Daikin Altherma 3 R ECH2O, Installation And Operating Manual

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3 Set-up and installation
Installation and operating manual
16
Daikin Altherma EHS(X/H)(B)-D
Daikin Altherma 3 R ECH ₂ O
008.1451099_00 – 07/2020
3‒14 Opening the air purge valve
3.4.7 Aligning the connections of the heating
inflow and return flow
CAUTION
When working on the hydraulics, pay attention to the
installation position of the O‑rings to avoid damaging them
and causing leaks.
▪ Always place O‑rings on the part to be inserted after
disassembly or before assembly (see " 3‒15
Hydraulic system plug connectors" [
4
16]).
▪ The heating lines must be connected free of tension via
the plug connectors. Establish a suitable strain relief
especially when connecting with flexible lines (not open
to diffusion!) (see
" 3‒28 Supporting rear-facing
hydraulic lines" [
4
20]).
3‒15 Hydraulic system plug connectors
CAUTION
If the securing clips cannot be put on properly, the
couplings can be detached from their mountings to ensure
a very strong or continuous escape of liquid can occur.
▪ Before putting on a securing clip, make sure that the
securing clip engages in the coupling groove. To do so,
insert the coupling far enough into the mounting that
the groove is visible through the securing clip mounting.
▪ Insert the securing clip up to the end stop.
The connections of the heating inflow and return flow can be
directed upwards or backwards in order to adapt it optimally to the
structural conditions of the installation site.
3‒16 Variants for aligning the heating infeed and return flow
The device is supplied with upwards aligned connections as
standard. The following conversion steps are required in order to
direct the connections to the rear out of the device:
1 Remove the protective cover and top thermal insulation
(see
"3.4.2 Remove the protective cover" [ 4 14],
"3.4.5 Removing the bottom thermal insulation" [ 4 15]).
2 Pull the two securing clips off the connection couplings (item c).
3 Pull off the two connection couplings (item b).
4 Remove the retaining plate (item a).
5 Pull off the sealing plug securing clip (item d).
6 Pull out the sealing plug (item e).
7 Turn the elbow (item h) 90° to the rear.
8 Pull the securing clip off the manifold (item g).
3‒17 Aligning the heating inflow and return flow connections
upwards
a Retaining plate
b Connection coupling
c Securing clip of the connection couplings
d Securing clip of the sealing plug
e Sealing plug
f Manifold
g Securing clip of the manifold
h Elbow
9 Carefully pull the manifold (item f) so far backwards out of its
horizontal mounting that the retaining plate (
" 3‒18 Heating
inflow and return flow connections aligned to the rear" [
4
17],
item a) can be pushed vertically in between.
10 Slide the retaining plate between the manifold and its horizontal
mounting, and insert the manifold (item f) back into its mounting
through the middle hole of the retaining plate.