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WINDOW/WALL TYPE
ROOM AIR CONDITIONER
MULTI-STEP SPEED ELECTRONIC CONTROL
Room Air Conditioner
Owner's Manual for:
Important Safety Instructions ..........................1-3
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Important Safety Instructions ..........................................................................1-3
Installation Instructions .................................................................................4-11
Normal Sounds ................................................................................................12
Air Conditioner Features ............................................................................ 12-14
Care and Cleaning ..................................................................................... 14-15
Troubleshooting Tips ................................................................................. 15-16
Limited Express Warranty ................................................................................17
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TA B L E O F C O N T E N T S
Normal Sounds
RADS-183P
Air Conditioner Features
4-11
Care and Cleaning
Troubleshooting Tip
RADS-253P
RAD-283M
REG-183M
REG-253M
Before using your air conditioner, please read
this manual carefully and keep it for future reference.
Table of Contents
517.787.2100 • www.marsdelivers.com
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12-14
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14-15
15-16
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Summarization of Contents
Important Safety Instructions
General Safety Warnings
Critical safety warnings regarding operation, potential hazards, and user injury.
User Safety Precautions
Cautions for handling, operation, and user safety, including specific user groups.
Electrical Safety and Cord Operation
Guidelines for electrical connections, power cords, and current detection device operation.
Installation Instructions
Installation Preparation and Window Checks
Initial steps before installation, including reading instructions and checking window fitment.
Window Mounting: Chassis Removal
Step-by-step guide for removing the air conditioner chassis from its packaging.
Window Mounting: Cabinet & Filler Panel Installation
Instructions for installing the cabinet and window filler panels.
Window Mounting: Brackets & Exterior Fitment
Details on installing support brackets and ensuring proper exterior fitment.
Window Mounting: Final Assembly & Features
Completing window mounting, including sash seals and R1 hardware installation.
Window Mounting: Sealing & Thru-Wall Prep
Final window sealing and initial steps for thru-the-wall installation.
Thru-The-Wall Installation: Wall Prep
Selecting the wall location and preparing the opening for thru-wall installation.
Thru-The-Wall: Cabinet & Masonry Setup
Installing the cabinet for thru-wall and initial masonry construction steps.
Masonry Construction Details
Specific guidance for installing the unit in masonry walls.
Normal Sounds
Understanding Normal Unit Sounds
Descriptions of common sounds the air conditioner may produce during operation.
Air Conditioner Features
Electronic Control Panel Overview
Introduction to the control panel, including power, temperature, and clean air functions.
Operating Modes and Controls
Details on fan speeds, sleep mode, filter alerts, energy saver, follow me, modes, and timers.
Display Information and Louver Adjustment
Explanation of display indicators, error codes, and air directional louver operation.
Key Operating Information
Important operational notes, including delayed compressor starts and temperature conversion.
Care and Cleaning
Cleaning Precautions and Air Filter
General cleaning warnings and instructions for cleaning the air filter.
Cabinet Cleaning and Winter Storage
Procedures for cleaning the unit's exterior and preparing it for winter storage.
Troubleshooting Tips
Common Operational Problems
Solutions for typical issues like unit not starting or not cooling effectively.
Advanced Troubleshooting Guide
Solutions for more complex issues such as rapid cycling, noise, and water dripping.
Limited Express Warranty
Warranty Terms, Conditions, and Remedies
Details on warranty coverage, exceptions, conditions, remedies, and liability limitations.
Warranty Claim Submission Process
Steps to follow when submitting a warranty claim for the product.
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