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Circulator Switching Relay Buy Page
Intelligent Linking Concept for Zone Control in Hydronic Heating Systems
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Azel Circulator Switching Relay SP-85
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The i-Link series multi-zone circulator switching relays simplify wiring for
hydronic heating (radiant floor heating) systems. With leading edge features and superior
product design, i-Link makes installation quick and easy.
Available in one to six zone models. The i-Link series are designed with
flexibility and multi-zone applications in mind. It is so flexible that different models can be
interconnected for unlimited zone expansion. In addition, i-Link provides far more
functional status than other models on the market today because of their front panel LED indicators
that provide the easy system diagnostics demanded by today's installers. Each unit is designed
with a unique power surge protection to ensure continuous control operation and avoid damage and
trouble to replace the unit.
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Selectable Priority with Protection Timer
Priority Protection timer available in two to six zone models prevents freeze-ups in the event
of a priority zone failure. SP-84, SP-85, SP-86 are equipped with field selectable priority by-pass
function to ensure continuous operation of secondary zones which allow maximum flexibility for
system applications.
From design to manufacture, each i-Link unit is built on the foundations of quality
and reliability. Azel products are quality controlled in order to achieve "total customer satisfaction"
- a foundation that you can rely on.
General Features:
- Front panel indicator lights
- Fuse protection
- Power surge protection
- Easy-Connect Terminals/Screwless Terminals for Thermostat Connections
- Compact and modern design
- Safety design with all electronic components hiding behind the enclosure
- Simplified wiring
- Universal Design: Cold Start or Tankless Coil Boiler
- Contractor friendly PCB layout
- High Capacity Transformer
- 24VAC transformer output with common terminal provides compatibility with electronic thermostat
- Universal thermostat compatibility
- 100% Factory Tested
- Extended 3 year warranty
Additional Features (SP-82 TO SP-86):
- Unlimited zone expansion
- Priority timer for protection of a priority zone malfunction and prevention of freeze-ups in the heating zones
- Field selectable priority
- Capable of turning on extra system circulator
- SP-84/85/86: Manual priority override(bypass) for each of the secondary zone
- Isolated End Switch
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Azel Circulator Switching Relay Manuals
Azel SP-81 Circulator Switching Relay Manual (81kb)
Azel SP-82/83/84/85/86 Circulator Switching Relay Manual (322kb)
Azel SP Switching Relay Brochure (2171kb)
Azel DST-777S One Stage Digital Setpoint Control Brochure (1810kb)
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