Using the remote control
4.2Remote control trans- ceiver PCB installation
Warning: For safe- ty reasons, discon- nect the power supply to the water heater before per- forming installation.
Pre-installation preparation
BDisconnect power supply to heater.
B Remove plastic decals on front panel.
B Loosen two Philips head screws located behind plastic decals.
BLift front cover upward and remove.
2)being careful not to damage the foam sealant material on it.
BRemove control unit auxiliary cover (Fig. 3, pos. 4).
B 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.
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.
Fig. 3
B Remove the 5 screws on the front retaining bar (see Fig. 3, pos. 1 and
Fig. 4 Electrical strip connectors
BAt 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 of the heater, pull up the power supply cord further if more slack is needed.
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