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York YIDH024B21S - User Manual

York YIDH024B21S
186 pages
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SM-18001
SERVICE MANUAL
INVERTER-DRIVEN MULTI-SPLIT SYSTEM
HEAT PUMP AIR CONDITIONERS
Service Manual
< Indoor Units >
●Ducted(HighStatic)Type
(H,Y)IDH018B21S
(H,Y)IDH024B21S
(H,Y)IDH030B21S
(H,Y)IDH036B21S
(H,Y)IDH048B21S
●Ducted(MediumStatic)Type
(H,Y,C)IDM006B21S
(H,Y,C)IDM008B21S
(H,Y,C)IDM012B21S
(H,Y,C)IDM015B21S
(H,Y,C)IDM018B21S
(H,Y,C)IDM024B21S
(H,Y,C)IDM030B21S
(H,Y,C)IDM036B21S
(H,Y,C)IDM048B21S
●Ducted(Slim)Type
(H,Y,C)IDS006B21S
(H,Y,C)IDS008B21S
(H,Y,C)IDS012B21S
(H,Y,C)IDS015B21S
(H,Y,C)IDS018B21S

Table of Contents

Questions and Answers

  • Z
    Zachary WebsterAug 6, 2025
    How to check power supply breaker or fuse on a York YIDH024B21S?
    • J
      Joshua JohnsonAug 7, 2025
      To check the power supply breaker or fuse on your York Air Conditioner, check the voltage on the secondary side of the breaker. Also, use a tester to check the continuity of the fuse.
  • A
    Alyssa MorrisAug 21, 2025
    How to check voltage on the secondary side of the transformer of York YIDH024B21S Air Conditioner?
    • B
      Brandon ColemanAug 21, 2025
      To check the voltage on the secondary side of the transformer of your York Air Conditioner, disconnect at the secondary side of the transformer and measure the voltage using a tester.

Summary

Important Notice

Introduction & Safety

Important Safety Instructions

Defines signal words and general precautions for safe operation and installation.

Signal Words

Defines WARNING, CAUTION, and NOTICE symbols for hazardous situations.

General Precautions

General safety precautions for installation and operation to reduce risk of injury or death.

Installation Precautions

Precautions to follow when installing the unit into walls, rooms, damp areas, high winds, or snowy areas.

Refrigerant Precautions

Precautions to reduce risk of serious injury or death related to refrigerant use and handling.

Electrical Precautions

Precautions to reduce risk of electric shock, fire, or explosion resulting in injury or death.

Installation

Operation

Troubleshooting

Initial Troubleshooting

Covers initial checks for wiring, power supply, and component connections.

Alarm Code Table

Table listing alarm codes, categories, abnormality content, and leading causes.

Troubleshooting Using Alarm Codes

Step-by-step guide for troubleshooting specific alarm codes, like float switch failure.

Maintenance

Field Work Instructions

Caution for Refrigerant Leakage

Special attention regarding refrigerant gas leakage and safety standards like ASHRAE 15.

Modifications of Charging Refrigerants Other than Those Specified by Johnson Controls

DANGER warning against using non-specified refrigerants due to explosion or fire risk.

York YIDH024B21S Specifications

General IconGeneral
Cooling Capacity (BTU/h)24, 000
Cooling Capacity (Tons)2
Voltage (V)208/230
Phase1
RefrigerantR-410A
Sound Level (Outdoor Unit)72 dB

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