NuTone LA-174 installation instructions Installation Hints, Location, Wiring

INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

Built-In Electronic Chime

MODEL: LA-174

INSTALLATION HINTS

•This Door Chime is recessed into the wall. The white louvered grille is flush-mounted to the wall surface and may be painted.

•IMPORTANT: If the door chime is connected to a NuTone Radio- Intercom System, the chime tones will be heard at all inside and outside speaker locations (chime will not sound at door speaker). The Door Chime must be wired in accordance with the Chime-To- Intercom information that is included in this literature.

•If a NuTone Radio-Intercom System is not used, a door speaker may be installed at the outside of the front door

so chime tones will be heard at that location.

•Use the NuTone transformer that has been supplied with the door chime.

LOCATION

•Select a central location so the door chime will be heard throughout the house.

•Select pushbutton location(s). This door chime can accommodate up to three (3) door operations.

WIRING

IMPORTANT: Be certain all wiring complies with local and state codes.

Disconnect the house power when installing the transformer. Keep electricity off until all wire connection have been made.

When securing the wiring to wall studs or ceiling joist, avoid possible shorts that may occur if staples or clips penetrate the protective wiring insulation.

1.Mount the supplied transformer to any junction or panel box. Connect the white and black wires from the transformer to the matching colors of house supply wires. Use approved wire connectors to make all connections.

2.Refer to Figure 1. Run 18-2 gage wire from the transformer and pushbutton(s) to the chime location.

3.If applicable, run NuTone IW-2 cable (No.22 twisted pair) from the intercom master station to the chime location.

4.If applicable, run NuTone IW-2 cable (No. 22 twisted pair) from remote speaker(s) to door chime location.

5.Pull wires through knockout in housing. Position the housing flange flush to the finished wall surface and carefully secure the housing with screws. CAUTION: The printed circuit board is fragile; DO NOT use nails or hammer.

MOUNTING THE CHIME MAKING CONNECTIONS

Required cutout dimensions: 53⁄8" wide x 71⁄4" high.

Housing: 21⁄4" deep

Refer to Figure 2. Locate wall stud and prepare wall opening at desired location.

1.Refer to Figure 1. Make wire connections to terminals shown as applicable.

2.Upon completion of installation, check whether chime is functioning properly by pressing each door pushbutton, if the chime does not operate, recheck your installation and the pushbutton(s) for poor contact or loose connections.

	OPTIONAL CONNECTIONS
18-22 GA. INSULATED WIRE	HOOK-UP TO RADIO-INTERCOM

1ST DOOR

2ND DOOR

3RD DOOR

18-22 GA.

WIRE

CONNEC-

NUTONE IW-2

PRINTED CIRCUIT BOARD

GREEN (COM)

Radio-Intercom connections to provide chime functions in intercom speakers. See Standard Chime-to-intercom section for specific connections.

INSLUATED WIRE

WIRECONNECTOR

TRANSFORMER HOOK-UP

18-22 GA. INSULATED WIRE. MAX. OF 100 FT. EACH WIRE FOR 22 GA.

TORS

YELLOW	NUTONE IW-2
(TRANS)
120/110 VOLT
AC WIRING

16 VOLT, 10 VATT TRANSFORMER

HOOK-UP TO EXTENSION SPEAKERS (MAX. 3)

Use NuTone IW-2 (22 GA Insulated 2-Conductor cable) – 200 Feet Maximum. Connect Speaker to “EXTENSION SPKR.” No. 1 and No. 2.

FIGURE 1