33
Installation – for qualified contractors
ZTA 3/4 - Central thermostatic valve for
operating a DDLE ÖKO TD with preheated
water
The central thermostatic valve fitted immediately above
the cylinder ensures that the outlet temperature never
exceeds 60 °C, by admixing cold water via a bypass line.
9. Assembly
9.1 Installation location
The appliance is exclusively designed for installation on
a solid wall. Ensure the wall offers adequate load bearing
capacity. Always install the appliance vertically in a room
free from the risk of frost.
9.1.1 Appliance installation over
WW
KW
26
_0
2_0
2_
13
44
9.1.2 Appliance installation undersink
WW
KW
26
_0
2_0
2_
13
45
9.2 Preparing the appliance installation
9.2.1 Opening the appliance
» Unhook the snap-in closure using a screwdriver (1).
» Flip up the appliance cover and remove it (2).
26
_0
2_0
2_0
76
6
2
1
9.2.2 Information regarding the appliance with
changeover connected load
In its delivered condition the appliance is set to 21 kW.
When changing to a different load, carry out the following
steps:
» Replug the coding card in accordance with the
selected output. Observe the corresponding
fuse protection required. For this, see chapter
“Specification”.
18
kW
24
21
38°
55°
18
kW
24
21
OFF
3s
D
00000
37
81
6
» Mark the selected output on the type plate using a
permanent marker.
9.2.3 Anti-scalding protection
You can select the required temperature limit in the
customer service mode between 31 ... 60 °C.
9.2.4 Removing the lower section of the back panel
» Press both locking hooks inwards and pull the lower
section of the back panel forward.
NT
T-
so
X1
2
1
1
2
26
_0
2_0
2_0
76
2
9.2.5 Securing the mounting rail
»
Mark out the mounting bracket fixing holes using the
installation template. You can also use any suitable
mounting bracket that is already installed.
» Secure the mounting bracket with two suitable
screws and rawl plugs. The screws and rawl plugs
are not part of the standard delivery.
» Insert the threaded stud supplied into the mounting
bracket.
26
_0
2_0
2_0
97
2
You can secure the appliance at the bottom with 2
additional screws. This is required if the appliance
is installed with water connections on finished walls
(installation on finished walls).
9.2.6 Fitting the power cable
160
≥ 30
26
_0
2_0
2_0
88
7
Содержание DDLE OKO TD 18
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