Bosch GWH-635-ESO, C800ES, 715ES, 2700ES, 2400ES User Manual

Bosch Remote Control

for: GWH-635-ES/635-ESO/250SX/250SXO/

2400E/2400EO/2400ES/2700ES/715ES/C800ES

6 720 606 990 (2007.01) AL

Contents

Contents

1 FCC Declaration of conformity 3

2 Remote control data 4

3 Remote control Kit 4

3.1 Parts supplied 4

4 Remote control installation

for: GWH-635-ES/GWH-635­ESO/250SX/250SXO/2400E/
2400EO 5

4.1 Remote control transceiver PCB
installation 5

4.2 Remote control activation 8

4.2.1 AF board 8

4.2.2 SU board 9

5 Remote control installation for:

GWH C 950 ES/GWH C800 ES/
GWH 715 ES/ GWH 2700 ES/
GWH2400ES 10

5.1 Remote control transceiver PCB
installation 10

5.2 Remote control activation11

6 Remote control 13

6.1 Description of the LCD 13

6.2 Hot water temperature adjustment
by remote control 13

6.3 "Program" button on the remote
control 13

6.4 "Priority" function 15

6.5 Error messages 16

7 Troubleshooting 16

7.1 Replacing batteries 16

7.2 Cleaning 16

7.3 Troubleshooting 16

8Notes 19

2

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Safety instructions

Safety instructions

B Read the following instructions very

carefully to ensure correct
operation.

B Follow safety instructions.

Caution: Any
changes or
modifications not
expressly approved by
the party responsible
for compliance could
void the user’s
authority to operate
the equipment.

Caution: the remote
control is water
resistant and can also
be used in the shower

. Nevertheless, it
is not waterproof and
must not be immersed
in water, for instance
in the bathtub .

1 FCC Declaration of

conformity

This device meets the requirements of
FCC Directives.

Caution: The
remote control can
be used only in the
following countries:
United States of
America and
Canada.

This device complies with Part 15 of
the FCC rules. Operation is subject to
the following two conditions: (1) This
device may not cause harmful
interference, and (2) this device must
accept any interference received,
including interference that may cause
undesired operation.

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3

Remote control data

2 Remote control data

Remote control for temperature
adjustment of Bosch water heaters.

Technical Data:

Battery power
supply

Frequency 915 MHz

Type of
protection

User range

Further Information:

Remote
control

Alkaline AA LR 6
2 x 1.5V

IP X6

98 ft (30 m)

Up to 6 remote controls
can be programmed for
one single appliance.

3 Remote control Kit

3.1 Parts supplied

Fig. 1 Parts

1 Remote control
2 Remote control transceiver PCB
3 Support block (used only for

GWH-635-ES/GWH-635-ESO/
250SX/250SXO)

4 PCB connection cable

4

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Remote control installation

4 Remote control

installation for: GWH­635-ES/GWH-635­ESO/250SX/250SXO/
2400E/2400EO

4.1 Remote control
transceiver PCB
installation

Warning: For safety

reasons, disconnect
the power supply to
the water heater
before performing
installation.

Pre-installation preparation

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.

Fig. 2

B Remove the 5 screws on the front

retaining bar (see Fig. 2, pos. 1 and

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

B Remove control unit auxiliary cover

(Fig. 2, 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.

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5

Remote control 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.

Electrical strip connectors

B At the ignition electrodes, pull off the

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

B While holding the unit in one hand or

resting it on a flat surface, remove
the front cover of the control unit by
removing the 4 screws.

Remote control transceiver PCB
installation

B Open control unit top cover (Fig. 3,

pos. 1).

B Remove the protective paper (Fig. 3,

pos. 2) from one face of the support

and attach it to the main PCB as
shown in Fig. 4.

Fig. 3

B Remove the other protective paper

and attach the remote control PCB
as shown in Fig. 5.

6

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