
4-5
4.
To remove the electronic control board:
a) Remove the user interface board (per-
form step 3).
b) Lift the right side of the user interface
board bracket, and pull the two tabs out
of their chassis slots, then pull the right
bracket tabs out of their chassis mount-
ing slots.
c) Rotate the bracket to the left, discon-
nect wire connector JP08 from the elec-
tronic control board, and remove the
bracket and wire connector assembly.
d) Disconnect the following connectors
from the electronic control board (see
the photo at the top of the right column):
3-wire connector at JP12.
Green connector.
White connector.
Red connector.
Blue connector.
User Interface Board Bracket
Bracket Tab (1 of 2)
Electronic Control
Board Connector
JP08
Green White Red Blue
e) At the bottom of the burner box, remove
the four mounting screws from the elec-
tronic control board holder.
Electronic Control Board
f) Lift the electronic control board and its
holder from the unit.
Electronic Control Board Screws (4)
JP12
Electronic Control
Board & Holder
Summary of Contents for KECC508MBL
Page 4: ... iv NOTES ...
Page 11: ...2 1 INSTALLATION INFORMATION PRODUCT DIMENSIONS ...
Page 12: ...2 2 CUTOUT DIMENSIONS REQUIREMENTS ...
Page 16: ...2 6 NOTES ...
Page 35: ...7 5 TERMINAL BLOCK CONNECTIONS ...
Page 36: ...7 6 NOTES ...
Page 37: ...7 7 NOTES ...
Page 38: ...7 8 NOTES ...
Page 40: ......