ALVARADO
12660 Colony Street, Chino CA 91710
– Phone: +1.909.591.8431 – Fax: +1.909.628.1403 – Email: information@alvaradomfg.com
MSTX Battery Backup Retrofit Kit FSD3337R1-0 Page 2
MSTX UPS FIELD RETRO KIT
1.
Turn off main power to turnstile and disconnect wires from transformer/J-box assembly.
2.
Remove two power wires that lead from transformer to control board at connection J4.
Figure 1
3.
Remove the 4 nuts and washers holding MST control board to mounting plate.
4.
Lay the MST control board out of the way of the mounting panel and transformer assembly.
5.
Remove MST control board mounting plate.
Figure 2
6.
Remove transformer /J-box assembly.
7.
Attach replacement transformer/J-box assembly into the same mounting holes as the removed
transformer/J-box assembly.
8.
Connect battery harness to battery terminals. DO NOT ALLOW WIRES ENDS TO TOUCH.
Instruction #3
Instruction #5
Instruction #6
