NuTone LA-155GN, LA-157MA instruction

INSTALLATION INSTRUCTIONS READ & SAVE THESE INSTRUCTIONS!

Two-Note

Surface-Mounted

Door Chimes

MODELS: LA-155GN and LA-157MA

PLANNING

•Your NuTone Door Chime is designed for two-door operation.

•If the home is multiple-level or large ranch style, two or more chimes should be used to provide adequate coverage.

•Handle the door chime carefully, as you would any precision instrument.

WIRING

	FIGURE 1


SINGLE
2-NOTE CHIME	120vAC WIRING

BE SURE HOUSE POWER IS TURNED OFF WHEN WIRING THE TRANSFORMER. WIRING CONNECTIONS MUST COMPLY WITH LOCAL OR NATIONAL WIRING CODES.

•For a single installation, use NuTone Model 515T or 101T Transformer.

•For two or more chimes, use NuTone Model 105T or 301T Transformer.

NOTE: When fastening chime wiring to wall studs and ceiling joists, care must be taken to avoid possible “shorts” that might be created by allowing staples or clips to cut through the protective wiring insulation.

FRONT

TRANS

REAR

18-22 GA. INSULATED TERMINAL 2-CONDUCTOR WIRE BOARD

FRONT DOOR

PUSHBUTTON

NUTONE 101T OR 515T TRANSFORMER

REAR DOOR

PUSHBUTTON

Refer to Figure 1. Mount the transformer to a convenient junction box (attic location is not recommended) or circuit breaker box. Connect house power leads to transformer leads – black to black and white to white.

Refer to Figure 2 for single chime installation or to Figure 3 for multiple chime installation. Run 2 conductor 18-22 gauge wire from transformer and the pushbutton(s) to chime location(s). Bring the wires through the wiring hole in the chime baseplate(s) and fasten the baseplate(s) to the wall though the mounting holes with the screws provided. Connect the transformer and the pushbutton wires to the chime terminal board(s).

NOTE: Upon completion of installation, if the chime does not operate properly, check the pushbutton(s) for poor contact or loose connections. Be certain wires are not touching the tone bars.

MOUNTING COVER

Place the chime over the baseplate. Make sure hanger bracket engages slot in top of baseplate.

MAINTENANCE INSTRUCTIONS

If chime plungers should ever become “sluggish” in their movement, clean plungers with a nonflammable cleaning fluid and wipe dry.

CAUTION: NEVER OIL CHIME PLUNGERS.

REPLACEMENT PARTS OR SERVICE

Contact your local Authorized NuTone Parts Outlet or Service Center. If you are unable to locate the facility, write NuTone Inc., Madison and Red Bank Roads, Cincinnati, Ohio 45227-1599.

Attention: Department of National Field Service.

FIGURE 2

MULTIPLE
2-NOTE CHIMES		FRONT DOOR	120vAC WIRING
		PUSHBUTTON
FRONT	FRONT	18-22 GA. INSULATED
		18-22 GA. INSULATED
TRANS	TRANS	2-CONDUCTOR WIRE
TRANS	TRANS
REAR	REAR		NUTONE 105T
		COMMON WIRES	NUTONE 105T
		COMMON WIRES	OR 301T
TERMINAL	TERMINAL		TRANSFORMER
TERMINAL	TERMINAL
BOARD	BOARD
CHIME NO. 1	CHIME NO. 2	REAR DOOR
		PUSHBUTTON
			FIGURE 3

LA-155GN, LA-157MA specifications

The NuTone LA-155GN and LA-157MA are advanced speaker designs that represent the intersection of quality sound performance and sophisticated aesthetics for today's modern home. Both speakers are engineered to cater to a variety of applications, making them versatile additions to any audio system.

The LA-155GN is a robust, lightweight model that features a sleek, low-profile grille design. One of its standout characteristics is the high-fidelity sound reproduction, providing clear vocals and rich bass tones. With an ability to deliver a wide frequency response, this speaker performs exceptionally well in both music and vocal applications. Its unique design allows for easy installation either on-wall or in-ceiling, providing flexibility in placement without compromising sound quality.

On the other hand, the LA-157MA enhances the audio experience with its integrated 15-watt amplifier, delivering exceptional sound clarity and power in a compact unit. This model also features a high-efficiency driver that captures and amplifies a broad spectral range of sounds. The LA-157MA is designed for easy connectivity with various devices, making it suitable for home theater setups, multimedia presentations, or background music in living spaces.

Both models incorporate innovative technologies that support seamless integration into existing audio systems. The NuTone system is engineered with built-in protection circuits that prevent damage from overheating, ensuring longevity and reliability in performance. Furthermore, they utilize a hook-up system that allows for straightforward installation and modification, which appeals to both home users and professionals.

The aesthetic appeal of these speakers is significant, featuring a contemporary design that complements various interior decors. The LA-155GN is available in a versatile green finish, while the LA-157MA sports a modern matte aluminum look. This attention to design allows these speakers to blend seamlessly into both casual and formal environments.

Overall, the NuTone LA-155GN and LA-157MA are excellent choices for anyone looking to enhance their audio experience through stylish, powerful, and versatile speakers. With their cutting-edge features and reliable performance, they symbolize NuTone's commitment to quality and innovation in home audio design.

NuTone installation instructions Models LA-155GN and LA-157MA

Models: LA-155GN LA-157MA