A.O. Smith CAHP-120 Series, User Manual

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3. Display Box Installation
The installation of display box is classified revealed installation and concealed
installation. The revealed installation is illustrated in figure 4.16.
When perform the concealed installation, first install the frame on the back cover of
display box and then install the front cover after fixing the back cover on the wall.
4. Communication Cable Installation of Water Heater
Keep the main control board accessible as illustrated in figure 4.18 before connecting the
communication cable to the water heater. Connect the connector of communication cable to
Front Cover of the
Display Box
Display Board
Communication
Cable
Communication
Cable
Tie
Figure 4.14 Figure 4.15
Clip
Back Cover of
the Display Box
Front Cover of
the Display Box
Fasten Screw
Frame
Front Cover of
the Display Box
Back Cover of
the Display Box
Figure 4.16
Figure 4.17