Remote Control Installation For: Gwh 635 Es/Gwh 635 Eso/250Sx/250Sxo/2400E/2400Eo; Remote Control Transceiver Pcb Installation - Bosch Remote Control Manual
For: gwh 635 es/635 eso/250sx/250sxo/2400e /2400eo/2400es/2700es/715es/c800es/c920es /c920esc/evolution 500/integra 500/c1210es /c1210esc/c1050es/c950es/940es/940eso/830es
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4 | Remote control installation for: GWH 635 ES/GWH 635 ESO/250SX/250SXO/
4
Remote control installation for: GWH 635 ES/GWH 635 ESO/250SX/250SXO/2400E/
2400EO
4.1
Remote control transceiver PCB installation
WARNING: For safety reasons, disconnect
the power supply to the water heater before
performing installation.
Pre-installation preparation
▶ Disconnect power supply to heater.
▶ Remove plastic decals on front panel.
▶ Loosen two Phillips head screws located behind plastic
decals.
▶ Lift front cover upward and remove.
Fig. 2
▶ Remove the 5 screws on the front retaining bar (see Fig. 2,
[1] and [2]) being careful not to damage the foam sealant
material on it.
▶ Remove control unit auxiliary cover (Fig. 2, [4]).
▶ Remove the two electrical strip connectors inside the
auxiliary cover (Fig. 4, 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 (2014/06)
Fig. 3
Electrical strip connectors
▶ At the ignition electrodes, pull off the 2 yellow igniter wires
that come from the top of the control unit (Fig. 2,[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.
▶ While 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
▶ Open control unit top cover (Fig. 4,[1]).
▶ Remove the protective paper (Fig. 4, [2]) from one face of
the support and attach it to the main PCB as shown in
Fig. 5.
Fig. 4
Once auxiliary cover
is off, pull off the two
electrical strip con-
nectors from the
board. Once off, the
wiring harness can
be removed from the
case by pulling their
rubber seals out-
ward.
Remote Control
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