TECSYSTEM TRBH, Инструкция по эксплуатации, Страница: 14 / 24

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TRBH SYSTEM
If an existing control unit needs to be replaced with a new one, in order to guarantee its safe and correct operation,
the connection terminals must be replaced with the new data terminals supplied.
CONTROL BOX POWER SUPPLY
The control box has two dedicated power supplies:
•
Digital power supply, input inlet, 12VDC 30mA max; it is used for the management and control of the control box.
The digital power supply is supplied directly from the B1 thermometer control unit and from the B1 control box to
the B2 bar control box, see connections, control unit - control box B1 and control box B1 - control box B2 reported
below.
•
Power supply for 230Vac 50/60Hz motors, it is used to power the B1 M1-M2-M3 box fans or the B2 M4-M5-M6
box fans. The earthing cable must always be connected to the earthing terminal .
ELECTRICAL CONTROL UNIT CONTROL UNIT - CONTROL BOX B1
The electrical connection between the NT935 temperature control unit and the B1 control box must be performed between:
the FAN1 BLDC output (B1-B2-B3-B4) of the control unit and the IN control box B1 input (B1-B2-B3-B4)
ELECTRICAL CONNECTIONS CONTROL BOX B1 - CONTROL BOX
B2
BOX B1
NT935
BOX B1
BOX B2
The electrical connection between control box B1 and control box B2 must be performed between: output OUT (B1-B2-
B3-B4) of control box B1 and input IN control box B2 (B1-B2-B3- B4).
NOTE: connection only available in configurations with two bars B1 and B2 (
B2-1- B2-2- B2-3).
1MN0165 REV.0
1MN0165 REV.0