The Johnson Controls VA-4233-GGA-2 Electric Valve Actuator functions to precisely control hot and chilled water flow in HVAC systems. This product enable automatic valve control for air handling units and boilers and cooling systems which results in effective temperature management. The actuator provides dependable operation with smooth positioning abilities which improves system performance and energy efficiency. The product design feature durability and easy maintenance which helps decrease equipment downtime and enhances operational life. This product serve commercial and industrial need by optimizing heating and cooling operations and enhancing indoor comfort and automated HVAC system control. Functioning as vital part of building automation systems enables this to improve operational effectiveness.
The VA-4233-GGA-2 by Johnson Controls stands out as an efficient and reliable direct-mount electric actuator, specifically engineered for superior control of valves within HVAC systems. This cutting-edge device ensures precise regulation, enhancing overall performance in heating, ventilation, and air conditioning applications. Boasting a spring-return mechanism, the actuator provides a fail-safe operation, reverting to a predefined position in case of power failure. Its versatile design facilitates easy integration with a variety of valve types, offering flexibility in system configurations. Whether in commercial or residential settings, the VA-4233-GGA-2 Johnson Controls acutator guarantees optimal functionality, aligning with commitment to innovation and excellence in HVAC solutions. Elevate your control capabilities with this advanced actuator for enhanced environmental comfort and energy efficiency.
Key features:
Compact design: Fits in tight spaces and requires minimal installation time.
Durable: Built to withstand the demands of HVAC environments with a long cycle life.
Manual override: Allows for manual adjustment of the valve position even when powered off.
Integral auxiliary switches: Provides two auxiliary switches for additional control functions, like indicating end-stop positions or activating other equipment.
Minimum 61 lb force output: Delivers sufficient power to control various valve types effectively.
Wide range of compatibility: Works with 1/2 in. to 1-1/4 in. VG7000 Series Bronze Control Valves and select Invensys valves with mounting kits.
Easy calibration: Features an AUTO stroke calibration function for proportional control models, eliminating the need for manual adjustments.
Quiet operation: Minimizes noise disturbances in occupied spaces.
Signs of faulty Johnson Controls Acutator
Inconsistent flow or temperature: The valve doesn't open or close fully in response to the control signal, leading to fluctuations in airflow or water flow, and affecting room temperature or desired cooling/heating levels.
Leaking: Visible leaks around the valve stem or actuator body indicate internal component failure or improper sealing.
Valve fails to return to closed position on power loss: This poses a safety risk and could lead to uncontrolled flow.
Valve closes unexpectedly during operation: This disrupts system operation and prevents proper temperature or air quality control.
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