Product Overview

Table Of Contents
i-Link :LEADING SWITCHING RELAYS FOR THE 21ST CENTURY
The i-Link series multi-zone circulator switching relays simplify wiring for hydronic 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 u
protection to ensure continuous control operation which avoid damage and trouble to replace the unit.
Selectable Priority with Protection Timer
Priority Protection Timer available in two to six zone models ensures other zones get heat every one hour and 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
quality controlled in order to achieve “total customer satisfaction” - a foundation that you can rely on.
nique power surge
unit is built on the foundations of quality and reliability. Azel products are
. Front panel indicator lights
. Fuse protection
. Power surge protection
.
. Compact and modern design
.
.
.
Easy-Connect Terminals/Screwless
Terminals for Thermostat Connections
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
GENERAL FEATURES:
ADDITIONAL FEATURES:
. Unlimited zone expansion
. Priority timer for protection of a priority zone malfunction
and prevention of freeze-ups in the heating zones.
. Field selectable priority
. Priority End Switch for utilizing full functionality of high efficiency
Mod-Con boilers
. Capable of turning on extra system circulator
. SP-84/85/86: Manual priority override(bypass) for each of
the secondary zone
. Isolated End Switch
SP-81
SP-82
SP-83 SP-84
SP-86
SP-85