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Bosch Remote Control for 

GWH-635-ES/ESO/250SX/250SXO/2400E/2400EO

6 72

0 606 

990 (

07.

01) 

JS

6720606990-0701_(Remote control).fm  Page 1  Tuesday, January 30, 2007  10:07 AM

Summary of Contents for GWH-2400E

Page 1: ...Bosch Remote Control for GWH 635 ES ESO 250SX 250SXO 2400E 2400EO 6 720 606 990 07 01 JS ...

Page 2: ...CD 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 Program button on the remote control 9 4 6 Priority function 10 4 7 Error messages 11 5 Troubleshooting 12 5 1 Replacing batteries 12 5 2 Cleaning 12 5 3 Troubleshooting 12 6 Notes 15 ...

Page 3: ...ot cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation 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 remo te control is waterproof and can also be used in the shower Ne vertheless you shou...

Page 4: ...D 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 4 Temperature measurement unit possible in C and F 5 Remote control battery level indication weak signal coming from the remote control 6 Priority function temperature cannot be modified by other user when water is running 7 Error code s...

Page 5: ...gram 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 Fig 4 Electrical strip connectors B At the ignition electrodes pull off the 2 yellow igniter wires that come from the top of the control board Fig 3 pos 3 Then pull the complete control board forward and out o...

Page 6: ... control transceiver PCB installation B Remove the protective cover Fig 5 pos 2 from one face of the support and attach it to the main PCB as shown in Fig 6 Fig 5 B Remove the other protective cover and attach the remote control PCB as shown in Fig 7 Fig 6 Support correct position B Using the supplied cable connect between the main PCB and the remote control PCB as shown in Fig 7 Fig 7 ...

Page 7: ...ad screws Fig 3 pos 1 4 3 Remote control activation The remote control initialization instructions vary based on the version of control board installed in your heater To determine the control board version in the water heater B Turn power switch on the water heater to the off position O B When turning power switch to the on position note the first two letters that appear on the display should be A...

Page 8: ...ns and until the temperature indication is shown on the remote control LCD 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 requested temperature New remote control is programmed 4 3 2 SU board B Connect power to heater B Move the main switch on the appliance to the OFF 0 position B Press and hold key while at the same time turnin...

Page 9: ...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 8 Temperature adjustment 4 5 Program button on the remote control Memorizing the water temperature with the remote control Program button B Press the buttons or on the remote control Fig 9 pos 2 until the required temperature appears o...

Page 10: ... 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 4 6 Priority function 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 ...

Page 11: ... is used immediately afterwards Acquiring priority Any user can acquire priority for subsequent use of hot water as follows B Move the heater s main switch to the on position I B Press and hold or to select the desired temperature B Press and hold the Program but ton until the symbol Pr appears on the remote control display B Use the hot water within two minutes of acquiring priority 4 7 Error mes...

Page 12: ...ead batteries see section 5 1 Remote control in sleep mode 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 B Ensure that no other device in the area such as a cordless phone is operating on a frequency similar to the remot...

Page 13: ...rating on a frequency similar to the remote 915 MHz and causing interference 4 Error code and symbol will not clear from remote B Error codes cannot be reset by using the remote All errors must be cleared by using the reset button on the water heater s main control panel If an error code is generated immedi ately after the installation of the remote control transceiver PCB ensure two large electri...

Page 14: ...ion B With no hot water running press and hold the or button for 5 seconds on the locked out device remote or water heater until the symbol Fig 2 Pos 6 disappears B Do not use any hot water for at least 5 minutes The priority function should automatically clear after this time period i Memorization of a se lected temperature only saves to the device on which it was originally programmed To re trie...

Page 15: ...15 Notes 6 720 606 990 6 Notes ...

Page 16: ...TH 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 ...

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