ABB NAL Series Installation And Operating Instructions Manual page 43

Indoor air switch-disconnector

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Install the provided screw and nuts into the

marked hole from the previous step as shown in

figure 82.

Rotate the white plastic disc, shown in figure 83,

to its maximum displacement and listen for a

"click". This indicates that the switch will make

contact. If a "click" is not heard, relocate the

screw to a closer hole. Ensure the white disc

reaches its maximum rotation just as the click is

heard to prevent over rotation. If the setup is

correct, secure the white disc with the provided

cir-clip onto the half-moon shaft.

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