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Cable specifications:
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Maximum cable length: 1000 m.
Recommended cable: category 5 shielded twisted pair (FTP) cable with a section of 0,26 ... 0,50
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mm ². Use 1 pair to connect GND and +12V and 1 pair to connect B- and A +.
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Keep this communication cable at distance from power cables.
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If the unit is installed in a location with high electro-mechanical interference levels we strongly
advise to connect the armoured shield of the TAC5 F – RC cable on one side of the ground only.
If the fan group is installed outside, select a suitable cable for outdoor application (UV light, ...).
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4.1.2 Selecting the Master
"Selecting the master" means the determination of which module of the inputs/outputs on TAC5 F and
the RC will "control" the fans, "controlling" the fans means:
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If CA mode is chosen to be the master means to control the start/stop of the fans as well as to
select the airflow.
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If TQ mode is chosen to be the master means to control the start/stop of the fans as well as to
select the percentage of fan maximum torque.
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If LS, CPs or CPf mode, to be the master means to control the start/stop of the fans as well as to
activate/deactivate a different assignment (assignment multiplier).
2 setups are possible:
1) TAC5 F circuit is "master": contact between terminals IN1 and +12Vdc of TAC5 F circuit is
closed (prewired).
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The TAC5 F circuit allows control of the fans through its inputs,
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The RC TAC5 allows to configure and to visualize all the parameters on the display and
with the LEDs.
2) RC TAC5 is "master": contact between terminals IN1 and +12Vdc of TAC5 F circuit is open.
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The TAC5 F circuit is then in control of the system and serves as a control hub between
fans and the RC TAC5,
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The RC TAC5 allows to configure and to visualize all the parameters on the display and
with the LEDs,
The RC TAC5 controls the fans with the OFF / I / II / III keys and controls the MANU
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AUTO mode (scheduler).
TAC5 F circuit is master
Control
RC TAC5 is master
Visualization
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Control
Visualization
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