Green Air CT-DH-4P Cooling Thermostat & Dehumidistat
Green Air Cooling Thermostat & Dehumidistat Model CT-DH-4P
With Light Activated Photosensor
Independent Outlets with CO2
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The CT-DH-4 and 4P is designed to be used with CO2 equipment, dehumidifiers, and exhaust fans. While it is similar to the CT-DH-3 it has the added feature of independent outlets for temperature and humidity control. It is ideally suited for use with dehumidifiers. Temperature above your set point will activate the right hand outlets and deactivate the bottom left "CO2" outlet. Humidity will activate the top left "Dehumidify" outlet. Internal sensors will allow a 7° temperature comfort zone and a 5% humidity (differential) between the time the equipment comes "On" and goes back "Off" again. Set the temperature and humidity to the desired settings. The CO2 outlet is normally in the "On" position and is able to activate CO2 equipment as needed. An optional photosensor will defeat CO2 enrichment during darkness hours. Intended for indoor use only. The CT-DH-4 operates on 120 Volts AC with 15 Amp max switching capacity. |
Installation Example
| The CT-DH-4 is installed for cooling and dehumidifying control. This unit may be used independently or with many other Green Air Products controls to create an integrated system. This diagram shows how to install the CT-DH-4 for independent control of exhaust fans for cooling and a dehumidifier for removing unwanted humidity while synchronizing ventilation with CO2 enrichment. When the temperature exceeds the dial set points, the CT-DH-4 initiates a venting cycle and CO2 generation is temporarily defeated. The Cyclestat-4 is used to time the frequency and duration of the CO2 production. In the event of an exhaust cycle the Cyclestat will reset and immediately replenish CO2 enrichment upon completion of the exhaust function. The Cyclestat-4 timer has a built in photo sensor that prevents CO2 operation during darkness periods. If you are using a CO2 timer that does not have a photosensor you can get that option built into as a CT-DH-4P. |
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| The CO2 generator or emitter system is plugged into the Cyclestat and the Cyclestat is plugged into the bottom left CO2 outlet of the CT-DH-4. The dehumidifier is plugged into the top left "dehumidify" outlet. The exhaust fans are plugged into the right outlets. |
If you have any questions, feel free to ask.
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Manufacturer: Green Air
SKU: 702345
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