IDEAL Concord CXA 40/H Installation & Servicing Manual page 24

40 CONTROL BOX - Basic Boiler, Exploded View
"
LEGEND
1. Wiring clamp.
2. Connection box plug.
3. Connection box.
4. PCB S4561A1054
41 PC BOARD NO. S4561B1054
1. Remove the lower front panel.
2. Undo the 2 screws securing the control box front
panel. Carefully lift it up and lower down.
3. Pull off the 2 plugs and 3 push-on connections from
the board. The board can now be removed by
squeezing in the retaining barbs.
4. Re-assemble in reverse order, ensuring that the
push-on connections are as follows (from left to right):
spark electrode, blank, earth, flame detector.
24
SERVICING
#
!
5. Terminal strip
6. Back panel
7. Lockout reset button
8. Thermostat knob
Printed circuit board support detail
$
9.
10. Warning light lens
11. Controls box
12. PCB W4115A1020
Earth connection
Retaining
barbs
Concord CXA/H
%
&
'
Potentiometer
Flame detector connection
Plugs
PCB
- Installation and Servicing