Installation Guide

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Installation Instructions

Please Leave for Occupant

Incandescent Preset Dimmers

N-603P, N-1003P, N-1503P, N-2003P

120 V , 60 Hz

Installation:

TURN OFF POWER. Control may only be installed when

power is turned off. Remove fuse or turn circuit breaker off.

2. Remove wallplate from dimmer to prevent damage and to

access mounting holes. Pull out at top and bottom edges,

plate will snap off.

3. Strip wallbox wires to the following lengths:

• 1/2" (13 mm) for 10, 12, and 14 gauge wire

• 5/8" (16 mm) for 16 and 18 gauge wire

4. Use wire connectors supplied to make connections as shown

in diagram.

5. To wire in a single pole application:

• Connect the green ground wire on the dimmer to the green

or bare copper ground wire in the wallbox.

• Connect the black wire on the dimmer to the live wire coming

from the fusebox or circuit breaker.

• Connect one red wire on the dimmer to the wire going to the

light.

• Cap off the remaining red wire on the dimmer with a wire

connector. The control will function properly if either red wire is

used. See Figure 1.

IMPORTANT NOTES:

Please read before installing.

• To avoid overheating and possible damage to the other

equipment, do not use to control a receptacle, a fluorescent

lighting fixture, a motor-operated appliance, or a transformer-

supplied appliance.

• For incandescent lamps operating on 120 V , 60 Hz only.

• Allow a minimum space of 4-1/2" (114 mm) above and below

the dimmers for proper heat dissipation.

• Check new installation for shorts prior to installation of

dimmer by using a standard switch and connecting

appropriate wires to hot line and lamp with POWER OFF.

Turn power ON. If lights do not work or breaker trips, a short

is present. Correct the wiring and check circuit again. Install

dimmer when short is no longer present.

• If a green or bare copper ground connection is not available

in the wallbox, contact a licensed electrician.

• Turn POWER OFF when installing dimmer. Wiring with

power on may result in personal injury or damage to this

product which will void the warranty.

• For use where ambient temperatures range from 0 °C -

40 °C (32 °F - 104 °F)

• Dimmers must be mounted vertically.

• Clean dimmer with a soft damp cloth only. Do not use

any chemical cleaners.

1/2" (13 mm) or

5/8" (16 mm)

Figure 1. Single Pole Wiring

Neutral

Light

Red

Black

Live

120 V

60 Hz

Ground

Summary of content (4 pages)

PAGE 1
Incandescent Preset Dimmers Installation Instructions Please Leave for Occupant IMPORTANT NOTES: Please read before installing. • To avoid overheating and possible damage to the other equipment, do not use to control a receptacle, a fluorescent lighting fixture, a motor-operated appliance, or a transformersupplied appliance. • For incandescent lamps operating on 120 V , 60 Hz only. • Allow a minimum space of 4-1/2" (114 mm) above and below the dimmers for proper heat dissipation.
PAGE 2
To Replace existing 3-Way Switch: For wiring a N-603P, N-1003P, N-1503P or N-2003P in a 3-Way application, the wall switch has three screws; two of one color and a third of a different color. It also has a green ground screw. Mounting Diagram: Slider Using the wire connectors provided: • Connect the wire from the green ground screw to the green ground wire of the dimmer. • Connect the wire from the odd color screw to the black wire of the dimmer.
PAGE 3
2. Assemble the controls. Ganging and Special Wallplates: Dimmers can be ganged with other Nova controls. FOR NEW CONSTRUCTION we suggest installing the dimmers without breaking or removing the side sections. This will insure that the control can be loaded to its full-rated capacity (no derating). Follow the instructions below to install your controls with NO SIDE SECTIONS REMOVED.
PAGE 4
3. Remove inner side sections. 4. Assemble the controls. Using pliers, bend side sections down as far as you can and then bend back to original position. Side sections will break off easily. Use the center or offset mounting holes as needed. Allow a 1/32" (0.8 mm) space between controls for ease in attaching the wallplate. Side section break-off points Note: When removing side sections, remove only inner side sections. Do not remove side sections on outer ends of the gang. 5.