Danfoss Type DCR Shell Filter Drier
Filter drier, shell
Refrigerants:
DCR Standard (A1, Group 2)
R1233zd, R134a, R407A, R407C, R407F, R407H, R410A, R422B,
R422D, R448A, R449A, R449B, R450A, R452A, R513A, R515B, etc.
For other refrigerants, please contact Danfoss representative.
Media Temperature: -40 – 70 °C / -40 – 160 °F
DCR/H (A2L, Group 1) – UL listed, for American market use only
R1234yf, R1234ze, R32, R444B, R452B, R454A, R454B, R454C, R455A, R457A, R516A, etc.
*Also compatible with DCR Standard Refrigerants.
DCRE (A3, A2L, Group 1) – PED approved
R1234yf, R1234ze, R32, R444B, R452B, R454A, R454B, R454C, R455A, R457A, R516A, R290, R600a, etc.
*Also compatible with DCR Standard Refrigerants.
Design
| Pos | Description |
| 1 | Plug for cover |
| 2 | Bolts for cover |
| 3 | Top cover |
| 4 | Spring |
| 5 | Top cover gasket |
| 6 | Wing nut (DCR) / Bolt (DCRE) |
| 7 | Lock washer |
| 8 | Top plate |
| 9 | Core felt gasket |
| 10 | Solid core |
| 11 | Core holder felt gasket |
| 12 | Core plate |
| 13 | Distance rod |
| 14 | Wire Mesh |
| 15 | Core holder |
| 16 | Hex Socket Head Screw |
| 17 | Shell |
DCR and DCR/H
DCR E
Inner taper of core always facing towards filter outlet. This apply for all DCR Families.
Installation
| Type | L minimum | Maximum working pressure PS / MWP [bar] / [psig] | |
| [mm] | [in] | ||
| DCR 048 DCR/H | 170 | 7 | 46 / 667 |
| DCR 096 DCR/H | 310 | 13 | 46 / 667 |
| DCR 144 DCR/H | 310 | 13 | 35 / 507 1 ) |
| 46 / 667 2 ) | |||
| DCR 192 DCR/H | 310 | 13 | 28 / 406 1 ) |
| 40 / 580 2 ) | |||
| DCRE 048 | 170 | 7 | 50 / 725 |
- For usage with strainer or as a receiver application
- For “drier” application using all the permissible cores
“The DCRE can only be use for A2L when the solid core is placed. DCRE is not allowed to be used as receiver.”
Brazing
Keep flames away from body
| Connector type | Brazing material |
| Copper | Min. 5 % Ag |
| Steel | Silver-flo 55 + Easy-flow flux |
Welding
Customer best practice will still be needed:
- Use wet wrap when installing.
- Braze the joints.
- Let them cool down.
- Clean the brazing /welding area after the installation (remove remaining flux with a brush).
- This is an important operation and needs to be done with great care to remove all remaining flux.
- Paint / Anti-corrosive needs to cover all open steel parts, areas where the black original paint has been burnt due to brazing and at least 3 cm approx of the copper.
- Paint the joints twice.
Do not install gasket before soldering.
Note: Confirm correct top cover Gasket is selected.
There are 2 gaskets:
- DCR and DCR/H
- DCRE
Recommendation:
Apply a small amount of oil to the gasket before assembly.
Preferably synthetic POE or PVE oil, although any general-purpose oil can be used.
Gasket
Note: Do not reuse the gasket
How to tighten the bolts
| DCR & DCRE | DCR/H |
 |
|
Optional Plug, recommended tightening torque:
Plug: 1/4” NPT: 50 Nm / 36.87 ft-lb applying 2 to 3 wraps of teflon tape.
The torque values mentioned only apply to bolts supplied by Danfoss.
| DCR M8-1.5 x 35mm A2-70 Hex head | DCRE M10-1.5 x 40mm A2-70 Hex head | DCR/H M8-1.5 x 35mm G12.9 Socket head | |
| Step 1 |
|
||
| Step 2 | 3 Nm / 2.21 ft lb | 5 Nm / 3.69 ft lb | 4 Nm / 2.95 ft lb |
| Step 3 | 10 Nm / 7.37 ft lb | 20 Nm / 14.75 ft lb | 13 Nm / 9.59 ft lb |
| Step 4 | 20 Nm / 14.75 ft lb | 35 Nm / 25.81 ft lb | 25 Nm / 18.44 ft lb |
| Step 5 | 28 Nm / 20.65 ft lb | 50 Nm / 36.88 ft lb | 35 Nm / 25.81 ft lb |
* Each step must be applied following the sequence of the image.
Customer Support
© Danfoss | Climate Solutions | 2024.05 AN164986434975en-000702 | 1
Documents / Resources
 |
Danfoss Type DCR Shell Filter Drier [pdf] Installation Guide Type DCR, Type DCR Shell Filter Drier, Shell Filter Drier, Filter Drier, Drier |
