Bosch 2400E User Manual

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6 720 606 990

B Disconnect power supply to heater.

B Remove plastic decals on front

panel.

B Loosen two Philips head screws

located behind plastic decals.

B Lift front cover upward and remove.

B Remove the 5 screws on the front

retaining bar (see Fig. 3, pos. 1 and

2) being careful not to damage the
foam sealant material on it.

B Remove control unit auxiliary cover 

(Fig. 3, pos. 4).

B Remove the two electrical strip

connectors inside the auxiliary cover
(Fig. see diagram below) and then
loosen the 110V power supply cord
retaining nut located underneath the
heater. Once loosened, the power
cord can be pulled up through the
heater to provide sufficient slack.

B At the ignition electrodes, pull off the

2 yellow igniter wires that come from
the top of the control board (Fig.  3,
pos. 3). Then pull the complete
control board forward and out of the
heater, pull up the power supply
cord further if more slack is needed.

Warning: For safe-
ty reasons, discon-
nect the power 
supply to the water 
heater before per-
forming installation.

Once auxiliary cover 
is off, pull off the two 
electrical strip 
connectors from the 
board. Once off, the 
wiring harness can 
be removed from the 
case by pulling their 
rubber seals 
outward.

6720606990-0701_(Remote control).fm  Page 5  Tuesday, January 30, 2007  10:07 AM