Power Supply; On/Off Switch And Battery Back-Up; Figure 8 Power Supply; Figure 9 Controller Board Battery Wiring - Mircom TX3 Series Installation And Operation Manual

2.3.3

Power Supply

The power supply connection is situated at the bottom right of the main controller
board and receives 16 VAC, 40 VA. Use 18 AWG wiring. An external PS-4 or
PS-4P plug-in transformer connects to the power terminals. Refer to Figure 5 and
Figure 8.
2.3.4

ON/OFF Switch and Battery Back-up

Battery back-up is provided with a 12V 6.5AH battery which fits inside and at the
bottom of the unit. Connect the battery to the connectors located to the left of the
ON/OFF switch SW1 as shown in Figure 9.
Note:
TX3 Aperio Door Controller System Installation and Operation Manual
22
LT-1160 Copyright 2019
OFF
ON/OFF Switch
16 Vac IN
18 AWG
Figure 8. Power Supply
P6 − P5 +
Black
−
12 V BATTERY
Figure 9. Controller Board Battery Wiring
Battery backup is optional.
Installation and Setup
ON
SW1
16 Vac
16 Vac transformer
(PS-4 or PS-4P)
ON/OFF Switch SW1
Red
+
120 Vac
v. 1.6