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Important safety notice for service personnel regarding electrical hazards.
Highlights critical safety components and precautions against shock, fire, or other hazards.
Warning regarding frostbite from refrigerant leakage during installation or repair.
Energy saving technology for efficient operation.
Enhances performance and reduces energy consumption.
Uses refrigerant with no ozone depletion.
Allows for extended piping up to 30m with 20m height difference.
Offers modes like Auto, Holiday, Dry, and Weekly Timer.
Features adjustable water pump speed via control panel.
Includes random auto restart and safety mechanisms.
Provides self-diagnosis and easy maintenance access.
Provides detailed diagrams and measurements for the indoor unit.
Provides detailed diagrams and measurements for the outdoor unit.
Details piping sizes, lengths, and additional refrigerant requirements.
Details power distribution and control board connections.
Illustrates wiring for outdoor unit components and control systems.
Guidelines for choosing the optimal installation site for the indoor unit.
Instructions for creating wall penetrations for piping.
Procedures for securely mounting the installation plate.
Warning and steps for accessing internal parts.
Steps for physically mounting the indoor unit onto the installation plate.
Instructions for connecting the water circuit to the indoor unit.
Guidelines for connecting and tightening refrigerant pipes.
Procedures for cutting and flaring refrigerant pipes.
Instructions for installing the drain elbow and hose.
Guidance on connecting the drain hose to the pressure relief valve.
Instructions for connecting electrical cables to the indoor unit.
Procedures for securing power and connecting cables.
Guidelines for proper wire stripping and connection.
Specifies electrical connection requirements and standards.
Guidance on where to install the remote controller for optimal performance.
Instructions for wiring the remote controller to the indoor unit.
Steps to detach the remote controller from the indoor unit.
Instructions for installing the remote controller (exposed and embedded types).
Steps to replace the cover after removing the remote controller.
Procedure for filling the system with water and purging air.
Step to set the pressure relief valve to the correct level.
Steps for filling the system with water and verifying operation.
Guidelines for connecting various optional external devices to the main PCB.
Details characteristics and cable requirements for tank sensors.
Instructions for connecting to an optional PCB for zone control.
Torque values for terminal screws on the PCB.
Table specifying maximum cable lengths for external devices.
Diagram showing connections to the optional CZ-NS4P PCB.
Details on signal inputs like thermostat, external control, and remote controller.
Details on recommended sensors like room, solar, and outdoor temperature sensors.
Table showing resistance values for various sensors at different temperatures.
Instructions for installing an optional pump.
Instructions for installing an optional mixing valve.
Steps for installing the network adaptor.
Guidelines for choosing the optimal installation site for the outdoor unit.
Information on piping length and additional refrigerant requirements.
Diagram illustrating the outdoor unit installation layout and dimensions.
Instructions for securely mounting the outdoor unit.
Guidance on managing outdoor unit drain water.
Instructions for connecting pipes to the outdoor unit.
Procedures for preparing and flaring pipes.
Steps to remove air and moisture from the system.
Procedures for testing the system for refrigerant leaks.
Methods for detecting refrigerant leaks using detectors.
Procedures for performing a vacuum test on the system.
Details on the required flexible cable for indoor/outdoor unit connection.
Instructions for routing and securing the connecting cable.
Guidelines for preparing and connecting wires.
Instructions for insulating pipe connection portions and drain hoses.
How to adjust pump speed via the remote control.
Graph showing pump performance characteristics.
Performance data for heating at various outdoor temperatures.
Performance data for cooling at various outdoor temperatures.
Performance data for cooling at various outdoor temperatures.
Performance data for cooling at various outdoor temperatures.
Performance data for heating at various piping lengths.
Performance data for cooling at various piping lengths.
Table detailing heating capacity and input power based on temperatures.
Table detailing cooling capacity and input power based on temperatures.
General