146
Smart Controller LED Indicator Status Lights and Output Status
Condition Description LED
Status
COMP
Contactor
Coil 1 & 2
Output
LIQUID
INJECTION
VALVE
Injection
Output
Cylinder Head
Fan Control
Compressor ON.
Demand Signal < 8 vdc
Compressor is operating
under normal modulation con-
trol.
GREEN
Constant Blinking
Closed PWM as
Required
As Required As Required
Demand signal > 8 vdc There are no active alarm
states and the controller
assumes compressor is off
due to no demand for
cooling.
GREEN
Solid
Open Disabled.
No PWM
Control.
Disabled Disabled
High Discharge
Temperature > 295 F
Compressor is shut down due
to high discharge gas tem-
perature. Will auto reset, com-
pressor ON, in 5 minutes if
discharge temperature
< 230 F and demand signal
< 8 VDC.
RED
2 blinks & pause
Open Disabled.
No PWM
Control.
Disabled Functional/
Operational
Discharge Gas
Temperature Sensor
Failure
Compressor is shut down
under an alarm for discharge
gas temperature sensor fail-
ure. Manual reset required.
RED
Long blink, two
short blinks &
pause
Open Disabled.
No PWM
Control.
Disabled Disabled
Compressor OFF.
Module Failure
Invalid value at the demand
input or module internal
failure.
RED
Constant Blink
Open Disabled.
No PWM
Control.
Disabled Disabled
To Next Page
Loading...
