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Pioneer YH024GHFI18RT2 - User Manual

Pioneer YH024GHFI18RT2
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CENTRAL SPLIT AIR CONDITIONER
Technical &
Service Manual
v3.0
IMPORTANT NOTICE: Thank you very much for purchasing this Air Conditioner. Please read this manual carefully before
installing or operating your new air conditioning system. Be sure to save this manual for future reference.
HIGH EFFICENCY
CONDENSING UNIT
- R-410A REFRIGERANT
- 208~230 V, 1 Phase, 60 Hz
- 18 SEER
Models:
YH024GHFI18RT2
• YH036GHFI18RT2
• YH060GHFI18RT2

Other manuals for Pioneer YH024GHFI18RT2

Questions and Answers

  • S
    Stephanie BartonSep 23, 2025
    What does it mean when my Pioneer YH024GHFI18RT2 displays an abnormal AC voltage?
    • F
      fevansSep 23, 2025
      If your Pioneer Heat Pump is experiencing abnormal AC voltage (either >275V or
  • A
    ahansonAug 23, 2025
    Why is my Pioneer Heat Pump not cooling or heating properly?
    • D
      David WillisAug 23, 2025
      If your Pioneer Heat Pump isn't cooling or heating well, start by cleaning the outdoor unit's heat exchanger. Remove any indoor heating devices and maintain good air tightness in the room. Clear any blockages from the outdoor heat exchanger and double-check the temperature settings.
  • M
    Michael JonesAug 25, 2025
    What to do if my Pioneer YH024GHFI18RT2 Heat Pump is leaking water?
    • T
      Timothy WilliamsAug 26, 2025
      If your Pioneer Heat Pump is leaking water, the drainage pipe may be blocked or broken. Try changing the drainage pipe. Also, check the refrigerant pipe joint's wrap to ensure it's completely sealed and re-wrap it tightly if necessary.
  • M
    Michael OliverAug 27, 2025
    Why does the compressor in my Pioneer YH024GHFI18RT2 Heat Pump start and stop frequently?
    • T
      timothy07Aug 27, 2025
      If the compressor in your Pioneer Heat Pump starts and stops frequently, it might be due to blocked air inlet or outlet. Remove any obstacles that are causing the blockage.
  • T
    Trevor ThompsonAug 27, 2025
    How to fix a Pioneer YH024GHFI18RT2 that is lacking refrigerant?
    • J
      jmosleyAug 28, 2025
      If your Pioneer Heat Pump is low on refrigerant, discharge the existing refrigerant and then recharge it according to the rating label instructions.
  • L
    Lauren McintyreSep 18, 2025
    What causes an EEprom Data error in a Pioneer YH024GHFI18RT2 Heat Pump?
    • M
      Mark RobinsonSep 18, 2025
      To fix an EEprom Data error in your Pioneer Heat Pump, replace the EE components. If that doesn't work, replace the outdoor control board components or reassemble the EE components.
  • P
    patelmatthewSep 15, 2025
    What should I do if my Pioneer YH024GHFI18RT2 displays a defrosting sensor fault?
    • I
      Isaiah EvansSep 15, 2025
      If your Pioneer Heat Pump is showing a defrosting sensor fault, first, reconnect the wiring of the defrosting sensor. If the problem persists, replace the defrosting sensor or the outdoor control board.
  • N
    Nicholas AlvarezSep 16, 2025
    How can I resolve an IPM and control board communication fault in my Pioneer YH024GHFI18RT2 Heat Pump?
    • G
      gperezSep 16, 2025
      To address an IPM and control board communication fault in your Pioneer Heat Pump, begin by reconnecting the cable between the control board and the driver board. If the issue persists, replace the communication cable between these boards, or replace the driver board or the control board.
  • E
    elizabethwellsSep 6, 2025
    How to fix a 4-way valve commutation failure in a Pioneer Heat Pump?
    • T
      Tina JohnsonSep 7, 2025
      To resolve a 4-way valve commutation failure in your Pioneer Heat Pump, start by reconnecting the wiring of the 4-way valve. If the problem persists, replace the 4-way valve coil, the 4-way valve itself, or the driver board of the way valve.
  • A
    Alicia FinleySep 4, 2025
    Why does my Pioneer YH024GHFI18RT2 Heat Pump turn off due to high pressure protection?
    • T
      Theodore GallegosSep 4, 2025
      If your Pioneer Heat Pump's high-pressure switch is activated, or the unit is shutting down due to high-pressure protection, begin by reconnecting the wiring of the high-pressure protector. If the problem continues, replace the high-pressure protector. A faulty outdoor control board could also be the cause, so consider replacing it. Overload in cooling or heating modes may also trigger this protection.

Summary

Safety Summary and Precautions

Important Notices and Hazard Definitions

Details important notices, signal words (DANGER, WARNING, CAUTION), and their definitions.

General and Specific Safety Guidelines

Provides essential safety instructions for installation, operation, maintenance, and specific warnings.

General Product Information

Key Features and Technology

Describes 360 DC inverter technology, pressure sensor, compact design, and user comfort features.

Product Lineup and Nomenclature

Lists available models, capacities, and their official model numbers.

Working Range and Installation

Specifies working voltage, operating temperatures, and unit installation compatibility.

Outdoor Unit Appearance

Visual representation of the outdoor units for different models.

Technical Specifications and Data

Detailed Unit Specifications

Comprehensive data on cooling, heating, electrical, and refrigeration system parameters.

Compressor, Piping, and Weight Data

Details on compressor, refrigerant, piping, dimensions, weight, and test condition notes.

Unit Dimensions and Outlines

24 K Model Dimensions

Detailed dimensional drawings and measurements for the 24K outdoor unit.

36 K Model Dimensions

Detailed dimensional drawings and measurements for the 36K outdoor unit.

60 K Model Dimensions

Detailed dimensional drawings and measurements for the 60K outdoor unit.

Electrical Data and Requirements

Power Supply and ELB Ratings

Information on applicable voltage, power supply, and Electric Leakage Breaker ratings.

Performance Capacity and Selection Data

Capacity Characteristic Charts (Cooling)

Performance data for cooling operation at various ambient temperatures for 24K unit.

Capacity Characteristic Charts (Heating)

Performance data for heating operation at various ambient temperatures for 36K unit.

Piping Length Correction Factors

Factors to adjust capacity based on pipe length and height difference.

Defrost Operation Correction Factors

Correction factors for heating capacity considering defrosting periods.

Outdoor Unit Sound Pressure Levels

Sound Pressure Data by Model

Sound pressure level charts for 24K, 36K, and 60K outdoor units across frequency bands.

Refrigerant Cycle Diagrams

Refrigerant Cycle Components (24 K)

Illustrates the refrigerant cycle and lists components for the 24K outdoor unit.

Refrigerant Cycle Components (36 K)

Illustrates the refrigerant cycle and lists components for the 36K outdoor unit.

Refrigerant Cycle Components (60 K)

Illustrates the refrigerant cycle and lists components for the 60K outdoor unit.

Electrical Wiring Diagrams and Component Identification

Electrical Wiring Diagram (24 K)

Shows the electrical wiring diagram for the 24K outdoor unit.

Electrical Wiring Diagram (36 K)

Shows the electrical wiring diagram for the 36K outdoor unit.

Electrical Wiring Diagram (60 K)

Shows the electrical wiring diagram for the 60K outdoor unit.

Control Board Component Identification

Identifies components on main control and display boards for 24K unit.

Driver and Filter Board Component Identification

Identifies components on driver and filter boards for 36K/60K units.

Common Wiring and Wire Size Recommendations

Recommended Wire Sizes

Provides recommended wire sizes for power source and transmitting cables based on model capacity.

Field Setting and Parameter Configuration

Outdoor Unit DIP Switch Settings

Details DIP switch settings for 24K, 36K, and 60K outdoor units for various modes.

Running Parameter Query

Explains how to query system parameters using the 7-segment display for 24K unit.

Parameter Code Descriptions

Lists parameter codes and their descriptions for checking system status.

Piping Work and Refrigerant Handling

Maximum Piping Length and Height Allowed

Specifies maximum allowed pipe length and height difference between units.

Air Tight Test and Additional Refrigerant Charge

Procedures for air tight testing and calculating additional refrigerant charge.

Installation Tools and Procedures

Necessary Tools and Instruments for Installation

List of tools and instruments required for installation, including R410A specific items.

Step-by-Step Installation Flow Chart

Outlines the sequence of installation steps from drawing audit to test run.

Control Modes and Functions

Control Function Overview

Describes control functions like protection modes, operation modes, and valve controls.

Sensor Parameter Tables

Compressor Discharge Temperature Sensor Data

Resistance values for the discharge temperature sensor across a wide temperature range.

Other Sensor Parameter Data

Resistance values for other sensors, covering a wide temperature range.

Troubleshooting Common Issues and Fault Codes

Troubleshooting Guide for Normal Malfunctions

Guide for common issues like unit not starting, frequent stops, or poor performance.

Fault Code Display and Interpretation

Explains how fault codes are displayed using LEDs and 7-segment displays.

Outdoor Unit Fault Code Table

Lists outdoor unit fault codes, causes, and recommended solutions.

Drive Fault Code Tables

Details drive fault codes for 24K and 36K/60K units, their causes, and solutions.

Component Checks and Disassembly Procedures

Refrigerant System Checking Procedure

Procedure and tools for checking the refrigerant system, including pressure and defrosting.

Parts Unit Checks (Fan Motor, Compressor)

Instructions for checking the outdoor fan motor and compressor resistance and continuity.

Compressor and Motor Disassembly;Assembly

Step-by-step guide for disassembling and assembling the outdoor unit components.

Control Logic Description

Outdoor Unit Signal Illustration

Explains the communication signals between indoor units, outdoor unit, and thermostat.

Cooling Mode Operation Logic

Details start, stop, and protection conditions for cooling mode operation.

Heating Mode Operation Logic

Details start, stop, and protection conditions for heating mode operation.

Condenser High-Temperature Protection

Explains condenser high-temperature protection mechanisms in cooling and heating modes.

Pioneer YH024GHFI18RT2 Specifications

General IconGeneral
Model NumberYH024GHFI18RT2
CategoryHeat Pump
RefrigerantR410A
Heating Capacity24000 BTU
Cooling Capacity24000 BTU
Weight (Indoor Unit)9 kg
Weight (Outdoor Unit)35 kg

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