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Daikin ComfortNet DZ16TC0601CA User Manual

Daikin ComfortNet DZ16TC0601CA
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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 DZ16TC0601CA Specifications

General IconGeneral
Model NumberDZ16TC0601CA
CategoryAir Conditioner
BrandDaikin
SeriesComfortNet
SEER Rating16
Energy Efficiency Ratio (EER)12.5
Refrigerant TypeR-410A
Compressor TypeScroll
StagesSingle-stage
Voltage208/230V
Phase1
Frequency60 Hz
Outdoor Unit TypeCondensing Unit
Warranty10 years
Cooling Capacity60000 BTU

Summary

Service Instructions

IMPORTANT INFORMATION

SAFE REFRIGERANT HANDLING

Guidelines for safe handling of refrigerants, including breathing hazards and cold burns.

WARNING

Warning about using returnable service cylinders for refrigerant removal.

SYSTEM OPERATION

DEFROST CYCLE - COMFORTNET™ MODELS

Explanation of the defrost cycle operation for ComfortNet models.

TROUBLESHOOTING CHART

SERVICING

S-1 CHECKING VOLTAGE

Procedure for checking voltage supply to the unit.

Network Troubleshooting

Troubleshooting steps for ComfortNet system network issues.

7 SEGMENT LED (characters will alternate) DESCRIPTION OF CONDITION

Table listing 7-segment LED codes and their corresponding conditions.

PCBJA101- PCBJA102 AIR HANDLER DIAGNOSTIC CODES

Diagnostic codes for motor failure and airflow issues.

PCBJA104 AIR HANDLER DIAGNOSTIC CODES

Diagnostic codes for motor lock-rotor, voltage, and parameter errors.

S-4 Checking Transformer And control circuit

Procedure for testing the unit's transformer and control circuit.

S-9 CHECKING HIGH AND LOW VOLTAGE TO ECM MOTOR

Procedure for checking voltage supply to the ECM motor.

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

Diagnostics for Copeland Comfort Alert system integrated into the UC control.

Symptoms of Abnormal Operation (Legacy & ComfortNet™ Thermostat)

Table detailing abnormal operation symptoms and diagnostic codes.

UNITARY DIAGNOSTIC CODES

Table of unitary diagnostic codes for voltage and protector faults.

S-12 CHECKING HIGH PRESSURE CONTROL

Procedure for checking the high pressure control operation.

S-15B CAPACITANCE CHECK USING A DIGITAL MULTI-METER (IN CAPACITANCE MODE)

Procedure for checking capacitor capacitance with a digital multi-meter.

Emerson UltraCheck-EZ™ Diagnostic Tool

Instructions for using the Emerson UltraCheck-EZ diagnostic tool.

Electrical Checks - Low Voltage Control Circuits

Procedure for checking low voltage control circuit voltages.

S-16H ECM CFM ADJUSTMENTS DVPTC/MBVC

Guide to ECM CFM adjustments using dipswitches for DVPTC/MBVC models.

S-17 CHECKING COMPRESSOR

Safety warnings and procedures for checking compressors.

S-17C UNLOADER TEST PROCEDURE

Procedure for testing the unloader function with Comfort Alert.

S-26 TESTING TEMPERATURE SENSORS (COMFORTNET READY MODELS ONLY)

Procedure for testing temperature sensors on ComfortNet ready models.

S--101 LEAK TESTING (NITROGEN OR NITROGEN-TRACED)

Procedure for leak testing refrigeration systems.

S-103 CHARGING

Procedures and warnings for charging the system with refrigerant.

S-104 CHECKING COMPRESSOR EFFICIENCY

Procedure for checking compressor efficiency.

S-109 CHECKING SUBCOOLING

Procedure for checking subcooling and refrigerant charge.

CHECKING COMPRESSOR EFFICIENCY

Procedure to check compressor efficiency by examining performance test results.

S-115 COMPRESSOR BURNOUT

Procedure for diagnosing and addressing compressor burnout.

S-2 CHECKING WIRING

Procedure for visually inspecting and checking wiring for damage.

COMMUNICATIONS TROUBLESHOOTING CHART

Chart detailing LED status, causes, and corrective actions for network issues.

S-13 CHECKING LOW PRESSURE CONTROL

Procedure for checking the low pressure control operation.

S-16G CHECKING EMERSON ULTRATECHTM ECM MOTORS

General checks and considerations for Emerson Ultratech ECM motors.

Electrical Checks - High Voltage Power Circuits

Procedure for checking high voltage power circuits for safety.

Motor Control/End Bell Checks

Checks for the motor control and end bell components.

S-17A Resistance Test

Procedure for testing compressor winding resistance.

S-17D OPERATION TEST

Operation test procedure if other tests fail to identify the cause.

S-102 EVACUATION

Procedure for evacuating the system to remove moisture and air.

S-110 CHECKING EXPANSION VALVE OPERATION

Procedure for checking the operation of the expansion valve.

S-8A Checking Unitary (UC) Control Compressor Contactor/Relay Contacts

Procedure for checking the compressor contactor/relay contacts on the UC control.

S-14 CHECKING HIGH AND LOW PRESSURE SWITCH VOLTAGE

Procedure for checking voltage at high and low pressure switches.

Motor Checks

Safety precautions before performing motor checks.

S-17B Ground Test

Procedure for performing a ground test on the compressor.

S-15 CHECKING CAPACITOR

Explanation of run capacitor function and testing.

S-100 REFRIGERATION REPAIR PRACTICE

General practices and safety for refrigeration system repairs.

S-108 SUPERHEAT

Procedure for checking superheat and related expansion valve adjustments.

S-15A RESISTANCE CHECK USING A DIGITAL MULTI-METER

Procedure for checking capacitor resistance with a digital multi-meter.

WIRING DIAGRAMS

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