Connecting The Drain - Daikin EHSX04P30D Instrucciones De Instalación Y Mantenimiento

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Fig. 4-27
Fix the hydraulic block in place when connecting to the
top (left) or to the rear (right)
3
Establish hydraulic connections on the Daikin Altherma EHS(X/
H).
▪ Refer to
Chap. 4.1
for the position of the heater connections.
Observe specified tightening torque (see
▪ Install the line in such a way that the protective cover of the
Daikin Altherma EHS(X/H) is simple to put on after assembly.
▪ Connect the water for filling or refilling the heating system as
specified by EN 1717/EN 61770 to avoid contamination of
drinking water by return flow.
4
For rearward facing connections: Support hydraulic lines suit-
ably according to the spatial conditions.
Fig. 4-28
Connection to the rear: Support hydraulic lines
5
Connect the blow-off line to the safety over-pressure valve and
diaphragm expansion vessel in accordance with EN 12828.
▪ Any steam or heating water which may escape must be drained
by a suitable blow-off line with constant gradient in a frost-pro-
tected, safe and observable manner.
▪ Install the line in such a way that the protective cover of the
Daikin Altherma EHS(X/H) is simple to put on after assembly.
▪ Check the seat of the drain hose on the safety pressure relief
valve. If necessary, connect and install a separate hose.
6
Connecting a diaphragm expansion vessel.
▪ Connect a suitably dimensioned and preset diaphragm expan-
sion vessel for the heating system. There may not be any hy-
draulic blocking elements between the heat generator and the
safety valve.
▪ Position the diaphragm expansion vessel in an easily access-
ible place (maintenance, parts replacement).
Daikin Altherma EHS(X/H)
Daikin Altherma integrated solar unit
008.1444099_00 – 07/2018 – EN
7
Carefully insulate pipework against heat loss and to avoid con-
densation (insulation thickness at least 20 mm).
Water shortage protection: The pressure and temperature
monitoring of the controller shuts off and locks the Daikin
Altherma EHS(X/H) safely if there is a shortage of water. No
additional water shortage protection is needed in the con-
struction.
Avoid damage caused by deposits and corrosion: see
Chap. 1.2.5
Chap.
10.3)
Fig. 4-29
4.6.2
1
Connect the drain hose to the hose connecting piece for the
safety overflow
Use transparent drain hose (draining water must be visible).
Connect the drain hose to an adequately dimensioned waste
water installation.
Drain should not be lockable.
Fig. 4-30
4
Set-up and installation
Connecting a diaphragm expansion vessel

Connecting the drain

(Fig.
3-1, item 23).
Connection of the overflow hose
Installation and maintenance instructions
21

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