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6 720 606 990 (2014/06)

Remote Control

Remote control installation for: GWH C920 ES/GWH C920ESC /GWH C800 ES/GWH 

5

Remote control installation for: GWH C920 ES/GWH C920ESC /GWH C800 ES/GWH 715 
ES/ GWH 2700 ES/GWH2400ES/EVOLUTION500/INTEGRA500/C1210ES/C1210ESC/
C1050ES/C950ES/940ES/940ESO/830ES

5.1

Remote control transceiver PCB installation

WARNING: 

For safety reasons, disconnect 

the power supply to the water heater before 
performing installation.

Pre-installation preparation

▶ 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. 8, 

[1]).

Fig. 7

 

 

▶ Remove the 6 screws from the back cover of the control 

unit, to access the electronic board (PCB) (Fig. 8, [2]).

6720606990-10.1AL

Fig. 8

 

 

Remote control transceiver PCB installation

▶ Place the remote control PCB in the back cover of the 

control unit as shown in Fig. 9.

Fig. 9

 

 

 

▶ Connect the supplied cable between the main PCB and the 

remote control PCB as shown in Fig. 10.

Fig. 10

 

 

 

▶ Reassemble all parts in the reverse order.

Summary of Contents for Remote Control

Page 1: ...635 ESO 250SX 250SXO 2400E 2400EO 2400ES 2700ES 715ES C800ES C920ES C920ESC EVOLUTION 500 INTEGRA 500 C1210ES C1210ESC C1050ES C950ES 940ES 940ESO 830ES Bosch Remote Control 6720606990 00 1JS 6 720 606 990 2014 06 US ...

Page 2: ...emote control installation for GWHC920ES GWH C920ESC GWH C800 ES GWH 715 ES GWH 2700 ES GWH2400ES EVOLUTION500 INTEGRA500 C1210ES C1210ESC C1050ES C950ES 940ES 940ESO 830ES 7 5 1 Remote control transceiver PCB installation 7 5 2 Remote control activation 8 6 Remote control 8 6 1 Description of the LCD 8 6 2 Hot water temperature adjustment by remote control 9 6 3 Program button on the remote contr...

Page 3: ...ollowingcountries UnitedStates of America and Canada 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 2 Remote control data Remote control for temperature adjustment of Bosch water h...

Page 4: ...ycover Fig 4 seediagrambelow andthenloosen the 110V power supply cord retaining nut located underneaththeheater Onceloosened thepowercordcan be pulled up through the heater to provide sufficient slack Once auxiliary cover isoff pulloffthetwo electrical strip con nectors from the board Once off the wiring harness can beremovedfromthe case by pulling their rubber seals out ward Fig 3 Electrical stri...

Page 5: ...ctions vary based on the version of control board installed in your heater Todeterminethecontrolboardversioninthewaterheater Turn power switch on the water heater to the off position O Whenturningpowerswitchtotheonposition notethefirst twolettersthatappearonthedisplay shouldbeAForSU 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 t...

Page 6: ...d 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 repeatedattempts doublecheckthewireconnectionsmadein section 4 1 Hold remote control in front of the control panel on the heater and simultaneously press remote control but...

Page 7: ...performing installation Pre installation preparation LoosenthetwoPhilipsheadscrewslocatedonbottomrear of cover Lift front cover upward and remove Remove the three screws from the control unit Fig 8 1 Fig 7 Remove the 6 screws from the back cover of the control unit to access the electronic board PCB Fig 8 2 6720606990 10 1AL Fig 8 Remote control transceiver PCB installation Place the remote contro...

Page 8: ...he rotating digit shows that the electronics is expecting a registration IftheLCDfailstoshowanumberandrotatingdigit after repeated attempts double check the wire connections made in section 5 1 Hold remote control in front of the control panel on the heater and simultaneously press remote control buttons and until the temperature indication is shown on the remote control LCD PressON OFFbuttononthe...

Page 9: ...e remote control Fig 13 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 13 Memorizing water temperature Only one temperature per remote control can be memorized using the Program button on the remote control At this point the remote control will display the memorized t...

Page 10: ...on the remote control display Use the hot water within two minutes of acquiring priority 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 11 1 and by a symbol indicating a safety block Fig 11 7 The remote control will be o...

Page 11: ...m for further troubleshooting on error codes 5 Remote will not memorize desired temperature setting 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 Priori...

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