York DHM36CMB21S Service Manual
York DHM36CMB21S Service Manual

York DHM36CMB21S Service Manual

Inverter-driven air conditioning units
Table of Contents

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Service Manual

"M" SERIES
INVERTER-DRIVEN
AIR CONDITIONING
UNITS
Type
DHM18CMB21S
DHM24CMB21S
OUTDOOR UNIT
DHM30CMB21S
DHM36CMB21S
DHM42CMB21S
READ AND UNDERSTAND
THIS MANUAL BEFORE
USING THIS INVERTER-
DRIVEN AIR CONDITIONING
UNIT. KEEP THIS MANUAL
FOR FUTURE REFERENCE.
Model

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Summarization of Contents

Introduction
Introduction
Overview of the service manual's purpose and scope for inverter-driven units.
Important Safety Instructions
Installation Precautions
Crucial steps and locations to avoid during unit installation to prevent hazards.
Refrigerant Precautions
Safety guidelines and procedures related to handling refrigerants for safe operation.
Electrical Precautions
Essential safety measures for electrical work to prevent shock, fire, and damage.
Schematic Diagram
5.1 Electrical Data
Overview of electrical symbols and their meanings for system components.
5.2 Electrical Wiring
Diagrams illustrating the wiring connections for different unit models.
5.3 Printed Circuit Board
Detailed views and component identification for the main control boards.
Troubleshooting
7.1 Malfunction Indicator
Table detailing LED indicators for various malfunction codes and their meanings.
7.2 Malfunction Checking and Elimination
Procedures for diagnosing and resolving specific malfunctions with visual aids.
Removal Procedures
8.1 Removal Procedures (18K)
Step-by-step guide for disassembling the 18K model outdoor unit.
8.2 Removal Procedures (24K/30K)
Step-by-step guide for disassembling the 24K/30K models outdoor unit.
8.3 Removal Procedures (36K)
Step-by-step guide for disassembling the 36K model outdoor unit.
8.4 Removal Procedures (42K)
Step-by-step guide for disassembling the 42K model outdoor unit.

Table of Contents