Atlas Sound VT/VTF-154U User Manual
Installation instructions, Vt series ul-listing requirements, Vt/vtf series terminal strips
Specifications are subject to change without notice
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1601 JACK MCKAY BOULEVARD ENNIS, TEXAS U.S.A. • TELEPHONE: (800) 876-3332 • FAX: (800) 765-3435
©2005 ATLAS SOUND LP
Printed in U.S.A.
00105
ATS000746 RevC 01/05
PN 8805000
INSTALLATION INSTRUCTIONS
VT/VTF SERIES
TERMINAL STRIPS
VT SERIES UL-LISTING REQUIREMENTS
MODELS WITH 3, 4 OR 5 POSITION TERMINAL STRIP
FREQUENCY RESPONSE: 600-5500Hz
SENSITIVITY 96dB (1W/1M)
SPEAKER #1
SPEAKER #2
VT/VTF MODELS WITH 2 POSITION TERMINAL STRIP:
VT/VTF-154U, VT/VTF-158U, VTB-2, VTB-1
MODELS WITH POSITION TERMINAL STRIP
NOTE: To conform with U.L. 464 and 1480 requirements, wires must be connected to appropriate terminals as shown in wiring diagram.
Do not use looped wire under terminals. Break wire run to provide for supervision of connection.
Incoming Leads
Terminal #1
(Common)
Mounting Bracket
SPEAKER #1
Terminal #1
(Common)
Mounting Bracket
SPEAKER #2
Outgoing Leads to
Next Speaker or EOL Resistor
1
2
1
2
TERMINAL STRIP
NO. OF TERMINALS
VT/VTF MODELS WITH 3, 4 OR 5 POSITION TERMINAL STRIP P
3
VT/VTF-22U
VT/VTF-22UC
VT/VTF-27U
VT/VTF-27UC
VTB-5
VTB-6
4
VT/VTF-17U
VT/VTF-17UC
5
VT/VTF-152U VT/VTF-152UC VT/VTF-157U VT/VTF-157UC
VTB-3
VTB-4
Incoming Leads
Outgoing Leads to
Next Speaker or EOL Resistor
User Selected Terminal
For Desired Wattage
Terminal #1
(Common)
Mounting Bracket
1
2
5
4
3
User Selected Terminal
For Desired Wattage
Terminal #1
(Common)
Mounting Bracket
1
2
5
4
3
VT/VTF-17U
VT/VTF-27U
VT/VTF-22U
VT/VTF-157U
VT/VTF-152U
VT/VTF-17UC
VT/VTF-27UC
VT/VTF-22UC
VT/VTF-157UC 70
V VT/VTF-152UC
VTB-5
VTB-6
VTB-3
VTB-4
70V Line Xfmr
70V Line Xfmr
25V Line Xfmr
70V Line Xfmr
25V Line Xfmr
Term
Color
Watt
Term
Color
Watt
Term
Color
Watt
Term
Color
Watt
Term
Color
Watt
1
Red
Com
1
Red
Com
1
Red
Com
1
Wht
Com
1
Wht
Com
2
Blu
1/4
2
Blu
1
2
Blu
1
+2
Red
2
2
Red
2
3
Yel
1/2
3
Wht
2
3
Wht
2
+3
Gry
4
3
Gry
4
4
Wht
1
1
Red
Com
1
Red
Com
+4
Brn
8
4
Brn
8
1
Red
Com
1
Red
Com
1
Red
Com
+5
Grn
15
5
Grn
15
Incoming Leads
Outgoing Leads to
Next Speaker or EOL Resistor
User Selected Terminal
For Desired Wattage
Terminal #1
(Common)
Mounting Bracket
1
2
5
4
3
User Selected Terminal
For Desired Wattage
Terminal #1
(Common)
Mounting Bracket
1
2
5
4
3
• Models with a "C" suffix include a supervisory capacitor for installation with supervised circuitry. Maximum supervised circuit voltage is 24 VDC.
• For use in ambient temperature ranges from -40˚C to 66˚C.
Installation must comply with all Building Codes and NFPA guidelines. Installation must adhere to
N.E.C. and NFPA 70/72 wiring directives and comply with all National and Local Building Codes.