Guardian AC4820 User Manual

E-1
Air Cleaning System
USE & CARE INSTRUCTIONS
Model No. AC4820
3-Year Limited Warranty
English E - 1 French F - 1 Spanish S - 1
Date Purchased month ________ year _________
Customer Service
1.866.603.5900
www.guardiantechnologies.com
Use GENUINE Guardian Technologies replacement parts only.
REV1218
©2016 Guardian Technologies LLC
LIMITED WARRANTY
To the consumer, Guardian Technologies LLC warrants this product to be free of defects in materials or
workmanship commencing upon the date of the original purchase. In order to be eligible for this Limited Warranty,
an original sales receipt or comparable substitute proof of purchase bearing the date of original purchase is
required. Refer to the original product carton or specific product/model page on the Guardian Technologies
website for warranty length for your particular model. This warranty applies only to the original purchaser of this
product from the original date of purchase. This warranty covers product purchased from authorized distributors only.
This warranty applies to repair or replacement of product found to be defective in materials or workmanship. This
warranty does not apply to damage resulting from unusual wear, commercial, abusive, unreasonable use or
supplemental damage. This warranty does not cover damage from unauthorized repairs or from any use not in
accordance with the instruction manual. Defects that are the result of normal wear and tear will not be considered
manufacturing defects under this warranty.
If this product should become defective within the warranty period, we will repair or replace any defective parts
free of charge. All warranty repairs must be completed by Guardian Technologies LLC. This warranty gives you
specific legal rights and you may also have other rights (other rights may vary from state to state in the U.S.A.)
To submit product under warranty the complete machine must be delivered pre-paid to GuardianTechnologies LLC.
Please include complete information including: the problem, the model number of the product, the day of purchase,
and a copy of the original sales receipt along with your name, address, and telephone (email optional). Address
returns to the attention of: Customer Service, at the address below. Additional questions or comments can be made
toll free to the number listed below.
Additional copies of the instruction manual can be obtained by accessing and
printing directly from our website or calling customer service.
USA and Canada
Guardian Technologies LLC
26251 Bluestone Blvd.
Euclid, Ohio 44132
1.866.603.5900
www.guardiantechnologies.com
Please go to www.guardiantechnologies.com to register your product. We consider the registration process important
to ensuring superior service to our customers, however submitting the warranty registration is optional and does not
affect your rights to utilize this warranty according to the conditions stated above.

Guardian AC4820 Specifications

General

Brand	Guardian
Model	AC4820
Type	Air Cleaner
Filter Type	HEPA
CADR (Pollen)	120
CADR (Smoke)	100
Weight	7.5 lbs
Filtration Stages	3
UV-C Light	No
Number of Speeds	3
Voltage	120V

Summary

Limited Warranty Information

General Safety Warnings

Electrical Safety Precautions

Important guidelines to prevent electric shock and fire hazards when using the appliance.

Usage and Handling Precautions

Instructions on proper use, placement, and avoiding damage to the unit and cord.

Health and Environmental Warnings

Information on chemical exposure and energy efficiency standards.

Product Specifications and Parts

Air Cleaning System Overview

Details on the air cleaning layers and filter types for improved indoor air quality.

Control Panel and Components

Identification of the control panel features and unit body parts.

Replacement Parts Information

Details on available replacement filters and purchasing options.

Operating Instructions

Before Operating the Air Purifier

Steps for initial setup, including unboxing and placement.

Operating the Air Purifier

Instructions on turning the unit on, selecting modes, and turning it off.

Filter Replacement and Maintenance

Filter Change Indicator

Explanation of the indicator light and when to replace the filter.

Filter Replacement Procedure

Step-by-step guide for replacing the combination filter and resetting the indicator.

Checking and Maintaining Filter

Guidance on how to check filter condition and perform basic maintenance.

Troubleshooting Guide

Common Problems and Solutions

Table listing common issues and their corresponding solutions.

Understanding CADR

Explanation of Clean Air Delivery Rate and its significance.