Daikin DZ14 User Manual

1
SERVICE INSTRUCTIONS
DAR09, DAR12, DAT09, DAT12, DX11, DX13, DX14, DX15, DX16
Condensing Units,
DZ11, DZ13, DZ14, DZ16 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. Daikin does not assume any responsi-
bility for property damage or personal injury due to improper
service procedures or services performed by an unqualied
person.
Copyright © 2013-2019 Daikin Manufacturing Company, L.P.
RSD6200006r45
December 2019

Daikin DZ14 Specifications

General

Brand	Daikin
Model	DZ14
Category	Air Conditioner
Language	English

Summary

SERVICE INSTRUCTIONS

IMPORTANT INFORMATION

Provides crucial safety and general product information.

SAFE REFRIGERANT HANDLING

Details safe practices for handling refrigerants.

PRODUCT IDENTIFICATION

SYSTEM OPERATION

Cooling Cycle Operation

Explains the cooling cycle and refrigerant properties.

Heating Cycle Operation

Defrost Cycle Operation

TROUBLESHOOTING CHART

Possible Causes of System Issues

Lists potential causes for system issues based on symptoms.

SERVICING PROCEDURES

Electrical System Checks

Procedures for checking voltage, wiring, and transformer circuits.

Component Testing and Diagnosis

Procedures for checking pressure controls, capacitors, and compressors.

Refrigerant System Service

Practices for leak testing, evacuation, charging, and valve operation.

Troubleshooting Specific Issues

System Performance Checks

ACCESSORIES WIRING DIAGRAMS