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INSTALLER SETTING
170
BUH for DHW in emerg.
This function selects whether or not to heat DHW with Backup Heater when emergency
operation is entered.
• Change setting values using [<, >(left/right)] button.
• The function is not available for some products.
NOTE
When Use is selected, heating and hot water are switched according to the product
operation logic.
Default
Not use
Range
Use / Not use
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