NuTone 671R Instrucciones De Instalación página 2

PLANNING DUCTWORK AND WIRING
Ductwork
1. Use 4" round duct.
2. P lan to run duct from discharge opening of fan to the
outside. For best fan performance, make the duct run as
short as possible and use a minimum number of elbows.
3. Use optional ducting accessories as required.
Wiring
Plan to run 120vAC house wiring (with ground) from the
power source through a standard wall switch.
Preparation
1. R efer to Figure 1. Remove blower/power unit assembly
from the housing.
(a) Unplug the power unit.
(b) R emove the screw (located next to plug-in receptacle)
which holds blower/power unit mounting plate in place.
Do not misplace this screw.
(c) L ift the mounting plate at the end near the plug-in
receptacle until blower wheel clears the scroll.
(d) R emove plate by pulling its tabs out of slots in the
housing. Set blower/power unit aside until needed.
2. Remove one of the wiring knockouts from housing.
MOUNTING THE HOUSING
Mounting Using Mounting Tabs
Refer to Figure 2.
1. L ocate fan housing next to ceiling joist.
2. U sing wood screws (not provided) loosely attach the
housing to ceiling joist through the keyhole slots in
mounting tabs.
3. A djust housing so that it will be flush with the finished
ceiling. For the grille to fit properly, the housing's rim must
not extend beyond finished ceiling surface.
4. W hen housing is properly adjusted, tighten screws in slots.
Mounting Using Hanger Bars
(hanger bars sold separately, order model HB4)
Refer to Figure 3.
1. I nsert hanger bars in slots provided in housing.
2. L ocate fan housing between joists so that the bottom of the
housing is even with the planned finished ceiling. Extend
the hanger bars to the joists.
3. U se screws or nails (not provided) to secure hanger bars to
ceiling joists.
INSTALLING DUCTWORK
1. R efer to Figure 2. Place duct collar over flanges at
discharge opening of fan. Secure collar by snapping tabs
into slots in flanges.
2. R un 4" round duct from outside to fan's discharge opening.
3. Connect duct to fan's duct collar.
WIRING
All wiring must comply with local codes and unit must
be properly grounded.
1. R un 120vAC house wiring (with ground) from wall switch to
fan location.
2. Pull wire through access hole and into junction box.
3. R efer to Figure 4. Use approved wire nuts to connect
house supply wires to fixture as follows: white to white;
black to black. Connect green or bare ground wire to green
ground lead.
FLANGES
COLLERETTES
BRIDAS
JUNCTION BOX
BOÎTE DE
JONCTION
CAJA DE
CONEXIONES
STANDARD
WALL SWITCH
(NOT INCLUDED)
INTERRUPTEUR
MURAL STANDARD
(NON INCLUS)
INTERRUPTOR DE
PARED ESTÁNDAR
(NO SE INCLUYE)
120vAC, 60Hz HOUSE
POWER
COURANT DOMESTIQUE
120V CA, 60 Hz
ELECTRICIDAD DOMÉSTICA:
120 V CA, 60 Hz
2
DUCT COLLAR
COLLIER DE GAINE
COLLARÍN DEL TUBO
MOUNTING TAB
PATTES DE MONTAGE
LENGÜETA DE MONTAJE
WIRING KNOCKOUT
OUVERTURES
PRÉAMORCÉES
AGUJERO CIEGO DE
FIGURE 2
CABLEADO
HANGER BARS
(SOLD SEPARATELY)
BARRES DE SUSPENSION
(VENDUES SÉPARÉMENT)
BARRAS DE SUSPENSIÓN
(SE VENDEN POR SEPARADO)
FIGURE 3
GREEN GROUND
LEAD
VIS VERTE DE MISE À
LA TERRE
HILO VERDE DE
CONEXIÓN A TIERRA
SWITCH BOX
BOÎTE D'INTERRUPTEUR
CAJA DEL INTERRUPTOR
FIELD GROUNDING WIRE
FIL DE MISE À LA TERRE
HILO DE CONEXIÓN A TIERRA
FIGURE 4