1751 Hurd Drive ● Irving, Texas 75038 ● (972) 580-0200 ● (888) 580-0202 ● Fax (972) 580-0277
URL: www.thermal-edge.com ● Email:
SP-ENG-211-000-02 Rev 1.2
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Operation
Thermal Edge air conditioners will lower (or increase as necessary) the temperature inside an
enclosure to ensure its proper operational temperature. Our air conditioners, when sized properly, will
provide cooling or heating automatically controlled by the digital controller.
Thermal Edge air conditioners operate as a “closed loop” system with no exposure or introduction of
outside air. This ensures that the enclosure is separated from, and is not contaminated with, ambient
air, dirt, chemicals, dust, moisture or foreign matter so that sensitive enclosure components are
protected and are kept at your required operational temperature.
An air conditioner is designed to dehumidify and extract heat from an area, or provide heat to an area.
The cooling is done using a simple refrigeration cycle. A product of this simple refrigeration cycle is
excess humidity that condenses to a liquid.
Thermal Edge air conditioners are designed using an advanced refrigeration cycle and are equipped
with a Condensate Removal System that changes the excess humidity liquid into a vapor which is then
vented to the atmosphere. In the event of excess water vapor when the enclosure door has been left
open there is an overflow hole on the bottom of every unit. Please contact Thermal Edge Inc. if you
encounter excess water coming from your air conditioner.
Preliminary Testing
Before mounting the air conditioner to the enclosure, test for proper operation. Follow the steps below
prior to installation.
WARNINGS
The air conditioner must sit upright for 24 hours to assure the compressor oil has drained down to the
compressor. Check the unit label to assure the electric power available to the air conditioner is the
proper voltage and phase. Check the electric power source for proper ground wire and neutral wire
installation per 2008 NEC. Assure that the electric power is protected by a circuit protection device;
refer to the Unit Specification section in this manual for proper circuit protection sizing.
Plug the unit’s power cord into your source to start the evaporator fan and, if desired, change
the set point. Refer to Digital Temperature Controller Programming section on this manual for
details on changing the set point. Factory default settings should be satisfactory; however you
may want to adjust heat, cooling and alarm set points for your specific application.
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