Install Instructions

NOTE: This does not apply to model ARM-2P.

Any control connected to the ARM is isolated and protected from

circulator current with built-in 120

Volt control relay.

ARM “TANKLESS COIL” WIRING

! !

WARNING

When using ZC-ZR careful attention must be paid to keep-

ing the polarity of the wiring consistent between the Argo

control and the boiler aquastat. Failure to do so could result

in a secondary source of power activating the boiler under

certain circumstances which could result in serious injury

or death. Always disconnect power to both the Argo control

and the boiler when installing or servicing this product.