Installation & Operation Manual

Table Of Contents
Page 21 November 2021 Version 3.0 www.fuellock.ca
Fuel Lock is compatible with 2 wire, reed switch pulsers that generate a signal voltage between 0-5VDC and does
not support 3 wire pulsers or pulsers that require an external DC power to operate.
Warning: Do not attach AC power to the terminal marked 12VDC. This terminal is for DC powered puls-
ers only.
Install pulser according to the manufacturer’s instructions.
Note: For 2 wire pulser models, either wire is interchangeable with the terminals.
Flow Meter Board Field Installation Electrical Connections
Caution: When installing flow meter wiring, avoid running flow meter signal wires nearby fuel pump
power wires to reduce the risk of interference and false readings. For best results, run flow meter cir-
cuits in a separate wire or conduit.