Contents Contents Declaration of conformity FCC 3 Remote control data Parts supplied Using the remote control Description of the LCD Remote control transceiver PCB installation Remote control activation 4.3.1 AF board 4.3.2 SU board Hot water temperature adjustment by remote control "Program"...
Safety instructions Safety instructions Declaration of con- formity FCC B Read the following instructions very carefully to ensure correct This device meets the requirements of operation. FCC Directives. B Follow safety instructions. Caution: Any changes or modifications not Caution: The expressly approved remote control can by the party...
Remote control data Remote control data Remote control Remote control transceiver PCB Remote control for temperature adjust- Support block ment of Bosch water heaters GWH- PCB connection cable 635-ES/ESO/250 SX/250SXO/ Using the remote con- 2400E/2400EO. trol Technical Data: Description of the LCD...
Using the remote control Remote control trans- 2) being careful not to damage the foam sealant material on it. ceiver PCB installation B Remove control unit auxiliary cover Warning: For safe- (Fig. 3, pos. 4). ty reasons, discon- B Remove the two electrical strip nect the power connectors inside the auxiliary cover supply to the water...
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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.
Using the remote control B Replace the control unit cover with Remote control the 4 Philips head screws (Fig. 5, activation pos. 1). Before remote B Slide control unit back into heater. control will work, it must B Plug 2 yellow electrode wires from be activated using the the top of the control unit back onto procedure...
Using the remote control B Press buttons while turning on the power switch (I). in order Release program key when LCD to reach requested temperature. displays “188”. New remote control is programmed. LCD shows “P2”. If not, repeat 4.3.2 SU board previous step.
Using the remote control temperature indication is shown on "Program" button on the the remote control LCD. remote control B Switch ON/OFF switch to “OFF” Memorizing water position (0) and then back on (I). temperature with remote B Press buttons in order control "Program"...
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, memorized temperature.
Using the remote control B Press and hold " use (e.g. a shower). " or " " to Then, when the hot water is used (e.g. select the desired temperature. for a shower), the heater's display and B Press and hold the "Program" but- additional remote control displays will ton until the symbol "Pr"...
Troubleshooting Troubleshooting Replacing batteries Cleaning Use a damp cloth to clean parts of the When batteries are weak, the symbol remote control. Do not use abrasive or (Fig. 2, pos. 5) will appear on the solvent-based detergents. display. B Remove the two screws on the back Troubleshooting of the remote control.
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Troubleshooting B Double check all wire connections made under section 4.2 of the Large amounts of metal remote control manual. Pay close or concrete in the attention to the wire connecting the structure may have a remote's PCB to the heater's main blocking effect on the PCB.
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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 saves to the device on which it was originally programmed.
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BBT NORTH AMERICA Bosch Group Bosch Water Heating 340 Mad River Park Waitsfield, Vermont 05673 800 642-3111 (802) 426-6924 For service, see contact information listed on the back of the water heater’s installation manual.