Danfoss AME 655-1 Refrigeration Electrical Actuator Installation Guide

Danfoss AME 655-1 Refrigeration Electrical Actuator

Specifications:

• Actuator Types: AME 655-1, AME 658 SD-1, AME 658 SU-1, AME 685-1
• Stem Travel: AME 655-1: 2 or 6 s/mm, AME 658 SD-1/SU-1: 32 mm, AME 685-1: 32 mm
• Travel Speed: AME 655-1: 2 or 6 s/mm, AME 658 SD-1/SU-1: 4 or 6 s/mm, AME 685-1: 3 or 6 s/mm
• Maintenance: Maintenance-free
• Operating Conditions: 5-95% RH (non-condensing)

Product Usage Instructions

Installation:

1. Ensure to read all safety notes and instructions before assembly.
2. Identify the appropriate actuator type for your application.
3. Mount the actuator securely following manufacturer guidelines.

Operation:

1. Power on the actuator according to the specified power supply requirements.
2. Use the provided controller to set the desired parameters for stem travel and speed.
3. Monitor the LED indicators for operational status.

Maintenance:

1. Perform regular visual checks for any signs of wear or damage.
2. Keep the actuator clean and free from debris.
3. Follow any specific maintenance instructions provided by the manufacturer.

FAQ:

1. Q: What should I do if the LED indicators show an error mode?
   A: In case of an error mode indicated by the LEDs, check the power supply, reset the system if necessary, and review the stroke limitations for the retracted or extended stem positions.

2. Q: How can I adjust the travel speed of the actuator?
   A: To adjust the travel speed, use the provided controller to set the appropriate parameters for speed and travel distance based on your application requirements.

3. Q: Is it possible to manually retract or extend the stem in case of a power failure?
   A: Some models may have manual override options for emergency situations. Refer to the user manual for specific instructions on manual operation in such cases.

Safety Notes
To avoid personal injury and damage to devices, it is absolutely essential for these instructions and safety notes to be read carefully and reviewed prior to assembly and use.
Do not dismantle actuator with the safety spring function! There is risk of injury and death in the event of improper handling!
Switch off the pump and power line before mounting and wiring the actuator.
The actuator is heavy. Handle with care to avoid injury or product damage.

Wiring
Do not touch anything on the PCB! Do not remove the service cover before the power supply is fully switched off.
Max. allowed current output on terminals 4 and 5 is 4 A. Min. power is 3W.
NOTE: Only basic function as SW1 (Fast/Slow) and SW2 (INV/DIR) are active when is no power supply on terminal SP and AME actuator operated as AMV.

Actuator mounting to valve AME 655-1/ 658 SD-1/ 658 SU-1  1

Stem connections AME 658 SD-1/ AME 658 SU-1 2

AME 655-1

AME 658 SD-1

AME 658 SU-1

Actuator mounting to valve AME 685-1 3

Stem connections AME 685-1 ❹

Electrical connection 5

6 AME 655-1/658 SD-1/658 SU-1 & AME 685-1 operating as modulating version

8 AME 655/685-1 operating as 3-point version

DIP switch setting 6

SW1: FAST/SLOW – Speed selection ①

• FAST;
• SLOW;

SW2: DIR/INV – Direct or inverse acting selector ②

• DIR; the actuator is directly reacting to input signal
• INV; the actuator is inversely reacting to input signal

SW3: 2-10V/0-10V – Input/output ③

• 2-10V; the input signal ranges from 2-10 V (voltage input) or 4-20 mA (current input)
• 0-10V; the input signal ranges from 0-10 V (voltage input) or 0-20 mA (current input) Signal range selector sets Y & X signals.

SW4: LIN/MDF – Characteristic modification function ④

• LIN; linear correlation between Y signal and stem position
• MDF (Modified); enables modified correlation between Y signal and stem position. Degree of modification depends on setting of potentiometer CM.

The function enables to change MCV (Motorised Control Valve) characteristic (for example linear to logarithmic and logarithmic to linear) and works with all combinations of DIP switch settings.

SW5: 100 %/95 % – Stroke limitation ⑤
Adjustable stroke limitation of retracted or extended actuator stem position. DIP 5 needs to be reset prior to procedure (5.2) to 100 % (5.1) and set to 95 % (5.3) until the self-stroking procedure has concluded (5.4). Retracted icon (5.5) on actuator will blink red-yellow when actuator stops at max. retracted stem position (5.5) and will blink as long as it is not set to a new retracted position (5.6) by pressing buttons to set the required position (observe flow on flow meter). Press and hold reset button for 5 seconds (5.7) and then set new extended stem position by pressing buttons .
Extended icon (5.8) will blink red-yellow as long as it is not set to new extended position by pressing and holding reset button for 5 seconds.

SW6: C/P – Output signal mode selector ⑥
① An output signal is present on terminal 4  when the position of the actuator is equal to or lower than the S4 set point. An output signal is present on terminal 5 when the position of the actuator is equal to or higher than the S5 set point.

SW6: C; provides a constant output signal on
terminals 4&5, regardless of the input signal. SW6: P; provides a pulse signal through parallel or cascade electrical wiring input 1 & 3 dependents from the controller to output terminals 4&5.

SW7: Smart function selector: ⑦

• OFF; the actuator does not try to detect oscillations in the system
• ON; the actuator enables special anti- oscillation algorithm – In case control signal Y on certain point oscillates looking from time perspective, algorithm starts to lower the amplification of the output to the valve. Instead of having static characteristics actuator changes to dynamic characteristics. After the control signal does not oscillate anymore, output to the valve slowly returns back to static characteristics.

SW8: Uy/Iy – Input signal type selector: ⑧

• Uy; input signal Y is set to voltage (V)
• Iy; input signal Y is set to current (mA)

SW9: Ux/Ix – Output signal type selector:Ux; output signal X is set to voltage (V)

• Ux; output signal X is set to voltage (V)
• Ix; output signal X is set to current (mA)

NOTE: Y detection is disabled if SW8 is set to ON position and SW3 is set to OFF position.

Functions accessible from cover

RESET button
The actuators has an external RESET button, which is located on the top cover of the actuator next to the LED indicators. With this button you can enable or disable standby mode (press once) or self-stroking mode (press and hold for 5 seconds). See next paragraph for more details.

Final step of electrical connection ❼

LED signalisation 8

Calibration mode ❾

Calibration mode begins automatically the first time the actuator is powered on. To start the self-stroking procedure, press and hold the RESET button for 5 seconds ① until the green light starts flashing. End positions of the valve are automatically set and the actuator goes into stationary mode ② and starts responding to the control signal.

Manual Operation 10

Mechanical and electrical operation must not be used at the same time!
AME 655-1/658 SD-1/658 SU-1 and AME 685-1 actuators can be manually positioned when in standby mode or when there is no power supply (mechanically).

Stand-By mode
Press the RESET button ① to enter standby mode. The actuator stops in the current position and stops responding to any control signal. A red light remains constantly lit. You can now manually operate the actuator ②.

Mechanical manual operation
AME 655-1/658 SD-1/658 SU-1 and AME 685-1 actuators have a knob & crank on the top of the housing which enables manual positioning of the actuator.
Use Mechanical manual operation only when the power is disconnected. Mechanical and electrical operation are not allowed to be used at the
same time!

Electrical manual operation
AME 655-1/658 SD-1/658 SU-1 and AME 685-1 actuators have two buttons on the top of the housing that are used for electrical manual positioning (up or down) if the actuator is in standby mode. First, press and hold the RESET button ① until the actuator goes to standby mode (red LED is lit). By pressing the button, the stem will be extended and by pressing the button, the stem will be retracted.

The following information is provided on the device or on the instruction manual or datasheet:

• Purpose of control: Electrical Actuator
• Construction of control: Independently Mounted Control
• Method of mounting control
• Type 1 Action
• Pollution Degree 3
• Impulse Voltage: 500V
• Software Class A
• Mechanical and thermal ratings (ref to Ratings section for more details)
• “Use ½ inch flexible metal conduit for connection”
• “Use Listed Flexible Metal Conduit Fitting DWTT/7”
• “Use 60°C/75°C copper (CU) conductor and wire size range (#) AWG, stranded or solid”.
  “The terminal tightening torque of (#) Lb per In.” L)Torque value for Cover screw: 1.8 Nm.

Note (#): Values depend by field wiring ratings of terminal block employed on the device construction.

Motor
Bearing cover| X| O| O| O| O| O
Nut insert| X| O| O| O| O| O
| X| O| O| O| O| O
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 requirementw in GB/T 26572;

Danfoss A/S
Climate Solutions • danfoss.com • +45 7488 2222
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