Do you have a question about the Thermia ATEC and is the answer not in the manual?
Only authorized installers may perform installation, operation, maintenance, and repair.
Only authorized installers may modify heat pump unit, water/electrical installations, and safety valve.
Never block the safety valve's overflow pipe. Water released can be hot.
Description of the heat pump's outdoor unit components and their functions.
Details on Atec Standard, Atec Plus, and Atec Total control units and their components.
The heat pump produces heat for the house and hot water, prioritizing hot water.
Details on how the heat pump produces hot water, including prioritization and tank heating.
Automatic function to defrost the air heat exchanger using house heating system energy.
How the heat pump produces cooling, controlled by the control unit and temperature.
Fan speed adjustment based on refrigerant circuit temperatures for optimal performance.
Regulates refrigerant pressure and temperature for optimal energy flow into the circuit.
Description of the immersion heater system and its power stages for auxiliary heating.
Ensures optimum heating system conditions by adjusting circulation pump speed.
Explanation of the '+' , '-' , '>' , and '<' buttons for menu navigation and value adjustment.
Description of the indicator's three modes: not lit, continuously green, and flashing green.
Explains symbols and messages shown on the heat pump's display for operation status and alarms.
Details the meaning of various messages displayed on the control panel.
How to navigate and select sub-menus like INFORMATION, OPERAT., HEATING, etc.
Describes how to select operating modes like OFF, AUTO, COMPRESSOR, AUX. HEATER, HOT WATER, MANUAL TEST.
Adjusting the heat curve via HEATING sub-menu or ROOM value for desired indoor temperature.
Details parameters like CURVE, MIN, MAX, CURVE 5, CURVE 0, CURVE -5, HEAT STOP.
Temporary adjustments to indoor temperature by changing the ROOM value.
Controlling heating and cooling for two distribution circuits individually.
Using the HOT WATER function and activating TOP-UP for immediate hot water heating.
Controlling cooling with START, STOP, and COOLINGMODE ACTIVE settings.
Displaying various temperatures like outdoor, supply line, return line, and system supply.
Shows total operating hours for the compressor and auxiliary heaters since installation.
Procedure to manually initiate a defrosting cycle from the control computer.
Controlling functions like blocking hot water, EVU stop, noise reduction, and temperature via calendar.
Displays information about up to 10 alarms, including type, time, and date.
Monitoring the alarm indicator and display messages for correct operation and errors.
Monthly check of line pressure using manometer, topping up if below 0.8 bar.
Checking safety valves at least four times a year to prevent clogging.
Procedure for handling leaks in hot water pipes: close shut-off valve and contact installer.
Instructions for cleaning the strainer twice a year, including safety precautions.