Page 2 - INSTALLATION
2 Wiring Specifications NuTone IW-2: 22 GA. Twisted Pair. NuTone IWA-3: Flat Ribbon Type 3-wire, 22 GA. cable. NuTone S-143: 18 GA. 2-conductor insulated. No. 14/2: 120v, 60Hz Power Cable: Class 1. U.L. Listed(not supplied by NuTone). 14 GA.: Ground Wire (not supplied by NuTone). Speaker Wiring An i...
Page 3 - Wire Matching Chart
3 Wire Matching Chart NuTone has adopted the use of a 3-wire color-coded cable. If you are replacing an older model radio-intercom, use this chartto match the copper/center/silver designations of older wiringwith the blue/grey/red-stripe color-coded wire. Connecting the RemoteSpeaker Wiring NOTE: Al...
Page 4 - Mounting the Master Panel
4 FIGURE 7 FIGURE 8 FIGURE 9 FIGURE 10 INSTALLATION (Continued) Mounting the Master Panel 1. Refer to Figure 6. Use two (2) no. 6 x 3 ⁄ 8 " screws to attach mounting brackets to rough-in frame Using bottom set holes, make sure brackets are flush to wall or rough-inand screws are tight. 2. Refer ...
Page 5 - Connecting Antenna; RADIO MEMORY CHANNEL SELECTION; DISABLING REMOTE STATION RADIO ON/OFF
5 INSTALLATION (Continued) Connecting Antenna 1. Connect the AM/FM antenna (supplied with the IR-104rough-in) to the 2-pin connector located in the upper right corner of the main PC board. In most locations, the antenna supplied with the rough-in provides adequate AM reception. However, in rural or ...
Page 7 - Connecting the Transformers
7 Connecting the OptionalElectronic Chime Module MODELS IA-28 OR IA-29 1. Connect wires from door pushbuttons - front, rear and side - to chime module. 2. Refer to the instructions packaged with the chime module for complete wiring information. 3. Refer to Figure 17. Locate the chime module mounting...
Page 8 - Securing the Master Panel
8 Securing the Master Panel 1. Refer to Figure 20. Inspect all wiring connections to make sure they are complete and correct. 2. Make sure all antenna connections are secure. 3. Position all Remote Speaker wires toward the LEFT-HAND side of the wiring channel to prevent interference with theunit’s h...
Page 9 - SYSTEM OPERATING CONTROLS; Master Station Controls
9 SYSTEM OPERATING CONTROLS PM 21 22 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 Master Station Controls 1 END CALL: Ends intercom communication and returns system to audio source. 2 DOOR TALK: Initiates intercom communication to the door speakers. 3 INSIDE/PATIO: Initiates intercom communica...
Page 10 - Digital Clock; SETTING THE TIME; Operational Checkout
10 SYSTEM OPERATING CONTROLS Digital Clock SETTING THE TIME 1. Press the TIME SET key one time. The display will begin flashing, and the words SET TIME will be displayed. 2. Within 5 seconds, press the HOUR key to advance the hours. Use the HOUR key to select AM/PM byadvancing past12:00 on thedispla...
Page 11 - OPERATIONAL CHECKOUT; Diagnostic Tests
11 OPERATIONAL CHECKOUT The following diagnostic test have been incorporated into the NuTone IMA-3303 Radio Intercom to assist in systemtroubleshooting. 1. Master station keyboard test2. Control line voltage test3. Display test The following applies to all three diagnostic tests: 1. To access any of...
Page 12 - INSTALLER'S TROUBLESHOOTING GUIDE
12 TROUBLE No radio, no intercom.(No Display). No radio, intercom working. (AM/FM indicator on.). Low or distorted radiovolume. Low or no intercom volumefrom remote speaker inMONITOR mode. System squeals when usingintercom. No electrical power. Defective transformer. Faulty Master Station. Installat...
Page 16 - Two Year Limited Warranty
Product specifications subject to change without notice. 4820 Bank Road, Cincinnati, Ohio 45227 Printed in China, 10/03, Part No. 83068 Two Year Limited Warranty WARRANTY OWNER: NuTone warrants to the original consumer purchaser of its products that such products will be free from defects in materia...