Daikin DCC090 Series User Manual

This manual is to be used by qualified, professionally trained HVAC
technicians only. Daikin does not assume any responsibility for property
damage or personal injury due to improper service procedures or services
performed by an unqualified person.
RSDX6412006r1
November 2016
DCC Cooling/DCH Heat Pumps
Commercial Package Units
with R-410A Refrigerant
4 - 6 Tons & Accessories
Service Instructions
Copyright © 2015 - 2016
Not for installation in the United States or Canada. This unit is for export only.

Daikin DCC090 Series Specifications

General

Series	DCC090 Series
Category	Heat Pump
Operating Temperature Range (Heating)	-15°C to 24°C
Power Supply	220-240 V, 50 Hz
Energy Efficiency Ratio (Heating)	4.0
Energy Efficiency Ratio (Cooling)	3.5
Noise Level (Indoor Unit)	40 dB

Summary

Important Information

Key Safety Warnings

Essential warnings regarding electrical hazards, flammability, and qualified personnel.

Product Identification

Product Design

Unit Location Requirements

Electrical Wiring Precautions

Highlights critical safety measures and code compliance for electrical connections.

System Operation

Startup, Adjustments, and Checks

Outlines essential pre-operation checks, contractor responsibilities, and system startup procedures.

Scheduled Maintenance

Preventive Maintenance Schedule

Provides a checklist of regular inspection and maintenance tasks to ensure optimal performance.

Servicing

Cooling Analysis Chart

A systematic guide to diagnosing and resolving cooling system issues based on symptoms.

S-1 Checking Voltage

Outlines the procedure for measuring supply voltage and checking for imbalances.

S-3 Checking Thermostat, Wiring & Anticipator

Covers checking thermostat connections, wiring integrity, and the cooling anticipator function.

S-15 Checking Capacitor

Explains capacitor functions and testing methods including resistance and capacitance checks.

Heater Kit Wiring Diagrams