Installation Instructions

- 4 - ALTV248UL3 Series Installation Guide
Primary
In-line
Fuse
XFMR
Green
Lead (ground)
Black Lead
White Lead
non power-
limited
Input 115VAC,
50/60Hz
Class 1 Outputs
24VAC or 28VAC Output 1
Follow same procedure
using terminals
2P & N through 8P & N
for outputs 2 through 8)
LED
INPUT
ON OFF
MAIN FUSE
COMMON POWER OUTPUTS
FUSED POWER OUTPUTS
NPS
1 234 56 78
P
N
ON OFF
Fig. 1 - ALTV248UL3
Fig. 1a
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user
to the presence of an insulated DANGEROUS VOLTAGE within the product’s enclosure that may be of
sufficient magnitude to constitute an electric shock.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of impor-
tant operating and maintenance (servicing) instructions in the literature accompanying the appliance.
CAUTION: To reduce the risk of electric shock do not open enclosure.
There are no user serviceable parts inside.
Refer servicing to qualified service personnel.
NP S
NP S
24VAC
Output
28VAC
Output
28V24V
24V28V
Voltage Selection
Configuration