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AME 855 Electrical Actuator
Brand: DanfossActuator is primarily designed to regulate valve in the respond to the demand of a controller in district heating/cooling, heating, ventilation and air conditioning systems.
Actuator AME 855 can be controlled by electronic controllers with modulating or 3-point control output. Actuator can be used with VF3 valves (DN 200-300).
Features- 3-point or modulating control
- Easy to use manual operation ( monitoring on terminal R)
- Position indication
- LED signaling
- Direct or inverse function
- Automatic adaptation of stroke to valve's end positions which reduces commissioning time
- Voltage or current input Y
- Voltage or current output X (for current output, accessory is needed)
- Frost protection function (for detailed information read the Functions section in the data sheet)
- Blockage detection
- Internal temperature control – integrated heater + overheat protection
- Wire break detection (only modulating actuator)
- Selectable hysteresis
- Auto test function
- Auto pause function
- Potential-free position switches (accessory)
- Remote reset possibility
Specifications
Brand
Ambient Temperature Range
- -10° to 50° C (14° to 122° F)
Applications
- Air Conditioning Systems
- District Heating / Cooling
- Heating Systems
- Ventilation Systems
Approvals & Certifications
- CE Directive 2006/42/EC, Council Directive (2004/108/EC, 2006/95/EC)
Class
- Protection Class II
Consumption
- 50 VA at 24 V - Power Consumption
- 63 VA at 230 V - Power Consumption
Electrical Connectors
- Cable Gland
- M16 x 1.5
Environmental Protection
- IP54
Frequency
- 50/60 Hz
Function
- 3-Point Control Mode
- Auto Pause
- Auto Test
- Blockage Detection
- Frost Protection Function
- Hysteresis Setting
- Internal Temperature Control
- Modulating Control Mode
- Wire Break Detection
Indication
- Green LED
- Position Indicator
- Red LED
Input
- Control Input: 0-10 Vdc, 77 kiloohms
- Control Input: 0-20 mA, 510 ohms
- Control Input: 2-10 Vdc, 77 kiloohms
- Control Input: 4-20 mA, 510 ohms
Operation
- Mechanical Operation (Manual)
Output
- Control Output: 0-10 Vdc, ≥ 1,200 ohms, 8 mA Current, Max.
- Control Output: 0-20 mA, ≤ 500 ohms
- Control Output: 4-20 mA, ≤ 500 ohms
Power Supply
- 115/230 Vac, ± 10 %
- 24 Vac, ± 10 %
Process Temperature
- 130° C (266° F) Max.
Speed
- 2 sec/mm
Storage Temperature
- -20° to 65° C (-4° to 149° F)
Switch Type
- DIP Switches
- District heating/cooling
- Heating
- Ventilation
- Air conditioning system