Daikin ComfortNet DZ18TC0361CA User Manual

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

Daikin ComfortNet DZ18TC0361CA Specifications

General

Brand	Daikin
Model	ComfortNet DZ18TC0361CA
Category	Air Conditioner
Language	English

Summary

Service Instructions

Important Information

Safe Refrigerant Handling

Guidelines for safe handling of refrigerants, including warnings and procedures.

Product Identification

Accessories

HK* Series Electric Heat Kits

Applications for HK* series electric heat kits for MBVC units.

System Operation

Cooling Cycle Operation

Explanation of the refrigeration cycle for cooling operation in the system.

Heating Cycle Operation

Troubleshooting Chart

Servicing

S-1 Checking Voltage

Procedure for checking voltage levels at various points in the system for diagnostics.

S-9 Checking High and Low Voltage to ECM Motor

S-10A Copeland Comfort Alert™ Diagnostics

Guide for using Copeland Comfort Alert™ diagnostics for UC control issues.

Unitary Diagnostic Codes

Table listing diagnostic codes, their descriptions, possible causes, and corrective actions.

S-17 Checking Compressor

Procedures for checking compressor integrity, resistance, and ground faults.

S-103 Charging

Detailed instructions for charging the system with the correct amount of refrigerant.

S-108 Superheat

Sequence of Operation

1.0 Cooling Operation - Low and High Stage Cool

2.0 Heating Operation

Wiring Diagrams

DX16TC Wiring Diagram

DX18TC Wiring Diagram

DZ18TC Wiring Diagram