Daikin ERLA14D V3 Series Installer's Reference Manual page 85

ERLA11~16D + EBSH/X(B)11+16P30+50D
Daikin Altherma 3 R ECH₂O
4P663482-1C – 2023.05
4 If switch box is opened: Disconnect the ground connection from the top cover
of the switch box.
5 If necessary, remove the top cover. This is necessary in the following cases:
▪ Connecting water piping
▪ Connecting BIV or DB-kit
▪ Connecting backup heater
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Unit installation
Installer reference guide
85