TAC 2112, Manual Installation
TAC AB, 1999-08-01 0-004-7459-3 (GB), 5:7(10)
The outdoor temperature signal (Y2) is connected to the input of the
outdoor temperature sensor (B2) in the controllers (TAC 2000) which
have no outdoor sensor of their own.
If the SPC signal is connected from equipment which has a different
transformer, the G0s from each transformer must be connected to one
another.
The controller has 25 cable entries in the back. Ensure that signal
cables and mains cables are pulled through separate cable entries in
the back and are kept well apart.
Tie up the cables together in a bundle quite close to the terminal
blocks in order to limit movability.
The rail with three screws in the middle of the back is insulated. It can
be used as measurement neutral. A connection must then be made
between the rail and measurement neutral (M) in the terminal block.
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