NuTone IA-29, IA-28 User Manual

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INSTALLATION & OPERATING INSTRUCTIONS READ & SAVE THESE INSTRUCTIONS!

Central Amplifier

MODEL IMA-516

INTERCOM SYSTEM FOR HOME OR OFFICE

A typical system will include inside intercom speakers and door speaker(s) if door answering is required. A MAXIMUM OF TEN

(10) INSIDE REMOTE SPEAKER STATIONS AND TWO (2) DOOR SPEAKERS. Intercom speakers designed for outside installation are available. The Amplifier has provisions for connecting optional input equipment; i.e.: radio/music, electronic chime.

RADIO/MUSIC SOURCE – A separate NuTone Radio-Intercom System.

ELECTRONIC CHIME – A NuTone Electronic or Musical Chime may be connected to the amplifier to provide chime tones in the intercom speakers.

NOTE: Models IA-28 or IA-29 chime modules cannot be used with the IMA-516.

SPEAKER REFERENCE CHART

(Use applicable rough-in and specified wire with all models)

MODEL NUMBER

DESCRIPTION

 

Inside Intercom Speakers

 

 

ISB-53 series

Speaker with controls. Recess mounts with Model

 

IR-3 Rough-In or may be surface-mounted with

 

Model IA-15.

 

 

IS-75

5" Paging Speaker - Roto-groove. Recess mounts with

 

Model IR-75 Rough-In.

 

 

IS-76

8" Paging Speaker - round. Recess mounts with Model

 

IR-70 Rough-In.

 

 

ISA-78 Series

8" Paging Speaker - rectangular. Recess mounts with

 

Model IR-80 Rough-In.

 

 

IC-501

Regulates volume in Inside Paging Speakers IS-75,

 

IS-76 or ISA-78.

 

 

 

Outside Intercom Speakers

 

 

ISB-53LW

Speaker with controls - surface mounted.

 

 

ISA-77

8" Paging Speaker - surface-mounted.

 

 

IS-79

8" Paging Speaker - recessed. Recess mounts with

 

Model IR-9 Rough-In.

 

 

 

Door Speakers

 

 

IS-67 series

Door Speaker with lighted pushbutton - molded.

 

Recess mounts with IR-6 Rough-In.

 

 

IS-69 series

Door Speaker with lighted pushbutton - Classic Cast

 

Metal. Recess mounts with IR-6 Rough-In.

 

 

ISA-63

Door Speaker - no pushbutton.

 

Molded - surface-mounted.

 

 

ISB-64

Door Speaker with unlighted pushbutton.

 

Molded - surface-mounted.

 

 

IA-70

Surface-mounting frame for recessed door speakers.

INSTALLATION DON'TS

1.Don't locate inside speaker stations on indoor exterior walls.

2.Don't place more than one speaker station in a room.

3.Don't locate two speaker stations in a common wall between rooms; rooms that share a common wall should not have the speaker stations on that wall.

4.Don't place a speaker station so it is facing another station, even if the other station is across a hallway in another room.

5.Don't locate speaker stations where doors or furniture will interfere with the operation of the speaker.

6.Don't locate the amplifier in an area where temperatures will exceed 120°F or fall below 32°F.

WIRING INFORMATION

CAUTION: This system is designed to be used with NuTone wire/cable. No other wire should be used. use of wire other than NuTone specified will cause improper operation.

*NuTone Model IW-6Use for connection between Amplifier and intercom speakers. IW-6 is a 3-twisted-pair cable (3 pairs of 22 gauge wire with variable twists; color-coded).

*NuTone Model IW-2Use for connections specified in diagrams. IW-2 is one twisted-pair cable (22 gauge).

IMPORTANT

1.Observe local code requirements.

2.Route all system wiring as far as possible (at least 12") from household power wiring, lamp dimmers, furnace controls, etc.

3.Avoid stapling cables.

4.Be sure amplifier is properly grounded to an earth ground source.

IMPORTANT: NuTone cannot be responsible for improper radiointercom operation that results from interference generated by light dimmers, fluorescent lighting fixtures, and similar electrical products. Such interference must be corrected at the source. As an aid to help reduce this interference, all remote speaker wires and cables must be placed at least 12 inches from any A.C. power wiring.

INSTALLING THE AMPLIFIER

1.Determine exact location for all components. Check plans against the “Installation Don'ts.”

2.Run designated wire to component locations, including power wiring to transformer and low-voltage wiring between transformer and amplifier.

3.Make wire connections and mount components. Note that some components (especially speakers) may require a rough-in frame.

NOTE: After the first two speaker stations are wired, supply power to the system and test for proper operation. Wire and test the remaining speaker stations one at a time.

NOTE: If UL listed wire is required, use IW-6-UL and IW-2-UL.

MOUNTING THE TRANSFORMER

CAUTION: Do not install the transformer in attic, crawl space, or on lighting fixture. High ambient temperature will cause transformer to cut out.

IMPORTANT: If replacing an IM-516 with IMA-516, replace transformer with Model 301-T transformer

1.In keeping with local electrical code, mount 301-T transformer in one of the following locations: fuse box, circuit breaker box, or utility box in an accessible area.

2.Do not cover transformer with insulation. Do not use transformer for other appliances.

MOUNTING THE AMPLIFIER

The amplifier is surface-mounted to a finished wall, or mounted on a single-gang outlet box. It must be located in an area that is accessible for making adjustments and for servicing if required. Two mounting holes are provided in the amplifier base plate.

MOUNTING

HOLES

DECREASE

DECREASE

INCREASE

INCREASE

INTERCOM

RADIO

VOLUME

VOLUME

CONTROL

CONTROL

INPUT

DOOR

ORN /WHT

BLK

INPUT

DOOR

ORN

BLK /WHT

CHIME

AC

CHIME

AC

OUTPUT

OUTPUT

HI

LO

RED

RED WHT

CONNECTION TO RADIO-INTERCOM

This is the primary application. By connecting a non-intercom IMA-516 speaker system to a NuTone Radio-Intercom System (2000, 3000, 3300, 4000 or 5000 model series), radio/music can be provided to selected locations where intercom is not needed. Example: A doctor's office may need radio-intercom in the office areas and radio/music only in the waiting-reception area.

IMA-516 AMPLIFIER (WITH COVER REMOVED)

2

INTERCOM SYSTEM FOR HOME OR OFFICE

 

MAXIMUM OF 10 REMOTE SPEAKER STATIONS AND 2 DOOR SPEAKERS

 

ISB-53

ISB-53

ISB-53

 

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

BLK / WHT

BLK

ORN/ WHT

DO NOT EXCEED 4000 FEET OF IW-6 PER SYSTEM

 

ORN

RED

 

 

RED / W

 

 

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. Lowlevel 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 (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

 

NUTONE IW-2

LOW-LEVEL

INPUT WIRES

BLUE & BLACK

DECREASE

DECREASE

INCREASE

INCREASE

INTERCOM VOLUME

RADIO VOLUME

CONTROL

CONTROL

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.)

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.

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.

3

MUSIC-ONLY SPEAKER SYSTEM

A separate radio/music source may be connected to a nonintercom IMA-516 speaker system to provide a music-only system.

LOW-LEVEL RADIO/MUSIC OUTPUT

(1)NuTone Radio-Intercom. 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)Existing stereo receiver with tape output jacks. Make connection from black and blue low-level input wires on IMA-516 Amplifier - to - tape output jacks (use “y” adaptor to make connection to both channel A and B jacks). Use IW-2 (max. 10 ft.).

(3)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.

MODEL 301T

TRANSFORMER

IMA-516

120vAC, 60Hz HOUSE

POWER

OBSERVE 18 / 2 (NUTONE S-143) LOCAL CODE

MODELS IS-75,

IS-76, ISA-77

ISA-78, IS-79

SPECIFICATIONS FOR LOW-

LEVEL OUTPUT CONNECTION

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

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

(3)Maximum input voltage: 1 volt.

(4)Input impedence: 100k ohms.

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

LOW-LEVEL

INPUT WIRES

BLUE & BLACK

DECREASE

DECREASE

 

 

 

INCREASE

INCREASE

 

INTERCOM VOLUME

RADIO VOLUME

 

CONTROL

CONTROL

 

INPUT

DOOR

 

ORN /WHT

BLK

 

 

DOOR

 

INPUT

BLK /WHT

 

ORN

 

 

CHIME

AC

 

CHIME

AC

 

 

 

OUTPUT

OUTPUT

 

HI

LO

FIELD

RED

RED WHT

GROUNDING

 

 

 

 

WIRE

IC-501 (OBSOLETE)

VOLUME CONTROL NUTONE IW-2 (MAX. 500 FT. TO 2 SPKR.) (MAX 250 FT TO 4 SPKR.) (MAX 125 FT. TO 8 SPKR.)

4

NuTone IA-29, IA-28 User Manual

TYPICAL SYSTEM LAYOUT

The IMA-516 system can be used for two types of apartment layouts: (1) low-rise garden apartments that have a single entrance,

(2) townhouse apartments that have separate entrances for each apartment.

(For systems using 481-B or N482-BX speakers with buzzers)

TO 3RD FLOOR

APARTMENTS

 

 

TRANSFORMER WIRE

 

481B OR

BUZZER WIRE

 

N482-BX

 

 

DOOR RELEASE

APART-

IW-6

WIRE

MENT

TO APT. SPEAKER

 

SPEAKER

1ST FLOOR

 

 

 

2ND FLOOR

 

 

481-B or 482-BX

 

 

APARTMENT

 

 

SPEAKER

 

 

BLK/W

 

 

BLACK

18 GA.

 

ORANGE

 

 

 

ORANGE

 

 

RED/W

BUZZER

 

 

 

RED

WIRE

 

 

TO

TO

TRANSFORMER

 

 

DOOR

 

 

RELEASE

NUTONE IW-6, 4000 FT. MAX. PER SYSTEM.

 

500 FT. MAX. ANY ONE RUN

 

 

1ST FLOOR

 

 

DECREASE

DECREASE

 

 

INCREASE

INCREASE

NUTONE IW-2

 

 

(400 FT. MAX.)

 

 

INTERCOM

RADIO

 

 

 

 

 

 

IMA-516

VOLUME

VOLUME

 

 

 

CONTROL

CONTROL

 

 

 

CENTRAL

 

 

 

 

 

 

 

 

AMPLIFIER

INPUT

DOOR BLK

 

 

 

 

ORN/WHT

 

 

 

 

INPUT

DOOR

 

 

 

 

BLK /WHT

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

AC

 

 

 

 

CHIME

AC

 

 

 

 

CHIME

 

 

 

 

 

 

 

 

GA.18

OUTPUT

OUTPUT

 

 

GA.18

LO

 

 

 

HI RED

 

 

 

 

RED WHT

 

 

 

 

 

 

 

 

 

 

 

 

18/2

 

 

 

 

(NUTONE S-143)

 

OBSERVE

 

 

 

 

 

LOCAL CODE

MODEL 301T

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

14 GA.

FIELD

DR-1 DOOR

 

 

 

 

 

 

RELEASE

120vAC,

 

 

GROUNDING

 

 

 

 

 

WIRE

 

60Hz HOUSE

 

 

 

POWER

 

 

 

 

 

 

2500 FT. MAX. TO

 

 

(18GA.) 2000 FT.

 

 

LAST SPEAKER BUZZER

 

 

 

 

MAX. BETWEEN DOOR RELEASE

 

 

 

 

AND LAST SPEAKER

 

TO 3RD FLOOR

APARTMENTS

CABLE CONDUCTOR-MULTI OR CONDUCTOR SINGLE .GA 18

1

2

3

MAIN ENTRANCE

DIRECTORY MODEL 498

OR INDIVIDUAL DOOR

SPEAKERS WITH

PUSHBUTTONS

(OPTIONAL) POSTAL LOCK SWITCH (MODEL 499). DOTTED LINE WIRING

LOW-RISE GARDEN APARTMENTS

A typical system includes an entrance directory (with pushbuttons and speaker), apartment speakers (with built-in door buzzer or a separate door chime), and an electric door release.

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