Daikin ETSX16E Installer's Reference Manual page 101

EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1D – 2023.11
Without installed drainback solar kit (option)
1 Connect a hose with non-return valve (1/2") to the drainback connection.
2 Fill the storage tank until water spills from the spillover connection.
3 Remove the hose.
a Drainback connection
b Spillover connection
c Hose with non-return valve (1/2")
With installed drainback solar kit (option)
1 Combine the fill and drain kit (option) with the drainback solar kit (option) to
fill the storage tank.
2 Connect the hose with non-return valve to the fill and drain kit.
Follow the steps described in the previous chapter.
8 Piping installation
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Installer reference guide
101