring and fusing (when used) must comply with prevailing local and national wiring codes and ordinances.
- 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 a risk of injuries and burns.
Tightening torques
Transformer selection
| Coil | Inrush | Holding |
|---|---|---|
| [Volt-Amp] | [W] | [Volt-Amp] |
| 208 – 240 V | 50 Hz | 49 |
| 230 V | 50 Hz | 49 |
| 110 V | 50 – 60 Hz | 49 |
| 120 V | 60 Hz | 49 |
| 24 V | 50 – 60 Hz | 49 |
Valve and coil construction
Cut-away
DKRCC.PI.BB0.P4.22 / 520H8062 © Danfoss A/S (AC-MCI sw) 2013-08
Documents / Resources
|
Danfoss EVR 25 Solenoid
Valve
[pdf] Installation Guide
EVR 25, 032R9523, EVR 25 Solenoid Valve, EVR 25, Solenoid Valve, Valve
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