Broan 331H User Manual

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SPECIFICATION SHEET

CUSTOM HOOD

BLOWERS

Powerful cooktop ventilation and functional lighting - for use with custom hoods.

FEATURES

Model 320

Interior-mountedblowerfor conventional cooking

Twin centrifugal blower - 420 cfm

Plug-in,thermally protected motor with resilient mounting and permanent lubrication

Uses Model 420 rough-inkit with 3¼” x 10” duct

Add transition, ductwork, elbows, and roof cap (see back)

Model 323

Interior-mountedhigh capacity blower

Twin centrifugal blower - 1170 cfm

Plug-in,thermally protected motor with resilient mounting and permanent lubrication

Heat Sentry™ protection - turns blower on to high speed when excess cooking heat is detected

Uses Model 422 rough-inkit 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-statecontrols with infinite adjustment.

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.

SPECIFICATIONS

MODEL

APPLICATION

VOLTS

CFM

SONES

ROUGH-INKIT

 

 

 

 

 

 

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

 

 

 

 

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)

REFERENCE

QTY.

REMARKS

Project

 

 

 

 

 

 

 

 

 

Location

 

 

 

 

 

 

 

 

 

Architect

 

 

 

 

 

 

 

 

 

Engineer

 

 

 

 

 

 

 

 

 

Contractor

 

 

 

 

 

 

 

 

 

Submitted By

Date

 

 

 

 

 

 

 

 

10C

99042761B

CUSTOM HOOD BLOWER SYSTEM

Model 634

Roof Cap Straight ductwork

sections

(NOT SHOWN). 2 ft. lengths most common.

Models 411, 412H, 413

3¼” x 10" to 6”, 7”, 8” Round Transition

Models 331H & 332H

Exterior Blowers

Model 454

4½ x 18½ to 10” Rd.

Right

Transition

13

9

 

Model 423

Model 428

4½ x 18½ to 10”

3¼” x 10"

Rd. Vertical

900 Elbow

Transition

Model 437

High-Capacity

Roof Cap

Model 421

10" Round

Damper

Model 418

10” Round

900 Elbow

1 4

Model 424

4½ x 18½ to 10” Rd.

Front/Rear

Transition

1

 

10

2

Model 420

3¼” x 10” Rough-inPlate

23 2

1

 

 

 

1

2

 

 

 

 

 

10

23

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

2

 

Included with

 

 

Model 422

 

 

Model 329H

 

 

 

 

 

 

4½” x 18½”

 

 

4½” x 18½”

 

 

 

 

 

 

Rough-in

 

 

Rough-in

 

 

 

 

 

 

Plate

 

 

Plate

 

 

 

 

 

 

 

 

 

 

 

(320

&

329)

 

 

 

 

 

 

 

 

 

(323)

 

 

 

 

 

 

 

 

Model 320

Interior Blower (420 cfm)

Model 323

Interior Blower (1170 cfm)

Model 329H

Interior Control Pack

 

(for use with Models 331H &

332H)