9. Mount the new module into the tray by sliding
the front of the module with display against the
tray’s faceplate. Align the module orange but-
tons to seat within the cutouts of the tray.
10. Snap the back of the module into place by
slightly pulling the sides of the tray outward
using care not to damage the tray. The retaining
tabs of the module should lock into the tray.
To ensure proper installation of the module
into the tray, press several of the buttons on
the display panel. Each button should have a
clear “click” sound and feel. If not, reinstall
the module into the tray ensuring the module
retaining tabs are locked into the tray.
11. Reconnect all molex plugs to the module. The
two white molex plugs and one grey molex plug
have locking levers that need to be engaged to
ensure proper connection.
12. Reconnect the (4) ground wires from the module.
13. Reengage the guide pins of the module tray into
the bottom jacket panel. Rotate the tray up into
position.
Ensure control wiring does not hinder the
insertion of the try into the bottom jacket
panel.
14. Mount the front jacket panel by engaging the top
of the panel into the top jacket panel (Fig. 3).
15. Swing the bottom of the front jacket against the
side panel and secure in place by tightening the
retaining screws (Fig. 1).
16. Turn power to the boiler ON and return the boil-
er to service.
17. Reference the manual section Setting Appliance
Parameters for steps needed to revise the con-
trols parameter settings.
NOTICE
NOTICE
CHALLENGER
Control Display
Module
Replacement Kit
3
Date: 2/22/12
2012-20 Module Control Display Repl. Kit Challenger
Fig. 3: Installation of front panel