NuTone IM-440 Series installation instructions INSTALLATION Continued, Mounting The Terminal Board

Models: IM-440 Series

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INSTALLATION (Continued)

INSTALLATION (Continued)

WARNING! NEVER EXCEED A TOTAL OF 15 NUTONE 25 OHM SPEAKERS ON THIS SYSTEM.

WARNING! NEVER USE STANDARD 8 OHM STEREO SPEAKERS ON THIS SYSTEM. USE ONLY NUTONE SPECIFIED SPEAKERS ON THIS MASTER.

MOUNTING THE TERMINAL BOARD

1.Remove and clean any drywall debris or dust from the rough-in before beginning installation.

2.Refer to Figure 1. Locate the terminal board in the left rear section of the rough-in frame.

3.Use four (4) Nº 6 x 38“ screws supplied to secure the terminal board to the rough-in frame.

4.Make certain the lower right-hand screw is secure and snug against the ground lug which covers the mounting hole in the terminal board. Do not bend ground lug. Make sure it is positioned between the screw and terminal board.

IMPORTANT

DO NOT APPLY POWER TO THE SYSTEM UNTIL ALL CONNECTIONS ARE COMPLETE AT THE MASTER AND REMOTE STATIONS.

FIGURE 1

CONNECTING THE REMOTE WIRING

All Remote Stations, Remote Controls, Speaker Volume Controls, and Door Speaker Wiring MUST Return Directly to the Master Station. DO NOT CONNECT WIRING FROM SPEAKER TO SPEAKER!

1.Dress all remote wiring through the rectangular holes in the upper right and left sides of the rough-in frame. All wiring connections are made to the master station’s terminal board.

2.Refer to Figure 2. Connect the IW-6 cable from each remote to the appropriate set of terminal screws at the master station’s terminal board. When connecting the cable to the terminal board, be sure to observe the matching of all color codes.

Connect: RED to RED RED/WHT to RED/WHT BLK to BLK BLK/WHT to BLK/WHT ORN to ORN ORN/WHT to ORN/WHT

Only connect one remote to each set of screw terminals. After completing all connections, check for any shorted wires. Dress cables flat against the terminal board to allow space for the master station to be properly secured.

IW-6

MOUNTING HOLES

RED

RED/WHT

BLK

BLK/WHT

ORN

ORN/WHT

FIGURE 2

3.Refer to installation instructions packaged with the remote stations and remote controls for wiring these units.

4.Refer to Figure 3. Use the Wire Matching Chart if you are retro-fitting a system with the previously used IW-6R cable.

IMPORTANT – WHEN NUTONE MODEL IW-6R WIRING IS USED:

CONNECT TO THE

SCREW TERMINALS

ON THE TERMINAL

BOARD MARKED:

1

ORN

2

BLK

3

BLK/WHITE

4

ORN/WHITE

5

RED

6

RED/WHITE

MOUNTING THE TERMINAL BOARDBLUE STRIPE

FIGURE 3

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NuTone IM-440 Series INSTALLATION Continued, Mounting The Terminal Board, Connecting The Remote Wiring