Zoning Controllers

SMARTZONE EZ SERIES CONTROLLERS

SmartZone™ controllers are available in a 2-zone economy model, a 2-zone full-featured model and a 4-zone full featured model.  The EZ2F and EZ4F can be used as expansion modules for up to a total of 40 zones. The EZ2N will accommodate gas/electric, electric/electric, and heat pump.  The EZ2F and EZ4F will accomodate gas/electric, electric/electric, heat pump and dual fuel heat pump systems. SmartZone™ controls single stage, two stage or three heat/two cool heat pump systems using single stage thermostats. Staging is based on time and the  temperature of supply air. Supply air temperature is displayed constantly. Also, LED’s indicate what calls are coming in, what dampers are open and what call is being placed to the equipment. Screwless terminal connections are fast and easy.  A lighted LCD display shows full system information.

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SmartZone PLUS Controller (EC-1)

SmartZone PLUS™ controller is the equipment controller as well as the connection location for the first thermostat and zone damper. This board will communicate with up to 32 more zones using the PLUS Expansion Boards. The onboard fresh air damper connection and control is based on any fraction of an hourly timer and outdoor temperature. Gas/electric, electric/electric, heat pumps and dual fuel systems are all easily accommodated with SZ PLUS. Single stage, two stage as well as three heat/two cool heat pump systems are controlled using supply air temperature. SZ PLUS controller will control staging thru a two-stage thermostat if staging based on space temperature is required. EC (Economy/Comfort) terminal allows control of the equipment from only this thermostat in the Economy Mode. Humidity (or dehumidity) control is accommodated using a Humidistat connected to this board. SZ PLUS displays supply air temperature, outdoor air temperature, total number of zones connected, number of zones calling for each mode, minutes before changeover as well as low temp and high temp cut-out temperatures. LED’s display what call is coming in, damper position and what call is being placed to the equipment. Screwless terminal connections are fast and easy.

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SmartZone PLUS four zone Expansion (RZ-4)

SmartZone PLUS™ Expansion – 4 boards allow additional zones to be added(4 zones at at time) to the first zone on SZ PLUS controller. Category 5 communications allows up to 8 four zone expansion boards or any combination of four zone and one zone expansion boards for a total of 33 zones including the first zone that is on the SZ PLUS controller. Each expansion board displays the current equipment mode, acknowledgment of thermostat calls from that board, and stattus of the communications bus. LED’s display what thermostat mode is calling and damper status. Each zone has an EC (Economy/Comfort) terminal that allows a field installed switch. When this switch is made (economy mode) it will not allow that zone to vote for the equipment mode or make a call to equipment. This switch might be an occupancy sensor that automatically places the zone in Economy Mode when the zone is unoccupied. This Economy/Comfort feature is a true energy saver and is eligible for LEED points. Screwless terminal connections are fast and easy.

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SmartZone PLUS one zone Expansion (RZ-1)

SmartZone PLUS™ Expansion – 1 boards allow additional zones to be added (1 zone at a time) to the first zone on SZ PLUS controller. Category 5 communications allows up to 32 of the 1 – zone expansion boards or any combination of four zone and one zone expansion boards for a total of 33 zones including the first zone that is on the SZ PLUS controller. Each expansion board displays the current equipment mode, acknowledgment of a thermostat call on that board, and status of the communications bus. LED’s display what thermostat mode is calling and damper status. The zone has an EC (Economy/Comfort) terminal that allows a field installed switch. When this switch is made (economy mode) it will not allow that zone to vote for the equipment mode or make a call for equipment. This switch might be an occupancy sensor that automatically places the zone in Economy Mode when the zone is unoccupied. This Economy/Comfort feature is a true energy saver and is eligible for LEED points. Screwless terminal connections are fast and easy.

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