Danfoss FHM-CN5 Pre-Assembled 3-Way Mixing Shunt Installation Guide
- June 12, 2024
- Danfoss
Table of Contents
ENGINEERING TOMORROW
Installation Guide
FHM-CN5
Pre-assembled 3-Way Mixing Shunt
Installation overview
Installation procedure
The FHM-CN5 must be connected to a system according to the illustrations.
- Bend 1 is in package. Install bend 1 to the primary side pipe firstly. And then connect bend 1 and connector 2 together with torque of 30 to 40 Nm with enclosed O-ring. Finally, connector 2 to 3-way mixing valve must be tightened with a torque of 15 to 25 Nm with enclosed rubber gasket.
- Pre-mounted union nut 3 for connection to the secondary side pipe or directly on a Danfoss manifold. The nut 3 to mixing shunt must be tightened with a torque of 15 to 25 Nm with enclosed rubber gasket.
| A | Supply of primary side |
|---|---|
| B | Supply of secondary side |
| C | Return of secondary side |
| D | Return of primary side |
Tips
- If the primary side pipe is coming from the side, the bend 1 must be tightened with T-connection 4 with a torque of 30 to 40 Nm.
- Connection 5 are tightened from the factory.
Please double check the connection 5 during installation. Please tighten at a torque of 15 to 25 Nm if loosening or leaks occur due to transportation or moving.
| A | Supply of primary side |
|---|---|
| B | Supply of secondary side |
| C | Return of secondary side |
| D | Return of primary side |
RoHS compliance
| Part Name | Hazardous Substances Table |
|---|---|
| Pb | Hg |
| Pump | X |
| Brass parts | X |
O: Indicates that this hazardous substance contained in all of the homogeneous
material for this part is below the limit requirement in GB/T 26572.
X: Indicates that this hazardous substance contained in at least one of the
homogeneous material for this part is above the limit requirement in GB/T
26572.
Danfoss A/S
Climate Solutions • danfoss.com • +45 7488 2222
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© Danfoss I HydronicS I Sub-systems I 2023.07
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