ComfortStar CHF12CA(I) - User Manual

IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.
DUCTLESS MINI-SPLITS
Outdoor Unit Model
CZP12CA(O)
CZP09CD(O)
CZP12CD(O)
CZP18CD(O)
CZP24CD(O)
CHF09CD(O)
CHF12CD(O)
CHF18CD(O)
CHF24CD(O)
Indoor Unit Model
CHF12CA(I)
CHF09CD(I)
CHF12CD(I)
CHF18CD(I)
CHF24CD(I)
Owner’s Manual &
Installation Manual
eAir LLC
12201 N.W. 107 Avenue, Medley, FL 33178
www.comfortstarusa.com

Summary

Safety Precautions

Warnings for Product Use

Essential warnings for safe product operation and potential hazards.

Cleaning and Maintenance Warnings

Crucial safety guidelines for cleaning and maintaining the unit.

Safety Precautions

Electrical Warnings

Critical safety instructions related to electrical connections and power supply.

Fuse Specifications

Details on the air conditioner's circuit board fuse for overcurrent protection.

UV-C Lamp Safety

Precautions and warnings regarding the operation and potential hazards of UV-C lamps.

Safety Precautions

Warnings for Product Installation

Safety directives for ensuring proper and secure installation of the unit.

Fluorinated Gases Information

Notes on fluorinated greenhouse gases and their handling, not applicable to R290.

Safety Precautions

R32;R290 Refrigerant Usage

Guidelines and warnings for operating units with R32 or R290 refrigerants.

European Disposal Guidelines

Instructions for the correct disposal of electrical and electronic equipment in Europe.

Unit Specifications and Features

Indoor Unit Display Overview

Explains the indicators and display window on the indoor unit for operation status.

Unit Specifications and Features

Operating Temperature Ranges

Details the acceptable room and outdoor temperatures for optimal unit performance.

Unit Specifications and Features

Other Operational Features

Describes various functions like Auto-Restart, Anti-mildew, Wireless Control, and Sleep Operation.

Unit Specifications and Features

Airflow Angle Adjustment

Guides on setting vertical and horizontal airflow directions for optimal comfort.

Manual Operation Mode

Instructions for operating the unit manually when the remote control is unavailable.

Care and Maintenance

Indoor Unit Cleaning Guide

Step-by-step instructions for safely cleaning the indoor unit with appropriate materials.

Air Filter Cleaning Procedure

Detailed steps for removing, cleaning, and reinstalling the air filters for efficiency.

Care and Maintenance

Air Filter Reminders

Explains the indicators for filter cleaning and replacement and how to reset them.

Long-Term Non-Use Maintenance

Procedures for preparing the unit for extended periods of inactivity.

Pre-Season Maintenance Checks

Recommended checks before periods of frequent use or after long periods of non-use.

Troubleshooting Common Issues

Unit Operation Problems

Addresses common issues like unit not turning on, mode changes, and white mist.

Troubleshooting Common Issues

Noise and Odor Issues

Explains causes and solutions for various noises and odors emitted by the unit.

Poor Cooling Performance Causes

Identifies factors affecting cooling efficiency and provides solutions.

Troubleshooting Common Issues

Unit Not Working or Erratic

Troubleshooting steps for when the unit is not working, starts/stops frequently, or shows error codes.

Air Conditioner Accessories

Indoor Unit Installation Summary

Indoor and Outdoor Unit Parts

Indoor Unit Installation Procedures

Selecting Indoor Unit Location

Guidelines for choosing the optimal and safe location for the indoor unit installation.

Mounting Plate Installation

Instructions on how to properly attach the mounting plate to the wall for the indoor unit.

Indoor Unit Installation Procedures

Drilling Wall Hole for Piping

Details on drilling the wall hole with correct angle and dimensions for piping.

Indoor Unit Installation Procedures

Preparing Refrigerant Piping

Steps for preparing and routing the refrigerant piping from the indoor unit.

Indoor Unit Installation Procedures

Connecting Refrigerant Piping

Instructions on connecting the refrigerant piping to the indoor unit and securing the unit.

Indoor Unit Installation Procedures

Connecting the Drain Hose

Guides on correctly attaching and routing the drain hose for proper water drainage.

Indoor Unit Installation Procedures

Connecting Signal and Power Cables

Steps for connecting the signal and power cables between indoor and outdoor units.

Indoor Unit Installation Procedures

Wrapping Piping and Cables

Instructions on bundling and securing pipes, cables, and drain hose before wall passage.

Mounting the Indoor Unit

Final steps to securely mount the indoor unit onto the installed mounting plate.

Outdoor Unit Installation Guide

Selecting Outdoor Unit Location

Criteria and guidelines for choosing a suitable location for the outdoor unit.

Outdoor Unit Installation Guide

Installing the Drain Joint

Instructions for installing the drain joint on the outdoor unit, especially for heat pump models.

Anchoring the Outdoor Unit

Procedures for securely anchoring the outdoor unit to the ground or a wall bracket.

Outdoor Unit Installation Guide

Connecting Outdoor Unit Cables

Steps for connecting the signal and power cables to the outdoor unit's terminal block.

Refrigerant Piping Connection

Pipe Length Specifications

Details on maximum pipe lengths and drop heights affecting unit performance.

Cutting Refrigerant Pipes

Instructions on correctly cutting refrigerant pipes to ensure proper connection.

Refrigerant Piping Connection

Removing Pipe Burrs

Steps for removing burrs from pipe ends to ensure an airtight seal.

Flaring Pipe Ends

Guide on properly flaring pipe ends for secure and leak-free connections.

Connecting Indoor Unit Pipes

Instructions for connecting refrigerant pipes to the indoor unit's tubing.

Refrigerant Piping Connection

Connecting Outdoor Unit Pipes

Instructions for connecting refrigerant pipes to the outdoor unit's valves.

Air Evacuation Procedure

Evacuation Preparations

Pre-evacuation checks and precautions to ensure system integrity and safety.

Evacuation Process Steps

Detailed instructions for performing vacuum evacuation of the refrigerant circuit.

Air Evacuation Procedure

Adding Refrigerant Calculations

Guidelines and formulas for calculating and adding refrigerant based on pipe length.

Electrical and Gas Leak Checks

Pre-Test Run Safety Checks

Essential electrical safety and gas leak checks before performing the test run.

Gas Leak Detection Methods

Explains methods for detecting refrigerant leaks using soap and water or a detector.

Performing the Test Run

Test Run Procedures and Checks

Step-by-step guide for conducting the test run and verifying unit functions.

Unit Packing and Unpacking

ComfortStar CHF12CA(I) Specifications