Thermia Atec Installation Manual
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Thermia Atec Installation Manual

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  • Page 1 Installation Guide Atec www.thermia.com...
  • Page 2 Thermia Värmepumpar is not liable or bound by warranty if these instructions are not adhered to during installation or service. The English language is used for the original instructions. Other languages are a translation of the original instructions. (Directive 2006/42/EC)

  • Page 3: Table Of Contents

    Positioning the Atec heat pump ........
  • Page 4 Installation Guide Atec OPTIMUM ..............

  • Page 5: About Documents And Decals

    Installation Guide Atec About documents and decals Introduction The following documents are available for this product: ▪ The Wiring diagrams that contain the wiring diagram for the heat pump intended for fault tracing and service. The Wiring diagrams are available for download as below.
  • Page 6 Installation Guide Atec 1.3.1 General Warning, danger! Warning, hot surfaces! Read the documentation provided. Warning, moving parts! Warning, risk of crushing injury! Read the documentation provided. Warning, hazardous electrical voltage! 1.3.2 Electrical components Outdoor unit Room sensor Outdoor sensor Hot water sensor...

  • Page 7: Transport, Unpacking And Setting-Up

    Document set Package (1 x shut-off valve with filter, 1 x outdoor sensor) Positioning the Atec heat pump The location of the outdoor unit is chosen so that neither the own living environment or adjoining properties are exposed to noise inter- ference.
  • Page 8 Installation Guide Atec Avoid locating the outdoor unit: ▪ close to windows or walls to bedrooms etc. ▪ facing nearby neighbours. ▪ in an inner corner of the building. It gives a very large effect on the direction of sound propagation.
  • Page 9 Installation Guide Atec A driptray is installed with the purpose of gathering and draining away melt water during defrosting. Connect Caution a hose or pipe along with a heat trace cable between the outlet of the drip tray and a drain or a free draining piece of ground.
  • Page 10 Installation Guide Atec 2.3.2 Lifting instructions To lift the heat pump into position, unscrew the side plates by slackening off the screws (1). Then use the side members behind the side panels to lift and position the heat pump. VMBQY102...

  • Page 11: Heat Pump Data, Dimensions And Connections

    Height to supply line pipe, 28 mm Cu 155.5 mm Height to return line pipe, 28 mm Cu 96.5 mm Length max protruding pipe 30 mm Control unit Atec Standard 1. Lead-in for supply, sensor and communication cables Thermia Värmepumpar VMBQY102...
  • Page 12 Installation Guide Atec Control unit Atec Plus 1. Supply line for heating system, 28 mm Cu 2. Supply line to water heater, 28 mm Cu 3. Supply line from heat pump, 28 mm Cu 4. Lead-in for supply, sensor and communication cables Control unitAtec Total 1.

  • Page 13: Piping Installation

    Installation Guide Atec Piping installation Piping installation must be carried out in accordance with applicable local rules and regulations. The hot wa- Caution ter tank must be equipped with an approved safety valve. To prevent leaks, ensure that there are no stresses in the connecting pipes!

  • Page 14: Minimum Flow In The Heating System

    11 kW 13 kW 16 kW 18 kW Min water volume in heating system. Atec Standard and Atec Plus Min water volume in heating system. Atec Total Minimum flow in the heating system Make sure that the dimensioning of the piping in the heating system is sufficient to get the minimum flow presented below:...
  • Page 15 The buffer tank volume must be 20 l/kW heat pump output (for systems without water heaters). Atec Standard does not contain a water heater. Water heater is available as an accessory for Atec Plus and is included in Atec Total.
  • Page 16 107 108 System solution Atec Plus Atec Plus includes the control module with supply and return pipe sensors, circulation pump, 3-way valve and electric auxiliary heater. The heat pump produces heat, cooling and hot water. Production of heating and hot water cannot occur at the same time because the exchange valve for heating and hot water is positioned after the heat pump and the auxiliary heater.
  • Page 17 107 108 System solution Atec Total Atec Total includes the control module with supply and return pipe sensors, circulation pump, 3-way valve, electric auxiliary heater and water heater. The heat pump produces heat, cooling and hot water. Production of heating and hot water cannot occur at the same time because the exchange valve for heating and hot water is positioned after the heat pump and the auxiliary heater.
  • Page 18 For postition explanations, see the chapter Symbol Key. 107 108 System solution Atec Total with cooling and swimming pool With two distribution circuits and external heater with a shunt. There are two accessories, a cooling system and a swimming pool.
  • Page 19 Installation Guide Atec 63 64 33 107 108 Symbol key The following symbol key applies to all system solutions: Description Description Heat pump unit Shut-off valve Supply line Non-return valve Return line Air bleeding valve Cold water Safety valve (9 bar, WW)
  • Page 20 Follow the supplier's instructions for mixing, but if none is given 35% is the lowest concentration recommended. To order and for more information about the intermediate exchanger and the circulation pump, contact Thermia. No glycol mixtures may be used in systems with hot zinc dipped pipes or components.
  • Page 21 Installation Guide Atec Position Name Position Name Heat pump unit Adjustment valve Circulation pump Flexible hose Intermediate exchanger Safety valve (1.5 bar) Flow sensor Expansion vessel, closed Thermia Värmepumpar VMBQY102...

  • Page 22: Noise Information

    Installation Guide Atec Noise information 4.5.1 Installation of the heat pump To prevent disturbing noise from the heat pump the following recommendations should be observed: ▪ In the event the heat pump is positioned on a vibration sensitive base, vibration dampers should be used. The vibration dampers must be correctly dimensioned with regard to the heat pump's weight so that static spring depression of at least 2 mm is obtained in all mounting components.

  • Page 23: Electrical Installation

    Installation Guide Atec Electrical Installation Electrical voltage! The terminal blocks are live and can be highly dangerous due to the risk of electric shock. Danger All power supplies must be isolated before electrical installation is started. The heat pump is connected inter- nally at the factory, for this reason electrical installation consists mainly of the connection of the power sup- ply.

  • Page 24: Control Centre

    The control centre contains the necessary components for voltage supply, control systems and operation. The control centre must be installed in a frost-free environment. Caution 5.2.2 Atec Standard electrical components in the control centre Position Description Terminal block Hub card...

  • Page 25: Electrical Cabinet In Heat Pump

    Installation Guide Atec 5.2.4 Atec Total electrical components in the control centre Position Description Terminal block Terminal block for internal electrical auxiliary heater (IH) Hub card Space for expansion card (accessory) Space for communications card (accessory) Space for terminal block for expansion card...

  • Page 26: Connecting The Outdoor Sensor (5)

    Fig. 7: Connect to the control unit (indoor) Connecting supply and return pipe sensors Atec Standard - no sensors connected upon delivery. Atec Plus - supply line sensor connected upon delivery. Atec Total - both sensors connected upon delivery. Fig. 8: Connect supply line sensor Fig.

  • Page 27: Connecting Sensors To External Water Heater

    Installation Guide Atec Connecting sensors to external water heater -B20 -B21 Fig. 11: Connect hot water sensor top Fig. 12: Connect hot water sensor start Connecting room sensor -B27 121.1 121.3 121.4 121.5 Fig. 13: Connect room sensor 5.10 Connecting system circulation pump 101.1...

  • Page 28: Connecting Heating Cable Drip Tray

    Installation Guide Atec 5.12 Connecting heating cable drip tray L1.1 Fig. 18: Connect the electrical drip tray cable 5.13 Connecting the communication cable UV-resistant twisted pair data /telephone cable for outdoor use. Screened cable with the screened connection at the end of the earth terminal.

  • Page 29: Connecting The Immersion Heater Cable

    Installation Guide Atec 5.15 Connecting the immersion heater cable Fig. 23: Connect immersion heater cable 5.16 Connecting the swimming pool sensor -B28 208.1 Fig. 24: Connect swimming pool sensor 5.17 Connecting the distribution circuit 2 sensor -B29 208.3 Fig. 25: Connect sensor distribution circuit 2 Thermia Värmepumpar...

  • Page 30: Menu Information

    Installation Guide Atec Menu information The heat pump has an integrated control system which automatically calculates the heat demand in the house to ensure that the cor- rect amount of heat is produced and emitted when necessary. The control system is operated using a keypad and information is shown in a display and by an indicator.

  • Page 31: Information Menu

    Installation Guide Atec INFORMATION menu Menu overview ▪ OPERAT. ▪ HEATING ▪ DISTRIBUTION CIRCUIT1 ▪ DISTRIBUTION CIRCUIT2 ▪ HOT WATER ▪ COOLING ▪ POOL ▪ BUFFER TANK ▪ OP. DATA ▪ OPERAT. TIME ▪ DEFROST ▪ CALENDAR ▪ CLOCK ▪ HOT WATER ▪...

  • Page 32: Heating

    Installation Guide Atec HEATING Parameter Meaning CURVE Calculated supply temperature at 0°C outdoor temperature. Shown as a graphic curve. The curve will be limited by the set values of MIN and MAX. Factory setting: 40°C (for under floor heating 30°C), range: 22°C – 56°C Minimum permitted supply temperature, if the temperature for heat stop has been reached and the heat pump has stopped.

  • Page 33: Hot Water

    Installation Guide Atec Parameter Meaning Controlling the shunt group against a constant temperature is an alternative to the control using a heat curve CONSTANT TEMP given above. Control using constant temperature is selected using the parameter CONSTANT TEMP in the Serv- ice menu.

  • Page 34: Buffer Tank

    Installation Guide Atec BUFFER TANK The menu only appears if the function is activated in menu SERVICE -> INSTALLATION - SYSTEM -> BUFFER TANK. Parameter Meaning TANK TEMP Indicates desired temperature for buffer tank. The temperature is controlled dependent on the selection made in the Service menu.

  • Page 35: Operat. Time

    Installation Guide Atec 7.10 OPERAT. TIME Parameter Meaning COMPRESSOR Operating time for compressor. Operating time for compressor SLAVE. COMPRESSOR SL Operating time for heating. HEATING Operating time for cooling. COOLING Operating time for hot water with compressor. HOT WATER OPERAT. TIME AUX. HEATER 1.

  • Page 36: Sub-Menu Language

    Installation Guide Atec 7.13 Sub-menu LANGUAGE Menu selection SVENSKA ENGLISH DEUTSCH NEDERLANDS FRANÇAIS ESPAÑOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI ČEŠTINA 7.14 ALARM Parameter Meaning NAME ALARM Displays information about up to 10 alarms and alarm times. NAME: Name of the alarm, example: AUX. HEATER...

  • Page 37: Service Menu

    Installation Guide Atec SERVICE menu Menu overview To be able to chose a specific function, the sensor for that function must be connected. ▪ HOT WATER ▪ HEATING ▪ COOLING ▪ AUX. HEATER ▪ MANUAL TEST ▪ INSTALLATION ▪ SYSTEM ▪...

  • Page 38: Heating

    Installation Guide Atec Parameter Meaning Shows the actual temperature at the top of the water heater provided that this sensor is engaged. TOPH SENSOR Shows the actual temperature approx 1/3 from the bottom of the hot water sensor. HOT WATER...

  • Page 39: Aux. Heater

    Installation Guide Atec AUX. HEATER Parameter Meaning MAX STEP Maximum number of permitted steps for auxiliary heating. = no auxiliary heating permitted (Means that only AUTO, HEAT PUMP or [SYMBOL] can be selected and that no anti-legionella operation is possible.) P = the potential free output controls an immersion heater connected before the hot water reversing valve and not an external auxiliary heater as normal.
  • Page 40 Installation Guide Atec Parameter Meaning 0 = stop circulation pump system CIRC. PUMP 1 = start circulation pump system SYSTEM 0-10V for test of speed controlled circulation pump. CIRC. PUMP Depending on type and number of connected circulation pumps, this parameter will contain different informa- tion.

  • Page 41: Installation

    Installation Guide Atec INSTALLATION Parameter Meaning HEAT SOURCE Selecting heat pump type for configuration of control. Outdoor air with direct evaporation and four-way valve. Activates the pool function. POOL Factory setting: , range: – ON Activates the shunt group function and indicates if the shunt group is to be controlled by the heat curve or by a DISTRIBUTION constant temperature.

  • Page 42: Defrost

    Installation Guide Atec Parameter Meaning Indicates the version number of the software in the control. VERSION DISPLAYHUBHP (heat pump card) EXP (expansion card) EXV (expansion valve card) Time interval between collection points of temperature history in minutes. LOG TIME The history graphs always show the 60 last collection points, which means that the graphs can display history from 1 hour up to 60 hours ago.

  • Page 43: Optimum

    Installation Guide Atec OPTIMUM Parameter Meaning TEMP DIFF CIRC. Desired temperature difference between supply and return line for the heating system. Factory setting: 8°C, range: 0°C – 15°C, START FLOW CIRC. Setting the speed a speed controlled circulation pump must start with.
  • Page 44 Installation Guide Atec Parameter Meaning Indicates if the system shunt group must be controlled by a heat curve or by a constant temperature. Condi- SYSTEM CIRCUIT tions are that CONFIGURATION = TANK CONTROL and the external auxiliary heater is not configured.

  • Page 45: Important Information/Safety Regulation

    Installation Guide Atec Important information/Safety regulation General safety precautions Risk of personal injury! Children are not permitted to play with the product. Warning Caution The heat pump must be installed by authorised installation engineers and the installation must follow the applicable local rules and regulations as well as these installation instructions.

  • Page 46: Refrigerant

    Installation Guide Atec Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro- Caution sion-resistant material, for example copper. The safety valve overflow pipes must have an open connection to the drain and visibly flow into this in a frost-free environment.

  • Page 47: Electrical Connection

    Draining and refilling must only be carried out using new refrigerant (for the amount and type of refrigerant see manufacturer’s plate) through the service valves. All warranties from Thermia are void if, when filling with refrigerant other than Thermia Värme AB specified Caution refrigerant, if there has not been written notification that the new refrigerant is an approved replacement re- frigerant together with other remedies.

  • Page 48: Commissioning

    Installation Guide Atec Commissioning The installation may only be commissioned if the heating system and brine system have been filled and bled. Caution Otherwise the circulation pumps can be damaged. If the installation is only to be driven by the immersion heater during the installation, ensure that the heating Caution system is filled and the brine pump and compressor cannot be started.
  • Page 49 Installation Guide Atec Thermia Värmepumpar VMBQY102...
  • Page 50 Installation Guide Atec VMBQY102 Thermia Värmepumpar...
  • Page 51 Installation Guide Atec Thermia Värmepumpar VMBQY102...
  • Page 52 All trademarks in this material are property of the respective companies. Thermia Värmepumpar and the Thermia Värmepumpar logotype are trademarks of Danfoss A/S. All rights reserved.

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