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Shop > Lighting, Appliance & Home Automation Controls > Leviton Occupancy Sensors > Leviton Occupancy Sensor Accessories > 6203

Aprilaire Single-Stage 3-Zone Control Panel

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The 6203 is a single-stage 3-zone control panel for use with the Aprilaire Zoned Comfort Control System. It is designed to work with your single-stage heat/cool equipment (for example a furnace and an air conditioner).

The Aprilaire Zoned Comfort Control System has been designed to increase comfort in your home and reduce energy costs. It’s able to do this because it solves the problem caused by various areas of the home gaining and losing heat at different rates. Unlike conventional heating and air conditioning systems, Zoned Comfort Control knows, at any given time, which areas (zones) of your home require conditioned air. With this information, the Zoned Comfort Control automatically directs the air to the zones that require it. Because of this, it will not only increase the comfort level throughout your home, it will also condition only the areas that need it, thus reducing your energy costs.

The components that make up the Aprilaire Zoned Comfort Control System are the following: thermostats, a Control Panel, air control dampers and heating and cooling equipment, as shown in the illustration below. The Control Panel is typically located on an inside wall near your heating and air conditioning equipment. The dampers are located inside your air ducts in such a way that each zone can be independently controlled. Thermostats, placed in each zone, are directly connected to the Control Panel.

Item # 6203

$101.95

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Model Types

Models 6202 & 6203

These two models were designed to work with your singlestage heat/cool equipment (for example a furnace and an air conditioner). The 6202 is for two zones while the 6203 is for three.

Model 6303

This model was designed to work with your heat pump. It can handle two stages of heat (one stage compressor, one auxiliary heat) and one stage of cool. The 6303 will control 2 or 3 zones.

Basic Operation

Your Aprilaire Zoned Comfort Control System will allow you to increase your comfort by directing conditioned air to separate areas (zones) based on each zone’s thermostat setting. To operate this system, just set or program each zone’s thermostat to your desired comfort set points. When there is a heating or cooling call from any zone, the appropriate heating or cooling equipment will be turned on. The dampers to zones not requiring heating or cooling will close and the conditioned air will be directed to the calling zone (s) until the thermostat is satisfied.

If one zone is calling for heat, while another zone is calling for cooling during the minimum off time between cycles, the heat call will be satisfied first. After the heat call is satisfied, the cooling call will be satisfied. There is also a 20 minute change over feature which provides a maximum call time of 20 minutes if opposing calls exist. The heating and cooling equipment will not operate at the same time.

Your zone control system is designed to direct conditioned air only to the rooms served by that zone’s thermostat. However, due to the open design of today’s homes, it may not be possible to maintain drastic temperature differences between zones. Closing interior doors is a good way to reduce the air exchange between zones and increase the temperature difference between them.

Illustration shows a typical three zone Aprilaire Zoned Comfort Control system