EasyManua.ls Logo

Hisense Hi-FLEXi S Series User Manual

Hisense Hi-FLEXi S Series
317 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
TCY12020008D
TCY12020008D
TCY12020008D
VRF AIR-CONDITIONER (HEAT RECOVERY)
AVWT-72FFFH
AVWT-96FFFH
AVWT-120FFFH
AVWT-144FFFH
AVWT-168FFFH
AVWT-192FFFH
AVWT-216~ 456FFFH
Date: April. 2023
Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd.
Add.: No. 218, Qianwangang Road, Economic and Technological Development Zone, Qingdao, China
http://www.hisensehvac.com E-mail: export@hisensehitachi.com
Specications in this catalogue are subject to change without notice, in order that Hisense may
bring the latest innovations to their customers.
BASIC MODELS
COMBINATION MODELS
Technical, Installation
and Service Handbook
VRF AIR-CONDITIONER
HEAT RECOVERY
Hi-FLEXi S
SERIES (208V)

Table of Contents

Questions and Answers:

Hisense Hi-FLEXi S Series Specifications

General IconGeneral
TypeSplit System
RefrigerantR32
Power Supply220-240V, 50Hz
Cooling Capacity12000 BTU/h
Noise Level (Outdoor)50 dB
Air Flow (Indoor)500 m3/h

Summary

Important Notices and Safety Precautions

Important Notices

Provides essential information and warnings for the safe and proper use of the air conditioner.

Installation and Operation Precautions

Details safety guidelines for installation, operation, and environmental considerations.

Operational Temperature Range

Specifies the allowable temperature ranges for cooling and heating operations for various components.

General Safety Warnings

Danger Warnings

Highlights hazardous situations that could result in death or serious injury if not avoided.

Warning Warnings

Details hazardous situations that could result in death or serious injury if not avoided.

Caution Warnings

Provides safety information to avoid minor or moderate injury.

Product Handling and Safety

Cautionary Measures

Lists specific cautions regarding product handling, installation, and operation to prevent hazards.

Checking Product Received

Procedure for inspecting the product upon receipt for damage and verifying specifications.

Design and System Data

Introduction and Outdoor Unit Models

Overview of the system and identification of various outdoor unit models available.

Application Cases

Illustrates typical system configurations for heat recovery and heat pump applications.

Combination Options

Details on combining indoor units with outdoor units for various capacities and configurations.

General Data Specifications

General Data Overview

Provides comprehensive specifications for cooling, heating, electrical parameters, and dimensions.

Component Data

Detailed specifications for outdoor heat exchangers, fan motors, and compressors.

Safety and Control Device Settings

Information on compressor protection devices and their settings.

Sound Data and Dimensional Data

Presents sound pressure levels and detailed physical dimensions for outdoor units.

Piping System Guidelines

Refrigerant Pipe Connections

Illustrates connections for 3-pipe heat recovery and 2-pipe heat pump systems.

Piping Size Specifications

Provides pipe diameter details for various models and system types.

Additional Refrigerant Calculation

Methodology for calculating and charging additional refrigerant based on system configuration.

Piping Connection Kit Dimensions

Diagrams showing dimensions for optional piping connection kits.

Capacities and Selection Procedures

System Selection Procedure

Explains how to select the most suitable outdoor unit considering various factors.

Capacity Correction Factors

Details on how piping length and defrosting affect system capacity.

System Installation Checkpoints

Key checks for system installation, including refrigerant concentration and unit capacity.

Selection Procedure Example

A practical example illustrating the process of selecting units for a multi-room installation.

Control System Operation

Refrigerant Cycle Diagrams

Illustrates the refrigerant flow for cooling, heating, and heat recovery operations.

Control Logic for System Operations

Explains the control logic for various components during different operating modes.

Operation Procedure Charts

Step-by-step flowcharts for cooling, dry, and heating operations.

Defrosting Operation Control

Details the control logic and conditions for the defrosting operation.

Installation Procedures

Structure and Refrigeration Cycle

Overview of the unit's structure and refrigeration cycle, including necessary tools.

Transportation and Handling

Guidelines for safely transporting and lifting the outdoor unit.

Outdoor Unit Installation

Instructions for determining service space, installing the unit, and foundation requirements.

Refrigerant Piping Work

Details on piping materials, flaring, connection, and installation cautions.

Electrical Wiring

Guidance on electrical wiring, including general checks and specific data.

Test Run Procedures

Before Test Run Checks

Essential checks and preparations before commencing the test run.

Test Run from Outdoor Unit Side

Procedure for performing a test run using the outdoor unit's dip switches.

Checking at Test Run

Steps for verifying unit operation, pressure, and voltage during the test run.

Refrigerant Cycle Checking List

A checklist for evaluating the refrigerant cycle's quality and performance.

Troubleshooting and Alarm Codes

Initial Troubleshooting Steps

Basic checks for electrical wiring, power supply, and switch settings.

Checking by 7-Segment Display

Interpreting 7-segment display codes for identifying operational status and alarms.

Troubleshooting by Alarm Code

Detailed list of alarm codes, their causes, and troubleshooting actions.

Abnormalities of Devices

Diagnosing issues related to various components like fans, motors, and sensors.

Main Parts and Their Functions

Inverter Specifications and Protection

Details on inverter specifications, protective functions, and circuit arrangements.

Electronic Expansion Valve

Specifications and wiring diagrams for electronic expansion valves.

Pressure Sensors

Information on high and low pressure sensors and their control characteristics.

Noise Filters and Reactors

Specifications for noise filters and reactors used in the system.

Optional Functions Configuration

Setting Method for Outdoor Unit PCB

Procedure for accessing and setting optional functions via the outdoor unit PCB.

External Input and Output Settings

Configuration of external signals for input and output functions.

Specific Function Settings

Details on setting various optional functions like low noise, demand control, and defrost.

Servicing Procedures

Removing and Attaching Covers

Step-by-step instructions for removing and attaching service, front, and electrical box covers.

Removing Internal Components

Procedures for removing components like fan motors, electrical boxes, and PCBs.

Compressor and Related Component Servicing

Steps for replacing refrigerant oil, coils, reversing valves, and compressors.

Sensor and Expansion Valve Replacement

Procedures for removing and replacing high/low pressure switches, sensors, and expansion valves.

Related product manuals