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DuctlessAire DA-09 User Manual

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49 pages
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Service Manual
1
Service Manual
Mini-Splits
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DuctlessAire DA-09 Specifications

General IconGeneral
BrandDuctlessAire
ModelDA-09
CategoryAir Conditioner
LanguageEnglish

Summary

Applications and Features

Computer and Server Room Applications

Discusses suitability and guidelines for using mini-splits in server rooms.

Commercial Applications

Commercial Sizing Guidelines

Provides sizing guidelines for commercial applications.

Commercial Filter Maintenance

Recommends filter cleaning frequency for commercial use.

Residential Applications

Residential Sizing Guidelines

Provides sizing guidelines for residential applications.

Residential Indoor Unit Location

Specifies indoor unit mounting height for optimal operation.

Residential Outdoor Unit Location

Details outdoor unit placement considerations.

Sun Room Applications

Sun Room Sizing Guidelines

Provides sizing guidelines for sun rooms.

Low Ambient Cooling

ICM326H Fan Speed Controller Installation

Details installation of the fan speed controller.

Wiring Diagrams

DA-09/DA-12 Cooling Wiring

Wiring diagram for DA-09/DA-12 cooling-only models.

DA-18/DA-24 Cooling Wiring

Wiring diagram for DA-18/DA-24 cooling-only models.

DA-09/DA-12 Heat Pump Wiring

Wiring diagram for DA-09/DA-12 heat pump models.

DA-18/DA-24 Heat Pump Wiring

Wiring diagram for DA-18/DA-24 heat pump models.

Heat Pump Operation

Heat Pump Warm Start Feature

Explains the warm start operation for heat pumps.

Remote Control for Heat Pump Heating

Describes how to use the remote for heat pump heating.

Demand Defrost System

Explains the demand defrost feature of the units.

Defrost Initiation and Termination Conditions

Details conditions for entering and exiting defrost mode.

Reversing Valve Functionality

Explains the function of the reversing valve in heating mode.

Overheating Protection Mechanism

Describes the unit's overheat protection mechanism.

Sleep Function

Sleep Function Operation and Controls

Details how to activate and use the sleep function via the remote.

Sleep Mode Behavior by Mode

Explains sleep mode behavior in different operational modes.

Anti-Mildewing Operation

Anti-Mildewing Functionality After Cooling

Describes the anti-mildewing operation function after cooling.

Power Failure Memory

Unit Memory Functionality After Power Loss

Explains how unit settings are remembered after power failure.

Pre-Installation Requirements

Unit Sizing and Application Reference

Refers to sizing information on previous pages.

Electrical Requirements and Specifications

Details electrical power and wiring specifications.

Recommended Breaker Sizes

Specifies breaker sizes for different unit models.

Line Set Specifications

Line Set Length and Size Charts

Provides specifications for line set lengths and sizes.

Indoor Unit Positioning

Optimal Indoor Unit Mounting Height

Guides on optimal indoor unit mounting height and placement.

Outdoor Unit Positioning

Outdoor Unit Installation Clearances

Specifies minimum clearances for outdoor unit installation.

Installation Tips

List of Required Installation Tools

Lists necessary tools for mini-split installation.

R410A Refrigerant Handling

Discusses properties and precautions for R410A refrigerant.

Electrical Wiring Connection Polarity

Emphasizes polarity sensitivity and point-to-point wiring.

Electrical Interconnect Wire Count

Lists the number of interconnect wires for different models.

Service Valve and Line Set Connection Procedure

Explains handling of service valves and line set connection.

Adding Refrigerant Charge for Line Length

Details how to add refrigerant for longer line sets.

Condensate Piping Installation Guidelines

Provides guidance on condensate drain installation.

Common Technical Problems

Problem 01: Not Cooling Well

Lists reasons and solutions for units not cooling effectively.

Problem 02: Cannot Cool

Lists reasons and solutions for units failing to cool.

Problem 03: Not Heating Well

Lists reasons and solutions for units not heating effectively.

Problem 04: Cannot Heat

Lists reasons and solutions for units failing to heat.

Problem 07: Compressor Not Working

Lists reasons and solutions when the compressor fails to operate.

Problem 05: AC Unit Not Turning On

Lists reasons and solutions for the AC unit not turning on.

Problem 08: Unit Shutdown After Running

Lists reasons and solutions for sudden unit shutdown after operation.

Problem 09: Failure in Heating and Cooling

Lists reasons and solutions for failure in both heating and cooling.

Problem 10: Noise and Vibration Issues

Lists reasons and solutions for noise and vibration issues.

Fan Fitting and Damage

Temperature vs. Resistance Data

Provides temperature and resistance data for sensors.

Unit Fault Codes

DF Fault Code: Defrost Status

Explains the DF fault code and its meaning (normal defrost).

FF Fault Code: Outdoor Low Temperature

Explains the FF fault code related to outdoor low temperature.

E1 Fault Code: Outdoor Sensor Error

Explains the E1 fault code for outdoor temperature sensor fault.

E2 Fault Code: Room Sensor Error

Explains the E2 fault code for room temperature sensor fault.

E3 Fault Code: Coil Pipe Sensor Error

Explains the E3 fault code for coil pipe temperature sensor fault.

E4 Fault Code: Outdoor Unit Abnormal

Explains the E4 fault code for outdoor unit abnormal condition.

E5 Fault Code: Indoor Fan Signal Feedback

Explains the E5 fault code for indoor fan signal feedback.

E6 Fault Code: Indoor Fan Zero Signal

Explains the E6 fault code for no over zero signal to indoor fan.

E7 Fault Code: Outdoor Feedback Error

Explains the E7 fault code for outdoor feedback fault.

E8 Fault Code: Frost/Overheat Protection

Explains the E8 fault code for frost protection/over heat protection.

Maintenance Procedures

Filters and Continuous Fan Maintenance

Discusses maintenance of filters and continuous fan operation.

Monthly Filter Cleaning Recommendation

Recommends monthly cleaning of air filters for optimal airflow.

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