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User Guide

iTec Eco

Thermia AB

Box 950

SE 671 29 ARVIKA

Phone +46 570 81300

E-mail: [email protected]

Internet: www.thermia.com

Thermia can accept no responsibility for possible errors in catalogues, brochures and other printed material. Thermia reserves the right to alter its products without notice. This also applies to products

already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective

companies. Thermia AB and the Thermia AB logotype are trademarks of Thermia AB. All rights reserved.

AWIE01UG102

Produced by Thermia AB © 2020

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Summary of Contents for iTec Eco

Page 1: ...User Guide iTec Eco www thermia com ...

Page 2: ...The English language is used for the original instructions Other languages are a translation of the original instructions Directive 2006 42 EC Copyright Thermia AB ...

Page 3: ... Hot water mode 15 5 5 Cooling 16 5 6 Reading of temperatures 16 5 7 Reading the operating time 16 5 8 Calendar 17 5 8 1 Setting of temperature reduction during night and day 18 5 8 2 Setting of calendar function date and time 18 5 8 3 Setting of hot water EVU silent mode and temperature reduction 18 5 9 Alarm history 20 6 Regular checks 21 6 1 Checking operation 21 6 2 Check the supply line water...

Page 4: ...r envi ronment It is a safe and convenient solution that provides heating hot water and in certain cases cooling for your home at a low cost We thank you for the confidence that you have shown in us by buying a heat pump from Thermia We hope that you will benefit from it for many many years to come With best wishes Thermia Heat Pumps User Guide iTec Eco AWIE01UG102 Thermia AB 4 ...

Page 5: ...ack of experience or knowledge provided that they are supervised or have been instructed in the safe use of the appliance and understand the hazards involved Cleaning and user maintenance must not be carried out by children except under adult su pervision Warning Children are not permitted to play with the product The system can be considered maintenance free but certain checks are necessary Conta...

Page 6: ...he following components The outdoor and indoor units The refrigerant circuit The power supply The safety valves It is not permitted to carry out construction modifications that may affect the operational safety of the heat pump 2 4 Safety valves Never block the connection to a safety valve s overflow pipe The following safety precautions apply to the hot water circuit s safety valve with correspon...

Page 7: ...ld up of bacteria an anti legionella function The factory set time interval is seven days can be adjusted The hot water requirement is prioritised before the heating requirement The heating requirement is calculated from outdoor temperature and set heat curve An auxiliary heater starts automatically on demand if installed 3 1 3 Defrost During operation the outdoor units air heat exchanger is coole...

Page 8: ...n the heat demand is greater than the heat pump s capacity Immersion heaters in iTec Plus iTec Compact iTec Total and iTec Total EQ intended for 400V supply have three heating elements IMM HEAT 1 2 and 3 and can be controlled in five power stages Products for 230V have two heating elements IMM HEAT 1 and 2 and are controlled in three power stages The two stages 4 and 5 cannot be engaged when the c...

Page 9: ...is shown in a display and by an indicator N The information in the display and menus will vary depending on the menu selection made and connected accessories 2 1 3 ROOM NO HEAT DEMAND 20 C OPERAT AUTO 1 Keypad 2 Indicator 3 Display 4 1 Keypad Plus sign used to scroll up a menu and increase the values Minus sign used to scroll down a menu and reduce the values Right arrow used to select a value or ...

Page 10: ...ENSOR Indicates that there is flow through the outdoor unit CLOCK Indicates that tariff control is active TANK Indicates the level of hot water in the water heater When hot water is produced for the water heater this is indicated by a flashing icon for the tank TANK and LIGHTNING A lightning symbol by the tank symbol indicates peak heating charging in domes tic hot water tank anti legionella funct...

Page 11: ...ctive with both compressor and auxiliary heater START_MIN Indicates that there is a demand for heating or hot water production but that a start delay is active AUX HEATER Indicates that there is an auxiliary heater demand ACT COOLING Displayed if cooling is active DEFROST Displayed when defrosting is active 4 4 Main Menu The display s INFORMATION menu is used to set and adjust the heat pump functi...

Page 12: ...pump automatically controls the compressor operation and auxiliary heater if in stalled and activated in the system COMPRESSOR The control system is controlled so that only the outdoor unit compressor is allowed to operate In this operating mode there won t be any auxiliary heating backup if there s a need for it and also peak heating charging anti legionella function of the hot water will not run...

Page 13: ... against is lowered or raised respectively When you increase the CURVE value the heat curve will become steeper and when you decrease the CURVE value the heat curve will become flatter This is the most energy and cost efficient way to set the indoor temperature and should therefore be used for long term temperature settings 4 20 0 20 24 40 56 2 3 1 5 1 Supply temperature C 2 Maximum setpoint value...

Page 14: ...eating system can damage floor coverage such as parquet and laminate floors The supply line temperature must not exceed the values rec ommended by the floor manufacturer Adjust the heat curve in the HEATING sub menu as follows HEATING CURVE MIN MAX CURVE 5 CURVE 5 CURVE 0 HEAT STOP 40 C 10 C 55 C 0 C 0 C 0 C 17 C 1 Open the HEATING sub menu in the INFORMATION menu 2 Mark desired parameter using or...

Page 15: ...PER ECO switched on the heat pump will produce hot water in the most economic way possible If you should want a prioritization on the amount of hot water and a faster hot water production you should change mode to either ECO or COMFORT By activating TOP UP the heat pump can immediately start to heat the water heater using the compressor and electrical auxiliary heater until the tank is fully heate...

Page 16: ...ged in this menu The set point value for the supply line is shown within the brackets The different temperatures that the installation has are shown here All temperatures are stored back in time so that they can also be displayed in the form of graphs If ROOM shows 20 C the heat curve is unaffected If ROOM shows higher or lower this indicates that the heat curve has been adjusted up or down 5 7 Re...

Page 17: ... 1 Select which function is to be controlled 2 Select a CALENDAR SETTING up to 8 can be selected for each function 3 Select the menu TIME FUNCTION if the function should be over a continuous time period DATE or be recurring DAYS WEEK 4 Select start and stop times and date and weekdays in the TIME SETTING menu TIME SETTING START 12 00 14 30 WEDNESDAY THURSDAY FRIDAY STOP MONDAY TUESDAY Examples of ...

Page 18: ... to enter the INFORMATION menu 2 Press button to navigate down to CALENDAR and press right arrow to enter 3 Press the right arrow once to navigate to the time setting CLOCK 4 Set today s time with the and buttons and confirm with the right arrow 5 Press button once to navigate down to the date setting DATE and YEAR 6 Press the right arrow to enter the DATE setting 7 Set today s date and year with ...

Page 19: ...n once and press right arrow to enter the TIME SETTING menu 11 Set the start and stop date and time with the and buttons You can also set the weekday MONDAY to SUNDAY if you have selected DAYS WEEK see the example below 12 Press left arrow to leave the menu and return back to INFORMATION menu Example for setting SILENT MODE every day between 22 00 and 07 00 The FIRST start and stop time for the de...

Page 20: ...5 9 Alarm history NAME ALARM displays information about up to 10 alarms with type of alarm time and date User Guide iTec Eco AWIE01UG102 Thermia AB 20 ...

Page 21: ...he display with the text ALARM and an alarm message alarm code Examples of potential alarm messages Message Meaning OUTDOOR SENSOR Something have likely happened to the cable connection to the outdoor sensor the cable itself or the sensor Check for physical damages Contact your installer if the alarm persists SUPPLY LINE SENSOR Contact the installer for further assistance Other alarm message Try t...

Page 22: ...ety valves The safety valves in the installation must be checked at least four times a year to prevent lime deposits clog ging the mechanism The safety valve of the water tank protects the enclosed heater against too high pressure in the water tank It is mounted on the cold water inlet line its outlet opening facing downwards If the safety valve is not checked regularly the water tank might be dam...

Page 23: ...the heating circuit N The heat pump must be switched off at the main switch before the cleaning can be star ted N The strainer must be cleaned twice a year after installation The interval can be extended if there is evidence that cleaning twice a year is not necessary N Have a cloth at hand when opening the strain er cover as a small amount of hot water usual ly escapes A D C B A Stopcock B Cover ...

Page 24: ...gure above 3 Unscrew the cover and remove it 4 Remove the strainer 5 Rinse the strainer 6 Reinstall the strainer 7 Check that the o ring on the cover is not damaged 8 Screw the cover back into place 9 Turn the stopcock to the open position 10 Start the heat pump User Guide iTec Eco AWIE01UG102 Thermia AB 24 ...

Page 25: ...ade at the factory and the third column the settings made by the installation contractor in connection with installation of the heat pump Setting Factory setting Any customer specific settings ROOM 20 C OPERAT OFF CURVE 40 C MIN 10 C MAX 55 C 45 C for under floor heating CURVE 5 0 C CURVE 0 0 C CURVE 5 0 C HEAT STOP 17 C User Guide iTec Eco Thermia AB AWIE01UG102 25 ...

Page 26: ...or unit model Serial number Pipe installation Company Contact person Telephone number Electrical installation Company Contact person Telephone number Commissioning Company Contact person Telephone number Date final inspection User Guide iTec Eco AWIE01UG102 Thermia AB 26 ...

Page 27: ...reaker Fuse Positioning of the outdoor sensor Commissioning Bleeding hot and cold side Settings control system Manual test components Manual test different operating conditions Noise check Function test safety valves Function test mixer valve Trimming the heating system Customer information Contents of this manual Safety precautions Controller function Settings and adjustments Regular checks Refer...

Page 28: ...ervice company Service technician s signature Date year month day Customer s signature Comments Service company Service technician s signature Date year month day Customer s signature Comments Service company Service technician s signature Date year month day Customer s signature Comments Service company Service technician s signature Date year month day Customer s signature Comments User Guide iT...

Page 29: ...User Guide iTec Eco Thermia AB AWIE01UG102 29 ...

Page 30: ...User Guide iTec Eco AWIE01UG102 Thermia AB 30 ...

Page 31: ...User Guide iTec Eco Thermia AB AWIE01UG102 31 ...

Page 32: ...Thermia reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Thermia AB and the Thermia AB logotype are trademarks of Thermia AB All rights reserved AWIE01...

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