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Daikin ComfortNet DX16TC0601AA User Manual

Daikin ComfortNet DX16TC0601AA
101 pages
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1
Service Instructions
ComfortNet™
DX16TC & DX18TC Condensing Units,
DZ16TC & DZ18TC Split System Heat Pumps
with R-410A Refrigerant
Blowers, Coils, & Accessories
This manual is to be used by qualied, professionally trained HVAC technicians only. Goodman
does not assume any responsibility for property damage or personal injury due to improper
service procedures or services performed by an unqualied person.
Copyright © 2015-2020 Daikin Manufacturing Company, L.P.
RSD6200007r21
March 2020

Table of Contents

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Daikin ComfortNet DX16TC0601AA Specifications

General IconGeneral
ModelDX16TC0601AA
TypeSplit System Air Conditioner
SEER Rating16
EER12.5
RefrigerantR-410A
Compressor TypeScroll
Sound Level74 dB
Voltage208/230 V
Phase1
Frequency60 Hz
Sound Level (Outdoor Unit)74 dB
Cooling Capacity5 tons

Summary

IMPORTANT INFORMATION

SAFE REFRIGERANT HANDLING

Provides essential safety guidelines for handling refrigerants.

IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS

RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS

Guides users on identifying and understanding safety symbols and warnings.

SYSTEM OPERATION

TROUBLESHOOTING CHART

SERVICING

S-1 CHECKING VOLTAGE

Details how to measure system voltage and test for correct voltage levels.

Network Troubleshooting

Guides on troubleshooting the ComfortNet system's network communication using LEDs and buttons.

7 SEGMENT LED DIAGNOSTIC CODES

Lists and explains the conditions indicated by the 7-segment LED display codes.

AIR HANDLER DIAGNOSTIC CODES

Explains error codes and troubleshooting steps for air handler diagnostic codes.

S-4 Checking Transformer and Control Circuit

Details how to test the transformer and its control circuit for proper operation.

S-10A Copeland Comfort Alert™ Unitary (UC) Control Diagnostics

Explains the diagnostic features integrated into the Comfort Alert™ unitary control.

UNITARY DIAGNOSTIC CODES

Lists diagnostic codes, symptoms, causes, and corrective actions for system faults.

UNITARY DIAGNOSTIC CODES (Continued)

Continues the diagnostic code reference for various system fault conditions.

S-12 Checking High Pressure Control

Explains how to test the high-pressure control for proper cutout pressure.

Emerson UltraCheck-EZ™ Diagnostic Tool

Explains the use of the diagnostic tool for ECM motor troubleshooting.

S-16H ECM CFM Adjustments DVPTC/MBVC

Explains how to set ECM CFM using dipswitches for DVPTC/MBVC models.

S-17 Checking Compressor

Provides warnings and procedures for checking compressor terminal venting safety.

S-21 Checking Reversing Valve and Solenoid

Explains how to check the reversing valve for sticking and test its solenoid.

S-26 Testing Temperature Sensors (ComfortNet Ready Models Only)

Details how to test outdoor air and coil temperature sensors for accuracy.

Data Line Voltage Troubleshooting and Bias Switches

Explains how to troubleshoot data line voltages and bias switch settings for communication.

S-61A Checking Heater Limit Control(s)

Explains how to test the limit control for heater elements to prevent overheating.

S-101 Leak Testing (Nitrogen or Nitrogen-Traced)

Describes methods for leak testing refrigeration systems using nitrogen.

S-103 Charging

Provides detailed instructions for charging the system with refrigerant, including safety precautions.

S-104 Checking Compressor Efficiency

Details how to check compressor efficiency by examining operating parameters.

S-109 Checking Subcooling

Explains how to check and calculate subcooling for refrigerant charge verification.

S-115 Compressor Burnout

Explains how to diagnose and address compressor burnout conditions and system cleaning.

COMMUNICATIONS TROUBLESHOOTING CHART

Details LED codes, possible causes, and corrective actions for network issues.

S-13 Checking Low Pressure Control

Details how to test the low-pressure control for proper cut-out and cut-in points.

S-16G Checking Emerson Ultratech™ ECM Motors

Covers general checks and considerations for diagnosing Emerson Ultratech ECM motors.

S-17A Resistance Test

Explains how to test compressor windings for resistance and continuity.

S-24 Testing Defrost Control

Guides on testing the defrost control sequence and related components.

S-102 Evacuation

Explains the process of evacuating the system to remove moisture and non-condensables.

Airflow Setting Procedures

Guides on setting airflow based on model, heater size, and trim adjustments.

S-17B Ground Test

Guides on performing a ground test for the compressor and related circuits.

S-100 Refrigeration Repair Practice

Outlines essential practices and safety precautions for repairing refrigeration systems.

S-108 Superheat

Guides on checking and adjusting superheat levels for proper system operation.

SEQUENCE OF OPERATION

WIRING DIAGRAMS

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