ZXM-2 Expansion Module

The advanced ZXM-2 Expansion Module allows you to easily add additional zones to the UZC4 Zone Control System. You can gain up to 16 additional zones for a total of 20. The robust and superior design, intuitive firmware, simple setup options, and easy to understand wiring, makes the UZC4 Zoning system the Contractors dream. Combined with EWC motorized dampers and practically any off-the-shelf heat/cool, heatpump or Multistage thermostat, EWC Controls once again proves to be the innovative leader in the residential & light commercial Forced Air Zoning industry.

Remote selector switch for use with ST series ULTRA-ZONE Control panels. This switch replaces the zone 1 thermostat subbase if separate remote system control is desired. 4 wires required.

The ZXM-2 Expansion features automatic changeover from any thermostat allowing for individual zone comfort from the HVAC system.

Compatible with most Off the shelf 1 or 2 stage Conventional Heat/Cool or Heat Pump Thermostats. All Mechanical,Digital/Electronic, Dual Mode, and Internet Compatible Thermostats that operate on 24vac. Battery powered or Power robbing thermostats that draw less than 20 ma of current are also accepted.

The ZXM-2 Expansion Module can add up to 16 zones with 1 to 8 expansion modules on a UZC4 control system.

The STATUS LED pulses as a steady heart beat to indicate active Micro- processor status.

LEDs indicate which dampers are open.

Operates on 24vac power supplied from a separate transformer, tied to the ZMX2. Power is supplied to the ZXM2 through the bus cable. (Damper motors are isolated from the UZC4 and MUST be powered by a separate 24vac Transformer.)