TRIO DT 350/3 DIETRISOL. Solar domestic hot water tanks. Installation instructions. Instructions for use. Technical instructions.

Transcription

1 DIETRISOL TRIO DT 350/3 Solar domestic hot water tanks English 07/11/06 Installation instructions Instructions for use 8980N146A Technical instructions

2 Contents Introduction Symbols used Compliance Important recommendations Description Detailed drawing Package list Main dimensions Technical characteristics Installation Primary solar water circuit connections Outlet and return pipes Solar Panel Connection Hydraulic connection of the water circuit for domestic use Hydraulic connections to the boiler Electrical connection Commissionning Secondary circuit (domestic water) Primary boiler circuit Primary solar circuit Filling the solar circuit with heat transfer fluid Bleed Antithermosiphon valve Final checks before commissioning Summer shutdown Regulate technical to respect Maintenance Solar installation Tank Spare parts - DIETRISOL TRIO DT 350/ Installation report Maintenance form Warranty Warranty certificate TRIO DT 350/3 07/11/ K

3 Introduction Dietrisol TRIO DT 350/3 is a high performance solar DHW tank/ calorifier designed to be connected to Dietrisol PRO or POWER solar collectors and an De Dietrich central heating boiler. It is designed to be connected to solar collectors with an area of up to 7.5 m 2 in accordance with the conditions stated in "Primary solar water circuit connections". If the total pipe length exceeds 30 m or if the collector area exceeds 7.5 m 2, it is imperative to add an extra expansion chamber. It is possible to add an electric heating resisto(optional) to heat the upper third of the tank if the boiler is not in service (summer operating mode). 1 Symbols used Caution danger Risk of injury and damage to equipment. Attention must be paid to the warnings on safety of persons and equipment. Specific information Information must be kept in mind to maintain comfort Reference Refer to another manual or other pages in this instruction manual 2 Compliance Compliance of design and manufacture This product complies with the requirements of European Directive 97 / 23 / EC, Article 3, Paragraph 3, on pressure equipment. Electrical compliance - Marking This product complies to the requirements to the European Directives and following standards: 73/23/EEC Low Voltage Directive Reference Standard : EN /336/EEC Electromagnetic Compatibility Directive Reference Standards : EN / EN / EN Important recommendations Positioning the appliance: - in a frost-free room - on a base to facilitate cleaning the room - as close as possible to draw-off points in order to minimise energy losses through the pipes. Insulating the pipes. Heating water and domestic water must not come into contact with each other. Domestic water must not circulate via the exchanger. Service the appliance regularly to ensure that it operates correctly. Any operation on the installation must be performed by a qualified technician respecting professional regulations and in accordance with this document. Keep this document close to the place where the tank is installed. No modifications must be made to the domestic hot water tank if the guarantee is to remain valid. 07/11/ K TRIO DT 350/3 3

4 4 Description The Dietrisol TRIO DT 350/3 tank is fitted with 2 heat exchangers per zone for solar heating and one heat exchanger for supplementary heating by means of a fuel oil or gas boiler. The high quality steel tank is lined with food standard quality vitrified enamel, which protects it from corrosion and preserves all the qualities of the domestic water. The tank is also protected from corrosion by two magnesium anodes which must be inspected every 2 years and replaced if necessary. The thermal exchanger welded into the tank is made of smooth piping, the inside of which, which is in contact with the domestic water, is enamelled. The Dietrisol TRIO DT 350/3 tank is fully equipped with a special solar station, which includes a heating device for each zone, safety equipment, expansion chamber, pump, Diemasol B solar regulator, etc. All components are checked for leaks and tested in the factory. The regulator, pump and directional valve are pre-wired. All the fittings with the tank eliminate costly installation time. The tank is strongly insulated with high strength rigid polyurethane foam with no chlorofluorocarbons (CFC), 75 mm thick to minimise heat loss. The outside casing is made of painted steel sheeting. The top and side covers are made of ABS. The insulating material can be easily detached from the tank. A polyethylene film prevents the foam sticking to the tank. This measure facilitates the recycling of materials. 4 TRIO DT 350/3 07/11/ K

5 8980N208C 5 Detailed drawing Manual bleed degasser 2. Safety unit set at 4 bar - primary solar) 3. Pressure gauge - primary solar) 4. Blue thermometer - tank solar heat exchangers outlet 5. Red thermometer - tank solar heat exchangers inlet 6. Primary solar circuit pump 7. 2-position 3-way directional valve 8. Diemasol B regulator 9. Magnesium anodes l/1.5 bar expansion chamber, 4 bar pre-load 11. Primary solar circuit filling and draining device Package list (1) Available on request at extra cost. The impressed current anode and the electric heating resistor cannot be fitted together. Pack no. DIETRISOL TRIO DT 350/3 EC 70 Options (1) : Titane anode AJ 39 Electric heating resistance 2.24 kw/230 V~ EC 8 Electric heating resistance 3.5 kw/400 V3~ EC 9 07/11/ K TRIO DT 350/3 5

6 7 Main dimensions 1. Domestic cold water inlet G1 2. Circulation G 1 3. Boiler heat exchanger outlet R 1 4. Thimble tube for boiler sensor - diameter Boiler heat exchanger inlet R 1 6. Domestic hot water outlet G 3/4 7. Thermal exchanger inlet (Solar circuit) copper, ext. Ø Thermal exchanger outlet (Solar circuit) copper, ext. Ø Safety valve discharge pipe - primary solar) - copper, ext. Ø Magnesium anodes G 1: 1" cylindrical thread - flat gasket seal R 1: 1" tapered thread for gas Rp 1: Tappe 1" 6 TRIO DT 350/3 07/11/ K

7 8980N207 8 Technical characteristics DIETRISOL TRIO DT 350/3 Upper solar heat exchanger Primary circuit Lower solar heat exchanger Boiler heat exchanger Secondary circuit (tank) Maximum operating temperature C Maximum operating pressure bar Maximum operating pressure in accordance with W/TPW (1) bar Water capacity litres Surface area Heat exchanger m Primary flow rate m 3 /h Water resistance mbar Heat exchanger inlet temperature C Power exchanged (2) (3) kw Continuous output T = 35 K (2) (3) l/h Flow rate for 10 minutes where T = 30 K (on make-up volume) l/10 mm Standby consumption T = 45 K kwh/24h 1.95 (1) Swiss Directives (2) Domestic cold water temperature 10 C (3) Domestic hot water outlet: 45 C (4) Domestic hot water temperature: 40 C average - Domestic hot water storage temperature: 65 C Values measured with a wall-mounted boiler 9 Installation The Dietrisol TRIO DT 350/3 solar tank is designed to be connected to an De Dietrich boiler. 9.1 Tank installation Location Levelling In order to allow the front cover to be opened fully to facilitate access for maintenance work, a minimum space of 350 mm must be left free to the left of the tank. The cap is not reversible. (1) Range of adjustment: approx. 20 mm Lift the tank slightly with a lever to adjust the feet. 07/11/ K TRIO DT 350/3 7

8 9.2 Connection diagram Example of a wall-mounted condensing gas boiler See next page 8 TRIO DT 350/3 07/11/ K

9 Key 3. 3-bar safety valve 4. Pressure gauge 7. Automatic bleed valve 8. Manual bleed valve 9. Isolation valve way mixing valve 11. Boiler pump 11a. Pump with automatic electronic control for direct heating circuit (must be connected to AUX on the boiler panel) 11b. Pump for heating circuit with mixing valve (must be connected to on the valve option board - box FM 48) 13. Flush valve 16. Expansion chamber 17. Drain cock 18. Heating circuit filling valve 21. Outside temperature sensor 23. Mixing valve outlet temperature sensor 24. DHW tank heat exchanger primary inlet 25. DHW tank heat exchanger primary outlet 26. Dhw pump 27. Anti-thermosiphon valve 27a. Non-return valve 28. Domestic cold water inlet 29. Pressure reducer - If the supply pressure exceeds 80% of the valve or safety unit setting (e.g. 5.5 bars for a safety unit set at 7 bars), a pressure reducer must be installed upstream of the DHW tank 30. France: Safety unit 114. Primary solar circuit filling and draining device ( propylene glycol) 115. Thermostatic distribution valve for each zone 126. Solar regulator 129. Duo-Tube 130. Manual bleed degasser - (Airstop) 131. Flat or tubular solar panel 133. Interactive remote control a. Cold water inlet with an integrated non-return valve b. Connection to the DHW tank cold water inlet c. Stop cock d. safety unit 7 bar e. Drain opening 32. Domestic hot water loop pump (optional) 33. Tank temperature sensor 35. Decoupling canister C safety thermostat with manual reset for heated floor (France: DTU 65.8, NF P ) position 3-way directional valve 50. Disconnector 51. Thermostatic valve 56. Domestic hot water circulation return loop 57. Domestic hot water outlet 61. Thermometer 64. Circuit A: direct heating circuit (example: radiators) 65. Circuit B: heating circuit with mixing valve; heating circuit which may be at low temperature (heated floor or radiators) 84. Stop valve with lockable nonreturn valve 85. Primary solar circuit pump bar calibrated and sealed safety valve (primary solar) litre expansion chamber, supplied (primary solar) (1.5bar preload) 89. Heat transfer fluid container 109. Domestic hot water thermostatic mixing valve 112a. Solar sensor probe 112b. Solar tank domestic hot water sensor 07/11/ K TRIO DT 350/3 9

10 Primary solar water circuit connections Important When switched off, the temperature in the sensors can exceed 150 C. To protect against frost a water-propylene glycol mixture is used as heat transfer fluid. The pressure in the solar circuit can rise to 4 bar maximum. Due to the high temperatures, the use of propylene glycol and the pressure in the primary solar circuit, the primary solar water connections must be made with the utmost care, in particular with regard to insulation and watertightness. The technical recommendations in these instructions MUST be observed. Recommended flow rate Dietrisol PRO flat collectors::_12-40 l/m 2 h Dietrisol POWER tubular solar panels:_12-50 l/m 2 h Safety valve discharge pipe - max. pipe length 2 m - blanking off impossible - DN 20 - fitted with constant slope towards the drain Protection of the environment Place a container of sufficient volume under the drain pipe and the valve discharge pipe. 1 Outlet and return pipes Dimensions To be able to have pipework without degassers or bleed valves at high points, the solar fluid flow rate must not fall below 0.4 m/s during the degassing procedure. Observe the following parameters for this to be possible: Copper pipe Number of panels ø ext. (mm) Dietrisol PRO flat collectors: Max. length outlet (outlet + return) 2 15 or Dietrisol POWER tubular solar panels 3 in series 15 or in series 15 or in series 15 or The pipes must be as short as possible and always sloping downwards between the collectors and the connection to the solar tank. If the installation criteria for good degassing cannot be met, a manual bleed degasser must always be installed at the high point(s) of the solar equipment. Use of a hacksaw is prohibited. Connecting Pipe connections by compression unions. Hard soldering: Hard soldering: hard soldering filler metal without flux in accordance with DIN EN 1044, e.g. L-Ag2P or L-CuP6. Soft soldering are not authorized. The use of flux promotes corrosion conditions in systems operating with propylene glycol as heat transfer fluid. In all cases the inside of the pipes must be flushed. Pipe unions: can only be used if they are resistant to glycol, pressure (4 bar) depending on version) and temperature (180 C, -30 C) (manufacturer's data). Sealing material: hemp or Teflon. Ideal Incorrect (high point with no air vent) Correct (high point with air vent) Location of manual bleed valve degasser 10 TRIO DT 350/3 07/11/ K

11 2 Solar Panel Connection Dietrisol PRO flat collectors: Special case The outlet and the return can be connected directly to the risers by using the connection kit. The outlet and return connections are on the same side of the solar collector. Be careful not to reverse the outlet and the return. If the outlet and the return are reversed, the system cannot operate correctly. The sensor must always be installed on the outlet end. For the installation and water connections to the sensors, refer to the instructions supplied with them. Dietrisol POWER tubular solar panels Fit the outlet connection (with immersed sensor socket and manual air vent) to the top right-hand end of the series of collectors. Fit the return connection to the other end. Bring the return pipe towards the outlet from below the collector. The Dietrisol POWER collector does not have a built-in return pipe unlike the Dietrisol PRO flat collector. For the installation and water connections to the sensors, refer to the instructions supplied with them. If for reasons connected with the design of the building the connecting pipes must rise from their mounting point on the solar collector to the point where they pass under the tiles, then it is necessary to insert a degassing pot with a manual bleed valve under the roof at the highest point on the water circuit. Pipe insulation Prefabricated for "Duo-Tube" (Option). If different copper pipes are used, the insulation must be: - Resistant to constant temperatures up to 150 C in the collector zone and the hot outlet and also down to -30 C. - Resistant to UV light and weather in the roof area. - Insulation preferably waterproof and continuous - with a thickness equal to the tube diameter and with a K coefficient of 0.04 W/mK. 50 % reduction of the insulation is permitted when passing through the roof and walls. Recommended materials for temperatures up to 150 C - Duo-Tube De Dietrich - Armaflex HT - mineral wool - glass fibre To protect the insulation against mechanical damage, bird pecking and UV light, add extra protection for the heat insulation sleeves in the roof area by using an aluminium sheet sleeve or aluminium adhesive tape. This additional protection must be sealed with silicone. 07/11/ K TRIO DT 350/3 11

12 Hydraulic connection of the water circuit for domestic use These domestic hot water tanks can operate at a maximum operating pressure of 10 bars. As a general rule, the tanks operate at 7 bars. Before making the connection, rinse the domestic water inlet pipes to prevent the introduction of metal or other particles into the DHW tank. The foreign matter would also risk damaging certain components such as the safety unit, valves, tap fittings, etc. Connections must be made in accordance with the instructions of the Société Suisse de l'industrie du Gaz et des Eaux. Any local instructions from water distribution plants must also be respected. Specific precautions Provision for Switzerland Domestic water mixer tap All Dietrisol TRIO hot water tanks are fitted with a domestic water mixer tap on the hot water outlet pipe, with a setting range of C. Domestic hot water connection The thermostatic mixer tap does not require any particular maintenance. You are strongly advised to install a dielectric insulation connection between the thermostatic mixer tap (mixed water outlet) and the connection pipe to prevent problems of corrosion. The same applies to the brass T- piece at the cold water inlet. Protection against corrosion on the domestic hot water outlet 28. Domestic cold water inlet 57. Domestic hot water outlet 12 TRIO DT 350/3 07/11/ K

13 The components used for the connection to the cold water supply must comply with the prevailing standards and regulations in the country concerned. Fit a non-return valve to the domestic cold water circuit. For France, we recommend hydraulic safety units fitted with a membrane with the NF marking. - Integrate the safety valve in the cold water circuit. - Install the safety valve close to the calorifier in a place which is easy to access. Dimensions Connecting the domestic cold water Safety valve In compliance with the safety rules, fit a sealed safety valve The outlet pipe in the valve or safety unit must not be blocked. to the tank's domestic cold water inlet. France Calibration of the safety valve : 10 bar. The level of the safety unit must be lower than that of the cold water inlet to enable draining. Otherwise, fit a drainage pipe to the lowest point of the tank. Germany Define the dimensions of the safety valve in accordance with the DIN 1988 standard : The safety unit and its connection to the DHW tank must be of at least the same diameter as the cold water supply pipe in the tank's domestic circuit. No isolating devices should be located between the safety valve or unit and the tank. The safety unit outlet pipe must have a uniform and sufficient gradient and its diameter must be at least equal to that of the outlet opening in the safety unit (to prevent the flow of water being hindered if the pressure is too high). Capacity litres Dimension of the valve Min. dimension of the inlet connection Heating output kw max < 200 R or Rp 1/ R or Rp 3/4 150 Fit the safety valve above the calorifier to obviate having to drain the tank during servicing. Install the drainage valve at the lowest point on the calorifier. If the supply pressure exceeds 80% of the valve or safety unit setting (e.g. 5.5 bars for a safety unit set at 7 bars), a pressure reducer must be installed upstream of the DHW tank. Install the pressure reducer downstream of the water meter in such a way as to ensure the same pressure in all of the pipes in the installation. During the heating process, water can flow through the bleed circuit to guarantee the safety of the installation. Do not block! To guarantee the availability of hot water as soon as the taps are turned on, a circulation loop between the draw-off points and the recirculation pipes in the DHW tank can be installed. See diagram. Fit a non-return valve to the domestic cold water circuit. If using a closed calorifier, the non-return valve must be easily accessible. Pressure reducer Bleed circuit Domestic hot water circulation loop Measures to take to prevent hot water blow back 07/11/ K TRIO DT 350/3 13

14 Hydraulic connections to the boiler Important notes about connecting the heating circuit and the domestic hot water tank heat exchanger Installation must be carried out in accordance with the prevailing regulations, the codes of practice and the recommendations in these instructions. For a proper operating of the boiler, follow carefully the instructions. Refer to the technical and assembly instructions delivered with the boiler. Before making the heating circuit and domestic hot water tank heat exchanger water connections, it is imperative to flush the circuits to remove any particles which might damage certain components (safety valves, pumps, valves, etc.). There must be no total or partial closing mechanism between the boiler and the safety valves (France: DTU , NF P ). The heating system must be designed and constructed in such a way as to prevent the return of water from the heating circuit or the substances in it to the drinking water mains. A disconnector must be installed for filling the heating circuit in accordance with the regulations in force. Be careful to shut off the water in the heat exchanger circuit by means of the stop valves in order to facilitate boiler or tank maintenance operations. Electrical connection 1. Unscrew the 2 lateral holding screws. 2. Open the front cover. 3. Pass the cable through the opening provided (A). 4. Connect the cable to the mains. 5. Close the front cover. 6. Tighten the 2 holding screws. 14 TRIO DT 350/3 07/11/ K

15 Commissionning 1 Secondary circuit (domestic water) 1.1 Filling with water Carefully degas the DHW tank and the distribution network in order to eliminate noises and hammering caused by trapped air moving in the pipes during draw-off. To do so: Completely fill the DHW tank via the cold water inlet pipe, leaving the hot water valve open. Only reclose this valve when the flow is regular and there are no noises or hammering in the pipes. Then successively degas all the hot water pipes by opening the corresponding valves. These operations also make it possible to rinse and clean the hot water pipes located at the DHW tank outlet. 1.2 Adjustment Set the domestic hot water thermostatic mixing valve to the required temperature to avoid scalding when running domestic hot water. During the heating process, a certain amount of water may flow through the valve or safety unit; this is caused by water expansion. This phenomenon is completely normal and must in no event be hindered. 2 Primary boiler circuit Refer to the technical and assembly instructions delivered with the boiler. If the boiler's domestic hot water circuit is set higher than 50 C, the SZ parameter (zone reversal temperature) of the Diemasol B regulator must be changed to 5 K above this domestic hot water circuit temperature setting. See the instructions supplied with the control unit and any remote control unit used. When the boiler and the heating system have been filled, check that the domestic hot water tank boiler heat exchanger is properly bled. 07/11/ K TRIO DT 350/3 15

16 3 Primary solar circuit Recommendation:_With small systems, use DE DIETRICH propylene glycol containers to recover fluid under the safety valve discharge pipe. 3.1 Flushing the primary solar circuit check the connection to the series of collectors and the collector sensor connection. Flushing procedure 4. Pressure gauge 9. Isolation valve position 3-way directional valve 61. Thermometer 84. Stop valve with lockable nonreturn valve 85. Primary solar circuit pump bar calibrated and sealed safety valve (primary solar) litre expansion chamber, supplied (primary solar) (1.5bar preload) 89. Heat transfer fluid container 114. Primary solar circuit filling and draining device - propylene glycol 126. Solar regulator 130. Manual bleed degasser Flushing When commissioning, the solar installation must be flushed meticulously to remove grit, deposits and any flux residue. Flushing time: Minimum 10 minutes Flushing fluid: Heat Transporting Fluid 1. Open the spherical liner valves. 2. Set the 3-way valve to manual mode MM2 (refer to the Diemasol B regulator instructions) so that the upper heat exchanger is also flushed and filled. if the tank is not yet switched on, change the position of the valve manually. 3. Close the drain taps when the system is full. 4. At the end of the operation, do not forget to change back to automatic mode MM4. 5. Close the spherical liner valves again. The tank is fitted with a filling and draining device (No. 114) which can be used to flush the system. Important note about flushing and filling the system The solar installation has been designed in such as way that total draining of the collectors is impossible. Antifreeze is included in the mixture. Therefore it is imperative to flush and fill the solar installation with heat transfer fluid. Dietrisol POWER tubular solar panels: For the rinsing, to short-circuit the end of the rising main (upstream of the solar collector). To refer to the note of the solar collector. Not to carry out rinsing in the event of direct solar radiation (vapor formation) or if there is risk of freezing (risk of deteriorations). 16 TRIO DT 350/3 07/11/ K

17 3.2 Leak test The system must be tested for leaks with the heat transfer fluid when flushing is finished. - Testing pressure: 2.5 bar - Test time: minimum 1 hour In the absence of air in the solar circuit, the test pressure must not decrease. When the test time has elapsed, allow the pressure in the system to rise until it triggers the safety valve (operating check). 4 Filling the solar circuit with heat transfer fluid Before the filling of the installation, to check the preload of the expansion vessel according to the static height. (Preload = static Height/ bar). check the connection to the series of collectors and the collector sensor connection. Heat Transporting Fluid Propylene glycol leaks very easily. The pressure tests do not guarantee that there will be no leaks when the system is filled with propylene glycol under pressure. For this reason, we recommend an additional leak test when the system is filled and working. Do not carry out a leak test when the installation is exposed to direct solar radiation (risk of vaporisation) or when it is freezing (risk of damage). After the leak test, adjust the solar circuit pressure to 2 bar bar. Filling procedure Dietrisol PRO flat collectors:: Water/propylene glycol mixture or ready-to-use LS mixture Mixture ratio: 57/43-57 parts water - 43 parts propylene glycol The freezing point of this mixture is -28 C. Down to -33 C, it forms slush that will not burst the pipes. Dietrisol POWER tubular solar panels: Tyfocor HTL ready-to-use mixture (only). Filling pressure 1.5 max. 2 bar (or0.5 bar above the static height). The filling pressure must be more than 0.5 bar above the expansion chamber pre-load pressure. The ready-to-use mixture must be pumped directly from the container. Do not use a manual filling pump. Prolonged operation of the pump (85) will have caused preliminary degassing of the solar circuit. Filling Follow the same procedure as for rinsing. To put the installation under pressure, to close the blowoff valve on the return. Not to forget to open the valve B at the end of the filling. Since propylene glycol leaks much more easily than water, check all connections and gaskets for leaks after a few hours of operation at working pressure. 4. Pressure gauge 9. Isolation valve position 3-way directional valve 61. Thermometer 84. Stop valve with lockable nonreturn valve 85. Primary solar circuit pump bar calibrated and sealed safety valve (primary solar) litre expansion chamber, supplied (primary solar) (1.5bar preload) 89. Heat transfer fluid container 114. Primary solar circuit filling and draining device propylene glycol 126. Solar regulator 130. Manual bleed degasser - (Airstop) 07/11/ K TRIO DT 350/3 17

18 8980N205 5 Bleed - Switch on the circulating pump: air bubbles move towards the bleed points (Airstop system and manual air vent). - Stop the circulating pump. - Open all the bleed valves to expel the air then close them again. Depending on the fluid temperature and system pressure, when the degassing screw is opened, the fluid may spurt out with some force. If the water temperature is high, be careful: RISK OF SCALDING. Repeat the operation several times; alternate operation of the pump assists degassing. Bleeding must be continued until pressure variations can no longer be detected at the pressure gauge, or when starting or stopping the pump. If loss of pressure continues, add heat transfer fluid in accordance with the filling instructions. After a few days of operation at high working temperature, bleeding should be repeated. This bleeding is necessary because small air bubbles form in the propylene glycol at high working temperatures. For systems installed in the winter, it is advisable to bleed them again in the summer. 6 Antithermosiphon valve The antithermosiphon valve is included in the spherical liner valve on the red thermometer and it is characterized by an opening pressure of 200 mm water column. 1. For filling, degassing and rinsing the installation, the two spherical liner valves must be positioned at 45 (see illustration). The spherical liner in the valve lifts the antithermosiphon valve. 2. When the installation is in use, the spherical liner valves must be 'returned to the vertical position. The antithermosiphon valve operates when the stop cock is in the open position. 18 TRIO DT 350/3 07/11/ K

19 7 Final checks before commissioning 1. The system is filled with De Dietrich heat transfer fluid without any air bubbles. Inspect all the connections in the system for leaks.. 2. Leave the fluid circulating round the system for some time and check again for leaks. (regulator in manual mode). 3. Open the bleed valve of the manual bleed degasser (bleed again). 8 Summer shutdown The system is designed in such a way that no special precautions are necessary during long periods of absence in summer. 4. Bring the pressure in the system up to the 2 bar working pressure by topping up if necessary with heat transfer fluid. 5. After several hours of operation, the system should be bled again (via the manual bleed degasser). After bleeding, check the system pressure and add more fluid if necessary. 6. Set the regulator to automatic mode. 7. Check the anti-thermosiphon valves on the outlet andthe return. Close them if necessary. Do not switch off the regulator, or drain off the heat transfer fluid. 9 Regulate technical to respect Installation must be carried out in accordance with the prevailing regulations, the codes of practice and the recommendations in these instructions. Normalizes NF EN 12828, March 2004 Appendix D: Indications for the dimensioning of the expansion vessel with diaphragm. In the case of the Dietrisol TRIO DT 350/3 water tank, the expansion vessel is delivered with the product. Example for a mixture with glycol 40 % Expansion rate of water in % Temp. C Water only Antifreeze 10 % Antifreeze 20 % Example for a 30 liters installation: Antifreeze 30 % Antifreeze 40 % Antifreeze 50 % Dilated volume (A) 30 x 5.63 % = 1.70 litres Rapid determination of an expansion vessel 3 bar For example: Static height 15 m / 10 = 1.5 bar bar = 1.8 bar Total expansion volume Previous example: = 2 litres Output of the expansion vessel Previous example with 3 bar valve: ( ) - ( ) / ( ) = 0.24 or 24 % Minimum volume of the expansion vessel Previous example: 2 / 0.24 = 8.33 litres Subparagraph : The presence of a boltable isolating valve can be considered for the needs of maintenance: Preload = Static height / bar Dilated volume (A) + Reserve (0.5 to 1 % of the installation volume) (Final pressure + 1) - (Preload + 1) / (Final pressure + 1) Final pressure = Maximum valve pressure x 0.9 Total expansion volume / Efficiency - Replacement of the expansion vessel - Preload the control (control and the filling being done with air as for a tire). In the same conditions one obtains 3.45 l with an expansion vessel of 6 bar. 07/11/ K TRIO DT 350/3 19

20 8980N144 Maintenance 1 Solar installation We recommend that you take out a preventive maintenance contract to check the fluid level, antifreeze protection, pressure in the system, leak test and general operation every year or every two years. It is imperative to drain the solar circuit before any work is carried out. 2 Tank Magnesium anodes The magnesium anodes must be checked at least every 2, years. After the first check, determine the frequency of future checks on the basis of anode wear. The anodes can be checked by two methods: Inspection: the anode must be replaced if its diameter is less than 15 mm (original diameter = 33 mm). Function test: - disconnect the earth wire from the anode - measure the strength of the current between the tank and the anode. if the current is less than 0.1 ma, the anode must be replaced. If the anodes must be replaced, proceed as described below. Valve or safety unit The valve or safety unit must be operated at least once a month in order to ensure that it is operating correctly and to be forewarned of any overpressure which would damage the DHW tank. Descaling In hard water regions, it is advisable to ask the fitter to descale the DHW tank exchanger once a year in order to maintain its level of performance. Casing The casing of the DHW tank can be cleaned with soapy water. Procedures to follow for descaling, or checking or replacing the magnesium anodes Prepare a new sealing gasket 1. Cut off the cold water supply and drain the DHW tank. 2. To drain the safety unit, set the unit to "Drain" and open a hot water tap (or a drain valve) to let air enter. 3. Remove the inspection trap (13 mm spanner). 4. Check the anode and replace it if necessary. 5. Remove limescale deposits in the form of sludge or strips in the bottom of the tank. On the other hand, do not touch limescale adhering to the walls of the tank as it provides effective protection against corrosion and improves the insulation of the DHW tank. 6. To scale the exchangers in order to guarantee their performances. 7. Fit the unit together. 8. To replace the gasket of the flange. 9. After reassembly, check the watertightness of the lateral flange. 10. Switch on. The flange mounting bolts must not be excessively tight: 15 Nm. Use a dynamometric spanner. approximately 15 Nm can be obtained by using a box spanner with a long tommy bar. 20 TRIO DT 350/3 07/11/ K

21 Spare parts - DIETRISOL TRIO DT 350/3 to order a spare part, it is imperative to give the code number shown on the list, against the number of the part required. Tank 10/10/ K DE DIETRICH THERMIQUE S.A.S. - Spare parts centre 4 rue d Oberbronn - F REICHSHOFFEN - Tel.: (+33) Fax: (+33) cpr dedietrichthermique.com

22 Water unit 22 TRIO DT 350/3 07/11/ K

23 Rep Reference Description Tank Top cover Front cover Diemasol B regulator Valve/heat exchanger connection pipe Connecting pipe Circuit/drain connection pipe/expansion vessel Tube connection arrival/solar collector Tube connection retour/solar collector Tube connection valve of safety Flat gasket pack Resistor 6.3 A V Pipe bracket Expansion chamber bracket Complete top mounting Seal kit 7 mm + retainer ring Complete right-hand side mounting ø Complete Anode Gasket 25x8.5x Nylon brace Earth wire EPDM seal 170x117x Adjustable foot V1939 M10X Terminal block Expansion chamber 18 l, 4 bar Rep Reference Description Water unit Pipe mounting plate /4" extension Motorised 3-way valve Safety device holder bar safety valve bar safety valve bar manometer ST20/6-3-position Circulating pump Filling/draining valve Valve elbow Return tap Outlet tap with 3/4 valve Black thermometer handle Red handle trim Blue handle trim Red thermometer Blue thermometer Bleed 3/ Cap G 3/4" Nipple 3/ Valve motor Power supply cables, pump and valve Green seal 24x17x Green seal 30x21x Domestic hot water thermostatic mixing valve Union reducer F1"-F3/4" Valve AR OV15/DN Mixing tap kit + pipe Solar sensor probe FKP6 - lg 2.5 m Solar calorifier sensor FRP Tee 1" Fuse 4A (x10) solar regulator Contact spring for pocket Sensor tube 90 mm/ Pipe 1" - lg kit of levelling 4 bar 07/11/ K TRIO DT 350/3 23

24 Installation report Place of installation... Owne... Street... Town/Postcode... Tel.... Fax... Mobile Company... Street... Town/Postcode... Tel... Fax... Mobile Installer... Description of the installation Solar installation for: Hot water preparation Hot water preparation & hot water Swimming pool heating booster Components: Dietrisol PRO flat collectors: Dietrisol POWER tubular solar panels Dietrisol ECO 2 flat collectors: Quantity:... Type of installation: On roof Roof-integral Installation On flat roof Pipes: Duo-Tube Cu 15 Cu 18 Other pipes ø...mm Length...m Insulation:...mm Type/brand... Tank: B 150, B 200 B 300/2, B 400/2 DC 750, DC 1000 Dietrisol TRIO Dietrisol QUADRO Dietrisol QUADRODENS Dietrisol LIGHT S 300-2P Dietrisol LIGHT S 400-6P Other brand... Solar station:: Dietrisol DKS 6-8 Dietrisol DKS 9-20 Dietrisol DKP 6-8 Dietrisol TRIO Dietrisol DUS 1/ Dietrisol DUS 2/ Other brand... Solar fluid: LS HTL l (volume):... System pressure:...bar Preload vessel...bar Solar outlet and return checks For vertical collectors side-by-side or horizontal collectors one on top of the other: - Connect the return (cold) - Connect the outlet (hot) to the coil - Mount the sensor on the side where the hot coil leaves the collector (outlet) For horizontal solar panels: - checks in accordance with the assembly diagram Return OK Outlet OK Sensor position OK Regulator function check 3-minute bleed cycle Continuation in "matched flow" mode OK OK Collector temperature TC =... C Adjustment parameter CX =... C DHW sensor temperature TS =... C Adjustment parameter tu =... min. Amount of heat AH =... KW Adjustment parameter PN =... % Adjustment parameter DT =... K Adjustment parameter FX =... l/min Adjustment parameter SZ =... C Adjustment parameter UU =... Adjustment parameter SX =... C The SZ parameter MUST be 5 K higher than the booster DHW booster temperature settings: temperature setting(s). - boiler circuit... C - Electric heating resistance... C 24 TRIO DT 350/3 07/11/ K

25 Inspection of the installation Components on roof: All mounting bolts tight All connections checked and leak-free Solar station:: Outlet and return connections correct Outlet and return thermometers present and checked Tank: Cold water safety kit installed Pressure reducer set at... bar Thermostatic mixing valve with anti-thermosiphon circuit connected to the solar tank Tank insulation checked All connections installed Expansion chamber: Pressure of preload of the controlled expansion vessel yes yes yes yes yes yes yes yes yes yes Readjustments Assembly instructions (solar collector, tank, complete station, regulator) handed to the owner Solar installation operation (regulator) explained to the owner yes yes Comments Place:... Date:... Owner's signature Installer's signature 07/11/ K TRIO DT 350/3 25

26 Maintenance form Maintenance N :... Owne... Street... Town/Postcode... Tel.... Fax... Mobile Company... Street... Town/Postcode... Tel... Fax... Mobile Installer... Description of the installation Solar installation for: Hot water preparation Hot water preparation & hot water booster Swimming pool heating Components: Dietrisol PRO 2.3 flat collectors: Dietrisol PRO 2.5 flat collectors: Dietrisol ECO 2 flat collectors: Dietrisol POWER tubular solar panels Area...m 2 DHW tank:... Solar station::.... Checks System pressure checked:... bar ph value... Preload vessel... bar Antifreeze protection checked... C Sealing: Inspection: Collector OK OK Pipes OK OK Solar station: OK OK DHW tank OK OK Regulation Checking the operation OK Collector temperature TC:... C DHW sensor temperature TS:... C Temperature Te:... C Amount of heat AH:... kw Enamelled tanks: Sacrificial anode checked condition satisfactory must be replaced 26 TRIO DT 350/3 07/11/ K

27 Installation controlled in integrality Installation in perfect condition Installation fully checked Place:... Date:... Owner's signature Installer's signature 07/11/ K TRIO DT 350/3 27

28 Warranty You have just purchased one of our appliances and we thank you for the trust you have placed in our products. Please note that your appliance will provide good service for a longer period of time if it is regularly checked and maintained. Your fitter and our customer support network are at your disposal at all times. Warranty terms Starting from the purchase date shown on the original fitter's invoice, your appliance has a contractual guarantee against any manufacturing defect. The length of the guarantee is mentioned in the price catalogue. The manufacturer is not liable for any improper use of the appliance or failure to maintain or install the unit correctly (the user shall take care to ensure that the system is installed by a qualified fitter). In particular, the manufacturer shall not be held responsible for any damage, loss or injury caused by installations which do not comply with the following: - applicable local laws and regulations - specific requirements relating to the installation, such as national and/or local regulations - the manufacturer's instructions, in particular those relating to the regular maintenance of the unit - the rules of the profession The warranty is limited to the exchange or repair of such parts as have been recognised to be faulty by our technical department and does not cover labour, travel and carriage costs. The warranty shall not apply to the replacement or repair of parts damaged by normal wear and tear, negligence, repairs by unqualified parties, faulty or insufficient monitoring and maintenance, faulty power supply or the use of unsuitable fuel. Sub-assemblies such as motors, pumps, electric valves etc. are guaranteed only if they have never been dismantled. France The preceding dispositions are not exclusive of benefits for the purchaser of the legal guarantee as stated in Civil Code articles 1641 to Belgium The preceding dispositions about the contractual guarantee are not exclusive of profit if the need arises for the purchaser in Belgium of the applicable legal dispositions on hidden defects. Switzerland The application of the warranty is subject to the terms and conditions of sale, delivery and warranty of the company marketing our products. Other countries The above provisions do not restrict the benefit of the legal laws regarding hidden defects applicable in the buyer's country. 28 TRIO DT 350/3 07/11/ K

29 Warranty certificate Date of purchase:... Retailer's stamp: Name and address of the purchaser: Tel.:... Information on the appliance (to be found on the rating plate): Model:... Serial number:... 07/11/ K TRIO DT 350/3 29

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32 FR DE DIETRICH THERMIQUE S.A.S. Direction des Ventes France 57, rue de la Gare F MERTZWILLER +33 (0) (0) AT DE DIETRICH HEIZTECHNIK Am Concorde Park 1 - B 4 / 28 A-2320 SCHWECHAT / WIEN +43 (0)1 / (0)1 / office@dedietrich.at In the interest of customers, De Dietrich Thermique SAS are continuously endeavouring to make improvements in product quality. All the specifications stated in this document are therefore subject to change without notice DE BE CH DE DIETRICH HEIZTECHNIK Rheiner Strasse 151 D EMSDETTEN +49 (0)25 72 / (0)25 72 / info@dedietrich.de VAN MARCKE Weggevoerdenlaan 5 B KORTRIJK +32 (0)56/ VESCAL S.A. / Z.I de la Veyre, St-Légier 1800 VEVEY (0) (0) LU RU CN NEUBERG S.A rue Jacques Stas L LUXEMBOURG +352 (0) DE DIETRICH 8 Gilyarovskogo Str. 7 R MOSCOW dedietrich@nnt.ru DE DIETRICH Room 512, Tower A, Kelun Building 12A Guanghua Rd, Chaoyang District C BEIJING +86 (0) (0) (0) (0) contactbj@dedietrich.com.cn AD001Z DE DIETRICH THERMIQUE 57, rue de la Gare F MERTZWILLER - BP 30