Daikin DFC Series - User Manual

INSTALLATION INSTRUCTIONS



IOD-1053C
11/2022

© 2021-2022
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 2
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 5
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 5
 7
 9
 9
 9
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 
 14
 17
 47
 57
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

Summary

SAFETY INSTRUCTIONS

General Safety Warnings

Essential safety precautions for unit installation and operation.

GENERAL INFORMATION

Unit Location Requirements

Criteria for selecting a safe and effective unit installation location.

INSTALLATION GUIDELINES

Roof Curb Installation

Requirements for installing the roof curb assembly for unit placement.

Unit Precautions

User precautions for unit handling and installation.

UNIT CLEARANCES AND RIGGING

Clearances for Operation and Service

Minimum clearances for safe unit operation and maintenance.

Rigging Details and Warnings

Instructions and safety warnings for lifting and moving the unit.

ELECTRICAL AND CONTROL WIRING

High Voltage Safety Precautions

Safety measures for working with high voltage electrical components.

Wiring Requirements and Notes

Specifications for power supply, grounding, and wiring practices.

AIRFLOW AND DRAINAGE SYSTEMS

Circulating Air and Filters

Ductwork requirements and air filter importance.

Condensate Drain Connection

Proper connection of the condensate drain line.

STARTUP, ADJUSTMENTS, AND CHECKS

Pre-Startup Instructions

Essential checks and procedures before unit startup.

AIR FLOW ADJUSTMENTS

Changing Speed Taps

Adjusting unit airflow via motor speed taps.

REFRIGERANT CHARGE CHECK

Checking Superheat

Procedure for checking and adjusting superheat.

TXV Superheat Adjustment

Process for adjusting TXV for optimal superheat.

HEAT PUMP OPERATION

Cooling Cycle Operation

Unit function during cooling mode.

Heating Cycle Operation

Unit function during heating mode.

MAINTENANCE

General Maintenance Warnings

Critical warnings for safe maintenance procedures.

Filter Maintenance

Outlines the schedule and procedure for replacing or cleaning air filters.

MAINTENANCE OF MICROCHANNEL HEAT EXCHANGERS (MCHE)

MCHE Cleaning Procedure

Step-by-step instructions for cleaning the Microchannel Heat Exchangers.

APPENDIX A BLOWER PERFORMANCE TABLES - AC

Blower Performance Data (DFC Models)

Detailed blower performance data for DFC models.

APPENDIX B ELECTRICAL DATA

Electrical Data for DFC Models

Lists electrical specifications for various DFC model units.

APPENDIX C UNIT DIMENSIONS

Unit Dimensional Drawings

Provides visual representations and dimensions of the unit.

APPENDIX D AIR FLOW FOR ELECTRIC HEAT

Minimum Airflow Requirements

Specifies minimum airflow needed for electric heating operation.

WIRING DIAGRAMS

1-Phase Power and Controls Wiring

Illustrates the electrical connections for 1-phase units.

3-Phase Power and Controls Wiring

Shows the electrical connections for 3-phase units.

START-UP CHECKLIST

Pre Start-Up Checklist Items

A comprehensive list of tasks for initial unit startup.

START-UP MEASUREMENTS

Electrical and Pressure Readings

Fields for recording electrical and pressure data during startup.

Daikin DFC Series Specifications

General

Brand	Daikin
Model	DFC Series
Category	Air Conditioner
Language	English