Bosch 2400E User Manual

7

6 720 606 990

B Replace the control unit cover with

the 4 Philips head screws (Fig. 5,
pos. 1).

B Slide control unit back into heater.

B Plug 2 yellow electrode wires from 

the top of the control unit back onto 
the ignition electrodes (Fig. 3, pos. 
3).

B Pull end of power cord to take up 

excess slack and tighten retaining 
nut on the bottom of the heater.

B Reinstall the two electrical strip

connectors onto the PCB. The
larger connector connects to the
lower connection on the PCB.
Reseat the rubber seals for both
connectors.

B Replace the control unit auxiliary

cover. (Fig. 3, pos. 4).

B Replace front retaining bar using 5

Philips head screws. (Fig. 3, pos 1).

The remote control initialization 
instructions vary based on the version 
of control board installed in your 
heater.

B Turn power switch on the water 

heater to the off position (O).

B When turning power switch to the 

on position, note the first two letters 
that appear on the display (should 
be AF or SU).

B If the letters are AF, follow section 

4.3.1.  For SU, follow chapter 4.3.2.

B Connect power to heater.

B Move the power switch on the

appliance to the off position (0).

B On heater control panel press and

hold Program key 

 or 

Wire polarity does not
matter on the electrode
wires.

Before the remote
control will work, it must
be activated using the
procedure described
below with the operator
standing in front of the
appliance.

6720606990-0701_(Remote control).fm  Page 7  Tuesday, January 30, 2007  10:07 AM