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Bosch Appliances 250SX manual

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Table of contents for the manual

  • Page 1

    Bosch Remote Control for GWH-635-ES/ESO/250SX/250SXO/2400E/2400EO 6 720 606 990 (07.01) JS 6720606990-0701_(Remote con trol).fm Page 1 Tuesday, January 30, 200 7 10:07 AM[...]

  • Page 2

    2 Contents 6 720 606 990 Contents 1 Declaration of conformity FCC 3 2 Remote control data 4 3 Parts supplied 4 4 Using the remote control 4 4.1 Description of the LCD 4 4.2 Remote control transceiver PCB installation 5 4.3 Remote control activation 7 4.3.1 AF board 7 4.3.2 SU board 8 4.4 Hot water temperature adjustment by remote control 9 4.5 &quo[...]

  • Page 3

    3 Safety instructions 6 720 606 990 Safety instructions B Read the following instructions very carefully to ensure co rrect operation. B Follow safety instructions. 1 Declaration of con- formity FCC This device meets the requirements of FCC Directives. T h i s d e v i c e c o m p l i e s w i t h P a r t 1 5 o f the FCC rules. Oper ation is subject [...]

  • Page 4

    4 Remote contro l data 6 720 606 990 2 Remote control data Remote control for temperature a djust- ment of Bosch water hea ters GWH- 635-ES/ESO/250 SX/ 250SXO/ 2400E/2400EO. Technical Data : Further Indications: 3 Parts supplied Fig. 1 Parts 1 Remote control 2 Remote control transceiver PCB 3 Support block 4 PCB connection cable 4 Using the remote [...]

  • Page 5

    5 Using the remote control 6 720 606 990 4.2 Remote control tr ans- ceiver PCB installation Pre-installation preparation B Disconnect power su pply 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. 3 B Remove the 5 scre ws on the front retain[...]

  • Page 6

    6 Using the remote control 6 720 606 990 B While holding the board in one hand or resting it on a flat surface, rem ove the front cover of the control boa rd by removing its 4 screws. Remote control transceiver PCB installation B Remove the prot ective cover (Fig . 5, pos. 2) from one face of the support and attach it to the main PCB as shown in Fi[...]

  • Page 7

    7 Using the remote control 6 720 606 990 B Replace the control unit cover with the 4 Philips head screws (Fig. 5, pos. 1). B Slide control un it back into heater. B Plug 2 yellow elec trode wire s from the top of the control unit back onto the ignition electrod es (Fig. 3, pos. 3). B Pull end of power cord to take up excess slack and tighten retain[...]

  • Page 8

    8 Using the remote control 6 720 606 990 while turning on th e power switch (I). Release program key when LCD displays “188”. LCD shows “P2”. If not, repeat previous s tep. B Select “P3” us ing buttons and on heater. B Press and hold Program key or again f or 1 sec. LCD shows one nu mber and one rotating digit. If not, repeat previous s[...]

  • Page 9

    9 Using the remote control 6 720 606 990 temperature i ndication is sho wn on the remote control LCD. B Switch ON/OFF switch to “OFF” position (0) and then back on (I). B Press buttons or in order to reach requested temperature. New remote control is programmed. 4.4 Hot water temperature adjustment by remote control B Press the buttons or on th[...]

  • Page 10

    10 Using the remote control 6 720 606 990 Fig. 9 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 te mperature . When the hot water tap is turned on, the water heater will supply hot water [...]

  • Page 11

    11 Using the remote control 6 720 606 990 use (e.g. a sho wer). Then, when the h ot water is used (e.g. for a shower), the heater' s display and additional remote control displays will show the symbol " ". The temperature may only be mo dified using the same buttons that memorized it (depending on whether the control pane l or the re[...]

  • Page 12

    12 Troubleshooting 6 720 606 990 5 Troubleshooting 5.1 Replacing batter ies When batteries are weak, the symbol ( F i g . 2 , p o s . 5 ) w i l l a p p e a r o n t h e display. B Remove the two screws on the back of the remote control. B Open the battery ho using and remove the batteries, then replace with new AA LR6 1.5V batteries, ensuring they a[...]

  • Page 13

    13 Troubleshooting 6 720 606 990 B Double check all wire c onnections made under section 4.2 of the remote control manual. P ay close attention to the wire connecting the remote's PCB to the heater's main PCB. 3. Remote disp lay shows "- -" only B Verify the w ater heat er's ON/OFF switch is turned to the ON (I) position. I[...]

  • Page 14

    14 Troubleshooting 6 720 606 990 5. Remote will not memorize desired tempe rature settin g B Verify th at the remo te control "program" button is depressed until the remote display reads "Pr". 6 . P r i o r i t y " " s y m b o l w i l l n o t clear B Verify no hot water is be ing used when trying to clear "priorit[...]

  • Page 15

    15 Notes 6 720 606 990 6N o t e s 6720606990-0701_(Remote con trol).fm Page 15 Tuesday, Janu ary 30, 2007 10:0 7 AM[...]

  • Page 16

    BBT NORTH AME RICA Bosch Group Bosch Wat er Heating 340 Mad River Park Waitsfield, V ermont 05673 800 642-3111 (802) 426-6924 For service, see contact information l isted on the back of the water heater ’s installation manua l. 6720606990-0701_(Remote con trol).fm Page 16 Tuesday, Janu ary 30, 2007 10:0 7 AM[...]