Shimano GRX RX 815 Series Dealer's Manual page 21

TO ENSURE SAFETY
„ Wireless unit
• If using EW-WU111, use it together as a set with one of the following units.
External type: BM-DN100, built-in type: BT-DN110/BT-DN110-A
• This is a small waterproof connector, so do not repeatedly connect and disconnect the
electric wire too often. It may impair the function.
• Be careful not to let water get into the E-TUBE port area.
• The components are designed to be fully waterproofed to withstand wet weather riding
conditions; however, do not deliberately place them into water.
• Do not clean the bicycle with a high-pressure washer. If water gets into any of the
components, operating problems or rusting may result.
• Handle the product carefully, and avoid subjecting it to any strong shocks.
• As shown in the figure, install the product so that it does not reach the side of the bicycle
body.
Otherwise, it could be damaged if the bicycle tips over and it is pinched between the
frame and curb.
• Do not use thinners or similar substances to clean the products. Such substances may
damage the surfaces.
• Do not leave the product in an area exposed to strong sunlight for an extended period of
time.
• Do not disassemble the product as it cannot be reassembled.
• When cleaning the product, use a cloth moistened with a diluted neutral detergent.
• Contact the place of purchase for updates of the component software. The most up-to-
date information is available on the SHIMANO website.
For installation to the bicycle, and maintenance:
• Be sure to attach dummy plugs to any unused E-TUBE ports.
• Be sure to use SHIMANO original tool TL-EW02 to remove the electric wires.
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