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ALTV248UL3 Series
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
important 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.
Primary
In-line
Fuse
XFMR
Green
Lead (ground)
Black Lead
White Lead
Input 115VAC,
50/60Hz
non power-
limited
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
N
P
S
1
2
3
4
5
6
7
8
P
N
ON OFF
Fig. 1 -
ALTV248UL3
Fig. 1a
N
P
S
N
P
S
24VAC
Output
28VAC
Output
28V
24V
24V
28V
Voltage Selection
Configuration
