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Daikin ComfortNet DX18TC Series User Manual

Daikin ComfortNet DX18TC Series
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 DX18TC Series Specifications

General IconGeneral
BrandDaikin
ModelComfortNet DX18TC Series
CategoryAir Conditioner
LanguageEnglish

Summary

IMPORTANT INFORMATION

IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS

General safety notices for consumers and servicers, recognizing safety symbols and labels.

SAFE REFRIGERANT HANDLING

Safe handling guidelines for refrigerants, including warnings about breathing, frostbite, and EPA regulations.

PRODUCT IDENTIFICATION

ACCESSORIES

PRODUCT DESIGN

Capacity Control - ComfortNet™ Models

Explains the two-stage capacity control mechanism for ComfortNet™ models using a solenoid.

SYSTEM OPERATION

Cooling Cycle

Describes the R-410A refrigerant cycle for cooling, including heat transfer and component functions.

Heating Cycle

Explains the heating cycle, including refrigerant flow reversal and component roles.

TROUBLESHOOTING CHART

SERVICING

UNITARY DIAGNOSTIC CODES

WIRING DIAGRAMS

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