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DC INVERTER Heat Pump
Installation Manual
Air to Water Heat
Pump
Heating+Cooling+DHW
Attention
Thank you for choosing our product, we shall be more than glad to service you. For you to better operate this
product and to prevent accidents due to misoperation, please read carefully this user manual before carrying
out any installation or operation, also please pay special attention to the warning, prohibition and attention
instructions. We are continuously supplementing and upgrading this user manual to better service for you!
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Summarization of Contents
Attentions
Warning
General warnings for appliance use.
Caution
General cautions for appliance use.
Prohibition
General prohibitions for appliance use.
Safety Precaution
Installation Instructions
Guidelines for installing the heat pump unit.
R32 Refrigerant Introduction
Information about the environmentally friendly R32 refrigerant.
R32 Heat Pump Room Area Requirements
Specifies minimum area for installation and operation.
R32 Refrigerant Safety Warnings
Specific warnings related to R32 refrigerant handling.
Repair of Sealing Elements
Procedures and precautions for sealing component repair.
Maintenance of Intrinsically Safe Components
Guidelines for maintaining safe components in hazardous areas.
Cable Inspection
Checks for wear, corrosion, and damage on cables.
Leak Inspection of R32 Refrigerant
Methods for detecting R32 refrigerant leaks.
Leak Detection Method
Detailed steps for detecting refrigerant leaks.
Remove and Vacuum Procedure
Steps for removing and vacuuming the refrigerant system.
Procedure of Refrigerant Filling
Requirements for safely filling refrigerant.
Scrapping Procedure
Guidelines for safe disposal and recycling.
Maintenance Safety Matters
General safety considerations for maintenance.
Qualification Requirements for Maintenance Personnel
Qualifications needed for personnel handling refrigerants.
Site Inspection and Preparation
Safety checks before servicing the refrigeration system.
Operational Procedures and Area Safety
Safe practices during operations and work area control.
Fire Safety and Extinguishers
Fire prevention measures and fire extinguisher placement.
Ventilated Area Requirements
Ensures adequate ventilation during operations.
Inspection of Refrigeration Equipment
Checks for electrical components and system readiness.
Important Parts in Heat Pump
Heat Pump Installation and Wiring
Overview of installing and wiring the heat pump.
Installation Diagram
Primary Circulation System
Diagram showing the primary water circulation setup.
Installation Diagram
Secondary Circulation System
Diagram showing the secondary water circulation setup.
Wiring Diagram
220V Wiring Diagram
Electrical schematic for the 220V power supply.
Wiring Diagram
380V Wiring Diagram
Electrical schematic for the 380V power supply.
Terminals
Main Power Terminals
Connection points for the main power supply.
Control Terminals
Connection points for control signals and accessories.
Other Problems and Repairing
Compressor Run, No Heat Troubleshooting
Diagnosing and fixing the 'compressor runs but no heat' issue.
Air-Water Heat Pump Warning
Critical operational warnings for air-water heat pumps.
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