Hayward FD Heater Hot Surface Ignitor FDXLIGN1930

Ignitor Replacement Procedure.
FDXLIGN1930
for Universal H-Series (Forced-Draft) Heaters

IMPORTANT NOTES:

This kit. is intended to be used only with Hayward
Universal H-Series (forced-draft) gas heater models.
These heaters may be identified by inspection of the
heater rating plate (there should be an “FD”‘ in the model
number), or by visual inspection of the heater in
comparison to the diagrams in these instructions.

REPLACEMENT PROCEDURE

1. Turn pump, main gas valve, and heater power off.
2. Loosen 4 screws on front access door and remove
   front access door.
3. Remove screws and remove control box cover.
4. Disconnect the ignitor plug from the large circuit board
   located inside the control box.
5. Remove screw and move ignitor access cover to allow
   access to the ignitor. Note the cover remains
   connected to the ignitor wires.
6. Remove 2 screws and remove the old ignitor from
   heater front combustion chamber panel.
7. Separate the old black plastic strain relief from the
   ignitor access cover by compressing the tabs using a
   pair of pliers.
8. Istall new ignitor to heater front combustion chamber
   panel with 2 screws.
9. Route new ignitor wires through hole in ignitor access
   cover and install ignitor access cover ln heater with 1
   screw. Note the tab in the back of the ignitor access
   cover must go into the slot ln the heater.
10. Snap the new plastic strain relief over the ignitor wires
    immediately above the hole in the ignitor access cover.
11. Once the new plastic strain relief is snapped onto the
    ignitor wires, press it into the hole In the ignitor access
    cover. Minimize the slack in the ignitor wires by
    refulty pulling excess slack up through the strain
    relief.
12. Route the ignitor wires through the heater and into the
    control box. Plug the end of the ignitor wires into the
    large circuit board to the connector labeled “lGNlTOR”.
    Ensure the ignitor wires are routed such that they do not
    come in contact with moving parts on the blower.
13. Re-install control box cover and heater front access
    door.
14. Turn on pump, main gas valve, and heater powei: and
    activate heater to test the new ignitor.

Hot surace ignitors are fragile. Handle with care.

RISK OF ELECTRIC SHOCK
Disconnect electrical power from heater before servicing. Failure to disconnect power
may result in injury or death