Instruction/ maintenance manual of the product 250SX Bosch Appliances
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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.
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 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.
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.
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.
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 .
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.
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.
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.
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 .
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 " ".
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.
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.
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".
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.
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).
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However, one of the most important roles played by the user manual is to help in solving problems with Bosch Appliances 250SX. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bosch Appliances 250SX along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
