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Summary of Contents for Thermia iTec XT
- Page 1 User Guide iTec XT and iTec XTR 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...
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Page 3: Table Of Contents
........iTec XT: In the event of leakage of R32 refrigerant . - Page 4 User Guide iTec XT and iTec XTR Checklist ..........
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Page 5: Foreword
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. -
Page 6: Safety Precautions
User Guide iTec XT and iTec XTR Safety precautions Important information The front of the indoor and outdoor unit must Warning only be opened by qualified installers. This appliance can be used by children aged 8 Warning years and above, and by persons with reduced... -
Page 7: Installation And Maintenance
User Guide iTec XT and iTec XTR Installation and maintenance Only qualified installers may install, operate Caution and carry out maintenance and repair work on the indoor and outdoor unit. Only qualified electricians may do electrical Caution installation and maintenance on the indoor and outdoor unit. -
Page 8: Safety Zone For Outdoor Unit Itec Xtr
User Guide iTec XT and iTec XTR Safety zone for outdoor unit iTec XTR This appliance is charged with R290, a flammable refrigerant. It is important to be aware of the safety zone around the outdoor unit. Always keep this area free from open flames and ignition sources such as barbeque grill, lit cigarettes and so on. -
Page 9: Service
User Guide iTec XT and iTec XTR Service Only qualified personnel may do service on the 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. -
Page 10: About Your Heat Pump
Hot water production is prioritised before heating and cooling. iTec XT Compact, iTec XT Total and iTec XT Total EQ have integrated 180 litre tanks equipped with a TWS coil (Tap Water Stratificator) which gives more effective heat transfer and efficient layering of water. -
Page 11: Cooling
Auxiliary heat The auxiliary heater is included in iTec XT Plus, iTec XT Compact, iTec XT Total and iTec XT Total EQ. An auxiliary heater consists of an immersion heater, which is located on the supply line before the reversing valve. -
Page 12: Heating System Flow Control
The speed controlled circulation pump in iTec XT Plus, iTec XT Compact, iTec XT Total and iTec XT Total EQ always ensures that the temperature difference is retained. The control system detects if the balance is upset and increases or decreases the speed of the circulation pump as necessary. -
Page 13: Control System
The information in the display and menus will vary depending on the menu selection made and connected accessories. 1. Display 2. Navigation pad ROOM 20 OPERAT. AUTO ROOM 20 OPERAT. AUTO Display as seen on iTec XT Standard and iTec XT Plus cabinets Thermia AB AWIXT01UG0202... -
Page 14: Navigation Pad
User Guide iTec XT and iTec XTR Navigation pad button used to scroll up a menu and/or increase a value. button used to scroll down a menu and/or decrease a value. button used to select a value or open a menu. - Page 15 Shows the outdoor temperature inside the cloud during screen saver mode. TEMP DCM ACCESSO- Shows that DCM or Thermia Connect accessory is connected. RY INSTALLED ONLINE CON- Shows that DCM or Thermia Connect accessory is connected, and has internet NECTION connection. The following operating information may also appear: Message Meaning ROOM Shows the set ROOM value.
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Page 16: Main Menu
User Guide iTec XT and iTec XTR Main Menu The display's INFORMATION menu is used to set and adjust the heat pump functions and is opened by pressing the left or right buttons. The appearance of the menu will vary depending on the menu selection made and connected accessories. -
Page 17: Settings And Adjustments
User Guide iTec XT and iTec XTR Settings and adjustments The installer carries out the basic settings of the heat pump at installation. A number of settings and adjust- ments that you can carry out yourself are described below. Before changing the control computer’s set- tings, first find out what these changes mean. -
Page 18: Adjusting The Indoor Temperature
User Guide iTec XT and iTec XTR During winter, when it is risk for freezing, the Warning unit should only be set to OFF for very short periods of time. AUTO is the recommended setting during wintertime. If any operation mode other than AUTO or Warning AUX. -
Page 19: Power Limi- Tation
User Guide iTec XT and iTec XTR 1. Supply temperature (°C) 2. Maximum setpoint value 3. Outdoor temperature (°C) 4. 0°C 5. Set value (standard 40°C) -2 0 The following parameters can be adjusted in the HEATING menu: Parameter Description... - Page 20 User Guide iTec XT and iTec XTR High temperatures in an underfloor heating Warning 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.
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Page 21: Distribution Circuit 1 And 2
User Guide iTec XT and iTec XTR Distribution circuit 1 and 2 In addition to the main circuit for heating and cooling two distribution circuits can be controlled individually. The same parameters are used for these as in the main circuit (menu HEATING). -
Page 22: Reading Of Temperatures
User Guide iTec XT and iTec XTR Reading of temperatures No values can be changed in this menu. The set point value for OP.DATA the supply line is shown within the brackets. OUTDOOR ROOM SUPPLY LINE 39(42) TANK CONDENSER OUT 38.5... -
Page 23: Time Setting
User Guide iTec XT and iTec XTR Examples of a recurring calendar control (DAYS / WEEK) TIME SETTING START STOP MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY 5.8.1 Setting of temperature reduction during night and day To set the TEMP. REDUCTION, do as follows: 1. -
Page 24: Setting Of Hot Water, Evu Or Power Limitation, Silent Mode And Temperature Reduction
User Guide iTec XT and iTec XTR 5.8.3 Setting of hot water, EVU or POWER LIMITATION, silent mode and temperature reduction The time period can either be set to a continuous or a recurring time period. To set the date and time period for these functions, do as follows: 1. -
Page 25: Alarm History
User Guide iTec XT and iTec XTR For the calendar function to work, the STOP time must be set to no later than 23:59 and the START time to no earlier than 00:01. This means if you want the calendar to work over night, for any calendar function, you will have to set TWO start and stop times. -
Page 26: Regular Checks
User Guide iTec XT and iTec XTR Regular checks Checking operation During normal operation, the alarm indicator lights green continuously to show that everything is OK. When an alarm is triggered, the display will flash and the indicator will flash green at the same time as a text message is shown in the display. -
Page 27: Check The Supply Line Water Pressure In The Heating Circuit
User Guide iTec XT and iTec XTR NOTE! Don't leave the heat pump in OFF-mode due to risk of freezing damages in low outdoor temperatures. Check the supply line water pressure in the heating circuit The supply line water pressure of the installation must be checked once a month. The pressure gauge must show a value between 0.8-1.5 bar, depending on the system's requirements. -
Page 28: Itec Xt: In The Event Of Leakage Of R32 Refrigerant
User Guide iTec XT and iTec XTR iTec XT: In the event of leakage of R32 refrigerant The outdoor unit contains a refrigerant that is flammable and should only be handled by iTec XT trained and certified personnel. In the event of a suspected leakage please contact your in- staller. -
Page 29: Maintenance And Cleaning Of The Outdoor Unit
User Guide iTec XT and iTec XTR 1. Turning handle 2. Dirt strainer 3. Bottom nut with rubber gasket The strainer can look different depending on model. Clean the strainer as follows: 1. Switch off the heat pump. 2. Turn the handle to the closed position (see picture above). -
Page 30: Default Setting In The Control Computer
User Guide iTec XT and iTec XTR Default setting in the control computer The first column in the table below shows the parameters that can be adjusted by the User. The second column shows settings made at the factory, and the third column the settings made by the installation contractor in connection with installation of the heat pump. -
Page 31: Installation Protocol
User Guide iTec XT and iTec XTR Installation protocol General Outdoor unit model Serial number Indoor unit model Serial number Pipe installation Company Contact person Telephone number Electrical installation Company Contact person Telephone number Commissioning Company Contact person Telephone number... - Page 32 User Guide iTec XT and iTec XTR Checklist Location Surface adjustment Drainage Pipe installation, hot and cold side Pipe connections in accordance with the diagram Flexible hoses Expansion and bleed vessel Filter, hot and cold side Pipe insulation Open radiator valves...
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Page 33: Service Schedule
User Guide iTec XT and iTec XTR Service schedule To achieve best performance and service life we recommend that the heat pump is serviced at a 12 month interval. Service company* Service technician's signature* Date (year-month-day)* Customer's signature* Comments* Service company*... - Page 34 User Guide iTec XT and iTec XTR AWIXT01UG0202 Thermia AB...
- Page 35 User Guide iTec XT and iTec XTR Thermia AB AWIXT01UG0202...
- Page 36 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.
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