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General| Brand | Hansen |
|---|---|
| Model | HA4A |
| Category | Controller |
| Language | English |
Highlights the modular pilots, durable construction, and key functional components of the regulators.
Lists the diverse industrial and commercial refrigeration applications for these regulators.
Details refrigerant compatibility, operational options, and safety certifications.
Explains the benefits of modern design, advanced materials, and manufacturing techniques.
Emphasizes the importance of proper valve sizing for optimal performance and longevity.
Provides essential guidelines for correct installation, system preparation, and leak testing.
Modulates to control evaporator, condensing, or vessel pressure.
Controls outlet pressure by opening as downstream pressure falls below set point.
Regulates at set pressure when energized; closes when de-energized.
Control modules that open as inlet pressure rises.
Modules that open when pressure exceeds setting and reseat after operation.
Solenoid valve pilots that are normally closed and open when energized.
Explains how the regulator body and pilot modules interact to control flow.
Details how the standard regulator works and how to adjust its settings.
Explains how the outlet pressure regulator functions and is adjusted.
Details how pneumatic compensation affects operation and adjustment.
Explains motor compensation operation and how to adjust the regulator.
Provides measurement data for smaller regulator sizes.
Specifies dimensions for various control modules.
Provides measurement data for large regulator sizes.
Specifies dimensions for weld end connections.
Lists parts for various common control modules.
Lists parts for the M3O outlet pressure control module.
Lists components for AR1 and AR3 regulators in small sizes.
Lists components for piston and gasket kits for medium sizes.
Lists V-port/seat components for medium regulator sizes.
Lists components for piston and V-port/seat kits for large sizes.
Lists gasket kits, module parts, and related components for large sizes.
Lists common problems and their likely causes or solutions.
Step-by-step guide for servicing regulators and pilots.
Lists optional components like strainers, gauges, and pilot lights.
Provides conversion factors for units and refrigeration tons.
