9” x 7” x 4” Dimensions Basic description The APCETHD is designed to control humidity, temperature and CO2. The controller has four (4) receptacles and a remote combination probe with highly accurate temperature, humidity and light sensors. The remote combination sensor is designed to quickly react to changes in the growing area and to resist EMI / EFI from electronic ballasts.
Page 2 APCETHD Installation Secure the unit to a wall. Determine the best location for the remote probe. Place the probe in an area with good air movement preferably at plant height. Avoid placing the probe in direct sunlight or under direct HID Lighting.
Page 3 APCETHD Button Functions The fifteen (15) buttons located on the front face control all the functions. Pressing each button will display a function and/or current setting(s) in the green LED window. Some buttons perform more than one function.
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Page 4 APCETHD CO2 buttons CO2 Mode - Press button to change the CO2 Mode. Selecting will disable the CO2 output when the Cooling output is dAYlocK turned on (exhaust fans are running) Selecting will dAYFrEE allow the CO2 and Cooling outputs to be on at the same time.
Page 5 APCETHD Error LEDs The APCETHD is smart enough to monitor the temperature and humidity levels and to alert the user to a problem with any of the devices connected to the APCETHD. Here is how it works. As the unit functions normally, the environmental conditions (temp &...
Page 6 APCETHD Factory Settings The APCETHD comes pre-programmed with factory settings. These settings may be adjusted by the user. For best results, verify changes after adjusting any settings. The controller can be easily reset to factory settings. (see below) Temp day settings 80°F...
Page 7 APCETHD Overview The individual push-buttons on the APCETHD makes changing settings EASY. * Press a button, the display shows the current setting. * To change the settings, use the UP and DOWN buttons. * Then press ENTER to accept the new setting.
Page 8 APCETHD How to customize settings... Up - Press button to increase setting Down - Press button to decrease setting Enter/Reset - Press button, hold for 3 seconds to restart timer or to adjust the setting. The timer will always start in the “ON” cycle.
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Page 9 APCETHD Humidity Mode – Use this button to select humidify or dehumidify. Press Humid mode, the display will read the current setting, either Humidify Incr) or dehumidify dEcr). Press the Up and Down buttons to change the setting. Press Enter to accept new setting.
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Page 10 APCETHD 3) Select split (SPLit) if using a fan or AC unit as a cooling device and a humidifier to add humidity. Each device is controlled independently. The cooling device will turn on when the temperature rises above the setting and the humidifier will turn on when the humidity lowers below the setting.
Page 11 APCETHD Q & A What if my temperature is reading high? Make sure the remote probe is not in direct lighting from HID lights or sunlight. Do I need to calibrate my humidity sensor? No. like the temperature sensor, the humidity sensor is digital and does not require calibration.
Page 12 APCETHD IMPORTANT MESSAGE 1. Save these instructions. These safety and operating instructions must be kept in a safe place for future reference. 2. Heed all warnings. All warnings on this product and in the instructions must be observed closely.
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Page 13 APCETHD 10. The product is equipped with a circuit breaker for short circuit or over current situations. The circuit breaker will automatically shut down the product at once. All outlets of the product all have the safety ground.
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Page 14 APCETHD baignoire, baignoire lavabo, évier de cuisine ou la lessive, dans une cave humide, ou près d'une piscine, etc. Le contrôleur ne doit pas être exposé à des éclaboussures et aucun objet rempli de liquides, tels que des vases, doit être place sur ce produit.
Page 15 APCETHD Warranty and Liability 1.Limited Warranty Hydrofarm, Inc doing business as Hydrofarm, Inc (collectively HYDROFARM) warrants that for a period of three years from the date of purchase, this product will be free from defects in material and workmanship.
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Page 16 APCETHD What are the limits on HYDROFARM’s liability? HYDROFARM shall not be liable for any incidental or consequential damages cause by the breach of any express, implied or statutory warranty or condition. Except to the extent prohibited by applicable law, any implied warranty or condition of merchantability or fitness for a particular purpose is limited in duration to the duration of the above warranty.
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This product conforms to USA and Canada standards as listed below. Made in China...
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