Connect The Power; Figure 13 Connecting The Ps-4P Power Supply - Mircom TX3 Series Installation And Operation Manual

2.11

Connect the Power

Note:
The power supply connection is situated at the bottom right of the main controller
board and receives 16 VAC, 40 VA. An external PS-4 or PS-4P plug-in
transformer connects to the power terminals.
1.
2.
3.
4.
Figure 13. Connecting the PS-4P power supply
TX3 Emergency Phone Installation and Operation Manual
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LT-6113 Copyright 2017
Install all transformers outside the Emergency Phone enclosure.
Make sure that the On/Off Switch is set to Off.
Connect the PS-4P power supply wires to the power terminals as shown in
Figure 13.
Plug the PS-4P power supply into the AC power.
Switch the On/Off Switch to On.
ON/OFF Switch
Use 18 AWG
2-conductor cable
16 VAC
120 VAC
16 VAC transformer
(PS-4P)
Installation
Version 2