To Drain The Storage Tank With A Connected Pressureless Solar System - Daikin Altherma 3 R ECH2O Installer's Reference Manual
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16.2.2 To drain the storage tank with a connected pressureless solar system
ERLA11~16DAV3+W1 + EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH₂O
4P663482-1B – 2022.07
a Screw plug
b Sealing plug
c Screw plug with drain connection (optional fill and drain kit)
d Screw plug with drain connection (spillover connector)
NOTICE
You can only drain the storage tank from the drain connection, if an optional fill and
drain kit is available (described below). Otherwise, drain with a pump and a hose
through the solar return connection.
1 Switch the drain connection valve to shown position.
2 Place an appropriate tray under the drain connection to collect water spillage.
3 Remove the clip and sealing plug.
4 Insert the fill and drain kit and secure with the clip.
a Clip
b Sealing plug
c Fill and drain kit
5 Open the valve of the fill and drain kit.
6 Switch the drain connection valve to standard position.
a
1
b
2
c
d
3
1
3
b
a
2
4
c
a
5
16
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