CoolSmart CSO-H25-IN - User Manual

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OPERA TION MANUAL

SPL

IT TYP E ROO M AI R CONDITIONER

Please read this operation manual before using the air conditioner.

Keep this operation manual for future reference

This appliance is filled with R32.

CSO-H25-IN

CSO-H35-IN

CSO-H50-IN

CSO-H68-IN

CSO-H25 IN-M

CSO-H35 IN-M

Table of Contents

Questions and Answers

D
david82Aug 7, 2025
Why is my CoolSmart CSO-H25-IN Air Conditioner cooling poorly?
- L
  Lisa AdamsAug 7, 2025
  Poor cooling in your CoolSmart Air Conditioner can stem from several factors. Check if the air filter is dirty and clean it every 15 days. Ensure there are no obstructions blocking the inlet and outlet. Verify that the temperature is set correctly and that all doors and windows are closed. Direct sunlight can also affect cooling, so use curtains. Finally, consider if there are excessive heat sources or too many people in the room.
A
alexandria10Aug 12, 2025
Why is my CoolSmart Air Conditioner making noise?
- K
  kelsey63Aug 12, 2025
  A swishing or gurgling noise in your CoolSmart Air Conditioner is typically the sound of refrigerant flowing through the system. This is more noticeable in the first few minutes after the unit starts. A cracking noise may also occur due to the casing expanding or shrinking with temperature changes. However, if there is a big noise from air flow, the air filter may be too dirty.
R
Ryan MooreAug 19, 2025
Why does my CoolSmart CSO-H25-IN Air Conditioner generate smells?
- H
  holly71Aug 19, 2025
  Smells from your CoolSmart Air Conditioner are usually due to the system circulating odors from the room, such as furniture, paint, or cigarettes.
B
bakerrobertAug 25, 2025
How to restart CoolSmart CSO-H25-IN immediately?
- D
  Dr. Justin Mora Jr.Aug 26, 2025
  If your CoolSmart Air Conditioner doesn't restart immediately after being stopped, it's because the system has a built-in protection mechanism. After the unit is stopped, it will not restart until 3 minutes have passed. If the electric plug is pulled out and reinserted, the protection circuit will also activate for 3 minutes.
D
David BowersAug 31, 2025
Why can’t I change the fan speed in dry mode on my CoolSmart CSO-H25-IN?
- B
  beardjosephAug 31, 2025
  In DRY mode, your CoolSmart Air Conditioner's fan speed cannot be manually changed. When the room temperature drops below the set temperature plus 2 degrees Celsius, the unit will run intermittently at LOW speed, regardless of the fan setting.

Summary

Warning and Safety Precautions

Parts and Functions Overview

Indoor Unit Components

Identifies and illustrates parts of the indoor unit.

Remote Controller Overview

Details buttons and functions of the remote controller.

Outdoor Unit Components

Identifies parts of the outdoor unit.

Battery Loading Procedure

Instructions for loading batteries into the remote.

Air Conditioner Operation Modes

Base Operation Guide

Explains basic unit start, mode, and temperature settings.

Emergency and Test Operation

Covers emergency use and test operation modes.

Air Flow Direction Adjustment

Details how to adjust vertical and horizontal air flow.

Advanced Operation Features

Sleep Operation Modes

Explains sleep mode for cooling, dry, and smart operations.

Turbo and Quiet Operation

Describes how to use Turbo for rapid temp change and Quiet for silence.

Health Operation Function

Explains the anion generator's function for air purification.

Timer and Airflow Control

Timer On;Off Operation

Guides on setting timer functions for unit operation.

Healthy Airflow Operation

Instructions for setting specific airflow patterns for comfort.

Regulatory and Refrigerant Information

Covers European regulations, Wi-Fi specs, and refrigerant details.

Indoor Unit Installation Guide

Necessary Tools for Installation

Lists required tools for the indoor unit installation.

Installation Place Selection

Provides guidelines on choosing the optimal location for the indoor unit.

Installation Drawings

Illustrates the installation process and measurements.

Indoor Unit Mounting and Piping

Mounting Plate Installation

Details fixing the mounting plate and wall hole positioning.

Wall Hole and Piping Cover

Instructions for making the wall hole and fitting the piping cover.

Indoor Unit Body Mounting

Steps for securely hanging the indoor unit body onto the mounting plate.

Connecting Electrical Cables

Guide on connecting the indoor and outdoor unit electrical cables.

Indoor Unit Wiring and Drainage

Cable Connection Procedures

Instructions for connecting cables to indoor and outdoor units.

Drainage Installation

Guidelines for correctly installing the drain hose for proper drainage.

Installation Test Run

Details checks and test run procedures after installation.

Air Conditioner Maintenance

Air Filter Cleaning

Steps for cleaning the air filter for optimal performance.

Air Purifying Filter Replacement

Instructions on how to replace the air purifying filter.

Safety Cautions and Warnings

Troubleshooting Guide

Normal Performance Checks

Common issues like system restart, noise, and smells.

Multiple Check Items

Addresses issues like cooling, fan speed, and environmental factors.

Product Specifications

Lists operating temperature ranges and other technical data.

CoolSmart CSO-H25-IN Specifications

General

Brand	CoolSmart
Model	CSO-H25-IN
Category	Air Conditioner
Language	English

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