Marley MM648 - User Manual

READ AND SAVE THESE INSTRUCTIONS
MODEL MM648 & MM748 FANS AND
MODEL MM664IC, MM667IC & MM667ICF
FAN / LIGHTS
DESCRIPTION
Models MM664IC, MM667IC, MM667ICF, MM648 and MM748 fans
are intended for use in bathrooms. However, they can also be used
in other areas where ventilation is required. Models MM664IC,
MM667IC, and MM667ICF are U.L. Listed Type I.C. (Inherently
Protected) for installation in insulated ceilings.
UNPACKING
Unpack carefully. If there are missing components or hidden
damage, immediately contact your distributor or the delivering
carrier concerning discrepancies.
1.
Do not use this fan with any Solid-State speed control device.
2. Use this unit only in the manner intended by the
manufacturer. If you have questions, contact the
manufacturer.
3. Before servicing or cleaning unit, switch power off at service
panel and lock service panel to prevent power from being
switched on accidentally.
4. Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable codes and
standards, including fire-rated construction.
5. Sufficient air is needed for proper combustion and exhausting
of gases through the flue (chimney) of fuel burning equipment
to prevent back drafting. Follow the heating equipment
manufacturer’s guideline and safety standards such as those
published by the National Fire Protection Association (NFPA),
and the American Society for Heating and Air Conditioning
Engineers (ASHRAE), and the local code authorities.
6. When cutting or drilling into wall or ceiling, do not damage
electrical wiring or other hidden utilities.
7. Ducted fans must always be vented to the outdoors.
8. If this unit is installed over a tub or shower, it must be marked
as appropriate for the application and connected to a GFCI
protected branch circuit. See product label.
9. NEVER place a switch where it can be reached from a tub
or shower.
10. CAUTION: For General Ventilation Only! Do not use to
exhaust hazardous or explosive materials or vapors.
11. Not for use in kitchens.
FIG. 1
MODELS
MM664IC
MM667IC
MM667ICF
IMPORTANT SAFETY INSTRUCTIONS
WARNING:
TO REDUCE RISK OF FIRE, ELECTRICAL SHOCK OR
INJURY TO PERSONS, OBSERVE THE FOLLOWING:
12 1/4"
10
3/4"
6 3/4"
5 1/2"
6 1/4"
7 3/4"
MOTOR AND
BRACKET
ASSEMBLY
OUTLET
BOX
4" AIR DISCHARGE
OUTLET
GRILLE
REFLECTOR
SCREW
LENS

Summary

Product Description and Unpacking

Model Overview

Details the intended use and listing status of Marley fan models MM664IC, MM667IC, MM667ICF, MM648, and MM748.

Unpacking Instructions

Guides users on carefully unpacking the product and reporting any missing components or damage.

Important Safety Instructions

General Safety Precautions

Provides essential safety warnings and guidelines to reduce risks of fire, electrical shock, or injury during installation and use.

Installation Guide

Tools Required

Lists ordinary tools needed for bath fan installation, emphasizing insulated hand tools and U.L. listed power tools.

New Home Installation Steps

Details the process for installing the fan in a new home, covering duct adapter, housing, and electrical connections.

Duct Adapter Attachment

Attaching the duct adapter to the fan housing using pins and tabs.

Housing Installation

Securing the fan housing to ceiling joists using screws or nails.

Electrical Wiring Connection

Running 120VAC, 60Hz power leads from the switch to the housing.

Outlet Box Wiring and Cover Reassembly

Connecting wires and reassembling the outlet box cover, noting independent/linked fan/light operation.

Duct Sizing Recommendation

Recommends duct sizes for different fan models for optimal performance.

Grille Lens Removal

Instruction to remove the lens from the grille for specific models.

Light Bulb Installation

Specifies bulb types and wattages for MM664IC, MM667IC, and MM667ICF models.

Lens Replacement

Instruction to replace the lens after installation.

Wiring Diagrams and Electrical Caution

Wiring Diagrams

Illustrates wiring configurations for different Marley fan models, including single-switch and independent fan/light operation.

Supply Wiring Requirement

Emphasizes that supply wiring must be U.L. rated 90°C for fan/light models.

Electrical Safety and Grounding Caution

Alerts users to ensure all wiring complies with electrical codes and the housing is properly grounded.

Limited Warranty and Service

Limited Warranty Terms

Details the 12-month warranty against defects and limitations on liability for Marley Engineered Products bath fans.

Obtaining Warranty Service

Provides instructions on how to contact Marley Service Department for warranty claims and necessary information.

Ordering Repair Parts

Guides users on how to order replacement parts, requiring model number, part number, and description.

Ensuring Safe Operation

Advises on correct installation, qualified wiring, adherence to codes, and maintaining parts clean for safe operation.

Marley MM648 Specifications

General

Brand	Marley
Model	MM648
Category	Fan
Language	English