To Next PageTo Next Page
Need help?Do you have a question about the Haier HC18D1VAR and is the answer not in the manual?
General| Type | Split System |
|---|---|
| Cooling Capacity | 18000 BTU/h |
| Refrigerant | R410A |
| Power Supply | 220-240V, 50Hz |
| Operating Temperature (Cooling) | 18-43 °C |
| Weight (Indoor Unit) | 12.5 kg |
| Indoor Unit Noise Level | 42 dB(A) (High), 36 dB(A) (Medium), 30 dB(A) (Low) |
Provides a general description of the split central air conditioning system.
Explains the nomenclature used for indoor and outdoor unit model numbers.
Highlights key engineering aspects like copper tube/aluminum fin coils for optimization.
Describes the function and types of compressors used in the system.
Explains the role of the fan and blower motors for air circulation.
Details the refrigerant metering devices like flow-check pistons.
Emphasizes the importance of matching unit sizes with piston sizes for performance.
Discusses thermostats as primary controls for cooling and fan operation.
Covers safety features like fuses, circuit breakers, and internal overloads.
Details internal overloads protecting against over-current and over-temperature.
Explains the function of relays in switching electrical loads.
Describes the contactor that controls compressor and outdoor fan.
Mentions optional time-delay features for compressor protection.
Guide for inspecting the outdoor unit for shipping damage before installation.
Advises on protecting the unit from corrosive environmental factors.
Covers general site selection, mounting, and clearances for outdoor units.
Specifies minimum clearances for airflow and service access.
Provides guidelines for proper refrigerant piping sizing and installation.
Explains the need and method for insulating refrigerant lines to prevent heat gain/loss.
Instructions for checking, cleaning, or replacing air filters.
Details how to clean the outdoor coil for optimal performance.
Covers regulations and procedures for safe refrigerant recovery.
Lists essential test equipment for servicing AC units.
A checklist to ensure proper installation before troubleshooting.
Steps for electrically testing run and start capacitors.
Guidance on the use of compressor start kits.
Procedures for testing fan motors using an ohmmeter.
Instructions on correctly positioning the condenser fan blade.
Explains relay operation and electrical testing.
General electrical checks for components like relays.
Importance of airflow and methods to measure it.
Steps to diagnose compressor or system faults.
Detailed electrical checks for compressor windings.
Discusses mechanical failures and testing of compressors.
Procedure to test compressor valves by trapping refrigerant.
Checks refrigerant quality for contaminants like air or moisture.
Steps for removing a failed compressor and performing an acid test.
A guide to diagnose and resolve common system symptoms and issues.
