High Country Tek emc-1V User Manual
Page 25
Part No:-
021-00351 Rev 1.0
emc-1P & emc-1V e-Fan System Controller User Guide
Page 25
e-Fan Cooling System Controllers
with J1939 Interface
Input Settings
Selection Tab -> SAE J1939 & Discrete Inputs
Settings do not take effect until Applied
Enable J1939
This option MUST be clicked if the unit is to understand the J19349 Bus information. If this button is NOT
clicked, all J1939 features are disabled in the controller.
Note: If J1939 messages are enabled, the RPM must be above minimum RPM setting for fans to work in
the forward or reverse direction.
Temperature settings
The emc-1 has 3 J1939 Bus messages and Thermistor inputs that can be individually enabled or disabled
as required.
Engine Coolant temperature at PGN 65262, SPN 109
Transmission Oil temperature at PGN 65272, SPN 177
Intake Manifold temperature at PGN 65270, SPN 105
Output PWM% to the fan is controlled between ‘Fan Start Temperature’ and ‘Fan max temperature’
and is a linear line between these two set values.
Fan Fault Condition
Set this for the fault condition that your fan will produce as the diagnostic input for Fan 1 or Fan 2.
Depending on the fan type it will either do nothing, Open, or will drive the input Low or High to indicate a
fault.
Set to Disabled if not used.