NuTone 320 User manual

SPECIFICATION SHEET
REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
Contractor
Submitted By Date
10C 99042761B
CUSTOM HOOD
BLOWERS
Powerful cooktop ventilation and functional lighting -
for use with custom hoods.
FEATURES
Model 320
Interior-mounted blower for conventional cooking
•Twin centrifugal blower - 420 cfm
•Plug-in, thermally protected motor with resilient mount-
ing and permanent lubrication
•Uses Model 420 rough-in kit with 3¼” x 10” duct
•Add transition, ductwork, elbows, and roof cap (see back)
Model 323
Interior-mounted high capacity blower
•Twin centrifugal blower - 1170 cfm
•Plug-in, thermally protected motor with resilient mount-
ing and permanent lubrication
•Heat Sentry™ protection - turns blower on to high speed
when excess cooking heat is detected
•Uses Model 422 rough-in kit with 4½” x 18½” discharge
•Add transition, ductwork, elbows, and roof cap (see back)
Model 329H
Control pack for use with Model 331H & 332H Exterior
Blower
•Model 331H moves 600 cfm
•Model 332H moves 900 cfm
•Heat Sentry™ protection - turns blower on to high speed
when excess cooking heat is detected
•Add appropriate transition and ductwork (see back)
TYPICAL SPECIFICATION
Blower system shall be Broan Model 320 (Model 323).
Blower system to have solid-state controls with infinite ad-
justment.
Filters to be washable aluminum.
Unit to have two lamps, each with 100 watt bulbs.
Motor to be permanently lubricated, thermally protected, and
resiliently mounted.
Air delivery shall be no less than, and sound levels no greater
than listed for each model. All air and sound ratings shall be
certified by HVI. Unit to be U.L. listed.
MODEL APPLICATION VOLTS CFM SONES ROUGH-IN KIT
320 Interior - gas or 120 420 6.0 420
electric ranges
323 Interior high 120 1170 12.5 422
capacity
329H Control Pack 120 — — Included
for Exterior
Blower
SPECIFICATIONS
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)
NuTone, Inc., 4820 Red Bank Road, Cincinnati, OH 45227 (1-800-543-8687)

Model 423
4½ x 18½ to 10”
Rd. Vertical
Transition
Model 424
4½ x 18½
to 10” Rd.
Front/Rear
Transition
Model 418
10” Round
900Elbow
1
Model 437
High-Capacity
Roof Cap
Model 320 Interior Blower (420 cfm)
Model 323 Interior Blower (1170 cfm)
Model 329H Interior Control Pack
(for use with Models 331H &
332H)
4
10
1
2
23
1
2
10
1
2
23
1
2
Model 422
4½” x 18½”
Rough-in
Plate
Model 420
3¼” x 10”
Rough-in
Plate
Model 454
4½ x 18½
to 10” Rd.
Right
Transition
Model 421
10" Round
Damper
Models
331H &
332H
Exterior
Blowers
Model 428
3¼” x 10"
900Elbow
Models 411, 412H, 413
3¼” x 10" to 6”, 7”, 8”
Round Transition
Model 634
Roof Cap
CUSTOM HOOD BLOWER SYSTEM
Straight ductwork
sections
(NOT SHOWN).
2 ft. lengths
most common.
(320 & 329)
(323)
9
Included with
Model 329H
4½” x 18½”
Rough-in
Plate
13