Installation space
Models: WHU09SZA21S, WHU12SZA21S, WHU18SZA21S,
WHU24SZA21S, and WHU36SZA21S
¢ Space requirement
Provide sufficient installation space for product safety.
CAUTION
Keep the space shown in the installation examples.
If the installation is not performed accordingly, it could cause a short circuit and result in a lack of
operating performance.
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