James Dulley Column December 2012 Graphics

High-Resolution Color Photos

Graphics download instructions

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Update Bulletin Number - Topic

181 - Zone heat and cool house

- c181-1.jpg- color photo - This zone control thermostat is programmable and will control the temperature in one room or the ground of rooms in one zone. - Photo credit - Durodyne - c181-2.jpg - color photo - This programmable zone control thermostat has a large digital readout with much information about the temperature/comfort conditions in the zone. - Photo credit - Zonex - c181-3.jpg - color photo - This is a typical round duct damper which is connected to the zoning system. The box on the side contains the motor which opens and closes the damper. - Photo credit - Durodyne - c181-4.jpg - color photo - This zone damper fits a rectangular duct. They are available in many sizes to fit almost any duct including large return or fresh air ducts. - Photo credit - Durodyne - c181-5.jpg - color photo - This duct damper was just installed and the wires from the zone thermostat system are being attached to the damper control motor. - Photo credit - Aprilaire - c181-6.jpg - color photo - Manually adjust the damper in the room ducts by moving the damper handle on the side of each duct. There will be different heating and cooling settings. - Photo credit - James Dulley - c181-7.jpg - color photo - This is the master zoning control which receives the signals from the zone thermostats and controls each damper and the furnace and central air conditioner. - Photo credit - Zonex