4421 Tradition Trail ● Plano, Texas 75093 ● 972-964-2700 ● 800-836-7472
SP-ENG-211-000-17 Rev 1.3
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Note:
The dry contact is not a power status indicator, rather a high temperature alarm alerting you that
the unit is unable to meet the cooling set point.
Refer to Advanced Digital Temperature Controller Programming section on page 8 for details on
changing these parameters.
Celsius Programming
Celsius Programming option allows the user to control the Delta-T Air Conditioner in SI units. This
feature can be programmed into the digital temperature controller at time of manufacturing.
External Heat Output
This option allows you to add an external heater to be located anywhere in your enclosure. External
heaters are ideal for focusing on individual sections of the enclosure without having a large capacity
Built-in Heater.
Available Heater capacities range from 100 Watts to 950 Watts.
Default Settings:
55°F Heat Set Point
3°F Differential
At the default settings the heater output turns on at 52°F and operates until the temperature has
reached 55°F. Refer to Advanced Digital Temperature Controller Programming section on this manual
for details on changing these parameters.
Special Programming
All Delta-T Air Conditioners have a Special Programming option for selecting unique pre-programmed
settings for special requirements. Although most parameters are accessible in our digital controller,
this option allows you to receive a unit preset to your requirements without the need to manually
configure the unit. Refer to Advanced Digital Temperature Controller Programming section for details
on all default settings.
High Ambient
Most of our air conditioners have capabilities for high ambient application upgrades from our Standard
Maximum Ambient temperature of 125°F or 131°F. With this option we can optimize the Air
Conditioner during manufacturing to achieve improved performance at high ambient conditions.
