The Johnson Controls V46AA-56C is a direct-acting, pressure-actuated modulating valve used to control refrigerant head pressure in water-cooled condensers. It operates from 100 to 300 psi and uses a 36″ capillary line with a 0.040″ ID for precise remote pressure sensing.
Technical Specifications
- Part Number: V46AA-56C
- Series: V46 Pressure-Actuated Modulating Valve
- Valve Type: Open on Rise (Commercial)
- Control Action: Direct-Acting
- Connection: 3/8″ NPT threaded
- Body Material: Cast Brass
- Maximum Opening Point: 100 to 300 psi
- Maximum Temperature: 170 °F (77 °C)
- Pressure Connection: 36″ Capillary, 0.040″ ID
Key Features and Functionality
- High Pressure Range: Operates from 100 to 300 psi for demanding systems.
- Precision Capillary Sensing: 0.040″ ID capillary supports stable remote response.
- Threaded Brass Body: 3/8″ NPT cast brass housing ensures system compatibility.
- Mounting Hole Placement: Bracket holes in Position 2 for fixed orientation.
- Bracket-Free Design: Ships without a mounting bracket, allowing for custom installations.
Compatible Components and Related Parts
- STT14A-600R, SEP91A-600R, SEC37A-601R1
Industry Applications
- HVAC Condensers: Modulates pressure in commercial water-cooled units.
- Refrigeration Systems: Controls condenser water flow by pressure.
- Cooling Equipment: Helps regulate fluid in closed-loop systems.
- Process Cooling: Supports accurate pressure control under load shifts.
Compliance and Approvals
- ISO 7 / DIN 2999-Rc
- ISO 228 / DIN 259-Rp
- Nominal specs meet Johnson Controls and industry standards
- Contact JCI for use outside rated conditions
Installation and Operational Notes
- Ensure the supply voltage matches the coil rating before powering up.
- Install with the coil upright to ensure stable performance.
- Keep media clean—flush lines to remove particulates.
- Stay within pressure and temperature limits at all times.
- Verify disc material is compatible with the intended media.
Series Information
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