ProFire PF3100 Product Manual page 122

14.3.29 COMBINED LOW/HIGH PRESSURE SWITCH WIRING
PF3101-00 BMS Controller Card
24 - Pressure-
25 - Pressure+
26 - Level-
27 - Level+
Copyright © 2022, Profire Energy. All rights reserved.
855.PRO.FIRE | PROFIREENERGY.COM
Installation Notes:
NC
1. The PF3100 system uses energized-to-run logic for all digital
C
inputs. Wire to NO contact of the low-pressure switch and
NO
NC contact of the high-pressure switch.
Digital High Pressure
2. + terminal output matches system voltage input.
Switch
NO
C
NC
Digital Low Pressure
Switch
PF3100 Product Manual
DOC-001149 v8.0
122