Electrical connection
21
Compress Hybrid 7000i AW – 6721833053 (2020/09)
6.7.2 Connect the flow temperature sensor
The connection of the flow temperature sensor depends on the design
of the heating system.
If the heating system is equipped with a buffer cylinder:
▶ Disconnect the flow temperature sensor in the indoor unit from
connection T0 ( Chapter 12.2).
▶ Connect flow temperature sensor of the buffer cylinder to
connection T0 ( Chapter 12.2).
No additional measures are required when the heating system is not
equipped with a buffer cylinder as the flow temperature sensor has
already been connected in the indoor unit.
Assembly downstream of the 3-way valve or at the buffer cylinder
If the flow temperature sensor is installed outside the indoor unit on the
buffer cylinder or downstream of the 3-way valve (e.g. when using a
heating circuit set), it must be completely removed from the indoor unit
(Fig. 33) and if necessary extended using a suitable extension cable
(H03VV-F 2x0.5 mm
2
) of corresponding length, as described below
(Fig. 34).
▶ Removing the front panel
▶ Unplug the plug on the T0 connection
▶ Remove the clip on the flow pipe
▶ Take the flow temperature sensor with cable out of the wiring harness
in the enclosure.
▶ Remove the plug from the cable (Fig. 34).
▶ Install the plug on the extension cable (Fig. 34) and plug into the
T0 connection.
▶ Route the extension cable through the cable feeds in the enclosure
and through an available cable feed in the base of the enclosure to the
outside (Chapter 6.2).
▶ Connect the extension cable to the cable of the temperature sensor
using a connection terminal (Fig. 34).
Fig. 33 Remove the flow temperature sensor with cable
[1] Flow temperature sensor with cable
[2] Plug on the T0 connection
[3] Clip on the flow pipe
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