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Important warnings, cautions, and prohibitions for safe operation and installation.
Guidelines for selecting the installation location and essential precautions for heat pump placement.
Illustrative diagram for heat pump installation, serving as a reference for actual projects.
Procedures and checks required before starting the heat pump for the first time.
Explains the EVI-HC model's control panel display for heating and cooling modes.
Details the EVI-HH model's control panel for only hot water and heating + hot water modes.
Illustrates the control panel displays for EVI-HW and HT series in hot water mode.
Description of the functions for each button on the heat pump's operating panel.
Instructions for setting the water tank temperature using two different methods.
Guide to querying operational parameters and historical error codes.
Lists common error codes, their causes, and troubleshooting methods.
Procedures for setting the clock and ON/OFF timers for the heat pump.
Covers forced defrosting, error code removal, and changing working modes.
Details the control logic for the compressor, water pump, and fan motor.
Explains the starting and stopping conditions for the auxiliary electric heater.
Details the operation of the three-way valve and return water valve in different modes.
Describes the function of the linkage switch and RS485 communication interface.
Routine checks and cleaning procedures to ensure optimal heat pump performance and lifespan.
Troubleshooting guide for common error codes, including possible reasons and repair methods.
Addresses other common problems like no operation or low heating capacity and their solutions.
Details the warranty period, coverage, and conditions for repair services.
General
