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Haier AB28NACBEA User Manual

Haier AB28NACBEA
136 pages
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MANUAL CODE: SYJS-005 -03 Rev.0 .
Haier Group
Auto-Restart function
Group control(with a group controller)
Auto-changeover
The same outdoor unit can match with cassette \convertible\
duct type indoor unit
With new environment friendly refrigerant R407C
Weekly timing(with a weekly timer)
Features
Service Manual
Commercial Air Conditioning
24 28 Universal Outdoor Unit air conditioning
AC28NACBEA+AU28NAHBEA
AD28NAMBEA+AU28NAHBEA
AB28NACBEA+AU28NAHBEA
Remotoe control and Wired remote control(Optional)
AB242ACBEA+AU242AHBEA
AC242ACBEA+AU242AHBEA
AD242AMBEA+AU242AHBEA
AD242AHBE A+ AU242AHBEA
AP242ACBE A+ AU242AHBEA
AU282AHBEA
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Haier AB28NACBEA Specifications

General IconGeneral
BrandHaier
ModelAB28NACBEA
CategoryAir Conditioner
LanguageEnglish

Summary

Description of Products & Features

Products coding direction

Explains the coding system for product models and their components.

a) Description of the coding rule of the models

Details the coding logic for outdoor and indoor unit models.

c) Brief introduction of the series

Introduces different series like Convertible and Duct types.

Specifications

Safety precaution

WARNING

Critical safety information and warnings for installation and operation.

CAUTION

Important safety precautions and warnings for installation and operation.

Net dimensions of indoor and outdoor unit

1) AB242ACBEA AB28NACBEA

Provides detailed drawings of indoor unit dimensions for specific models.

2) AD242AMBEA AD28NAMBEA

Shows dimensional drawings for AD242AMBEA and AD28NAMBEA indoor units.

3) AD242AHBEA

Presents dimensional drawings for the AD242AHBEA indoor unit.

4) AC242ACBEA

Displays dimensional drawings for the AC242ACBEA indoor unit.

5) AC28NACBEA

Provides dimensional drawings for the AC28NACBEA indoor unit.

6) AU242AHBEA AU28NAHBEA AU282AHBEA

Shows dimensional drawings for AU242AHBEA, AU28NAHBEA, AU282AHBEA outdoor units.

Installation instructions

1. Installation Tools

Lists required tools for the installation process.

2. Standard Accessories

Lists standard accessories included with the unit.

4. Installation procedures & Points of attention

Details installation steps and important considerations.

Parts and functions

6.PARTS AND FUNCTIONS

Identifies and explains the components and functions of the unit.

Fig.1 Indoor Unit

Illustrates the components of the indoor unit with labels.

Remote controller functions

Remote controller

Details the functions and operations of the remote controller.

1.TEMP Setting Button

Sets the desired temperature for the air conditioner.

2.SWING Button

Controls the airflow direction swing function.

3.Power ON/OFF Button

Starts and stops the air conditioner unit.

4.Operation MODE

Selects the operating mode (Auto, Cool, Dry, Heat, Fan).

5.HEALTH Button

Activates the health mode, potentially with ion functions.

6.CLOCK Button

Sets the correct time for the remote controller.

8. FILTER Button

Controls the filter status or function.

9. CODE Button

Selects the unit code (A or B).

10. RESET Button

Resets the remote controller to its correct operation.

11.LOCK Button

Locks the remote controller buttons to prevent accidental changes.

12.LIGHT Button

Activates the control panel light.

13. Up and down Button

Adjusts settings like timer and clock.

14.HIGH/SO Button

Selects High or Soft operation modes.

15.SET Button

Confirms TIMER and CLOCK settings.

16.FRESH Button

Activates the fresh air intake function.

17.SLEEP Button

Sets the air conditioner to sleep mode for comfort.

18.FAN Button

Selects the fan speed (Low, Mid, High, Auto).

Clock Set

Procedure for setting the clock on the remote controller.

Battery loading

Instructions for loading and replacing batteries in the remote controller.

Refrigerant diagram

8.Refrigerant Diagram

Illustrates the refrigerant flow during cooling and heating operations.

Electrical control functions

1) Turn on/off unit

Flow chart detailing the unit's power on/off sequence.

2) Cooling operation

Flow chart illustrating the cooling operation logic.

3)Dehumidifying operation

Flow chart explaining the dehumidifying operation logic.

4) Heating operation

Flow chart describing the heating operation logic.

Diagnostic information(trouble shooting)

10.1 Failure code

Lists failure codes for remote and wired control units with descriptions.

10.2 Trouble Shooting - Detailed for engineer

Provides detailed malfunction flow charts for cooling and heating issues.

Electrical data

11.1 Wiring Diagram

Wiring diagrams for various unit types.

11.1.1 Outdoor unit

Wiring diagrams for single-phase and three-phase outdoor units.

11.1.2 Indoor unit

Wiring diagrams for various indoor unit types.

Exploded Views & Part Lists

12.1 Outdoor Units-24\28

Exploded view diagram for outdoor units (24/28 series).

Indoor Unit Exploded Views and Parts Lists

Exploded views and parts lists for various indoor unit models.

Performance Curves

1 Cooling

Performance curves related to cooling capacity based on air conditions.

2 Heating

Performance curves related to heating capacity based on air conditions.

Model: AD28NAMBEA

Performance graphs (Cool Capacity, EER) for AD28NAMBEA model.

Model: AC28NACBEA

Performance graphs (Cool Capacity, EER) for AC28NACBEA model.

Model: AB28NACBEA

Performance graphs (Cool Capacity, EER) for AB28NACBEA model.

Noise level charts

Noise level charts

Presents charts detailing the noise levels of the air conditioning units.

Air velocity distribution

Model: AC28NACBEA

Air velocity and temperature distribution charts for AC28NACBEA.

Model: AB28NACBEA

Air velocity and temperature distribution charts for AB28NACBEA.

AD28NAMBEA

Air velocity and temperature distribution charts for AD28NAMBEA.

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