Johnson Controls ACC-500-1 Conversion MOdule for Use With T500 Thermostats [New]

When replacing an existing thermostat with a T600 Series thermostat, the ACC-500-1 Conversion Module adapts existing 4-wire thermostat wiring for use with a 5-wire T600 thermostat. The conversion module provides a chatter-free dry contact output interface that eliminates having to pull a common wire, saving installation time and cost.

Before mounting the AC-500-1 Conversion Module near the furnace terminal strip, install the T600 thermostat according to the instructions provided with the unit.. Johnson Controls. Johnson Controls. ACC-500-1.