Do you have a question about the CHOFU AEYC-1639U-CH and is the answer not in the manual?
General guidance, safety advice, and manufacturer's warranty disclaimers.
Guidelines for proper disposal of the product at its end of life as per EU directive.
Critical safety warnings and precautions to be followed during installation.
Guidance on selecting an appropriate location and securely mounting the unit.
Overview of the primary internal and external components of the heat pump.
Detailed instructions for connecting the various water pipes and components.
Comprehensive instructions for safe and compliant electrical wiring and connections.
Instructions for installing the remote control unit and connecting it to the main unit.
Explanation of the function of each button on the remote control unit.
Description of icons and indicators shown on the remote controller's display.
How to turn the heat pump system on and off using the remote controller.
Procedure for setting the current date and time on the remote controller.
How to choose between Heating, Cooling, or OFF modes via the remote controller.
Instructions for controlling and setting the DHW production modes and timing.
How to program schedules for heating and cooling operations based on time bands.
How to set schedules for DHW, low tariff, and night modes.
Guide to accessing and modifying system parameters via the remote controller.
Diagram showing the terminal layout on the main control board.
Details on the input and output terminals of the PCB and their functions.
Table listing parameters for configuring input/output signals and functions.
How to select and manage the unit's operating modes (Heating/Cooling).
Methods for setting and adjusting water temperature targets for heating and cooling.
Explanation of how outdoor temperature affects water set points via climatic curves.
Configuration options for the main water pump's operation.
Functions and settings for protecting the unit and system from freezing.
Configuration of external contacts for controlling unit functions.
How to activate and configure the night mode for reduced noise and power consumption.
Functionality for optimizing operation during periods of lower electricity rates.
Control of a dehumidifier based on humidity sensor readings.
System controller's strategy for managing heating based on zone demands.
Control and function of the 3-way valve for DHW and heating circuits.
How to activate and manage DHW production modes (Comfort, Economy, Force).
Operation mode where only the heat pump produces DHW.
Operation mode where DHW is heated solely by the electric heater.
Operation mode utilizing both the heat pump and DHW heater for heating.
Function to periodically heat DHW to prevent legionella bacteria growth.
Configuration and types of backup heater functions.
Integration and control of an external heat source for heating.
Explanation of different user access levels for parameter settings.
A comprehensive list of all system parameters with their codes and descriptions.
Parameters that can only be read and not modified by the user.
Parameters specifically related to the remote controller's settings and functions.
Configuration of time schedules for heating/cooling in Zone 1.
Configuration of time schedules for domestic hot water production.
Parameters specific to the operation of the heat pump unit itself.
Parameters related to the frost protection functions of the system.
Parameters for configuring the unit's input and output signals.
Checklist for verifying all installation steps and conditions before system operation.
Procedures for testing the system's functionality after installation.
How error codes are displayed on the remote controller and PCB.
Procedure for viewing past error codes stored on the PCB.
Different methods for resetting error codes (Auto, Power OFF, Manual).
A comprehensive table of error codes, their causes, troubleshooting, and reset methods.
Diagnostic procedures and troubleshooting steps for common issues.
Detailed wiring diagrams for the main unit components and connections.
How to access and view real-time operating data on the remote controller and PCB.
General maintenance recommendations and precautions for the unit.