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General| Model | EWYT021CZI-A1 |
|---|---|
| Category | Heat Pump |
| Energy Efficiency Ratio (EER) | 3.0 |
| Refrigerant | R32 |
| Noise Level (Outdoor) | 50 dB |
Essential safety measures and protective equipment required during installation and operation.
Overview of the heat pump system, its split configuration, and operating modes (cooling/heating).
Guidelines for selecting a safe and suitable location for the indoor unit, including space and environmental factors.
Specific requirements for indoor room area based on toxicity and flammability regulations.
Instructions for inspecting the unit upon delivery for damage and verifying its components.
Guidelines for storing the unit before installation, including environmental conditions.
Safety protocols and personal protective equipment required for mechanical installation tasks.
Procedures for safely handling and lifting both outdoor and indoor units using appropriate equipment.
Guidance on selecting a foundation and positioning the outdoor unit for optimal airflow and stability.
Specifies minimum clearances around the outdoor unit for ventilation and maintenance access.
Precautions for maintaining cleanliness, dryness, and tightness of the refrigerant piping system.
Details on connecting the water circuit, including piping, filters, flow switches, and water treatment.
Ensuring system stability by maintaining adequate water content and managing compressor startups.
Procedure for calibrating the expansion vessel based on system water volume and installation height.
Guidelines for power supply, wiring lengths, and cable types, referencing the unit's wiring diagram.
Specifications for cable sizing, grounding, and insulation according to safety standards.
Diagram illustrating the complete electrical connections for the indoor and outdoor units.
Procedure for brazing pipe ends, including precautions for nitrogen purging and material selection.
Steps for performing leak tests, vacuum drying, and insulating the refrigerant piping.
Instructions and precautions for charging the system with the correct amount of R32 refrigerant.
Essential duties of the operator, including training, record-keeping, and reporting abnormal conditions.
Detailed checklist for regular maintenance tasks on electrical, refrigeration, and hydraulic circuits.
Procedures for cleaning air heat exchanger surfaces to ensure efficient operation and longevity.
Piping and Instrumentation Diagrams (P&ID) for the refrigerant circuits of the unit.
Identification and location of various labels on the outdoor and indoor units for safety and information.
A general checklist for authorized personnel to ensure proper unit commissioning and handover.
Details on the refrigerant used (R32), its properties, and environmental considerations.
Guidelines for the safe and environmentally compliant disposal of the unit's components.
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