Traco SR506-2(4) 6-Zone Circulator Relay with Priority

Description

Overall, the Taco SR506-2(4) offers a compact, expandable, and multi-functional control solution for managing multiple zones and a circulator pump in hydronic heating systems. Its priority function, diagnostic lights, compatibility with various valve types, built-in transformer, and circulator relay make it a versatile choice for efficient and customizable temperature control.

Function:

• Manages water flow to 6 zones in a hydronic heating system, ensuring efficient zone-based temperature control.
• Activates and deactivates a circulator pump to maintain continuous water circulation when needed, optimizing system performance.
• Offers a switchable priority function for one zone, allowing it to take precedence over others when activated.

Key Features:

• 6-zone capacity (expandable): Suitable for small to medium multi-zone systems, with the option to add more zones using expansion modules.
• Switchable priority: Prioritizes one zone over others when needed, ensuring immediate comfort or addressing critical areas.
• External diagnostic lights: Facilitate troubleshooting by indicating system status and zone operation.
• Compact design: Optimizes space utilization in control panels.
• Compatible with various valve types: Works with 2-, 3-, or 4-wire zone valves for flexibility in system design.
• Built-in circulator relay: Eliminates the need for a separate relay to control the circulator pump, simplifying wiring and installation.
• Field-replaceable transformer: Facilitates easy maintenance if needed.
• Universal thermostat compatibility: Works with a wide range of thermostats.
• Fuse-protected: Ensures electrical safety.

Applications:

• Hydronic heating systems (radiant, baseboard, fan coil)
• Closed cooling circuits (zoned air conditioning)
• Hydronic heating and cooling systems (combined heating and cooling zones)

Things to Consider:

• System compatibility: Verify compatibility with your system’s voltage, control signals, and valve types.
• Installation complexity: While DIY installation is possible, consulting a qualified professional is recommended for optimal performance and safety.
• Expansion modules: If you need more than 6 zones, additional SR506-2(4) units will be required.