Azel SP-83 3 Zone Pump / Circulator Control (Swtching Relay)

Manufacturer Part Number: SP-83

The Azel SP-83 3-zone circulator pump controller is designed for use with low voltage thermostats or other low voltage controllers featuring an SPST (single-pole, single-throw) switching action. This controller allows for the intermediate switching of up to three circulators and a boiler operating control within a multi-zone hydronic heating system. The Intelligent Linking System (i-Link) enables unlimited zone expansion by integrating additional i-Link controllers.

It includes a field-selectable priority feature with a timer to prevent freeze-ups in case of priority zone failure. The unit is equipped with unique power surge protection to safeguard the system and ensure continuous operation. It features EZ screwless terminal blocks for easy thermostat connections, and LED indicators on the front panel for straightforward functional status monitoring and troubleshooting. Additionally, a system circulator is activated whenever any zone demands heat.

Key Features

• Universal thermostat compatibility
• Priority timer for protection of a priority zone malfunction and prevention of freeze-ups
• Capable of turning on extra system circulator
• Power surge protection
• Fuse protection

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