INSTALLATION | Appliance installation
28
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»
Remove the two metal plates at the cable entries to
gain access to the cable strain reliefs.
i
Information
When fitting the cables in the indoor unit, ensure
that subsequent hydraulic connection work will not
be obstructed by the cables.
i
Information
For the cables inside the control box on the indoor
unit, use the cable strain reliefs provided.
»
Connect the temperature sensors required by your
system (TA, TPO, TPM, TMK, TB) directly to the OTE
controller.
»
Connect the external pumps and servomotors re-
quired by your system (switching module, mixing
valve) directly to the OTE controller.
i
Information
For external pumps and servomotors, use the PE
terminals on the relevant OTE plug.
11_02_200_204_01_008
OTE pin
Description
7
Heating circuit circulation pump 1, direct (HCP 1)
8
Heating circuit circulation pump 2, mixed (HCP 2)
10
DHW auxiliary heater, only on M4 (DHWAH)
13/14
DHW charging pump ON/OFF (WWL)
15/16
Heating circuit mixing valve (MVH)
25/26
Buzzer fault output
41/42
Control elements (eBus)
43
Mixer sensor (TMK)
44
Outdoor temperature sensor (TA)
45
Top buffer sensor (TPO)
46
DHW sensor (TB)
52
Bottom buffer sensor (TPM)
Содержание TERRA 11
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