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Ameristar 18 Series User Manual

Ameristar 18 Series
42 pages
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88-M4MLW18-1D-EN
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES.
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service informa-
tion pack upon completion of work.
18 Series System (R-410A)
Mini-Split, Inverter System
Single Zone
These instructions do not cover all variations in systems or provide for every possible contingency to be met in
connection with the installation. Should further information be desired or should particular problems arise which are
not covered sufficiently for the purchaser’s purposes, the matter should be referred to your installing dealer or local
distributor.
Installer’s Guide
Single Split Indoor Unit Outdoor Unit
Heat Pump M4MLW18-A M4TLS18-A

Questions and Answers:

Ameristar 18 Series Specifications

General IconGeneral
BrandAmeristar
Model18 Series
CategoryAir Conditioner
LanguageEnglish

Summary

Warnings and Cautions

Understanding Safety Symbols

Definitions of WARNING, CAUTION, and NOTICE symbols used in the manual.

Key Safety Warnings

Critical warnings regarding servicing by qualified personnel and electrical wiring hazards.

Environmental Concerns

Refrigerant Handling and Environmental Safety

Important information on R410A refrigerant, oil type, and environmental responsibility.

Responsible Refrigerant Practices

Manufacturer's stance on and regulatory requirements for responsible refrigerant handling.

Safety Precautions

Installation Safety Guidelines

Detailed safety instructions for installation, electrical connections, and refrigerant handling.

Pre-Installation Checklist

Additional Cautions and Notices

Additional cautions regarding flammable gas, leak checks, and specific installation notices.

Pre-Installation Inspection Items

Essential checks to perform before starting the air conditioner installation process.

System Components and Tools

Items Included in the Package

List of components provided for the indoor and outdoor units of the system.

Required Installation Tools

List of essential tools required for the proper installation of the air conditioning unit.

Installation Overview

Typical Installation Diagram

Illustrates the general setup of indoor and outdoor units with key connection points.

Indoor and Outdoor Unit Components

Identifies and describes the main components of both the indoor and outdoor units.

Clearance Requirements

Indoor Unit Clearance Specifications

Minimum required clearances around the indoor unit for proper operation and installation.

Outdoor Unit Clearance Specifications

Minimum required clearances around the outdoor unit for optimal performance and airflow.

Piping and Operating Specifications

Refrigerant Pipe Requirements

Specifications for refrigerant pipe size, length, and type of oil required for the system.

Operating Temperature Ranges

Defines the acceptable outdoor temperature ranges for heating and cooling operations.

Refrigerant Piping Safety

Handling Refrigerant Lines Safely

Crucial safety measures and procedures for handling refrigerant piping to prevent hazards.

Nitrogen Purging for Brazing

Explains the necessity and procedure of nitrogen purging during brazing to protect the unit.

Installation Location Selection

Indoor Unit Placement Guidelines

Recommendations for selecting an optimal and safe location for the indoor unit installation.

Outdoor Unit Placement Guidelines

Guidelines for choosing the best location for the outdoor unit, considering ventilation and noise.

Indoor Unit Installation

Mounting the Indoor Unit Frame

Steps for securely mounting the indoor unit's wall frame, ensuring levelness and proper support.

Drilling for Piping

Creating the Wall Opening

Instructions on drilling the correct size hole in the wall for refrigerant and drain piping.

Indoor Unit Piping Connections

Connecting Refrigerant Pipes

Detailed steps for connecting refrigerant pipes to the indoor unit, including flaring and evacuation.

Evacuation and Insulation Procedures

Procedures for system evacuation, leak detection, and applying thermal insulation to pipes.

Condensate and Wiring Setup

Condensate Drain Pipe Installation

Instructions for correctly installing the condensate drain pipe for proper water removal.

Indoor Unit Wiring Connections

Steps to access and prepare the indoor unit for power and communication wiring.

Piping and Unit Mounting

Securing Pipes and Cables

Method for binding refrigerant pipes, power cable, and drain hose for organized installation.

Mounting the Indoor Unit

Process for hanging the indoor unit onto the wall mounting frame and sealing openings.

Outdoor Unit Installation

Outdoor Unit Placement and Securing

Guidelines for installing the outdoor unit on a level surface and securing it properly.

Outdoor Unit Condensate Drainage

Procedures for managing condensate from the outdoor unit to prevent hazards and ensure proper drainage.

Refrigerant Piping Installation

Proper Flaring Technique

Step-by-step guide on how to properly flare copper tubing for refrigerant connections.

Pipe Bending Guidelines

Instructions on how to bend refrigerant pipes correctly to avoid damage and leaks.

Piping Configuration Requirements

Outdoor Unit Lower than Indoor Unit

Requirements for piping when the outdoor unit is installed below the indoor unit, including oil trap guidance.

Outdoor Unit Higher than Indoor Unit

Requirements for piping when the outdoor unit is installed above the indoor unit, including oil trap guidance.

Vacuum and Leak Detection

System Evacuation and Leak Testing

Procedures for evacuating the system to the correct vacuum level and detecting refrigerant leaks.

Wiring Safety and Connections

Wiring Installation Precautions

Essential safety precautions to follow before and during electrical wiring installation.

Outdoor Unit Wiring Procedure

Step-by-step guide for connecting power and control wires to the outdoor unit terminals.

Stranded Wire Connections

Securing Stranded Wires

Instructions for properly preparing and connecting stranded wires to terminals for electrical connections.

Electrical System Requirements

Power Supply and Unit Specifications

Electrical requirements including power supply voltage, circuit protection, and unit specifications.

Field Wiring Standards

Guidelines for field wiring, including wire gauge, maximum length, and conduit recommendations.

Electrical Wiring Details

Power Supply and Cable Specifications

Details on power supply wiring, cable specifications, and conduit requirements for installation.

Grounding and Controller Installation

Procedures for proper grounding and references for controller installation.

Post-Installation Checks and Testing

Pre-Operation Checklist

A checklist of critical items to verify before testing the unit's operation.

Initial Unit Operation Test

Steps for performing the initial test operation and instructing the end-user.

Refrigerant System Diagrams

9K-12K Model Diagram

Schematic illustrating the refrigerant flow for the 9K-12K heat pump models.

18K-24K Model Diagram

Schematic illustrating the refrigerant flow for the 18K-24K heat pump models.

Wiring Diagrams and Color Key

Wiring Color Code

Explanation of the color coding used for wiring terminals and components.

Indoor Unit Wiring Schematic

Detailed wiring diagram for the indoor unit, showing component connections.

Outdoor Unit Wiring Diagrams

9-12K Outdoor Unit Wiring

Wiring schematic for the 9-12K outdoor heat pump unit.

24K Outdoor Unit Wiring

Wiring schematic for the 24K outdoor heat pump unit.

Indoor Unit Dimensions

9K-12K Unit Dimensions

Physical dimensions and mounting hole specifications for the 9K and 12K indoor units.

18K-24K Unit Dimensions

Physical dimensions and mounting hole specifications for the 18K and 24K indoor units.

Outdoor Unit Dimensions

9K-12K Outdoor Unit Dimensions

Physical dimensions for the 9K and 12K outdoor units.

18K-24K Outdoor Unit Dimensions

Physical dimensions for the 18K and 24K outdoor units.

Common Error Codes

Error Code Troubleshooting

A list of common error codes, their malfunction types, and recommended troubleshooting steps.

Troubleshooting Guide

Identifying and Resolving Issues

Guide to diagnosing and resolving common operational problems with the air conditioning unit.

Operation and Maintenance

Auxiliary Operation Method

Instructions on how to operate the unit using the auxiliary button when the remote is unavailable.

Indoor Unit Filter Cleaning

Step-by-step guide for cleaning the air filter of the indoor unit.

General Maintenance and Service

Routine Maintenance Tasks

Recommended regular checks and maintenance for the outdoor heat exchanger and drain pipe.

Seasonal Maintenance and Parts

Guidelines for maintenance after seasonal use, parts replacement, and after-sales support.

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