Danfoss AMV 120 NL-1 Electric Drive Instruction Manual
- October 27, 2023
- Danfoss
Table of Contents
Danfoss AMV 120 NL-1 Electric Drive
Safety Notes
To avoid personal injury and damage to the device or other property, it is necessary to read and follow these instructions carefully. Assembly, start-up, and maintenance work must be performed by qualified and authorized personnel. Comply with the instructions of the system manufacturer or system operator.
Do not remove the cover before the power supply is switched off
Mounting Position
The actuator should be mounted with the valve stem in either a horizontal position or pointing upwards.
Wiring
AC 24 V: Connect via Class 2 (North America) or Safety Extra-Low Voltage (SELV) (Europe). Failure to comply can lead to equipment damage or personal injury.
- Make all wiring connections in accordance with local, national, or regional regulations.
- For applications requiring conduit, a field supplied 1/2” trade size electrician’s fitting and lock nut can be mounted in the actuator enclosure. Use flexible metallic tubing or its equivalent with the field supplied fitting.
- Insert wiring material through the removable plug or conduit fitting, and connect to the terminal block using the applicable wiring diagram ❷.
- Optionally, end position feedback is available on terminal 4 (stem down) and terminal 5 (stem up). Both contacts are normally open.
Installation
- Check the valve neck. The actuator should be in the full up position ① (factory setting). If it is not, refer to the manual override instructions and reposition the actuator to its full up position ❸①.
- The actuator is fixed to the valve body by means of a ribbed nut which requires no tools for mounting. The ribbed nut should be hand tightened only
Manual override
(for service purposes only)
- Remove cover ①
- Press and hold the button (on the bottom side of the actuator) ② during manual override ③
- Replace cover ④
- Install actuator on valve ⑤
Remark: A ‘click’ sound after energizing the actuator indicates that the gear wheel has jumped into normal position.
Don’t dismount the actuator from the valve when it is in a stem-down
position!
If dismounted in a stem-down position, there is a high risk that the actuator
gets stuck.
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