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Acson international A4AC150CR - User Manual

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Technical Manual
AIR-COOLED
MINI CHILLER
AMAC 20-150 C/CR
A4AC 20-150 C
A4AC 60-150 CR
A5AC 20-55 CR

Questions and Answers

  • K
    Kimberly AlexanderAug 9, 2025
    What to do if the compressor of my Acson international A4AC150CR Chiller doesn't start?
    • M
      Michael ParrishAug 9, 2025
      If the compressor of your Acson international Chiller doesn't start, here are a few things to check: * First, ensure the unit has a power supply. * Next, check for blown fuses or tripped circuit breakers; replace fuses and reset breakers after correcting any faults. * Inspect all electrical connections for looseness or damage and correct if necessary. * Also, the unit might have been stopped by a safety device; determine the type of safety shut down and correct the fault before restarting the unit. * If these steps don't resolve the issue, there may be a defective contactor or coil, which you should repair or replace. If the compressor is faulty, contact your local dealer.
  • L
    Lacey HarrisAug 18, 2025
    What to do if I see a flow switch error on my Acson international Chiller?
    • A
      Anna PerezAug 18, 2025
      If you're seeing a flow switch error on your Acson international Chiller, it could be due to a few reasons. First, check the water supply to ensure there is water in the system and that the water level is adequate. Also, check the phase protector to ensure that there isn't a missing or reversed phase.
  • D
    dpooleAug 29, 2025
    How to fix a fan that doesn't work on my Acson international Chiller?
    • M
      Michael MasonAug 29, 2025
      If the fan on your Acson international Chiller isn't working, first ensure that the unit has a power supply. If the power supply is fine, it's possible that the fan motor is faulty, in which case you should contact your local dealer.

Summary

1. NOMENCLATURE

2. FEATURES

REFRIGERANT CIRCUIT

Explains the dual refrigerant circuit design for part-loading.

SAFETY AND PROTECTION FEATURES

Lists safety features like pressure switches, overload protectors, and anti-freeze sensors.

ANTIFREEZE AND MAINTENANCE

CHILLER PANEL CONTROLLER OPERATION

4. INSTALLATION GUIDELINES

PANEL INSTALLATION AND CONFIGURATION

Details physical installation, jumper settings, and battery requirements.

5. SOFTWARE AND MENU OPERATION

CORE MENU OPERATIONS

Details Main Menu, Operation Menu, Settings Menu, and parameter/password management.

6. OPERATION USER MANUAL

BASIC CHILLER OPERATIONS

Covers switching ON/OFF, changing modes, and adjusting set temperatures.

ADVANCED OPERATIONS AND SETTINGS

Details manual defrost, advance parameters, password changes, and clock/date settings.

7. TROUBLESHOOTING AND SAFETY DEVICES

REFRIGERANT HANDLING PRECAUTIONS (R407 C & R410 A)

Details special precautions for handling R407C and R410A refrigerants during installation.

SAFETY DEVICES OVERVIEW

Lists safety devices for R22 and R407C models, detailing their types and settings.

INSTALLATION AND DIMENSIONAL DATA

SAFETY PRECAUTIONS AND GUIDELINES

Lists essential safety precautions for installation, including wiring, grounding, and handling.

ELECTRICAL AND WIRING INFORMATION

WIRING DIAGRAMS BY MODEL

Provides detailed wiring diagrams for various chiller models and configurations.

5. SELECTION PROCESS

6. ENGINEERING AND PHYSICAL DATA

7. PERFORMANCE DATA

HEATPUMP HEATING MODE PERFORMANCE

Presents heating performance data tables for various models and conditions.

7. OUTLINE AND DIMENSIONAL

8. ELECTRICAL DATA

10. SERVICING AND MAINTENANCE

11. TROUBLESHOOTING

Acson international A4AC150CR Specifications

General IconGeneral
BrandAcson international
ModelA4AC150CR
CategoryChiller
LanguageEnglish

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