Draining The Heating Circuit And Hot Water Circuit - Daikin Altherma M ECH2O Series Installation And Maintenance Instructions Manual

6 x Taking out of operation
● Unscrew the threaded piece on the filling and draining
connection (fig. 6-4, item E), remove the sealing plug
(fig. 6-4, item F) and immediately screw in the pre-installed
threaded insert with KFE filling connection again into the
filling and draining connection (fig. 6-4).
CAUTION!
After removing the sealing plug, storage tank
water surges out.
Fig. 6-3 Completing the KFE fill-
ing connection
● Open the KFE cock on the KFE filling connection and
drain the water content of the storage tank.
Only with solar system
● Adjust the valve insert on the connection bracket so that the
path to the blind plug is blocked off (fig. 6-5).
● Place a suitable collecting tray and remove the blind plug
from the connection bracket (fig. 6-5).
Fig. 6-5 Shut off the valve insert, remove the blind plug from the con-
nection bracket
Installation and maintenance instructions
38
F
2.
1.
E
3.
4.
Fig. 6-4 Screwing the KFE filling
connection into the fill-
ing and draining con-
nection
● Insert the KFE filling
connection in the
connection bracket and
secure with holding clamp
(fig. 6-6).
● Open the KFE cock on the KFE filling connection.
● Adjust the valve insert on the connection bracket so that the
path to the drain hose is open (see also fig. 6-5) and drain the
water content of the storage tank.
6.1.2 Draining the heating circuit and hot water
circuit
● Connect the drain hose to the KFE cock of the Daikin
Altherma M ECH O.
2
● Open the combined filling and draining valve on the Daikin
Altherma M ECH O.
2
● Drain the heating and hot water circuits.
● Disconnect the heating flow and return flow as well as the cold
water inflow and the hot water outflow from the Daikin
Altherma M ECH O.
2
● Connect the discharge hose on the heating flow and return
flow as well as the cold water inflow and hot water outflow so
that the hose opening is at ground level.
● Allow the individual heat exchangers to run empty one after
the other based on the suction lifter method.
Fig. 6-6 Installing the KFE filling
connection in the con-
nection bracket
Daikin Altherma M ECH
Solar storage tank with heating controller
008.1446799_00 – 07/2019 – EN
O
2