Emerson White-Rodgers 789A-751KT1 Directives D'installation page 2

NOTE: Install all wiring according to local and national electrical codes and ordinances.
Ignitor
bracket
hole
Fig. 1: New ignitor –
789A-751A1
1. Disconnect electrical power.
2. Disconnect wires from gas valve, flame
sensor and hot surface ignitor.
3. Locate old ignitor and remove the screw that
secures old ignitor mounting bracket to the burner
assembly.
a. Note: some applications may require the
burner assembly to be removed first.
b. Take note of location of old ignitor.
4. Slide old ignitor mounting bracket out of burner
assembly.
5. Attach new ignitor to new ignitor mounting bracket,
screwing into the ignitor bracket hole (Fig. 1 & 2)
using one of two screws provided.
Fig. 5: Flame-side view of correct ignitor position
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Ignitor
mounting
bracket hole
Ignitor
bracket hole
Fig. 2: New ignitor
mounting bracket
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Fig. 3: New ignitor
and mounting
bracket assembly
a. See Fig. 3 for correct ignitor and mounting
bracket assembly orientation.
6. Slide new ignitor and mounting bracket assembly
back into same location as noted in 3b.
7. Secure new ignitor mounting bracket to the burner
assembly by placing the remaining screw through
the ignitor mounting bracket hole (Fig. 2).
8. Verify ignitor is in the correct position (see Fig. 5
and 6).
9. Re-attach burner assembly if necessary.
10. Use ignitor adapter harness to connect new nitride
ignitor to furnace control board harness.
Fig. 6: Gas-side view of correct ignitor position
Fig. 4: New ignitor installed into
burner assembly