6720606990-0701_(Remote control)16Nov.fm Page 1 Friday, November 16, 2007 3:04 PM Bosch Remote Control for: GWH-635-ES/635-ESO/250SX/250SXO/ 6 720 606 990 (2007.
6720606990-0701_(Remote control)16Nov.fm Page 2 Friday, November 16, 2007 3:04 PM Contents Contents 1 FCC Declaration of conformity 3 2 Remote control data 4 3 3.1 Remote control Kit Parts supplied 4 4 4 Remote control installation for: GWH-635-ES/GWH-635ESO/250SX/250SXO/2400E/ 2400EO Remote control transceiver PCB installation Remote control activation AF board SU board 4.1 4.2 4.2.1 4.2.2 2 5 5.1 5.2 6 6.1 6.
6720606990-0701_(Remote control)16Nov.fm Page 3 Friday, November 16, 2007 3:04 PM 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 expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
6720606990-0701_(Remote control)16Nov.fm Page 4 Friday, November 16, 2007 3:04 PM Remote control data 2 Remote control data Remote control for temperature adjustment of Bosch water heaters. 3 Remote control Kit 3.1 Parts supplied Technical Data: Battery power supply Alkaline AA LR 6 2 x 1.5V 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.
6720606990-0701_(Remote control)16Nov.fm Page 5 Friday, November 16, 2007 3:04 PM Remote control installation 4 B Lift front cover upward and remove. 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. Fig. 2 B Remove the 5 screws on the front retaining bar (see Fig. 2, pos.
720606990-0701_(Remote control)16Nov.fm Page 6 Friday, November 16, 2007 3:04 PM 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).
6720606990-0701_(Remote control)16Nov.fm Page 7 Friday, November 16, 2007 3:04 PM 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). i Fig. 4 Wire polarity does not matter on the electrode wires.
6720606990-0701_(Remote control)16Nov.fm Page 8 Friday, November 16, 2007 3:04 PM Remote control installation 4.2 i Remote control activation Before the remote control will work, it must be activated using the procedure described below with the operator standing in front of the appliance. The remote control activation instructions vary based on the version of control board installed in your heater.
6720606990-0701_(Remote control)16Nov.fm Page 9 Friday, November 16, 2007 3:04 PM Remote control installation B Switch power switch on the appliance to the "OFF" (0) position and then back "ON" (I). B Press buttons or in order to reach desired temperature. New remote control is programmed. simultaneously press remote control buttons and until the temperature indication is shown on the remote control LCD. B Switch ON/OFF switch to “OFF” position (0) and then back on (I). 4.2.
6720606990-0701_(Remote control)16Nov.fm Page 10 Friday, November 16, 2007 3:04 PM Remote control installation 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. B Remove the 6 screws from the back cover of the control unit, to access the electronic board (PCB) (Fig. 7, pos.2). Fig.
6720606990-0701_(Remote control)16Nov.fm Page 11 Friday, November 16, 2007 3:04 PM 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.
6720606990-0701_(Remote control)16Nov.fm Page 12 Friday, November 16, 2007 3:04 PM Remote control installation B On heater control panel, press and hold Program key while pressing the ON/OFF button to ON. Release program key when LCD displays “188”. B Press ON / OFF button on the appliance to OFF position and then back ON. LCD shows “P2”. If not, repeat previous step. New remote control is programmed. 1. Press the B Press buttons or desired temperature. to reach button on the heater to select "P3".
6720606990-0701_(Remote control)16Nov.fm Page 13 Friday, November 16, 2007 3:04 PM Remote control 6 Remote control 6.1 Description of the LCD appears on the remote control display (Fig. 11, pos. 1). 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 1 2 3 4 5 6 7 6.
6720606990-0701_(Remote control)16Nov.fm Page 14 Friday, November 16, 2007 3:04 PM Remote control control (Fig. 12, pos. 3) for 3 seconds. i Note: Previously saved temperature may show on the display when first pushing the program button. Once "PR" shows on the display, the desired setting will be saved. i Up to six addition remote controls can be used to memorize a temperature for each remote control.
6720606990-0701_(Remote control)16Nov.fm Page 15 Friday, November 16, 2007 3:04 PM Remote control 6.4 i "Priority" function Temperature cannot be memorized or changed using the heater's control panel buttons or a second remote control when hot water is in use (e.g. during a shower) The "Priority" function will automatically activate to stop another user from modifying the temperature when hot water is in use.
6720606990-0701_(Remote control)16Nov.fm Page 16 Friday, November 16, 2007 3:04 PM Troubleshooting i 6.5 "Priority" cannot be acquired while the hot water tap is open. 7.1 Troubleshooting Replacing batteries When batteries are weak, the low battery symbol (Fig. 10, pos. 5) will appear on the display. B Remove the two screws on the back of the remote control. B Open the battery housing and remove the batteries, then replace with new AA 1.5V batteries, ensuring they are inserted correctly.
6720606990-0701_(Remote control)16Nov.fm Page 17 Friday, November 16, 2007 3:04 PM Troubleshooting i If not used for a few minutes, the remote's display will go blank to save the batteries. 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.
6720606990-0701_(Remote control)16Nov.fm Page 18 Friday, November 16, 2007 3:04 PM Troubleshooting • If an error code is generated immediately after the installation of the remote control transceiver PCB, ensure that the two large electrical connectors (Fig. ) on the main PCB are properly seated. • Error code may not be resettable. Consult water heater's installation manual or www.boschpro.com for further troubleshooting on error codes. 5.
6720606990-0701_(Remote control)16Nov.
6720606990-0701_(Remote control)16Nov.fm Page 20 Friday, November 16, 2007 3:04 PM 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.