NTI 85040 External Spark Transformer Kit (Tx51-151, Tx151C models)

Ensure that thespark electrode cable is securely fastenedbefore powering the boiler, failure to do so will cause a boiler malfunction and mayresult in electric shock.

Tools required for Installation:

* Drill with 1⁄4” nut driver or 1/8” drill bit
*#2 Phillips Screw Driver
*Utility knife or Side cutters
*Measuring Tape

Installation Instructions:

1. 1) Turn on the boiler and wait for it to load: then press and hold the M and OK buttons until 2-01 is displayed.

2. 2) Use the arrow keys to scroll to 2-32, and then press OK.

3. 3) Use the arrow keys to change the setting from OFF to ON and press OK.

4. 4) Turn off power and gas to the boiler.

5. 5) Mount the Ignition Coil in the upper right of the boiler cabinet as shown using the drill point screws

   provided. Refer to Figure 1.

6. 6) Remove the old spark igniter, spark ignition wire and the green ground wire from the boiler and install the

   provided spark electrode.

7. 7) Remove the blank plug in receptacle J4 and then route the grey plug on the new wire harness through the

   top hole of the control panel and plug it into the J4 receptacle.

8. 8) Using the supplied zip ties secure the new wire harness to the existing wire harness so that opening and

   closing the control panel will not pinch or chafe the wires.

9. 9) Place the metal tie down clip on the inside edge of the boiler side approximately 6” below the ignition coil

   and use the zip tie clip to secure the wires so that they are held away from the burner door. Refer to

   Figure 1.

10. 10) Connect the orange spark igniter wire to the ignition coil and the spark igniter and the green ground wire tothe spark igniter. Refer to Figure 1.

11) Operate the boiler and confirm that it lights consistently and smoothly.