MST Installation Instructions
Installation Instructions [email protected] +1(909) 591-8431 www.alvaradomfg.com
Page 17
Electrical Wiring Instructions
Use a licensed electrician for the following steps.
1.
Remove the top channel cover.
2.
Make sure the power on toggle switch is in the OFF position. If it is not, move the toggle switch to the OFF
position (Figure 27B).
3.
Using a screwdriver, remove the cover of the junction box.
4.
Locate the power wires inside the junction box.
5.
Run the primary power wires, coming in from either side of the top channel, through the knock-out.
NOTE
The junction box housing has circular knock-outs on the side of the box. Remove the most appropriate knock-out.
6.
Secure primary power wires to the provided pig-tail in the junction box and secure with wire nuts. See Figures
28A &B for 110V & 220V configuration.
7.
Tuck the excess wire into the junction box and re-attach the junction box cover.
8.
Once power has been established, route the access control wires.
NOTE
If your model was purchased with the option of having a card reader installed, please refer to the installation
instructions that come packaged with the card reader mounting plate.
110-120VAC, 50/60Hz, 35W (3A Fuse)
220-240VAC, 50/60Hz, 35W (3A Fuse)
To
J4
220V
Primary
Connect
Ground
Cable to
Ground Stud
Brown
Brown
Black
Brown
Transformer
Blue
To
J4
Connect
Ground
Cable To
Ground Stud
Black
White
110V
Primary
Transformer
Fig. 28B
Fig. 28A
WARNING
Run permanent AC power wires to the unit. Primary side of transformer DC resistance is rated at 2.6-ohms. Use a
licensed electrician to perform this procedure adhering to all local electrical codes.
In the event the transformer needs to be replaced, it must be replaced with Alvarado P/N 10-3008A (110V) or
10-3003F (220V) as specified in UL File BP20972, Projects 4787469780, 4787461699.
NOTE
