Figure 18. Tx3-Ps24-5A Terminal Block Wiring; Figure 19. Power Switch Sw1 On The Elevator Controller Board - Mircom TX3-ER-8 Installation Manual

For best operation install the external power supply into its own dedicated
electrical outlet to protect it from excessive power surges and current
fluctuations.
To connect the power supply
1.
2.
3.
4.
5.
6.
Elevator Restriction System Installation and Operation Manual
32
TS3 on TX3-ER-8-B
elevator controller
To building
board
power
L N −V −V +V +V
Line

Figure 18. TX3-PS24-5A Terminal Block Wiring

Turn the switch SW1 on the elevator controller board OFF. The location
of SW1 is shown in Figure 12.
SW1
ON OFF
Figure 19. Power Switch SW1 on the Elevator Controller Board
Set the voltage selectable switch on the TX3-PS24-5A power supply to
the appropriate voltage. The voltage selectable switch can be set to either
115 V or 230 V. See the included document LT-6662.
Connect the load power supply wires to the elevator controller board TS3
terminal screws.
Connect the other end of the load power supply wires to the Load terminal
screws on the TX3-PS24-5A.
Connect the building power supply wires to the Line terminal screws on
the TX3-PS24-5A.
Turn the switch SW1 on the elevator controller board on.
Installing the Elevator Restriction Unit
+V
ADJ
Load
TX3-PS24-5A
located in electrical
room