User Guide

BMPlus 3000
LED’s
The BMPlus is equipped with 11 LED’s which indicate system operation and status. Familiarize
yourself with the LED’s definitions, in order to quickly & accurately determine the current
system status and mode of operation.
STATUS
RED
SAS
RED
OAS
RED
FAN
RED
ZONE 3
RED
ZONE 2
RED
ZONE 1
RED
The STATUS LED pulses as a steady heart beat to indicate proper Microprocessor system status.
The OAS LED illuminates solid to indicate that the Outdoor Temperature has fallen below the chosen
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
set point on either the HIGH TEMP LIMIT or the LOW TEMP LIMIT. LED will blink rapidly
to indicate a malfunctioning Supply Air Sensor.
The ZONE 3 LED will illuminate solid to indicate that damper(s) is energized open, and the Zone is active.
The ZONE 2 LED will illuminate solid to indicate that damper(s) is energized open, and the Zone is active.
The ZONE 1 LED will illuminate solid to indicate that damper(s) is energized open, and the Zone is active.
The FAN LED will illuminate solid to indicate a demand for fan operation, during COOLING, HEATING,
PURGE, or CONTINUOUS FAN.
Y1
RED
Y2
RED
W1/B
RED
W2/E
RED
The Y2 LED illuminates solid to indicate 2nd stage of COOLING is energized in Gas mode.
The Y2 LED illuminates solid to indicate 2nd stage of HEATING is energized in Heat Pump mode.
The Y1 LED illuminates solid to indicate 1st stage of COOLING is energized in GAS/HYDRONIC or
HEAT PUMP mode.
The Y1 LED illuminates solid to indicate 1st stage HEATING in HEAT PUMP MODE.
The W1/B LED illuminates solid to indicate 1st stage of HEATING is energized in Gas/Hydronic mode.
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 or 3rd stage of HEATING is energized in GAS/HYDRONIC
or HEAT PUMP mode.
The W2/E LED illuminates solid to indicate EMERGENCY HEAT is energized in HEAT PUMP mode.
NOTES:
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX [phone] E-Mail- [e-mail]
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LED’S