IDEAL Concord CXi 110 Installation & Servicing Manual page 31

44 CONTROL BOX - Basic Boiler Exploded View
LEGEND
1. Wiring clamp.
2. Connection box plug.
3. Connection box.
4. Printed circuit board No. 34.
45 CONTROL SENSOR
1. Lift off the casing top
panel.
2. Trace the sensor lead
to the pocket in the
flow header, remove
the spring clip and
remove the sensor
phial.
3. Unclip the sensor lead
from its clips on the
casing. Undo the
screws on the
connector box plug
and remove it.
4. Fit the new sensor and reassemble in reverse order.
Concord CXi -
Installation
SERVICING
5. Back panel.
6. Hinge pin.
7. Controls box.
8. Printed circuit board No. 35.
46 PC BOARD NO. 34
1. Remove the casing door panel.
2. Slacken the 2 screws securing the control box front
3. Release the ribbon cable from PCB No. 34 by
4. Release all plug connections from the board.
5. Remove the real time clock board (PCB No. RTC/
6. Release PCB No. 34 from the 7 plastic mounting
7. Reassemble in reverse order.
9. Ribbon cable.
10. Printed circuit board No. RTC/34.
11. EMC filter.
12. Controls box fascia (not shown).
panel. Carefully lift it up and hinge forward.
pushing the retaining tabs sideways.
34) from PCB No. 34 by pulling gently forward.
pins and 2 screws and pull it forward.
31