Bosch 2400ES User's Manual
Contents
1. Bosch Remote Control for GWH 635 ES 635 ESO 250SX 250SXO 2400E 2400EO 2400ES 2700ES 715ES C800ES 6 720 606 990 2007 01 AL BOSCH Contents Contents FCC Declaration of conformity 3 5 2 Remote control data 4 3 Remote control Kit 4 3 1 Parts supplied 4 4 Remote control installation for GWH 635 ES GWH 635 ESO 250SX 250SXO 2400E 2400EO 5 4 1 Remote control transceiver PCB installation 5 4 2 Remote control activation 8 4 2 1 AF board 8 4 2 2 SU board 9 Remote control installation for GWH C 950 ES GWH C800 ES GWH 715 ES GWH 2700 ES GWH2400ES 10 5 1 Remote control transceiver PCB installation 10 5 2 Remote control activation 1 6 Remote control 13 6 1 Description of the LCD 13 6 2 Hot water temperature adjustment by remote control 13 6 3 Program button on the remote control 13 6 4 Priority function 15 6 5 Error messages 16 7 Troubleshooting 16 7 1 Replacing batteries 16 7 2 Cleaning 16 7 3 Troubleshooting 16 8 Notes 19 6 720 606 990 Safety instructions Safety instructions gt Read the following instructions very carefully to ensure correct operation gt Follow safety instructions A 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 is water resistant and can also be used in the shower Y2. 6 720 606 990 Remote control 6 Remote control appears on the remote control dis play Fig 11 pos 1 6 1 Description of the LCD When the required temperature is displayed turn on the hot water tap gt The required temperature will flash amp m vo on the remote control display N 1 gt The flashing will stop when the m required temperature is reached AtTen tolerance from selected set point 3 5 F 2 C Fig 10 Multifunctional LCD 1 Displays temperature error codes and functions 2 Remote control in operation indication signal arriving at remote control 3 Device in operation with burner on g 4 Temperature measurement unit 3 possible in C and F Fig 11 Temperature adjustment 5 Remote control battery level indication 4 i weak signal coming from the remote 6 3 Program button on the control remote control 6 Priority function temperature cannot be modified by other user when water is Memorizing the water running i 7 Error code symbol temperature with the remote 6 2 Hot water temperature adjustment by remote control gt Press the buttons A or Z on the remote control Fig 11 pos 2 until the required temperature control Program button gt Press the buttons A or Z on the remote control Fig 12 pos 2 until the required tempe
3. 98 feet 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 Large amounts of metal or concrete in the structure may have a blocking effect on the remote s signal This may alter the maximum distance allowable from the water heater gt Move within direct line of sight of the water heater to see if signal will reconnect 4 Error code and A symbol will not clear from remote Error codes cannot be reset by using the remote All errors must be cleared by using the reset button A on the water heater s control panel 6 720 606 990 17 Troubleshooting 5 If an error code is generated immedi ately 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 Remote will not memorize desired temperature setting gt Verify that the remote control program button is depressed until the remote display reads Pr Memorization of a selected temperature only saves to the device on which it was originally programmed To retrieve a memorized temperature setting you must use the device with which it was programmed 6 Priority symbo
4. Nevertheless it is not waterproof and must not be immersed in water for instance in the bathtub a 1 FCC Declaration of conformity This device meets the requirements of FCC Directives Caution The remote control can be used only in the following countries United States of America and Canada FC 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 6 720 606 990 Remote control data 2 Remote control data Remote control for temperature adjustment of Bosch water heaters Technical Data Battery power supply Alkaline AA LR 6 2x 1 5V Frequency 915 MHz Type of protection IPS User range 98 ft 30 m Further Information Remote control Up to 6 remote controls can be programmed for one single appliance 3 Remote control Kit 3 1 Parts supplied cD K S oo 6720606990 03 1JS Fig 1 QOn Parts Remote control Remote control transceiver PCB Support block used only for GWH 635 ES GWH 635 ESO 250SX 250SXO PCB connection cable 6 720 606 990 Remote control installation 4 Remote control gt Lift front cover upward and remove installation for GWH 635 ES GWH 635 ESO 250SX 250
5. SXO 2400E 2400EO 4 1 Remote control transceiver PCB installation SA ae 03 Warning For safety A reasons disconnect Fig 2 the power supply to the water heater before performing installation gt Pre installation preparation Disconnect power supply to heater Remove plastic decals on front panel Loosen two Philips head screws located behind plastic decals Remove the 5 screws on the front retaining bar see Fig 2 pos 1 and 2 being careful not to damage the foam sealant material on it Remove control unit auxiliary cover Fig 2 pos 4 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 6 720 606 990 Remote control installation 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 6720606990 09 1JS gt At the ignition electrodes pull off the 2 yellow igniter wires that come from the top of the control unit Fig 2 pos 3 Then pull the complete control unit forward and out of the heater pull up the power supply cord further if more slack is needed gt Wh
6. batteries Dispose of the dead batteries properly 7 2 Cleaning Use a damp cloth to clean parts of the remote control Do not use abrasive or solvent based detergents 7 3 Troubleshooting 1 No display on remote control Check for weak or dead batteries see section 7 1 Remote control in sleep mode 16 6 720 606 990 Troubleshooting If not used for a few minutes the remote s display will go blank to save the batteries gt Simply press any button on the remote to bring up the display 2 Remote control will not activate no number with rotating digit gt Ensure that you are standing directly in front of the water heater when attempting to activate 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 Double check all wire connections made under section 4 1 or section 5 1 of the remote control manual Pay close attention to the wire con necting the remote s PCB to the heater s main PCB 3 Remote display shows only gt 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 60Hz properly grounded outlet Verify there is proper voltage to the water heater 120VAC 60Htz gt Verify the remote is within the maximum distance from the water heater of
7. iary cover Fig 2 pos 4 gt Replace front retaining bar using 5 Phillips head screws Fig 2 pos 1 Fig 5 6 720 606 990 7 Remote control installation 4 2 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 To determine the control board version in the water heater gt Turn power switch on the water heater to the off position O When turning power switch to the on position note the first two letters that appear on the display should be AF or SU gt If the letters are AF follow section 4 2 1 For SU follow section 4 2 2 4 2 1 AF board Connect power to heater Move the power switch on the appliance to the off position 0 On heater control panel press and hold Program key D or CPD while turning on the power switch I Release program key when LCD displays 188 LCD shows P2 previous step gt Select P3 using buttons A and on heater gt Press and hold Program key CMD or CP again for 1 sec If not repeat 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 w
8. ile holding the unit in one hand or resting it on a flat surface remove the front cover of the control unit by removing the 4 screws Remote control transceiver PCB installation gt Open control unit top cover Fig 3 pos 1 gt Remove the protective paper Fig 3 pos 2 from one face of the support and attach it to the main PCB as shown in Fig 4 Fig 3 Remove the other protective paper and attach the remote control PCB as shown in Fig 5 6 720 606 990 Remote control installation gt Replace the control unit cover with the 4 Philips head screws Fig 3 pos 1 gt Slide control unit back into heater gt 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 Wire polarity does not matter on the electrode 8720808990 08 1 S wires Fig 4 Support correct position gt Use the supplied cable to connect Pull end of power cord to take up between the main PCB and the excess slack and tighten retaining remote control PCB as shown in Fig nut on the bottom of the heater 5 gt Reinstall the two electrical strip connectors onto the PCB The Remote PCB larger connector connects to the lower connection on the PCB Reseat the rubber seals for both connectors gt Replace the control unit auxil
9. ill 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 1 Hold remote control in front of the control panel on the heater and simultaneously press remote control buttons G and QJ until the temperature indication is shown on the remote control LCD 6 720 606 990 Remote control installation gt Switch power switch on the appliance to the OFF 0 position and then back ON I gt Press buttons or S in order to reach desired temperature New remote control is programmed 4 2 2 SU board Connect power to heater gt Move the main switch on the appliance to the OFF 0 position gt Press and hold key while at the 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 1 gt Hold remote control in front of
10. l will not clear Verify no hot water is being used when trying to clear priority function gt With no hot water running press and hold the or GW buttons for 5 seconds on the locked out device remote or water heater until the symbol Fig 10 Pos 6 disappears Do not use any hot water for at least 5 minutes The priority function should automatically clear after this time period 18 6 720 606 990 Notes 8 Notes 6 720 606 990 19 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
11. nd the Before the remote control will work it must be activated using the procedure described below with the operator standing in front of the appliance Connect power to heater gt Press ON OFF button on the appliance to OFF 6 720 606 990 11 Remote control installation On heater control panel press and hold Program key while pressing the ON OFF button to ON Release program key when LCD displays 188 LCD shows P2 previous step If not repeat 1 Press the button on the heater to select P3 gt Press and hold Program key P again for 1 sec 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 5 1 gt Hold remote control in front of the control panel on the heater and simultaneously press remote control buttons A and V until the temperature indication is shown on the remote control LCD gt Press ON OFF button on the appliance to OFF position and then back ON gt Press buttons A or Z to reach desired temperature New remote control is programmed 12
12. osition I Press and hold A or 7 to select the desired temperature gt Press and hold the Program but ton until the symbol Pr appears on the remote control display gt Use the hot water within two minutes of acquiring priority 6 720 606 990 15 Troubleshooting Priority cannot be acquired while the hot water tap is open 6 5 Error messages 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 10 pos 1 and by a symbol indicating a safety block Fig 10 pos 7 The remote control will be operative only after pressing the reset button on the heater and clearing the error To identify the type of error or if the error will not clear consult the heater installation manual 7 Troubleshooting 7 1 Replacing batteries When batteries are weak the low battery symbol Fig 10 pos 5 will appear on the display Remove the two screws on the back of the remote control Open the battery housing and remove the batteries then replace with new AA 1 5V batteries ensuring they are inserted correctly Verify that the rubber seal is correctly fitted between both plastic housing parts Close the battery housing using the two screws Warning dead batteries must be replaced Consequently the manufacturer is not liable for any faults or damage caused by dead
13. rature appears on the remote control dis play Fig 12 pos 1 You will now be able to memorize this temperature by pressing the Program button on the remote 6 720 606 990 13 Remote control control Fig 12 pos 3 for 3 seconds 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 Fig 12 Memorizing water temperature Only one temperature per remote control can be memorized using the Program button on the remote control gt 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 Up to six addition remote controls can be used to memorize a temperature for each remote control Using the Program button operation with memorized temperature To operate the equipment with a previously memorized temperature gt 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 14 6 720 606 990 Remote control 6 4 Priority function Temperature cannot be memorized or changed u
14. sing 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 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 heaters control panel a temperature for subsequent use e g a shower Then when the hot water is used e g for a shower the heater s display and additional remote control displays will show the symbol e The temperature may only be modified using the same buttons that set it depending on whether the control panel or the remote control was used The priority device will not have the symbol e To clear a device that is locked out with the symbol with no hot water running simply gt press and hold both the A and J 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 minutes after selecting memorizing the temperature if no hot water is used immediately afterwards Acquiring priority Any user can acquire priority for subsequent use of hot water as follows gt Move the heater s main switch to the ON p
15. the control panel on the heater and simultaneously press remote control buttons A and until the temperature indication is shown on the remote control LCD gt Switch ON OFF switch to OFF position 0 and then back on I gt Press buttons A or Z in order to reach requested temperature New remote control is programmed 6 720 606 990 Remote control installation 5 Remote control gt Remove the 6 screws from the back installation for GWH cover of the control unit to access C 950 ES GWH C800 the electronic board PCB Fig 7 2 ES GWH 715 ES en GWH 2700 ES A GWH2400ES 5 1 Remote control transceiver PCB installation Warning For safety AN reasons disconnect the power supply to the water heater before performing installation Pre installation preparation gt Loosen the two Philips head screws located on bottom rear of cover Lift front cover upward and remove Remove the three screws from the control unit Fig 7 pos 1 10 6 720 606 990 Remote control installation Remote control transceiver PCB remote control PCB as shown in Fig installation 9 Place the remote control PCB in the back cover of the control unit as shown in Fig 8 Fig 9 gt Reassemble all parts in the reverse order Fig 8 5 2 Remote control gt Connect the supplied cable activation between the main PCB a
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