Bosch Appliances Universal Remote 2400E User Manual

BoschRemoteControlfor  
GWH-635-ES/ESO/250SX/250SXO/2400E/2400EO  
 
Safety instructions  
Safety instructions  
1
Declaration of con-  
formity FCC  
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  
expressly approved  
by the party  
responsible for  
compliance could  
void the user’s  
authority to operate  
the equipment.  
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.  
Caution: the remo-  
te  
control  
is  
waterproof and can  
also be used in the  
shower  
vertheless,  
. Ne-  
you  
should ensure it is  
not immersed in  
water, for instance  
in the bathtub  
.
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3
Remote control data  
1
2
3
4
Remote control  
Remote control transceiver PCB  
Support block  
2
Remote control data  
Remote control for temperature adjust-  
ment of Bosch water heaters GWH-  
635-ES/ESO/250 SX/250SXO/  
2400E/2400EO.  
PCB connection cable  
4
Using the remote con-  
trol  
Technical Data:  
4.1 Description of the LCD  
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 Indications:  
Remote  
control  
Up to 6 remote controls  
can be programmed for  
one single appliance..  
Fig. 2  
Multifunctional LCD  
1
Displays temperature, error codes  
and functions  
2
"Remote control in operation"  
indication (signal arriving at remote  
control)  
3
Parts supplied  
3
4
5
Device in operation (with burner  
on)  
Temperature measurement unit  
(possible in °C and °F)  
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
7
"Error code" symbol  
Fig. 1  
Parts  
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4
 
Using the remote control  
2) being careful not to damage the  
foam sealant material on it.  
4.2 Remote control trans-  
ceiver PCB installation  
B Remove control unit auxiliary cover  
(Fig. 3, pos. 4).  
Warning: For safe-  
ty reasons, discon-  
nect the power  
supply to the water  
heater before per-  
forming installation.  
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.  
Pre-installation preparation  
B Disconnect power supply to heater.  
B Remove plastic decals on front  
panel.  
Once auxiliary cover  
is off, pull off the two  
electrical strip  
B Loosen two Philips head screws  
connectors from the  
board. Once off, the  
wiring harness can  
be removed from the  
case by pulling their  
rubber seals  
located behind plastic decals.  
B Lift front cover upward and remove.  
outward.  
Fig. 4  
Electrical strip connectors  
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.  
Fig. 3  
B Remove the 5 screws on the front  
retaining bar (see Fig. 3, pos. 1 and  
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5
 
Using the remote control  
B While holding the board in one hand  
or resting it on a flat surface, remove  
the front cover of the control board  
by removing its 4 screws.  
Remote control transceiver PCB  
installation  
B Remove the protective cover (Fig. 5,  
pos. 2) from one face of the support  
and attach it to the main PCB as  
shown in Fig. 6.  
Fig. 6  
Support correct position  
B Using the supplied cable connect  
between the main PCB and the  
remote control PCB as shown in Fig.  
7.  
Fig. 5  
B Remove the other protective cover  
and attach the remote control PCB  
as shown in Fig. 7.  
Fig. 7  
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6
 
Using the remote control  
B Replace the control unit cover with  
the 4 Philips head screws (Fig. 5,  
pos. 1).  
4.3 Remote control  
activation  
Before  
control will work, it must  
be activated using the  
the  
remote  
B Slide control unit back into heater.  
i
B Plug 2 yellow electrode wires from  
the top of the control unit back onto  
the ignition electrodes (Fig. 3, pos.  
3).  
procedure  
described  
below with the operator  
standing in front of the  
appliance.  
Wire polarity does not  
matter on the electrode  
wires.  
i
The remote control initialization  
instructions vary based on the version  
of control board installed in your  
heater.  
B Pull end of power cord to take up  
excess slack and tighten retaining  
nut on the bottom of the heater.  
To determine the control board  
version in the water 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 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 Replace the control unit auxiliary  
cover. (Fig. 3, pos. 4).  
B If the letters are AF, follow section  
4.3.1. For SU, follow chapter 4.3.2.  
B Replace front retaining bar using 5  
Philips head screws. (Fig. 3, pos 1).  
4.3.1 AF board  
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  
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Using the remote control  
while turning on the power switch (I). B Press buttons  
or  
in order  
Release program key when LCD  
displays “188”.  
to reach requested temperature.  
New remote control is programmed.  
LCD shows “P2”. If not, repeat  
previous step.  
4.3.2 SU board  
B Connect power to heater.  
B Select “P3” using buttons  
and  
on heater.  
B Move the main switch on the  
appliance to the "OFF" (0) position.  
B Press and hold Program key  
B Press and hold  
key while at the  
or  
again for 1 sec.  
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 4.2.  
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 4.2.  
B Hold remote control in front of the  
control panel on the heater and  
press simultaneously remote control  
buttons  
and  
until the  
temperature indication is shown on  
the remote control LCD.  
B Hold remote control in front of the  
control panel on the heater and  
press simultaneously remote control  
B Switch power switch on the  
appliance to the "OFF" (0) position  
and then back "ON" (I).  
buttons  
or  
until the  
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Using the remote control  
temperature indication is shown on  
the remote control LCD.  
4.5 "Program" button on the  
remote control  
B Switch ON/OFF switch to “OFF”  
position (0) and then back on (I).  
Memorizing  
temperature with the remote  
control "Program" button  
the  
water  
B Press buttons  
or  
in order  
to reach requested temperature.  
B Press the buttons  
or  
on  
New remote control is programmed.  
the remote control (Fig. 9, pos. 2), )  
until the required temperature  
appears on the remote control  
display (Fig. 9, pos. 1).  
4.4 Hot water temperature  
adjustment by remote  
control  
B You will now be able to memorize  
this temperature by pressing the  
"Program" button on the remote  
control (Fig. 9, pos. 3) for  
seconds.  
B Press the buttons  
or  
on  
the remote control (Fig. 8, pos. 2)  
until the required temperature  
appears on the remote control  
display (Fig. 8, pos. 1).  
3
B When the required temperature is  
Note: Previously saved  
displayed, turn on the hot water tap.  
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.  
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. 8  
Temperature adjustment  
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9
Using the remote control  
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. 9  
Memorizing water  
temperature  
4.6 "Priority" function  
B Only one temperature per remote  
control can be memorized using the  
"Program" button on the remote  
control.  
Temperature cannot be  
memorized or changed  
using the heater's  
i
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 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.  
activate to stop another  
user from modifying the  
temperature when hot  
water is in use.  
Up to six addition remote  
controls can be used to  
memorize a temperature  
for each remote control.  
i
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  
control or on the heater’s control  
panel) a temperature for subsequent  
Using the "Program" button  
(operation  
with  
memorized  
temperature)  
To operate the equipment with  
previously memorized temperature:  
a
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10  
 
Using the remote control  
use (e.g. a shower).  
B Press and hold "  
" or "  
" to  
Then, when the hot water is used (e.g.  
for a shower), the heater's display and  
additional remote control displays will  
select the desired temperature.  
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  
memorized it (depending on whether  
the control panel or the remote control  
was used). The priority device will not  
B Use the hot water within two  
minutes of acquiring "priority”.  
"Priority" cannot be  
have the symbol "  
To clear a device that is locked out with  
the " " symbol (with no hot water  
".  
acquired while the hot  
water tap is open.  
i
4.7 Error messages  
running) simply:  
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. 2, pos. 1) and by a symbol  
indicating a "safety block" (Fig. 2, pos.  
7). The remote control will be operative  
only after pressing the reset button on  
the heater and clearing the error.  
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).  
2  
memorizing the temperature if no hot  
water is used immediately  
afterwards.  
minutes  
after  
selecting/  
To identify the type of error or if the  
error will not clear, consult chapter 6 of  
the heater installation manual.  
Acquiring "priority”  
Any user can acquire "priority" for  
subsequent use of hot water, as  
follows:  
B Move the heater's main switch to the  
on position (I).  
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Troubleshooting  
5
Troubleshooting  
5.1 Replacing batteries  
5.2 Cleaning  
Use a damp cloth to clean parts of the  
remote control. Do not use abrasive or  
solvent-based detergents.  
When batteries are weak, the symbol  
(Fig. 2, pos. 5) will appear on the  
display.  
B Remove the two screws on the back  
of the remote control.  
5.3 Troubleshooting  
1. No display on remote control  
B Open the battery housing and  
remove the batteries, then replace  
with new AA LR6 1.5V batteries,  
ensuring they are inserted correctly.  
B Check for weak or dead batteries  
(see section 5.1).  
Remote control in sleep mode.  
Verify that the rubber  
seal is correctly fitted  
between both plastic  
housing parts.  
If not used for a few  
minutes, the remote's  
display will go blank to  
save batteries.  
i
i
B Close the battery housing using the  
two screws.  
B simply press any button on the  
remote to bring up the display.  
2. Remote control will not activate  
/ no number with rotating digit  
Warning: dead bat-  
teries  
must  
be  
replaced.  
Consequently,  
B Ensure that you are standing directly  
in front of the water heater when  
attempting to activate.  
the  
manufacturer is not  
liable for any faults or  
damage caused by  
dead batteries.  
Dispose of the dead  
batteries properly.  
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.  
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12  
 
Troubleshooting  
B Double check all wire connections  
made under section 4.2 of the  
remote control manual. Pay close  
attention to the wire connecting the  
remote's PCB to the heater's main  
PCB.  
Large amounts of metal  
or concrete in the  
i
structure may have a  
blocking effect on the  
remote's signal. This  
may alter the maximum  
distance allowable from  
the water heater.  
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/ 60Htz  
properly grounded outlet.  
B Move within direct  
line of sight of the  
water heater to see if  
signal will reconnect.  
B Verify there is proper voltage to the  
water heater (120VAC/60Htz).  
4. Error code and “  
will not clear from remote  
” symbol  
B Verify the remote is within the  
maximum distance from the water  
heater of 98 feet.  
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 main  
control panel  
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  
• If an error code is generated immedi-  
ately after the installation of the  
remote control transceiver PCB,  
ensure two large electrical connec-  
tors (Fig. 4) on the main PCB are  
properly seated.  
• Error code may not be resettable.  
Consult water heater's installation  
further troubleshooting on error  
codes.  
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13  
 
Troubleshooting  
5. Remote will not memorize  
desired temperature setting  
B Verify that the remote control  
"program" button is depressed until  
the remote display reads "Pr".  
Memorization of a se-  
lected temperature only  
i
saves to the device on  
which it was originally  
programmed. To re-  
trieve a memorized tem-  
perature setting, you  
must use the device with  
which it was pro-  
grammed.  
6. Priority "  
clear  
" symbol will not  
B Verify no hot water is being used  
when trying to clear "priority"  
function.  
B With no hot water running, press  
and hold the “  
” or “  
” button  
for 5 seconds on the locked out  
device (remote or water heater) until  
the "  
" symbol (Fig. 2, Pos. 6)  
disappears.  
B Do not use any hot water for at least  
5 minutes. The priority function  
should automatically clear after this  
time period.  
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14  
Notes  
6
Notes  
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15  
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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