The Barber Colman MP-5410, now part of Schneider Electric’s product line, is an electronic positive positioning hydraulic actuator designed for proportional control of valves in HVAC systems. This actuator provides precise modulation and includes a spring return feature to ensure the valve returns to its normal position upon power interruption.
Technical Specifications
- Model: MP-5410
- Type: Electronic Positive Positioning Hydraulic Actuator
- Control Signal: Compatible with 2 to 15 Vdc input signals from Schneider Electric controllers
- Operating Span: Fixed at approximately 3 Vdc
- Start Point: Adjustable from 2 to 12 Vdc for paralleling or sequencing of actuators
- Input Impedance: 10,000 Ω or greater
- Power Input: 120 Vac, 50/60 Hz
- Power Consumption: 18 VA, 10 watts
- Stroke Length: Approximately 9/16 inch (14.3 mm) over a nominal 6 Vdc (fully retracted) to 9 Vdc (fully extended) input range
- Timing: 60 seconds to extend, 30 seconds to retract
- Spring Return Timing: 15 seconds upon power loss
- Torque Output: Refer to valve manufacturer’s specifications for compatibility
- Ambient Temperature Limits: Operating range from -20°F to 140°F (-29°C to 60°C)
- Humidity Range: 5 to 95% RH, non-condensing
- Housing: Die-cast lower housing with painted steel upper housing
- Mounting: Requires appropriate valve linkage kit (e.g., AV-600) for installation
Key Features
- Proportional Control: Enables accurate modulation of valve positions based on variable Vdc input signals
- Positive Positioning: Internal feedback circuitry ensures precise valve positioning in relation to the control signal
- Spring Return Mechanism: Returns the valve to its normal position upon power interruption, enhancing system safety
- Adjustable Start Point: Allows for customization of the actuator’s response range to suit specific application requirements
- Durable Construction: Robust housing materials ensure longevity and reliability in demanding environments
Compatible Components & Accessories
- Valve Linkage Kits: AV-600 for standard applications; AV-601 extension kit for hot water and steam applications
- Transformers: AM-610 nipple-mounted transformer for 120/208/240 Vac to 24 Vac conversion
- Tools: TOOL-12 wrench for auxiliary switch adjustment; TOOL-19 spring compression tool for AV-600 linkage
Industry Applications
- HVAC Systems: Provides precise control of valve positions in heating, ventilation, and air conditioning systems
- Building Automation: Integrates into automated systems for efficient environmental control in commercial and industrial buildings
- Energy Management: Enhances energy efficiency by enabling accurate modulation of heating and cooling processes
Installation & Maintenance Notes
- Mounting: Ensure adequate clearance above the actuator-valve assembly for installation and maintenance; follow specific mounting orientations for steam applications
- Wiring: Disconnect power supply before installation; make all connections in accordance with national and local electrical codes
- Adjustment: Utilize the start point adjuster to set the desired response range; refer to the installation manual for detailed instructions
- Inspection: Regularly inspect the actuator and linkage for signs of wear or damage; ensure proper operation through periodic testing
- Safety Precautions: Follow static electricity precautions during installation; avoid locations with excessive moisture, dust, or corrosive fumes
The Barber Colman MP-5410 actuator offers precise and reliable control for various HVAC applications, contributing to enhanced system performance and energy efficiency.
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