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Greenhouse
Indoor Garden
Cooling & Dehumidfying
Climate Controllers
by Green Air Products
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Model CT-DH-1
Cooling & Dehumidifying
Atmospheric Controller
with Integrated Outlets
This CT-DH-1 is designed to turn "On" and "Off" exhaust fans and/or intake fans to remove unwanted atmosphere due to heat or humidity.
This device is intended as a cooling and dehumidifying control and is ideal for situations where excess heat and humidity need to be exhausted.
Internal sensors will allow a 7° temperature comfort zone and a 7% humidity span (differential) between the time the fans go "Off" and come back "On" again. |
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Temperature rise will activate the right-hand outlets and deactivate the left-hand outlets. The right-hand outlets will be on during venting periods to run fans to correct temperature and humidity excesses.
The left outlets will be on during non-venting periods and could be used to operate alternate cycle devices such as circulation fans or other equipment that you may want to turn off during venting. Left outlet will switch "Off" whenever a temperature rise activates exhaust outlets but not on humidity rise. Humidity will turn "On" the exhaust outlet (right) but does not defeat the left outlet. Operates on 120 volt AC with 12 amp switching capacity. Approved for indoor use only. Plug controller into wall outlet (120V) and plug fans into right side outlets. Set dials to desired temperature and humidity points and turn on main switch. Be sure to locate all atmospheric controllers where they will accurately respond to average room temperature. Good air circulation around controller is desired. Avoid locating controller in draft or direct sunlight.
For more information including installation examples and complete directions, click here. |
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Order #0016030
Green Air Products
Model CT-DH-1
Cooling and Dehumidifying
Atmospheric Controller
with Integrated Outlets
179.00 |
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Model CT-DH-2
Cooling & Dehumidifying
Atmospheric Controller
with Independent Outlets
The CT-DH-2 controller is designed to give you independent outlets for cooling and dehumidifying equipment.
Set the temperature and humidity dials to the desired settings. If the temperature rises beyond the set limits, the left outlet comes "On" and if the humidity increases, the right outlet comes "On".
When temperature and / or humidity fall below the set limits, left and right outlets turn "Off" independently. |
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This allows you to use a dehumidifier to control humidity and an exhaust fan to control temperature and neither side will defeat the other when they initialize. Internal sensor will allow a 7° temperature or 7% humidity differential between the time equipment comes "On" and goes back "Off" again. Small amber lights indicate when the outlet has power. Operates on 120VAC 15 Amps Max. Do not exceed power handling capacity of your wall outlet.
Plug controller power cord into 110V outlet. Plug cooling equipment into left side outlet and set thermostat dial to maximum allowable temperature. Plug dehumidifying equipment into right side outlets and set humidistat to maximum allowable humidity. Do not exceed power handling capacity of your wall outlet.
The CT-DH-2 may be used to operate fans or any other cooling or de-humidifying equipment. Use with the IR-1 to defeat CO2 when exhaust fans are used for cooling. When temperature increases above the predetermined setting an exhaust fan is used for cooling purposes. Excess humidity is resolved with a dehumidifier. If a condition arises where both temperature and humidity are high, both the exhaust fan and dehumidifier would run concurrently.
For more information including installation examples and complete directions, click here. |
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Order #0016496
Green Air Products
Model CT-DH-2
Cooling and Dehumidifying
Atmospheric Controller
with Independent Outlets
179.00 |
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Model CT-DH-3
Cooling & Dehumidifying Atmospheric Controller
with Synchronized Outlets
While the CT-DH-3 has many applications, it was primarily developed to be used with CO2 equipment and exhaust type fans. Internal sensors will allow a 7° temperature comfort zone and a 7% humidity (differential) between the time the fans go "Off "and come back "On" again. Temperature or humidity raise will activate the right hand outlets and deactivate the left hand outlets.
The CT-DH-3 has an internal relay that automatically switches power from the equipment side to the exhaust side of the unit when either temperature, humidity or both are in excess of the dial settings. Plug the controller into 110V wall outlet. Set the temperature and humidity to the desired settings. The left or equipment side of the controller is normally in the "On" position and is able to activate CO2 equipment if needed.
Equipment to be used for CO2 generation should be plugged into the left outlet. All equipment needed to exhaust the growing area should be plugged into the right outlet which is the exhaust side of the controller. The left outlet (CO2) is defeated whenever the exhaust outlet is activated. Also available with built in photo sensor to defeat equipment (left) outlet during darkness periods, see Model CT-DH-3P below. Operates on 120VAC with 12 amp switching capacity.
For more information including installation examples and complete directions, click here. Fully listed by Canadian and United States Underwriters Laboratories (CuLUS). |
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Order #0016066
Green Air Products
Model CT-DH-3
Cooling and Dehumidifying
Atmospheric Controller
with Synchronized Outlets
219.00 |
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Model CT-DH-3P
Cooling & Dehumidifying Atmospheric Controller
with Synchronized Outlets and Photo Sensor
While the CT-DH-3P has many applications, it was primarily developed to be used with CO2 equipment and exhaust type fans. Internal sensors will allow a 7° temperature comfort zone and a 7% humidity (differential) between the time the fans go "Off "and come back "On" again. Temperature or humidity raise will activate the right hand outlets and deactivate the left hand outlets.
The CT-DH-3P has an internal relay that automatically switches power from the equipment side to the exhaust side of the unit when either temperature, humidity or both are in excess of the dial settings. Simply plug the controller into 110V wall outlet. Set the temperature and humidity to the desired settings. The left or equipment side of the controller is normally in the "On" position and is able to activate CO2 equipment if needed.
Equipment to be used for CO2 generation should be plugged into the left outlet. All equipment needed to exhaust the growing area should be plugged into the right outlet which is the exhaust side of the controller. The left outlet (CO2) is defeated whenever the exhaust outlet is activated. This model features a built in photo sensor to defeat equipment (left) outlet during darkness periods. Operates on 120VAC with 12 amp switching capacity.
For more information including installation examples and complete directions, click here. Fully listed by Canadian and United States Underwriters Laboratories (CuLUS). |
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Order #0016498
Green Air Products
Model CT-DH-3P
Cooling and Dehumidifying
Atmospheric Controller
Synchronized Outlets
and Photo Sensor
269.00 |
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Model CT-DH-4
Model CT-DH-4P
Cooling & Dehumidifying
Atmospheric Controllers
with Independent Outlets For Carbon Dioxide
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 offering independent outlets for temperature and humidity control and is ideally suited for use with dehumidifiers. |
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Temperature raise will activate the right hand outlets and deactivate the CO2 outlet. Humidity rise will activate the dehumidifying outlet. Internal sensors will allow a 7° temperature comfort zone and a 7% humidity (differential) between the time the equipment goes "Off "and comes back "On" again. Plug the controller into 110V wall outlet. 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. The CT-DH-4P includes a built-in photosensor which will defeat CO2 enrichment during darkness hours.
For more information including installation examples and complete directions, click here. |
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Order #0016517
Green Air Products
Model CT-DH-4
Cooling and Dehumidifying
Atmospheric Controller
Independent Outlets
239.00 |
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Order #0016518
Green Air Products
Model CT-DH-4P
Cooling and Dehumidifying
Atmospheric Controller
Independent Outlets
Photo Sensor
299.00 |
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