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Mircom LT-2068 RPL-TR 063A Transformer Installation guide

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LT-2068 Rev 0
November 2013
RPL-TR-063A Replacement Transformer for the FX-3500 Fire Alarm Control Panel
The RPL-TR-063A kit comes with all the parts needed to replace a damaged TR-063A transformer on an FX-3500 Fire
Alarm Control Panel.
Parts List
• Qty 1 ... TR-063A transformer
• Qty 4 ... #8-32 nuts with integrated lock washer
Installing the TR-063A Transformer
To install the TR-063A you must:
A. Power down the FX-3500
B. Replace the TR-063A
C. Power up the FX-3500
Refer to the sections below for details on how to perform each step.
A. Power down the FX-3500
1. Disconnect the backup batteries.
2. Disconnect AC power going to the panel.
B. Replace the TR-063A
1. Disconnect the damaged transformer by performing the following steps (refer to Figure 1 for the locations of
connectors and terminals):
• Disconnect the transformer’s red wire from the A.C. (~) connector on the bridge rectifier.
• Disconnect the transformer’s blue wire from the common terminal on the bridge rectifier.
• Loosen the set screws securing the transformer’s brown, black, and white/blue stripe wires to the four posi-
tion terminal block, and then remove the wires.
2. Remove the four nuts securing the TR-063A to the back plate.
3. Remove the damaged TR-063A and replace it with the new TR-063A.
4. Secure the new transformer to the back plate with either the four nuts provided or the nuts you removed in step
2.
5. Make the following connections:
• Connect the red wire from the TR-063A to the A.C. (~) connector on the bridge rectifier.
• Connect the blue wire from the TR-063A to the common connector on the bridge rectifier.
• Insert the brown wire from the TR-063A into the 240V terminal of the four position terminal block, and then
tighten the set screw.
• Insert the black wire from the TR-063A into the 120V terminal of the four position terminal block, and then
tighten the set screw.
• Insert the white/blue stripe wire from the TR-063A into the neutral (N) terminal of the four position terminal
block, and then tighten the set screw.
C. Power up the FX-3500
1. Connect AC power to the panel.
2. Connect the backup batteries.
Figure 1: Locations of connectors and terminals for the TR-063A.
TR-063A
#8-32 NUTS
W/ INTEGRATED
LOCKWASHER
(X4)
~
White/Blue Stripe (N)
Black (120V)
Brown (240V)
4 POSITION
TERMINAL BLOCK
BRIDGE RECTIFIER
TR-063A
COMMON
Blue
Red
/