Danfoss EVR 2 User manual

© Danfoss | DCS (rm) | 2020.11
032R9602 032R9602
3
-40 0
Bar
°C
45.2 bar
49 bar
32 bar
Installation guide
Solenoid valve
Types EVR 2 – EVR 22 (Version 2)
AN238486497127en-000704 | 1
Max. 700 °C / 1300 °F
NC solder NC flare NC flange NO solder
Note:
tube design
Refrigerants
R1234yf, R1234ze(E), R125, R134a, R152a, R22, R290, R32, R404A, R407C,
R407F, R407H, R410A, R413A, R417A, R422A, R422B, R422D, R438A,
R422A, R422B, R422D, R438A, R442A, R444B, R447A, R447B, R448A,
R449A, R449B, R450A, R452A, R452B, R454A, R454B, R454C, R455A,
R463A, R507A, R512A, R513A, R513B, R515A, R515B, R516A, R600, R600a.
For complete list of approved refrigerants, visit https://store.danfoss.com
and search for individual code numbers, where refrigerants are listed as
part of technical data.
Note
Pick up valves carefully from package.
Filter
Filter drier is always recommended in customer system.
The EVR 2 – EVR 22 with solder connections and without manual stem
is validated in accordance to ATEX, ISO 5149, IEC 60335-2-24,
IEC 60335-2-40, and UL. Ignition risk is evaluated in accordance to
ISO 5149, and IEC 60335.
NOTE 1: EVR 2-15 flare connections are only approved for A1 and A2L
refrigerants.
NOTE 2: Excluded from this EVR 22 with connections 1 3/8 inch /
35 mm related to PED requirements.
Special note for R1234yf, R1234ze, R152A, R290, R32, R444B,
R452B, R454A, R454B, R454C, R455A, R516A, R600 and
R600a:
Max. working pressure
EVR solder and flare connections: 45.2 bar.
EVR flange connections: 32 bar.
EVR PED version: 49 bar.
(Approved max. working pressure is marked on the armature tube)
Note
Avoid reverse flow in EVR (except EVRC) to avoid unstable
function or long term damage of valve.
Max. working pressure in bar in relation to media temperature in °C.
Max. 100 °C / 211 °F
Media temperature: -40 °C / -40 °F – 105 °C / 221 °F Max. opening diff. pressure (MOPD): Coil dependent
Mounting
Soldering Flare
Mounting angle
317R
Danfoss A/S 6430 Nordborg Denmark
General-Purpose Valve consists of
Body EVR 6 NC 032L1212
AND COIL BJ OR BX
TS: -40 °C/+105 °C (-40 °F/+221 °F)
MOPD: 38 bar / 550psi
PS (UL): 45.2 bar / SWP 655 psi
PS (PED): 49 bar
MADE IN DENMARK BR20 366E
Type BJ120CS
MADE IN DENMARK
Spare part no.
To be used with listed valve body
EVR•
EVRH •EVRC•EVRP•EV2xx series
AKV•AKVA
See armature tube or label
018F4110
110-120V 60Hz 15W
110V 50Hz 16W
ID Marking - example
Valve identification and reference to UL
listed coils
Always disconnect power from the coil
when dismounted from the valve. The
coil may be damaged and there is risk of
injuries and burns.
Coil print
Danfoss
32F905.10
B
A
Danfoss
68F815.10
Click!
Off
O-ring
mandatory
Click!
Recommended
to reduce
vibrations, not
required for sealing
The EVR 2 – EVR 22 with solder connections and without manual stem can be applied on systems with R1234yf, R1234ze, R152A, R290, R32,
R444B, R452B, R454A, R454B, R454C, R455A, R516A, R600 and R600a as the working fluid. EVR 2-15 flare connections are only approved for
A1 and A2L refrigerants. . For countries where safety standards are not an indispensable part of the safety system Danfoss recommend the
installer to get a third party approval of the system containing flammable refrigerant. Note, please follow specific selection criteria stated in the
datasheet for these particular refrigerants.

© Danfoss | DCS (rm) | 2020.11
A
B
A
B
Special for EVR 4 – EVR 8:
Dismounting gasket and supporting ring
Mounting of support washer
Caution!
For EVR 2 – EVR 3, and EVR 10 – EVR 22, a screwdriver might be needed
for removal of the gasket. Be careful not to scratch the gasket surface.
Danfoss 32F966.10
1
3
4
2
1
3
4
2
Danfoss 32F965.10
Mounting / dismounting of top part
EVR 2 – EVR 8
Type [Nm] [kpm] [ft-lbs] Torx size
EVR 2, EVR 3,
EVR 4, EVR 6, EVR 8 3.0 0.3 2.2 T15
Type [Nm] [kpm] [ft-lbs] Torx size
EVR 10, EVR 15, EVR 18 10 17.4 T30
EVR 20, EVR 22 30 322.1 T45
Note!
Always use
cross-tightening
Note!
Always use
cross-tightening
Mounting / dismounting of top part
EVR 10 – EVR 22
AN238486497127en-000704 | 2
EVR 2 – EVR 3 (NC) EVR 4 – EVR 8 (NC) EVR 10 – EVR 22 (NC) EVR 4 – EVR 8 (NO) EVR 10 – EVR 20 (NO)
Disassembly and assembly of EVR version 2
Manual operation for pressure testing and service related operation:
Only use the manual stem operation of the EVR NC valve during initial pressure testing of the refrigeration system or during service related
manual operation. Remove the protective cap and rotate the manual stem clockwise approx. 6 cycles from fully closed to fully open
position. After the manual operation is completed, ensure to rotate the manual stem counter-clockwise back to fully closed position and
re-mount the protective cap before connecting the valve to automatic operation. MOPD for the manual operation function is 5 bar.
Alternatively, all EVR NC and NO valves can be manually operated by removing the coil and force the valve open or closed by using a
solenoid valve tester (permanent magnet).