Atlas Sound Speaker Vt/Vtf Series Ul Wiring Requirements, Vt Series Ul Listed, Adapter Ring Ar

VT/VTF SERIES

UL WIRING REQUIREMENTS

NOTE: To conform with UL1480 requirements, wires must be connected to appropriate termi- nals as shown in the wiring diagram

Do NOT use looped wire under terminals. Break wire run to provide for supervision of connection.

VT/VTF

MODELS

WITH 2

POSITION TERMINAL STRIP

VT Mounting

MODELS Screw WITH 3, 4,

OR 5

POSITION

TERMINAL

STRIP

	VT/VTF-17U					VT/VTF-22U				VT/VTF-27U				VT/VTF-152U
	VT/VTF-17UC					VT/VTF-22UC				VT/VTF-27UC				VT/VTF-152UC
	70V Line Xfmr					25V Line Xfmr				70V Line Xfmr				25V Line Xfmr
			dB					dB				dB				dB
Term	Color	Watt Rating*			Term	Color	Watt Rating*		Term	Color	Watt Rating*		Term	Color	Watt Rating*
1	Red	Com	-	1		Red	Com	-	1	Red	Com	-	1	Wht	Com	-
2	Blu	1/4	84	2		Blu	1	87	2	Blu	1	90	2	Red	2	90
3	Yel	1/2	87	3		Wht	2	90	3	Wht	2	93	3	Gry	4	93
4	Wht	1	90										4	Brn	8	96
													5	Grn	15	99

VT/VTF-157U

VT/VTF-157UC 70V

70 V Line Xfmr

dB

Term Color Watt Rating*

1Wht Com -

2	Red	2	90
3	Gry	4	93
4	Brn	8	96
5	Grn	15	99

VT/VTF-158U

8 ohms

dB

Term Color Watt Rating*

1	Blk	Com	-
2	Yel	15	96

*UL 3dB Increment Rating

VT SERIES UL LISTED

VOICE/TONE™ EMERGENCY

LOUDSPEAKER INSTALLATION

( * Backboxes by others )

Surface Interior

Backbox (SI)

SURFACE OR CONCEALED

VTF SERIES

UL LISTED

VOICE/TONE™

EMERGENCY

LOUDSPEAKER

INSTALLATION

( * Backboxes by others.)

CONDUIT MOUNTING

VT Series with Model SI backbox.

SURFACE EXTERIOR BACKBOX (SE)

WEATHERPROOF MOUNTING

VT Series with Model SE for weatherproof installations.

SEMI-FLUSH PLATE (SFP)

Do not use these five knockouts for connecting conduit (will interfere with

ADAPTER RING (AR)

Do not use these five knockouts for connect- ing conduit (will interfere with the loudspeaker)

3-11/16" Together

*A Standard 2-1/8" D backbox assem- bled with overlapping extension ring (AR) is 3-11/16" Deep.

RECESSED

MOUNTING

OPTION

VTF Series with standard 4" SQ x 2-1/8" D backbox*

&Model Adapter Ring (AR).

the loudspeaker).

FLUSH MOUNTING PLATE (FP) / ADAPTER RING (MR)

SEMI-

RECESSED

MOUNTING

VT Series with Model SFP installed

to any recessed 4" SQ x 2-1/8" D backbox*.

BI-DIRECTIONAL HOUSING (TVTA) / BAFFLE COVER (VTC)

BI-DIRECTIONAL MOUNTING

Two independently powered VT units installed into Model TVTA. Mounts to any 4" SQ or single gang E.O. Box* for ceiling or wall installations. (To build a uni-directional unit for single loudspeaker installations, use a VT loudspeak-

3-11/16" Together

RECESSED MOUNTING OPTIONS

FP Mounting Plate	.060
Dimensions

VTF Series with

Model FP mounted to solid e x t e r i o r (or hollow interi- or) wall where backbox is not required.

.

MR

Ext. Ring

Dimensions

VTF Series with standard 4-11/16" SQ x 2-1/8" D backbox* and overlapping extension ring (MR). Flush plate (FP) required for loud- speaker alignment.

er on one end and a VTC baffle cover on the other.)

* A standard 2-1/8" D backbox assembled with overlapping extension ring (MR) is 3-11/16" D.

Specifications subject to change without notice

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© 2001 Atlas Sound LP Printed in U.S.A. 000501 SL6-1439