Thermia iTec Eco Installation Manual
  1. Manuals
  2. Brands
  3. Thermia Manuals
  4. Heat Pump
  5. iTec Eco
  6. Installation manual

Thermia iTec Eco Installation Manual

Hide thumbs Also See for iTec Eco:
Table of Contents

Advertisement

Quick Links

Installation Guide
iTec Eco
www.thermia.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the iTec Eco and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Thermia iTec Eco

Summary of Contents for Thermia iTec Eco

  • Page 1 Installation Guide iTec Eco www.thermia.com...
  • Page 2 Thermia AB 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

    Installation Guide iTec Eco Table of Contents About documents and decals ............

  • Page 4: About Documents And Decals

    Installation Guide iTec Eco About documents and decals Introduction The following documents are available for this product: ▪ The Installation Quick Guide is an illustrated step-by-step guide on how to install the heat pump. Supplied with the heat pump on delivery.

  • Page 5: Symbols On Decals

    Installation Guide iTec Eco Symbols on decals The following symbols can occur on decals on the different parts of the heat pump. Which symbols are used depends on the heat pump model. 1.3.1 General Warning, danger! Read the documentation provided.

  • Page 6: Important Information/Safety Regulation

    General safety precautions Carefully follow the precautions listed as below because they are essential to guarantee the safety of Thermia product. Store the manual in a safe place in order to be able to use it as reference after installation. Remember to hand it over to the new owner if the heat pump unit is sold or transferred.
  • Page 7 If there is any risk of groundwater infiltration at wall lead-ins for con- Caution nected pipes, watertight grommets must be used. When the Thermia Air-to-Water Heat Pump system is used in series with another heat source (e.g. gasboiler), ensure that the return water temperature not exceed 65°C.
  • Page 8 Installation Guide iTec Eco Install the power cable and communication cable of the indoor and Caution outdoor unit at least 1m away from the electric appliance. Protect the unit from rats or small animals. If an animal makes a con- Caution tact with the electric parts, it can cause malfunctions, smoke or fire.
  • Page 9 Caution to prevent condensation. Do not use means to accelerate the defrost operation or to clean, oth- er than those recommended by Thermia For the product that uses the R-32 refrigerant, be cautious not to gen- Caution erate a spark by keeping the following requirements: Do not remove the fuses with power on.

  • Page 10: Refrigerant

    Installation Guide iTec Eco Refrigerant 2.2.1 Refrigerant Work on the refrigerant circuit must only be carried out by a certified Warning engineer! Although the heat pump cooling system (refrigerant circuit) is filled with a chlorine-free and environmentally-approved refrigerant, work on the refrigerant circuit may only be carried out by authorized persons.
  • Page 11 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 Caution other than Thermia specified refrigerant, if there has not been written notification that the new refrigerant is an approved replacement re- frigerant together with other remedies.

  • Page 12: Heat Pump Data

    Installation Guide iTec Eco Heat pump data Heat pump data, dimensions and connections 3.1.1 Description outdoor unit iTec Eco Position Description outdoor unit 8 kW 12kW and 16kW Width 880 mm 940 mm 940 mm Depth 310 mm 330 mm...
  • Page 13 Installation Guide iTec Eco Indoor unit iTec Standard 1. Lead-in for supply, sensor and communication cables Indoor unit iTec 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.
  • Page 14 Installation Guide iTec Eco Indoor unit iTec Compact 1. Supply line heating system,28 mm Cu 2. Return line heating system,28 mm Cu 3. Connection for bleed valve,22 mm Cu 4. Hot water line,22 mm Cu 5. Cold water line,22 mm Cu 6.
  • Page 15 Installation Guide iTec Eco 3.1.3 Removing front cover Do not damage the electrical wiring for the display when the front Caution cover is removed! 1. Press against the front cover and turn the catch 90° degrees anti-clockwise to release the front cover.
  • Page 16 Installation Guide iTec Eco Description Description Shut-off valve Adjustment valve Non-return valve Air bleeding valve Safety valve (9 bar, WW) Dirt strainer with shut-off valve System proposal iTec Standard iTec Standard includes the control module with a outdoor sensor and a radiator out sensor. The heat pump produces only heat or cool- ing.
  • Page 17 Installation Guide iTec Eco System solution iTec Total and iTec Compact iTec Total The heat pump produces heat, cooling and hot water. The control module comes with a outdoor sensor, radiator out sensors, condenser pump, 3-way valve, electric auxiliary heater, and a 180 litre water tank .
  • Page 18 Installation Guide iTec Eco System proposal iTec Total two extra distribution circuits + cooling and swimming pool Accessories: Expansion card is needed for distribution circuit 2, cooling system and a swimming pool iTec Total The heat pump produces heat, cooling and hot water. The control module comes with a outdoor sensor, radiator out sensors, condenser pump, 3-way valve, electric auxiliary heater, and a 180 litre water tank .
  • Page 19 Safety valve and automatic air-bleeding valve for iTec Eco 12 & 16 When using iTec Eco 12 & 16 outdoor units there must be a safety valve and a automatic air-bleeding valve installed at 180 cm height above ground inside. The area where the safety valve and the automatic air-bleeding valve is located must be 4,6 m or larger and this area should´t be in direct vicinity to open flames such as gas boilers with open pilot flame.
  • Page 20 Installation Guide iTec Eco System proposal iTec Eco Standard 12-16kW 107 108 System proposal iTecEco Total and iTec Compact 12-16kW 107 108 AWIE01IG202 Thermia AB...

  • Page 21: Transporting, Unpacking And Setting-Up

    Installation Guide iTec Eco Transporting, unpacking and setting-up Transporting the heat pump During transportation and lifting of the entire heat pump (iTec Total, Caution iTec Compact, and iTec Total EQ), the front panel must always be in place as it locks the other panels in position.
  • Page 22 Installation Guide iTec Eco 4.2.2 Delivery check Inspect the product shipped and check if damaged during transport. If Caution the product has some damages, DO NOT INSTALL and immediately discuss about the damages with the carrier or retailer (if the installer or the authorized technician has collected the material from the retailer.)

  • Page 23: Moving The Outdoor Unit

    Installation Guide iTec Eco Moving the outdoor unit ▪ Do not slant the product more than 30˚when carrying it. Do not lay the product down sideways! ▪ Select the moving route in advance. ▪ Be sure that moving route is safe from weight of the outdoor unit.
  • Page 24 Installation Guide iTec Eco ▪ If the unit and the pipes are exposed to freezing temperature, It can cause damage to the hydraulic system. Special care must be taken to prevent freezing of the total water system. ▪ The unit is designed to be used in a closed-loop system. Do not use any other components which are designed only for a open-loop system.
  • Page 25 ▪ Safe parts are the ones with which the worker can work in a flammable atmosphere. Other parts may result in ignition due to leak- age. ▪ Replace components only with parts specified by Thermia. Other parts may result in the ignition of refrigerant in the atmosphere from a leak.
  • Page 26 Installation Guide iTec Eco 4.3.8 Drain work Make sure that the condensed water runs well out of the outdoor unit Caution at low ambient temperature. Drain pipe and heat exchanger can frost/ice can not grow. If drain work is not effective for releasing con- densed water, it can make the units get damaged by massive ice and system can be stop , covered by ice.
  • Page 27 Installation Guide iTec Eco 3. When installing the unit in a place frequently exposed to snow, pay special attention to elevate the foundation as high as likely needed. 4. If you install the unit on a building frame, please install a waterproof plate (field supply) (within 150mm of the underside of the unit) in order to avoid the drain water dripping.
  • Page 28 Installation Guide iTec Eco Cold climate zone 400 mm ▪ If the product is installed in a region of heavy snow, allow enough separation distance between the product and the ground. ▪ When installing the product, make sure that the rack is not placed under the drain hole.

  • Page 29: Positioning The Outdoor Unit

    Installation Guide iTec Eco Positioning the outdoor unit Decide the installation location regarding the following condition and obtain the user’s approval. The location of the outdoor unit is chosen so that neither the own living environment or adjoining properties are exposed to noise interference.
  • Page 30 Installation Guide iTec Eco Depending on the condition of power supply, unstable power or volt- Caution age may cause malfunction of the parts or control system. Do not install the heat pump in following places: ▪ The place where there is mineral oil or arsenic acid. There is a chance that parts may get damaged due to burned resin. The capacity of the heat exchanger may reduce or the Air to Water Heat pump may be out of order.

  • Page 31: Outdoor Unit Installation

    Installation Guide iTec Eco 4.4.1 Space requirements for outdoor unit Space requirements for positioning one outdoor unit The outdoor and indoor unit shall be installed in compliance with the spaces described in the installation manual, to ensure accessibility from both sides and allow repairs or maintenance operations to be carried out. If the units installed without complying with procedures described in manual, additional expenses can be asked because special harnesses, ladders, scaffolding or any other elevation system for repair service will NOT be considered part of the warranty and will be charged to the end customer.
  • Page 32 Installation Guide iTec Eco The anchor bolt must be 20 mm or higher from the base surface. When tightening the anchor bolt, tighten the rubber washer to pre- Caution vent the outdoor unit bolt connection part from corroding. Make a drain outlet around the base for outdoor unit drainage.
  • Page 33 Installation Guide iTec Eco 4.5.1 Outdoor unit foundation ▪ The heat pump must be positioned outdoors on a stable base that can take the total weight of the heat pump. ▪ Secure all four mounting points on a stable base, for example a cast foundation.
  • Page 34 Installation Guide iTec Eco 4.5.2 Outdoor unit support Outdoor unit installed on the wall by rack ▪ Ensure the wall will be able to suspend the weight of rack and outdoor unit. ▪ Install the rack close to the column as much as possible.

  • Page 35: Noise Information

    Installation Guide iTec Eco Noise information 4.6.1 Consideration to prevent noise 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 36: Installation Notes Regarding Refrigerant

    Installation Guide iTec Eco Installation notes regarding refrigerant Note that the refrigerant has no odour. Caution ▪ Do not cut, pierce, or burn the refrigerant container or pipes. ▪ Do not use means to accelerate the defrosting process for example with an open flame or other methods besides the heat pump´s defrosting program.

  • Page 37: Piping Installation

    Installation Guide iTec Eco Piping installation Piping installation must be carried out in accordance with applicable Caution local rules and regulations. The hot water tank must be equipped with an approved safety valve. Follow applicable local and national regula- tions.

  • Page 38: Water Volume And Flow In The Heating System

    Installation Guide iTec Eco The connecting pipe between the expansion tank and the safety valve Caution must slope continuously upward, meaning that the pipe must not slope downwards from the horizontal at any point. Ensure that the pipe installation is carried out in accordance with the dimensions and connection diagrams.
  • Page 39 The flow switch must be installed as described in the installation guide Caution of iTec Eco. All electric wiring works shall be implemented as instruc- ted. Before completing the installation works, make sure to check if the flow switch is installed horizontal and if flow direction is in parallel with pipe direction.

  • Page 40: Safety Valves

    Installation Guide iTec Eco Considering external static pressure and water pump performance, se- Caution lect water plumbing specification and under floor loofs. Make sure to calculate the total resistance of piping system and deter- Caution mine the size of pipes before selecting the required head of pumps. If the pressure loss of total water system is over than designed pressure, an external water pump shall be installed on piping system in series.

  • Page 41: Connection Heating And Hot Water

    Installation Guide iTec Eco Connection heating and hot water 5.3.1 Connect the heating system supply and return lines from indoor unit to outdoor unit For information on how flexible hoses should be installed, see Flexible hoses. 1. Connect the supply pipe with a flexible hose connection and with all the necessary components.

  • Page 42: Water Quality

    Installation Guide iTec Eco 5.4.1 Flushing and air-purging the heating system When filling water, the following start-up procedure should be followed. 1. All system components and pipes must be tested for the presence of leaks. 2. Preparation of a make-up water assembly or flushing unit is recommended for installation and service.
  • Page 43 Installation Guide iTec Eco As a heating system often contains small amounts of suspended solids (rust) and sludge products from calcium oxide, precaution should be taken to ensure that the water in the heating system is as clean as possible to ensure long lasting performance and minimize the risk of reliability issues.

  • Page 44: Electrical Installation

    Installation Guide iTec Eco Electrical Installation The heat pump is connected internally at the factory, for this reason electrical installation consists mainly of the connection of the power supply. Hazardous electrical voltage! The terminal blocks are live and can Warning cause death through electric shock.
  • Page 45 Installation Guide iTec Eco Be sure to install both an earth leakage detector and circuit breaker with specified capacity in accordance with relevant local and national regulations. -If it is not installed properly, it may cause electric shocks and fire.

  • Page 46: How To Unmount The Outdoor Unit Electrical Cabinet

    Installation Guide iTec Eco How to unmount the outdoor unit electrical cabinet Follow the instructions in the images below to proceed: For the 5kW outdoor unit, loosen the one screw on the lower part of the hatch on the side of the unit, as shown in the image.

  • Page 47: Flow Switch Connection

    Installation Guide iTec Eco 6.1.1 Fuse table outdoor unit Outdoor Unit Mains Supply Fuse size 12kW 16kW 230V 1-N, 50Hz 13 A 20 A 30 A 40 A 400V 3-N, 50Hz 10 A 10 A 16 A Tab. 3: Fuse table Flow switch connection Connect the flow switch to the yellow connector.
  • Page 48 Installation Guide iTec Eco 6.3.2 iTec Standard electrical components in the indoor unit Position Description Terminal block Hub card Space for expansion card (accessory) Space for communications card (accessory) Space for terminal block for expansion card (accessory) Fig. 1: Indoor unit 6.3.3...

  • Page 49: Electrical Connection Points

    Installation Guide iTec Eco Electrical connection points This table shows how different electrical equipment should be connected. The positions in the table refers to the system solutions. Accessory* Description Connect to (Expansion card re- quired) Indoor unit to outdoor unit...

  • Page 50: Communication Cable Connection

    Installation Guide iTec Eco UV resistant cable must be used for outdoor power cables. Cable choice must follow applicable local and national regulations. UV resist- ant, twinned pair data/telephone cable must be used for outdoor communication cables. The cable must be screened with the one end of the screening (it does not matter which end) earthed in a ground block.

  • Page 51: Sensors To External Water Heater Connection

    Installation Guide iTec Eco Sensors to external water heater connection -B20 -B21 Fig. 7: Connect hot water sensor top Fig. 8: Connect hot water sensor start 6.10 Condenser circulation pump connection 101.1 116.1 116.2 0 - 10 V Fig. 9: Condenser circulation pump Fig.

  • Page 52: Power Supply Connection

    Installation Guide iTec Eco 6.14 Power supply connection Connect power cable to heat pump unit and to terminal block in control centre as below. Electrical current! The power cable may only be connected to the ter- Danger minal block intended for this purpose.

  • Page 53: Wiring

    Installation Guide iTec Eco 1(L) 2(N) L1(R) L3(T) L2(S) 1(L) 2(N) Fig. 15: Connect 400V 3-N Fig. 16: Alternative connect 230V 1-N 6.15 Wiring Two electronic cables must be connected to the outdoor unit. ▪ The connection cord between indoor unit and outdoor unit.
  • Page 54 Installation Guide iTec Eco 6.15.1 1 Phase terminal block spec 5 kW 1(L) 2(N) 9.95 AC power : M5 screw Communication : M4 screw 8 kW, 12kW & 16kW 10.1 AC power : M5 screw Communication : M4 screw 6.15.2...

  • Page 55: Check List

    Installation Guide iTec Eco Check list Checking the piping installation Before filling the heating system, check the piping installation according to the checklist below. For further information, also see the Installation Quick Guide. Make sure there is a flow switch installed! Otherwise the system will Warning not be able to function at all.

  • Page 56: Checking The Electrical Installation

    Installation Guide iTec Eco 7.1.1 Check list before commissioning the unit Before commissioning the unit, make sure to check the following Caution points : ▪ The operating range of leaving water temperature is 25~65˚C at heating conditions and 5~25˚C at cooling conditions.
  • Page 57 Installation Guide iTec Eco Thermia AB AWIE01IG202...
  • Page 58 Installation Guide iTec Eco AWIE01IG202 Thermia AB...
  • Page 59 Installation Guide iTec Eco Thermia AB AWIE01IG202...
  • Page 60 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.

Table of Contents

Save PDF