EWC Controls BMPlus 3000 Technical Bulletin page 10

LED'S
BMPlus 3000
The BMPlus is equipped with 11 LED's which indicate system operation and status. Familiarize
LED's
yourself with the LED's definitions, in order to quickly & accurately determine the current
system status and mode of operation.
STATUS
The STATUS LED pulses as a steady heart beat to indicate proper Microprocessor system status.
RED
The OAS LED illuminates solid to indicate that the Outdoor Temperature has fallen below the chosen
OAS
RED
set point. LED will blink rapidly to indicate a malfunctioning Outdoor Air Sensor.
The SAS LED illuminates solid to indicate that the Supply Temperature has exceeded the chosen
SAS
RED
set point on either the HIGH TEMP LIMIT or the LOW TEMP LIMIT . LED will blink rapidly
to indicate a malfunctioning Supply Air Sensor.
ZONE 3
The ZONE 3 LED will illuminate solid to indicate that damper(s) is energized open, and the Zone is active.
RED
ZONE 2
The ZONE 2 LED will illuminate solid to indicate that damper(s) is energized open, and the Zone is active.
RED
ZONE 1
The ZONE 1 LED will illuminate solid to indicate that damper(s) is energized open, and the Zone is active.
RED
The FAN LED will illuminate solid to indicate a demand for fan operation, during COOLING, HEATING,
FAN
RED
PURGE, or CONTINUOUS FAN.
Y2 LED illuminates solid to indicate 2nd stage of COOLING is energized.
Y2
RED
The BMPlus Zone Control System is not compatible with 2 speed / 2 stage compressor Heat Pumps. (3 stage heat pumps).
The Y1 LED illuminates solid to indicate 1st stage of COOLING is energized in GAS/HYDRONIC or
Y1
RED
HEAT PUMP mode.
The Y1 LED illuminates solid to indicate 1st stage HEATING in HEAT PUMP MODE.
W1/B The W1/B LED illuminates solid to indicate 1st stage of HEATING is energized in Gas/Hydronic mode.
RED
The W1/B LED illuminates solid to indicate 'B' reversing valve is energized in HEAT PUMP operation.
The W2/E LED illuminates solid to indicate 2nd stage of HEATING is energized in GAS/HYDRONIC
W2/E
RED
or HEAT PUMP mode.
The W2/E LED illuminates solid to indicate EMERGENCY HEAT is energized in HEAT PUMP mode.
NOTES:
10
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362 E-Mail- info@ewccontrols.com