Dunkirk Helix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler - Manual (Page 3)

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2 - Setting Boiler Address
Argus Link Connection And Power Switch S4:
• All boilers must be connected in parallel to Argus Link terminals on low voltage terminal block.
• Maximum wire length is 100' (30m) for 22 gauge, 150' (45m) for 18 gauge.
• Maintain polarity of wires between each boiler.
• Managing boiler control provides power for communication.
• Managing boiler S4 switch has to be in ON position (away from S4 marking).
• All dependent boiler S4 controls must be in OFF position (slider towards from S4 marking).
MULTIPLE BOILER GUIDE
NOTICE
S4 switch is shipped in ON position from
manufacturer. Turn OFF on all dependent boilers.
S4 Switch
ON
OFF
Figure 2 - Control Module S4 Switch