Strip 12 of insulation from all leads. The startbox smartbox troubleshooting guides do not apply to 2 wire decoder systems.

2 Controllers With Munro Smart Pump Relays Does It Work Yes
Munro smartbox wiring diagram. 6twist on wire nuts. Evaluating the system 1. Munro startbox series p u m p ps t a r t r e l a y u m p s t a r t r e l a y munro start. Attach ground wires to outlet box grounding screw. After 5 seconds the system should shut off and both the on and up lights should be on. The munro smartbox reduced incoming amperage box accepts a low amperage startstop signal to provide all of the benefits of the standard smartbox including loss of prime and run dry protection even when signal amperage is reduced.
Position gasket on back of switch plate. Low risk of line voltage harming people or pets no need to wonder which relay to use the munro smartbox has a 40 amp relay to work equally well with single phase 34 hp to 5 hp. Smartbox requires a vertically mounted single gang full size outlet box. If you need additional assistance please contact munro pump at 18009424270 or contact your local irrigation wholesaler. Connect as shown in wiring diagram on page 6. Bring power leads and sensor leads into box.
Refer to specific wiring diagram located on inside cover. Call munro technical support for any questions relating to this product. 11 common issues this guide was developed to assist you in troubleshooting common centrifugal pump issues for small turf and irrigation applications 5hp and below. The on light should turn on. Munro smartbox series munro troubleshooting guide smartbox mplc24 shown checking the time delay turn the time delay down to 5 seconds. Next cross the red and blue wire.
This is commonly seen in 2 wire systems and with super economical irrigation controllers big box stores. All external devices are powered at reduced 24 volts. Available in 24v 110v 220v coils. Additionally the munro smartbox provides personal protection.