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MrCool DIYCASSETTE HP-230C25 Series User Manual

MrCool DIYCASSETTE HP-230C25 Series
59 pages
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Please read this manual carefully before installation and keep it for future reference.
Due to updates and constantly improving performance, the information and instructions within this
manual are subject to change without notice. Please visit www.mrcool.com/documentation to
ensure you have the latest version of this manual.
Version Date: 08-02-22
Installation & Owner’s
Manual
DIY
®
Ceiling Cassette
Model - DIYCASSETTE**HP-230C25

Table of Contents

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MrCool DIYCASSETTE HP-230C25 Series Specifications

General IconGeneral
BrandMrCool
ModelDIYCASSETTE HP-230C25 Series
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Understanding Safety Symbols

Explains safety symbols and their meanings for safe operation.

General Operation Warnings

Lists critical DO NOT instructions for safe operation and installation.

Electrical Work Safety

Details warnings and cautions for electrical work and installation.

Electrical and Handling Safety

Electrical Shock Prevention

Warnings about electrical connections, grounding, and wiring.

Refrigerant and Gas Safety

Precautions regarding refrigerant leaks, gases, and handling.

Installation and Operational Safety

Installation and Grounding Warnings

Warnings about proper installation, grounding, and unit handling.

Refrigerant Leak and Disposal Safety

Cautions on refrigerant leaks, packaging disposal, and sharp parts.

Cassette Overview

Installation Guidelines

Guidelines for installation according to local and national standards.

Indoor Unit Components

Identifies key parts of the indoor unit like grille, filter, and outlet.

System Diagram and Parts

System Components Identification

Lists and identifies components of the indoor and outdoor units.

Single/Multi-Zone Installation Notes

Considerations for installing single or multi-zone systems.

Indoor Unit Display Information

Display Panel Layout

Shows the layout of the indoor unit's display panel.

Display Code Meanings

Explains the meaning of various codes shown on the display panel.

Unit Accessories and Parts

Included Accessories List

Lists all parts and accessories included with the unit for installation.

Optional Installation Parts

Lists optional parts that may be needed for installation.

Operating Instructions

Operating Temperature Ranges

Details normal operating temperature ranges for COOL, HEAT, and DRY modes.

Optimal Operation and Energy Saving

Provides guidance for achieving optimal performance and saving energy.

Operating Modes Explained

Auto, Cool, Dry, and Heat Modes

Explains the functionality of different operating modes.

Fan Mode Operation

Describes the FAN mode where only the fan operates for air circulation.

Special Features and Functions

Sleep Mode and Leak Detection

Explains SLEEP mode for energy saving and refrigerant leak detection.

Louver Angle Memory and Cautions

Details louver memory function and warnings about narrow angles.

Advanced Functions and Cautions

Protection and Auto-Restart Features

Explains 3-minute protection and auto-restart after power loss.

Active Clean Function and Warnings

Details the self-cleaning function and associated temperature cautions.

Panel Operation and Module Installation

Automated Panel Drop Operation

Instructions for lowering the air intake grille for filter access.

Wireless Control Module Installation

Guidance on installing the optional wireless control module.

Care and Maintenance

General Maintenance Cautions

Important warnings before performing any service or cleaning.

Cleaning the Indoor Unit

Instructions for cleaning the unit with a soft cloth and cautions.

Air Filter Maintenance

Filter Cleaning Frequency and Methods

Recommends cleaning frequency and methods for the air filter.

Filter Access and Cautions

Steps to access the filter and warnings during removal.

Unit Preparation and Inspection

Preparation for Extended Non-Operation

Steps to prepare the unit for long periods of inactivity.

Pre-Season Inspection Checklist

Checks to perform after prolonged non-operation.

Indoor Unit Dimensions

Face Plate and Side View Dimensions

Shows dimensions for the face plate and side view.

Front View and Clearance Dimensions

Provides front view dimensions and clearance requirements.

Line Set Length Specifications

Single Zone Line Set Specs

Details maximum line set length and height for 18K single-zone systems.

Multi-Zone Line Set Specs

Lists line set lengths and height differences for multi-zone systems.

Indoor Unit Installation

Pre-Installation Tasks

Pre-installation tasks like determining routes and unpacking.

Selecting Installation Location

Guidelines for choosing an appropriate location for the indoor unit.

Cutting Ceiling Hole

Locating Ceiling Joists

Steps to locate ceiling joists for proper mounting.

Using Template for Hole Cutting

Instructions on using the template to mark and cut the ceiling hole.

Cutting and Removal Safety

Safety warnings and tips for cutting drywall and removing debris.

Wall Hole and Sleeve Installation

Drilling Wall Hole for Piping

Instructions for drilling a wall hole for refrigerant piping and cables.

Installing Protective Wall Sleeve

Steps for inserting and securing the protective wall sleeve.

Line Set Preparation

Unwinding Quick Connect Line Set

Instructions on how to unwind the line set to the correct length.

Pipe Bending Guidelines and Cautions

Specifies bend radius and warnings about repeated bending.

Connecting DIYPRO™ Cable

Accessing Control Box and Feeding Cable

Steps to access the control box and feed the DIYPRO™ cable.

Connecting Wires to Terminals

Details on connecting the DIYPRO™ cable wires to the circuit breaker terminals.

Installing Cassette into Ceiling

Cassette Orientation and Positioning

Guides on orienting and lifting the cassette into the ceiling hole.

Mounting Cassette to Ceiling Joists

Instructions on securing the cassette to ceiling joists using screws.

Connecting Line Set to Cassette

Tools and Line Set Connection Notes

Lists necessary tools and crucial notes for line set installation.

Connecting Refrigerant Pipes

Detailed steps for aligning and connecting the line set to cassette adapters.

Line Set Torque and Leak Checks

Connector Torque Requirements

Specifies torque values for line set connectors to prevent leaks or damage.

Checking Piping for Leaks

Method for checking piping connections for refrigerant leaks.

Drainpipe and Tray Installation

Installing Water Receiver Tray

Steps to install the plastic tray beneath line set connections.

Installing Drainpipe Adapter

Instructions for attaching the drainpipe adapter to the cassette.

Drainpipe Routing and Management

Drainpipe Installation Guidelines

Rules for drainpipe slope, supports, and vertical sections.

Drainpipe Outlet and Kink Cautions

Notes on drainpipe outlet placement and avoiding kinks or dents.

Sealing Exterior Wall Hole

Bending Line Set and Sealing Hole

Instructions for bending the line set and sealing the wall hole.

Post-Installation Re-insulation Note

Important note on re-insulating around the cassette after installation.

Outdoor Unit Installation

Selecting Outdoor Unit Location

Guidelines for choosing an appropriate location for the outdoor unit.

Outdoor Unit Clearance Requirements

Specifies minimum clearance around the outdoor unit for airflow.

Outdoor Unit Placement Considerations

Extreme Weather and Salty Air

Guidance for installation in harsh weather and salty environments.

Drain Joint Installation

Steps for installing the drain joint at the bottom of the unit.

Anchoring the Outdoor Unit

Ground Mounting Steps

Instructions for anchoring the unit to the ground or a concrete platform.

Unit Mounting Dimensions

Table listing dimensions for mounting feet based on unit model.

Wall-Mounting and Vibration Reduction

Wall-Mounting Installation Steps

Detailed steps for installing the unit on a wall-mounted bracket.

Reducing Vibration and Noise

Tips on using rubber gaskets to reduce vibration and noise.

Connecting Line Set to Outdoor Unit

Removing Water Tray and Connection Order

Steps to remove tray and guidelines for multi-zone connection order.

Connecting Refrigerant Pipes to Valves

Instructions for aligning and connecting refrigerant pipes to outdoor unit valves.

Line Set Torque and Connections

Connector Torque Requirements

Specifies torque values for connecting line sets to the outdoor unit.

Opening Refrigerant Valves

Opening Top, Bottom, and King Valves

Instructions for opening the refrigerant valves on the outdoor unit.

Checking Connections and Valves for Leaks

Leak Checking Procedure and Importance

Method for checking refrigerant piping and valve connections for leaks.

Cassette Panel Installation

Mounting and Securing the Panel

Steps to attach and secure the cassette face panel to the indoor unit.

Connecting Panel Board to Control Board

Wiring Harness Connections and Circuit Breaker

Steps to connect wiring and set the circuit breaker to ON.

Installing Wireless Controller Module

Module Preparation and Installation

Steps to prepare and install the wireless module into the cassette.

Module Compatibility Warning

Warns against using non-manufacturer modules to prevent malfunction.

Electrical Connections

Electrical Work Regulations and Safety

Lists regulations and precautions for performing electrical work.

Power Supply and Grounding Requirements

Details voltage, circuit capacity, and grounding requirements.

Air Switch Information

Air Switch Requirements and Wiring Diagrams

When to use an air switch and illustrations of wiring configurations.

18K Single-Zone Wiring

Wiring Diagram and Power Cable Selection

Explains the diagram and how to select the correct power cable.

Live and Null Wire Warning

Critical warning about mixing live and null wires.

Multi-Zone System Wiring

Wiring Connection Guidelines and Precautions

Connects cables based on diagrams and lists wiring precautions.

Power Cable Selection for Multi-Zone

Table for selecting power cable gauge for multi-zone units.

Multi-Zone Wiring Diagrams

2, 3, 4, and 5-Zone Diagrams

Wiring diagrams for multi-zone systems up to 5 zones.

Electrical and Gas Leak Checks

Electrical Safety Checks

Confirms electrical wiring installation and grounding.

Gas Leak Check Methods and Post-Check

Describes leak check methods and actions after confirming no leaks.

Test Run Procedures

Pre-Test Run Checks

List of checks to perform before starting the test run.

Performing the Test Run

Steps to perform the test run and post-run checks.

Drainage and Water Discharge Tests

Drainage Test Instructions

Steps to test the smooth flow of the drainpipe.

Water Discharge Test Procedure

Instructions for performing a water discharge test to check drainage.

Troubleshooting Guide

Critical Warnings and Common Issues

Lists critical warnings and common operational events.

Troubleshooting Common Issues

Unit Not Turning On and Mode Changes

Causes for unit not turning on and unexpected mode changes.

White Mist and Noises

Explains white mist emission and different unit noises.

Troubleshooting Noises, Odors, and Performance

Unit Noises, Odors, and Fan Operation

Discusses unit noises, odors, and outdoor fan operation.

Poor Cooling and Heating Performance

Causes and solutions for poor cooling and heating performance.

Troubleshooting Unit Start/Stop Issues

Unit Not Working or Frequent Cycling

Causes and solutions for unit not working or starting/stopping frequently.

Automatic Wiring/Piping Correction

Function Overview and Activation

Explains and details how to activate the automatic wiring/piping correction function.

EU Disposal Guidelines

Correct Disposal of Product

Instructions for disposing of electrical waste and electronic equipment.

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