Bosch Appliances Universal Remote 2400ES User Manual

Bosch Remote Control  
for: GWH-635-ES/635-ESO/250SX/250SXO/  
2400E/2400EO/2400ES/2700ES/715ES/C800ES  
 
Contents  
Contents  
5
Remote control installation for:  
GWH C 950 ES/GWH C800 ES/  
GWH 715 ES/ GWH 2700 ES/  
1
2
FCC Declaration of conformity 3  
GWH2400ES  
10  
Remote control data  
4
5.1  
5.2  
Remote control transceiver PCB  
installation  
10  
Remote control activation11  
3
Remote control Kit  
4
3.1  
Parts supplied  
4
6
6.1  
6.2  
Remote control  
Description of the LCD  
Hot water temperature adjustment  
13  
13  
4
Remote control installation  
for: GWH-635-ES/GWH-635-  
ESO/250SX/250SXO/2400E/  
2400EO  
by remote control  
"Program" button on the remote  
control  
"Priority" function  
Error messages  
13  
6.3  
5
13  
15  
16  
4.1  
4.2  
Remote control transceiver PCB  
installation  
Remote control activation  
6.4  
6.5  
5
8
8
9
4.2.1 AF board  
4.2.2 SU board  
7
Troubleshooting  
Replacing batteries  
Cleaning  
16  
16  
16  
16  
7.1  
7.2  
7.3  
Troubleshooting  
8
Notes  
19  
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2
Safety instructions  
Safety instructions  
1
FCC Declaration of  
conformity  
B Read the following instructions very  
carefully to ensure correct  
operation.  
This device meets the requirements of  
FCC Directives.  
B Follow safety instructions.  
Caution: Any  
changes or  
modifications not  
expresslyapprovedby  
the party responsible  
for compliance could  
void the user’s  
Caution: The  
remote control can  
be used only in the  
following countries:  
United States of  
America and  
authority to operate  
the equipment.  
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.  
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  
.
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3
Remote control data  
2
Remote control data  
3
Remote control Kit  
Remote control for temperature  
adjustment of Bosch water heaters.  
3.1 Parts supplied  
Technical Data:  
Alkaline AA LR 6  
2 x 1.5V  
Battery power  
supply  
Frequency  
915 MHz  
Type of  
protection  
IP X6  
User range  
98 ft (30 m)  
Further Information:  
Remote  
control  
Up to 6 remote controls  
can be programmed for  
one single appliance.  
Fig. 1  
Parts  
1
2
3
Remote control  
Remote control transceiver PCB  
Support block (used only for  
GWH-635-ES/GWH-635-ESO/  
250SX/250SXO)  
4
PCB connection cable  
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4
 
Remote control installation  
B Lift front cover upward and remove.  
4
Remote control  
installation for: GWH-  
635-ES/GWH-635-  
ESO/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.  
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).  
Pre-installation preparation  
B Disconnect power supply to heater.  
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 Remove plastic decals on front  
panel.  
B Loosen two Philips head screws  
located behind plastic decals.  
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5
 
Remote control installation  
and attach it to the main PCB as  
shown in Fig. 4.  
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.  
Fig. 3  
B Remove the other protective paper  
and attach the remote control PCB  
as shown in Fig. 5.  
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  
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Remote control installation  
B Replace the control unit cover with  
the 4 Philips head screws (Fig. 3,  
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. Ensure all  
connections are secure and tight  
(Fig. 2, pos. 3).  
Wire polarity does not  
matter on the electrode  
wires.  
i
Fig. 4  
Support correct position  
B Pull end of power cord to take up  
excess slack and tighten retaining  
nut on the bottom of the heater.  
B Use the supplied cable to connect  
between the main PCB and the  
remote control PCB as shown in Fig.  
5.  
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. 2, pos. 4).  
B Replace front retaining bar using 5  
Phillips head screws. (Fig. 2, pos 1).  
Fig. 5  
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Remote control installation  
B On heater control panel press and  
hold Program key or  
while turning on the power switch (I).  
Release program key when LCD  
displays “188”.  
4.2 Remote control  
activation  
Before  
the  
remote  
control will work, it must  
be activated using the  
i
LCD shows “P2”. If not, repeat  
previous step.  
procedure  
described  
below with the operator  
standing in front of the  
appliance.  
B Select “P3” using buttons  
and  
on heater.  
B Press and hold Program key  
or  
again for 1 sec.  
The  
remote  
control  
activation  
LCD shows one number and one  
rotating digit. If not, repeat previous  
step.  
instructions vary based on the version  
of control board installed in your  
heater.  
The number represents the remote  
control which is to be registered, the  
first remote control will be registered  
with number “0”, the second with  
number “1” and so on.  
To determine the control board  
version in the water heater:  
B Turn power switch on the water  
heater to the off position (O).  
The rotating digit shows that the  
electronics is expecting a registration.  
If the LCD fails to show a number and  
rotating digit after repeated attempts,  
double check the wire connections  
made in section 4.1.  
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 4.2.1.  
For SU, follow section 4.2.2.  
B Hold remote control in front of the  
control panel on the heater and  
simultaneously press remote control  
4.2.1 AF board  
buttons  
and  
until the  
B Connect power to heater.  
temperature indication is shown on  
the remote control LCD.  
B Move the power switch on the  
appliance to the off position (0).  
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Remote control installation  
B Switch power switch on the  
appliance to the "OFF" (0) position  
and then back "ON" (I).  
simultaneously press remote control  
buttons  
and  
until the  
temperature indication is shown on  
the remote control LCD.  
B Press buttons  
or  
in order  
to reach desired temperature.  
B Switch ON/OFF switch to “OFF”  
position (0) and then back on (I).  
New remote control is programmed.  
B Press buttons  
to reach requested temperature.  
or  
in order  
4.2.2 SU board  
B Connect power to heater.  
New remote control is programmed.  
B Move the main switch on the  
appliance to the "OFF" (0) position.  
B Press and hold  
key while at the  
same time turning the main switch to  
“ON” position (I).  
LCD shows one number and one  
rotating digit. If not repeat previous  
step.  
The number represents the remote  
control which is to be registered, the  
first remote control will be registered  
with number “0”, the second with  
number “1” and so on.  
The rotating digit shows that the  
electronics is expecting a registration.  
If the LCD fails to show a number and  
rotating digit after repeated attempts,  
double check the wire connections  
made in section 4.1.  
B Hold remote control in front of the  
control panel on the heater and  
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Remote control installation  
B Remove the 6 screws from the back  
cover of the control unit, to access  
the electronic board (PCB) (Fig. 7,  
pos.2).  
5
Remote control  
installation for: GWH  
C 950 ES/GWH C800  
ES/GWH 715 ES/  
GWH 2700 ES/  
GWH2400ES  
5.1 Remote control  
transceiver PCB  
installation  
Warning: For safety  
reasons, disconnect  
the power supply to  
the water heater  
before performing  
installation.  
Fig. 7  
Pre-installation preparation  
B Loosen the two Philips head screws  
located on bottom rear of cover.  
B Lift front cover upward and remove.  
B Remove the three screws from the  
control unit (Fig. 7, pos.1).  
Fig. 6  
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10  
 
Remote control installation  
Remote control transceiver PCB  
installation  
remote control PCB as shown in Fig.  
9.  
B Place the remote control PCB in the  
back cover of the control unit as  
shown in Fig. 8.  
Fig. 9  
B Reassemble all parts in the reverse  
order.  
Fig. 8  
5.2 Remote control  
activation  
B Connect the supplied cable  
between the main PCB and the  
Before  
the  
remote  
control will work, it must  
be activated using the  
i
procedure  
described  
below with the operator  
standing in front of the  
appliance.  
B Connect power to heater.  
B Press ON / OFF button on the  
appliance to OFF.  
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11  
 
Remote control installation  
B On heater control panel, press and B Press ON / OFF button on the  
hold Program key  
while  
appliance to OFF position and then  
back ON.  
pressing the ON/OFF button to ON.  
Release program key when LCD  
displays “188”.  
B Press buttons  
desired temperature.  
New remote control is programmed.  
or  
to reach  
LCD shows “P2”. If not, repeat  
previous step.  
1. Press the  
button on the  
heater to select "P3".  
B Press and hold Program key  
again for 1 sec.  
LCD shows one number and one  
rotating digit. If not, repeat previous  
step.  
The number represents the remote  
control which is to be registered, the  
first remote control will be registered  
with number “0”, the second with  
number “1” and so on.  
The rotating digit shows that the  
electronics is expecting a registration.  
If the LCD fails to show a number and  
rotating digit after repeated attempts,  
double check the wire connections  
made in section 5.1.  
B Hold remote control in front of the  
control panel on the heater and  
simultaneously press remote control  
buttons  
and  
until the  
temperature indication is shown on  
the remote control LCD.  
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12  
Remote control  
appears on the remote control dis-  
play (Fig. 11, pos. 1).  
6
Remote control  
6.1 Description of the LCD  
B When the required temperature is  
displayed, turn on the hot water tap.  
B The required temperature will flash  
on the remote control display.  
B The flashing will stop when the  
required temperature is reached  
(tolerance from selected set point +/  
-5°F (+/- 2°C).  
Fig. 10  
Multifunctional LCD  
1
Displays temperature, error codes and  
functions  
2
"Remote  
control  
in  
operation"  
indication (signal arriving at remote  
control)  
3
4
Device in operation (with burner on)  
Temperature  
measurement  
unit  
Fig. 11  
Temperature adjustment  
(possible in °C and °F)  
5
6
7
Remote control battery level indication  
(weak signal coming from the remote  
control)  
Priority function (temperature cannot be  
modified by other user when water is  
running)  
6.3 "Program" button on the  
remote control  
Memorizing the water  
temperature with the remote  
control "Program" button  
"Error code" symbol  
6.2 Hot water temperature  
adjustment by remote  
control  
B Press the buttons  
or  
on  
the remote control (Fig. 12, pos. 2),  
until the required temperature  
appears on the remote control dis-  
play (Fig. 12, pos. 1).  
B Press the buttons  
or  
on  
the remote control (Fig. 11, pos. 2)  
until the required temperature  
B You will now be able to memorize  
this temperature by pressing the  
"Program" button on the remote  
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13  
 
Remote control  
control (Fig. 12, pos. 3) for  
seconds.  
3
Up to sixaddition remote  
controls can be used to  
memorize a temperature  
for each remote control.  
i
Note: Previously saved  
temperature may show  
i
on the display when first  
pushing the program  
button. Once "PR"  
shows on the display,  
the desired setting will  
be saved.  
Using the "Program" button  
(operation  
with  
memorized  
temperature)  
To operate the equipment with  
previously memorized temperature:  
a
B Press the "Program" button on the  
remote control.  
The remote control display and heater  
display will now show the previously  
memorized temperature. When the hot  
water tap is turned on, the water heater  
will supply hot water after  
a
few  
seconds,  
at  
the  
memorized  
temperature.  
Fig. 12  
Memorizing water  
temperature  
B Only one temperature per remote  
control can be memorized using the  
"Program" button on the remote  
control.  
B At this point the remote control will  
display the memorized temperature .  
When the hot water tap is turned on,  
the water heater will supply hot  
water at the temperature memorized  
on the remote control.  
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14  
 
Remote control  
The priority device will not have the  
6.4 "Priority" function  
symbol "  
To clear a device that is locked out with  
the " " symbol (with no hot water  
".  
Temperature cannot be  
memorized or changed  
using the heater's  
i
running) simply:  
control panel buttons or  
a second remote control  
when hot water is in use  
(e.g. during a shower)  
The "Priority" function  
will automatically  
B press and hold both the "  
" and  
"
" buttons on that device for 5  
seconds.  
The "Priority" function ends:  
• 5 minutes after the last use of the  
hot water (return to basic set up).  
activate to stop another  
user from modifying the  
temperature when hot  
water is in use.  
• 2  
memorizing the temperature if no hot  
water is used immediately  
afterwards.  
minutes  
after  
selecting/  
The remote control does not have a  
default temperature setting and  
therefore has no default "Priority"  
function.The "priority" will be attributed  
automatically by the first user who  
selects or memorizes (on the remote  
Acquiring "priority”  
Any user can acquire "priority" for  
subsequent use of hot water, as  
follows:  
control or on the heater’s control B Move the heater's main switch to the  
panel) a temperature for subsequent  
use (e.g. a shower).  
Then, when the hot water is used (e.g.  
for a shower), the heater's display and  
additional remote control displays will  
ON position (I).  
B Press and hold "  
select the desired temperature.  
" or "  
" to  
B Press and hold the "Program" but-  
ton until the symbol "Pr" appears on  
the remote control display.  
show the symbol "  
".  
The temperature may only be modified  
using the same buttons that set it  
(depending on whether the control  
panel or the remote control was used).  
B Use the hot water within two  
minutes of acquiring "priority”.  
6 720 606 990  
15  
 
Troubleshooting  
"Priority" cannot be  
acquired while the hot  
water tap is open.  
Verify that the rubber  
seal is correctly fitted  
between both plastic  
housing parts.  
i
i
6.5 Error messages  
B Close the battery housing using the  
two screws.  
This device has an error message  
system. Any errors that the heater  
generates will be indicated by an error  
code that will appear on the display  
(Fig. 10, pos. 1) and by a symbol  
indicating a "safety block" (Fig. 10,  
pos. 7). The remote control will be  
operative only after pressing the reset  
button on the heater and clearing the  
error.  
Warning: dead  
batteries must be  
replaced.  
Consequently, the  
manufacturer is not  
liable for any faults or  
damage caused by  
dead batteries.  
To identify the type of error or if the  
error will not clear, consult the heater  
installation manual.  
Dispose of the dead  
batteries properly.  
7
Troubleshooting  
7.2 Cleaning  
Use a damp cloth to clean parts of the  
remote control. Do not use abrasive or  
solvent-based detergents.  
7.1 Replacing batteries  
When batteries are weak, the low  
battery symbol (Fig. 10, pos. 5) will  
appear on the display.  
7.3 Troubleshooting  
B Remove the two screws on the back  
of the remote control.  
1. No display on remote control  
B Check for weak or dead batteries  
(see section 7.1).  
B Open the battery housing and  
remove the batteries, then replace  
with new AA 1.5V batteries,  
ensuring they are inserted correctly.  
Remote control in sleep mode.  
6 720 606 990  
 
16  
Troubleshooting  
B Verify there is proper voltage to the  
water heater (120VAC/60Htz).  
If not used for a few  
minutes, the remote's  
display will go blank to  
save the batteries.  
i
B Verify the remote is within the  
maximum distance from the water  
heater of 98 feet.  
B Ensure that no other device in the  
area, such as a cordless phone, is  
operating on a frequency similar to  
the remote (915 MHz) and causing  
interference  
B Simply press any button on the  
remote to bring up the display.  
2. Remote control will not activate  
/ no number with rotating digit  
B Ensure that you are standing directly  
in front of the water heater when  
attempting to activate.  
Large amounts of metal  
or concrete in the  
i
structure may have  
a
B Ensure that no other device in the  
area, such as a cordless phone, is  
operating on a frequency similar to  
the remote (915 MHz) and causing  
interference.  
blocking effect on the  
remote's signal. This  
may alter the maximum  
distance allowable from  
the water heater.  
B Double check all wire connections  
made under section 4.1 or section  
5.1 of the remote control manual.  
Pay close attention to the wire con-  
necting the remote's PCB to the  
heater's main PCB.  
B Move within direct  
line of sight of the  
water heater to see if  
signal will reconnect.  
4. Error code and “  
will not clear from remote  
” symbol  
3. Remote display shows "- -" only  
B Verify the water heater's ON/OFF  
switch is turned to the ON (I)  
position. If the water heater's display  
is still blank, verify the heater is  
plugged into a live 120VAC/ 60Hz  
properly grounded outlet.  
B Error codes cannot be reset by  
using the remote. All errors must be  
cleared by using the reset button  
on the water heater's control  
panel  
6 720 606 990  
17  
 
Troubleshooting  
• If an error code is generated immedi- 6. Priority "  
ately after the installation of the clear  
remote control transceiver PCB,  
" symbol will not  
B Verify no hot water is being used  
when trying to clear "priority"  
function.  
ensure that the two large electrical  
connectors (Fig. ) on the main PCB  
are properly seated.  
B With no hot water running, press  
• Error code may not be resettable.  
Consult water heater's installation  
further troubleshooting on error  
codes.  
and hold the  
or  
buttons for 5 seconds on the locked  
out device (remote or water heater)  
until the "  
Pos. 6) disappears.  
" symbol (Fig. 10,  
5. Remote will not memorize  
desired temperature setting  
B Do not use any hot water for at least  
5
minutes. The priority function  
should automatically clear after this  
time period.  
B Verify that the remote control  
"program" button is depressed until  
the remote display reads "Pr".  
Memorization of a  
selected temperature  
i
only saves to the device  
on which it was originally  
programmed. To  
retrieve a memorized  
temperature setting, you  
must use the device with  
which it was  
programmed.  
6 720 606 990  
18  
 
Notes  
8
Notes  
6 720 606 990  
 
19  
BBT NORTH AMERICA  
Bosch Group  
Bosch Water Heating  
340 Mad River Park  
Waitsfield, Vermont 05673  
800 642-3111  
802 426-6924  
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