Heatcraft Refrigeration Products 25001501, Installation & Operating Instructions Manual, Page: 18 / 36

BEACON CONTROLLER
18
BEACON UNI-POLAR EXPANSION VALVE TEST VOLTAGES
ESV
TEST (Beacon Board connection)
(dc volts) BLUE RED WHT BLK YEL
VALVE OPEN 4.4 15.6 15.6 15.7 15.6
VALVE CLOSED 0 15.3 15.3 15.4 15.5
Com
24 Vdc
Notes:
1.
All volts shown are measured while in the “TEST” mode and are DC
2. The volts shown for each step (BLUE, RED, WHT, BLK) are measured between the YEL-Com
& the corresponding pin
3. The volts shown for each step is available only when the valve is activated.
The voltage value will increase when the valve is activated, then will go to zero.
4. The “ESV TEST” volts will remain while the valve is open