Basic Rooftop Focus Guide.pdf - ProLon

Basic Rooftop Controller
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• Differential
Units MIN MAX Default
% 8 99 20
• Fourth Stage
• Setpoint
Units MIN MAX Default
% 5 95 90
2.1.4.2 Operation
• Differential
Units MIN MAX Default
% 8 99 19
• Minimum ON Time: Once a stage of cooling is activated, this is the minimum amount of
time it will remain ON, even if cooling is no longer required. It is also the minimum
time required to elapse before the next stage can be engaged.
Units MIN MAX Default
Minutes 0 10 2
• Minimum OFF Time: Once a stage of cooling is deactivated, this is the minimum
amount of time it will remain OFF, even if cooling is required.
Units MIN MAX Default
Minutes 0 10 5
2.1.4.3 Analog Cooling
This function allows for analog cooling when a PTA2 interface is installed on Output 2.
Output 3 is inert. Output 2 pulses with a pulse length proportional to the analog output.
This does not mean that the PTA2 will pulse. For more details on the PTA2 device,
consult the PTA2 Specifications and Installation Guides or the Rooftop Hardware Guide.
Setpoint:
Proportional:
Units MIN MAX Default
% 5 95 35
Units MIN MAX Default
% 8 95 20
18
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