NuTone IA-28, IA-29 operating instructions SPEAKER/WIRE Specifications

INTERCOM SYSTEM FOR HOME OR OFFICE

MAXIMUM OF 10 REMOTE SPEAKER STATIONS AND 2 DOOR SPEAKERS

SPEAKER/WIRE

SPECIFICATIONS

MAXIMUM OF 3 SPEAKERS MAY BE CONNECTED ON SAME WIRE RUN. MAXIMUM CABLE LENGTHS.

1 SPEAKER	500 FEET
2 SPEAKERS	250 FEET
3 SPEAKERS	150 FEET

DO NOT EXCEED 4000 FEET OF IW-6 PER SYSTEM

ISB-53 ISB-53

BLK / WHT

RED / W

ISB-53
BLK	ORN/ WHT
ORN	RED

SPECIFICATIONS FOR LOW-LEVEL OUTPUT CONNECTION.

(1)Minimum 5mv for 50mv output (least useable output).

(2)50mv for 4 watts (full output).

(3)Maximum input voltage: 1 volt.

(4)Input impedence: 100K ohms.

LOW-LEVEL RADIO/MUSIC OUTPUT

(1)NuTone Radio-Intercom 2000, 3000, 3300, 4000 or 5000 model series. Low- level music output provided - black and blue wires connect with IW-2 (max.

10 ft.) to black and blue input wires on IMA-516 Amplifier.

(2)Speaker connected to an existing AM/FM radio music source. Use IW-2 (max. 10 ft.) to connect the IMA-516 low-level input leads to the speaker terminals.

NUTONE IW-2

LOW-LEVEL

INPUT WIRES

BLUE & BLACK

DECREASE	DECREASE
INCREASE	INCREASE
INTERCOM VOLUME	RADIO VOLUME
CONTROL	CONTROL

PROCEDURE FOR THIS

CONNECTION:

(1)Turn Radio Volume Control on IMA-516 Amplifier to minimum (extreme counterclockwise position)

(2)Make wire connections.

(3)Supply power and adjust the radio/music volume at the source.

(4)Finally, increase IMA-516 Radio Volume Control to desired level.

NUTONE IW-2 (MAX. 200 FT)

120vAC, 60Hz HOUSE POWER OBSERVE LOCAL CODE

NUTONE

ELECTRONIC CHIME

SEE CHIME

INSTALLATION

INSTRUCTIONS

18/2	18/2	MODEL 301T
(NUTONE	(NUTONE
		TRANSFORMER
S-143)	S-143)
TO PUSH	TO CHIME
BUTTON(S)	TRANSFORMER

INPUT	DOOR
ORN /WHT	BLK
INPUT	DOOR
ORN	BLK /WHT
CHIME	AC
CHIME	AC
OUTPUT	OUTPUT
HI	LO
RED	RED WHT

IMA-516

CENTRAL AMPLIFIER

18 / 2 (NUTONE S-143 150 FT MAX.)

14 GAUGE

FIELD

GROUNDING

WIRE

DOOR SPEAKER MAY

BE CONNECTED TO

BLACK AND BLACK

WHITE TERMINALS

IN AMPLIFIER OR

REMOTE SPEAKER

DOOR SPEAKER

MODELS WITH

CHIME PUSHBUTTON.

RUN 18 /1 (S-143)

TO CHIME LOCATION

NUTONE IW-2 (MAX 400 FT)

DOOR

SPEAKER

NOTE: If desired NuTone Model: ISB-53W (outdoor speaker) may be used.

The ISB-53W has the same features as the ISB-53 except that it is weather-resistant.

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