Danfoss AMI 120 NL-1 Electric Actuator User Guide
- October 27, 2023
- Danfoss
Table of Contents
ENGINEERING
TOMORROW
Operating Guide
AMI 120 NL-1 / 73694420
AMI 120 NL-1 Electric Actuator
| Stem Travel | 5 mm |
|---|---|
| Travel Speed | 10 (12) s/mm |
Note: Direction of actuator stem movement is defined with jumper position. Look bottom chapter “Travel Direction”.
Jumper Position “A” (Factory Setting)
“On” at terminal block position “1”: Actuator drives up and valve opens,
optional terminal 4 closes. “Off” at terminal block position “1”: Actuator
drives down and valve closes, optional terminal 5 closes.
Jumper Position “B”
“On” at terminal block position “1”: Actuator drives down and valve closes,
optional terminal 4 closes. “Off” at terminal block position “1”: Actuator
drives up and valve opens, optional terminal 5 closes.
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
A
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.
Switch off power before wiring the actuator!
- 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 and terminal 5, which indicates actuator’s end position travel. Both contacts are normally open.
Jumper position setting
B
**** Do not remove the cover before the power supply is fully switched off.
- The Jumper is factory set in position “A” With the jumper in position “A”, an “ON” command at position 1 of the terminal block will cause the actuator spindle to extend (valve closes). An “OFF” command will cause thespindle to retract (valve opens)
- Moving the jumper to position “B” will reverse the actuator’s action With the jumper in position “B”, an “ON” command at position 1 of the terminal block will cause the actuator spindle to retract (valve opens). An “OFF” command will cause the spindle to extend (valve closes).
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 touts 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)
**** Do not use the manual override if power is connected!
- 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.
ІМПОРТЕР:
UA: ТОВ з ІІ «Данфосс ТОВ», вул. Вікентія Хвойки, 15/15/6, м. Київ, 04080,
Україна
Danfoss A/S
Climate Solutions • danfoss.com • +45 7488 2222
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