NuTone IA-29, IA-28 User Manual

INSTALLATION & OPERATING INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

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.

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-6 – Use 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-2 – Use 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.

Central Amplifier

MODEL 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.

MOUNTING HOLES

DECREASE DECREASE

INCREASE INCREASE

INTERCOM VOLUME CONTROL

RADIO VOLUME CONTROL

OUTPUT HI RED

OUTPUT LO RED WHT

INPUT ORN /WHT

DOOR BLK

DOOR BLK /WHT

INPUT ORN

CHIME

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.

IMA-516 AMPLIFIER (WITH COVER REMOVED)

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.

INTERCOM SYSTEM FOR HOME OR OFFICE

NUTONE

ELECTRONIC CHIME

SEE CHIME

INSTALLATION

INSTRUCTIONS

18/2

(NUTONE

S-143)

18/2

(NUTONE

S-143)

TO PUSH BUTTON(S)

TO CHIME TRANSFORMER

BLK / WHT

RED / W

RED

BLK

ORN

ORN/ WHT

DECREASE DECREASE

INCREASE INCREASE

INTERCOM VOLUME

CONTROL

OUTPUT

RED

OUTPUT LO RED WHT

INPUT ORN /WHT

DOOR BLK

DOOR BLK /WHT

CHIME

RADIO VOLUME

CONTROL

IMA-516

CENTRAL AMPLIFIER

INPUT ORN

DOOR SPEAKER MAY BE CONNECTED TO BLACK AND BLACK WHITE TERMINALS IN AMPLIFIER OR REMOTE SPEAKER

DOOR

SPEAKER

DOOR SPEAKER MODELS WITH CHIME PUSHBUTTON. RUN 18 /1 (S-143) TO CHIME LOCATION

FIELD GROUNDING WIRE

14 GAUGE

NUTONE IW-2

(MAX 400 FT)

MODEL 301T TRANSFORMER

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

NUTONE IW-2 (MAX. 200 FT)

NUTONE IW-2

LOW-LEVEL INPUT WIRES BLUE & BLACK

CHIME

ISB-53 ISB-53

ISB-53

120vAC, 60Hz HOUSE POWER OBSERVE LOCAL CODE

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.

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.

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.

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.

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

MAXIMUM OF 10 REMOTE SPEAKER STATIONS AND 2 DOOR SPEAKERS

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.

MODEL 301T TRANSFORMER

18 /2 (NUTONE S-143)

120vAC, 60Hz HOUSE POWER OBSERVE LOCAL CODE

DECREASE

INCREASE

INTERCOM VOLUME

CONTROL

OUTPUT

RED

OUTPUT LO RED WHT

INPUT ORN /WHT

DOOR BLK

DOOR BLK /WHT

CHIME

RADIO VOLUME

CONTROL

INPUT ORN

FIELD GROUNDING WIRE

NUTONE IW-2

LOW-LEVEL INPUT WIRES BLUE & BLACK

CHIME

IMA-516

MODELS IS-75,

IS-76, ISA-77 ISA-78, IS-79

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.)

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.

SPECIFICATIONS FOR LOWLEVEL 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.

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.

OUTPUT HI RED

DOOR BLK

DOOR BLK /WHT

CHIME

INPUT

ORN

CHIME

MODEL 301T TRANSFORMER

481B OR N482-BX

APART-

MENT

SPEAKER

TO 3RD FLOOR

APARTMENTS

TO 3RD FLOOR

APARTMENTS

DOOR RELEASE

WIRE

TO APT. SPEAKER

1ST FLOOR

BUZZER WIRE

TRANSFORMER WIRE

IW-6

2ND FLOOR

BUZZER

WIRE

IMA-516 CENTRAL AMPLIFIER

NUTONE IW-6, 4000 FT. MAX. PER SYSTEM. 500 FT. MAX. ANY ONE RUN

NUTONE IW-2 (400 FT. MAX.)

481-B or 482-BX APARTMENT SPEAKER

BLK/W

RED

ORANGE

BLACK

120vAC, 60Hz HOUSE POWER

OBSERVE LOCAL CODE

2500 FT. MAX. TO LAST SPEAKER BUZZER

(18GA.) 2000 FT. MAX. BETWEEN DOOR RELEASE

FIELD GROUNDING WIRE

14 GA.

DR-1 DOOR RELEASE

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

MAIN ENTRANCE DIRECTORY MODEL 498 OR INDIVIDUAL DOOR SPEAKERS WITH PUSHBUTTONS

18 GA.

18/2

(NUTONE S-143)

18 GA.

1ST FLOOR

18 GA. SINGLE CONDUCTOR OR MULTI-CONDUCTOR CABLE

18 GA.

RADIO VOLUME CONTROL

INTERCOM VOLUME CONTROL

OUTPUT LO RED WHT

INPUT

ORN/WHT

DECREASE

INCREASE

DECREASE

INCREASE

RED/W

ORANGE

TRANSFORMER

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

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.

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