DTC 100/4TD
Contents
1. 91919 11 DTC 100 4 TD Water After heating with Electric Heating Elemen When water is after heated by means of electric heating element it must be connected through additional power relay and safety immersion thermostat T4 sensor should be installed above electric heating element DTC Differential thermostat DTC 100 4TD 1 T2 T3 T4 Sensors safety T1 collector sensor 5 thermostat T2 hot water tank sensor T3 boiler sensor 4 hot water tank sensor P1 P2 Circuit pump P2 primary circuit pump P1 after heating circuit pump MW EMV1 EMV2 Electric connection Electric motor actuated ball valve EMV 110 4230 series EMV 110 3230 series compact 1121314 5 6 7 8 l l electric heating element iw X EX T1 T2 T3 T4 12 DTC 100 4 TD CONNECTION OF ELECTRIC HEATING ELEMENT 9 10 POWER RELAY L 230V 50Hz SAFETY THERMOSTAT 77 OF HEATING ex oar ELEMENT EL HEATER L N DTC 9 10 Operatin2. draining of liquid water from the system but collector circuit should operate in automatic mode It disconnects after heating pump operation as well as burner or electric heating element switching on The procedure of disconnection is described in point 3 set the parameter P to value 0 When you want again connection of the after heating circuit set the parameter P to value different from 0 factory set to 8K DTC 100 4 TD WARNING If T2 and T3 keys are simultaneously pressed you enter set up menu If in about 1 minute the values are not changed regulator automatically leaves this menu it shows T4 tem perature in hot water tank If you have changed the values and you haven t leftthe set up menu entered values are not effective TEMPERATURE DISPLAY During normal use display shows T4 temperature which is the temperature of water in upper part of hot water tank If you press T1 key the display shows temperature in collectors T1 Temperature remains displayed until the key is pressed If you press 2 key the display shows temperature of lower part of hot water tank T2 Temperature remains displayed until the key is pressed If you press T3 key the display shows temperature in boiler T3 Temperature remains displayed until the key is pressed WARNING Regulator reaction time is 5 sec max therefore after each change of temperature you must wait for 5 sec to see the change on the display Erro
3. or closing process in opposite direction so that water flow can rinse the impurities up to cleaning net anti blocking system
4. switch to AUTO after heating pump is position position continously switched on and collector pump is inoperative Collector pump operates After heating circuit discon Connect after heating circuit pump not After heating pump Collector circuit disconnected Connect collector circuit collector pump not Control light of individual Pump blocked or cable of the Check the pump and is inoperative Er1 appears Er2 appears Er1 appears Er2 appears Er1 appears Er2 appears Er1 is shown on displa T4 sensor is interrupted Check T4 sensor Er2 is shown on displa T4 sensor is short circuited Check T4 sensor DTC 100 4 TD Advan f motor Il valv f solar heating systems In solar heating systems motor actuated ball valves can prevent various inconveniences 16 Effectively prevent hydraulic shocks in systems as they require 30 seconds for complete opening Due to their shape they do not impede the flow Springs are not included therefore noise does not appear When closed 100 sealing is guaranteed They have an output for pump up to 100 W in open position therefore they do not present a hydraulic load for pump in closed position They enable pump switching on only in completely open position Due to installed RELAY module they enable control with make contact only If during closing or opening process impurities enter in valve which could block it the valve stops and immediately afterwards continues with opening
5. DTC 100 4 TD Differential thermostat for regulation of two heating circuits in combination of solar and classic heating with temperature display and regulation of burner or electric heating element DTC 100 4 TD User s manual Installation and maintenance instructions FIRST ROTOTEHNIKA s p PE VELENJE Radegunda 54 3330 MOZIRJE Koro ka cesta 56a 3320 VELENJE tel 03 898 35 00 fax 03 898 35 35 www first si e mail info first si ID 21064D82B06 000RITDt Aega DTC 100 4 TD DEAR TOMER Congratulations You have bought a DTC 100 4TD differential thermostat manufactured according to the latest quality and safety standards It is made according to the state of art and efficiently utilises solar energy or alternative sources for domestic water heating It is designed in compliance with strict criteria and requirements of West European markets and enables efficient use of solar energy which enables considerable savings of other sources for domestic water heating Our products are available in the markets for several years and satisfy the needs of de manding customers from hot Greece to north Germany We are convinced that the use of our product will satisfy your needs too and help you to save your money Thanks for your confidence Ihesetconsistof 1 7 0 Differential thermostat DTC 100 4TD T1 collector sensor with silicone conductor T2 hot water tank sensor with PVC conductor T3 sensor f
6. T4 Sensors T1 collector sensor T2 hot water tank sensor T3 boiler sensor T4 hot water tank sensor P1 P2 Circuit pump P2 primary circuit pump P1 after heating circuit pump Electric connection EMV1 EMV2 Electric motor actuated ball valve dA JA EMV 110 4230 series i E EMV 110 3230 series compact N L N L L N 1234567 8 9101112 13 14 15 16 T1 T2 3 T4 1 SL 52 a 3 MB ae o r e P2 P18 L N 4 i L D G 10 DTC 100 4 TD nnection with Two Pum In order to prevent water circulation behind the pump a retaining valve should be installed When conditions for heating a heating circuit are achieved pump switches on DTC Differential thermostat DTC 100 4TD T1 T2 T3 T4 Sensors T1 collector sensor T2 hot water tank sensor T3 boiler sensor T4 hot water tank sensor P1 P2 Circuit pump P2 primary circuit pump P1 after heating circuit pump RV1 RV2 Nonreturn valve Electric connection L N N 8 9 10 11 12 13 1 ULL Lili T1 T2 T3 T4 P2 P1 15
7. ar systems The set comprises four sensors T1 T2 T3 T4 Two of them are mounted into individual heating sources and two into upper half of individual exchangers in hot water tank T1 and T2 are designed for primary main heating circuit which heats entire quantity of water in hot water tank lower exchanger where T1 is a sensor of heating source generally collectors and T2 is a sensor in lower part of hot water tank T3 and T4 are designed for additional i e after heating circuit which additionally heats water in hot water tank upper exchanger T3 is a sensor of heating source generally boiler and T4 is a sensor in upper part of hot water tank TEHNICAL DATA Supply 230V 50Hz 10 Power 4 Pump relay rating 3A 230VAC cos 0 6 Type of Max measured temperature 180 C Min measured temperature 20 C Adjustable temperature range 10 90 C Temperature difference settings 2 15K Hysteresis of difference 2 K Hysteresis of the thermostat 3 K Nr Of Sensors aiea 4 Nr OP OULD US erint ete tremere 3 230 VAC Install the thermostat on hot water tank casing or close to it Do not mount it under pipe fittings
8. e boiler will not damage no one of connected consumer of hot water With keys T2 in T3 set required regime When you set the required regime press key T1 and hold it On the display appears P r and hold down the key approximately 3s until the sign disappears and on display appears the temperature T1 temperature of H F collector circuit Now release the key Lx If you release the key too soon entered values are not effective e e e Ti T2 T3 Tmax We mentioned before that we have the possibility to disconnect the collector circuit and after heating circuit For such step we decide in following cases Disconnection of Collector Circuit Operation It is used in cases of mechanical faults of collector system which requires draining of liquid water from collector system but after heating circuit should operate in automatic mode Disconnection is useful also in systems where water is discharged from collectors during winter which prevents dry operation of the pump The procedure of disconnection is described in point 2 set the parameter C to value O When you want again connection of the collector circuit set the parameter C to value different from 0 factory set to 5K Disconnection of After heating Circuit Operation It is used in cases of mechanical faults of after heating system which requires
9. e difference is one degree lower than pre set value The thermostat also switches off a pump if pre set temperature is reached in hot water tank adjustable from 10 to 90 C If gas flow boiler oil boiler or electric heating element which is switched off during summer seasons is connected to after heating circuit the regulator can switch on the boiler by means of the third output if domestic water is to be additionally heated by means of after heating circuit In summer seasons a few days of cloudy weather can appear or use of domestic water increases In such cases domestic water is to be after heated from additional source central heating system boiler or electric heating element Classic differential thermostat would require hot boiler throughout the year which is not recommended from ecological and economic point of view DTC 100 4TD with its third additional output enables activation of after heating source When after heating of water is required regulator first switches on the burner of the boiler and when the condition of difference for after heating circuit is also assured pre set difference of boiler has higher temperature than hot water tank pump is switched on DTC 100 4 TD When pump operates for primary heating circuit collectors operation of after heating circuit and burner of boiler or electric heating element is prevented This assures maximum energy savings during summer seasons and is also the main role of sol
10. g Safety N L thermosta thermostat switch E 1 72 mA 2 i l jd i ad e abes ee BOILER WARNING Before opening unplug from power supply Only qualified person can maintain the apparatus DTC 100 4 TD HOLES FOR EASIER INSTALLATION OF Ind G gt 06 70 DTC 100 4 TD Tr le sh in i TROUBLE POSSIBLE FAILURE REMEDY Thermostat inoperative Plug not connected Connect plug in socket Water cools down during Selector switch not in AUTO Set the switch to AUTO night position position Check machine One of retaining valves installation We recommend of the system inoperative installation of motor actuated enables thermosiohon water ball valve EMV110 800 230 circulation When pumps are active Retaining valve makes noise Replace nonreturn valve with unpleasant noise in weak spring motor actuated ball valve installation is heard EMV110 800 230 Irrespective of the Selector switch in position Set selector switch to AUTO temperatures all pumps OFF position Increase max are inoperative Temperature limit of hot water temperature in hot water tank tank too low see Temperature regulation Irrespective of the temp Selector switch in ON1 Set the switch to AUTO collector pump is position position continuosly switched on and after heating pump is inoperative Irrespective of the temp Selector switch in ON2 Set selector
11. heating circuit Used when liquid is discharged from collector system After heating circuit operation switching off with automatic operation of collector circuit Used if after heating circuit is not required Simultaneously press once central and right keys under the display to enter in set up meni 1 Temperature setting in hot water tank 10 90 C On the display appear b and current pre set temperature of hot water tank in our case 55 C With keys T2 in T3 set required temperature Recommendation Set the temperature in hot water tank to least 10 lower value as boiler Li temperature in boiler is set e e e Warning 1 T2 T3 mae If you additionally heat water with heat pump you must limit the water Tmax temperature to 55 C max and connect output from terminal 12 and 14 through temperature safety fuse in hot water tank or through additional safety thermostat When you set the required temperature press key T1 to pass over the next setting 2 Setting of difference of collector circuit 0 15 On the display appear C and current difference of collector circuit factory set to 5K With keys T2 in set required difference ES _I The difference defines the value for which source temperature should e e e exceed the temperature of the user collectors or boiler hot water tank that Ed P the pump is activated It is generally 5K for collectors and 8K fo
12. m 10 to 90 C 2 Regulation of difference for higher exchanger from 2 to 15K after heating circuit 3 Regulation of difference for lower exchanger from 2 to 15K collector circuit 4 Setting two working regimes C n b normal and C d t switching off the limitation of boiler temperature for collector circuit With first two regulation options you define how much the value of the source temperature collector boiler should exceed the temperature of water around the exchanger in hot water tank that the regulator activates the pump or opens the valve The difference is set in relation to the volume of heat losses of the system which depend on lenghts of pipelines from source to hot water tank and on pipeline insulation Built in digital display enables prompt reading of the temperatures of individual sensors and of all set values as well DTC 100 4TD double differential thermostat measures the temperature of two heating sources collectors boiler and of two spots in user hot water tank Heating effect is provided when heating unit heating element in hot water tank exceeds the temperature of the user water in hot water tank for at least 3 5K Consequently minimum adjustable difference is 2K factory set to 5K When the temperature of the source exceeds the temperature around the exchanger for at least 5K the thermostat opens the valve EMV or activates the pump it closes the valve or stops the pump when temperatur
13. ng valve In such a case we recommend to isolate it Connection to terminal pins oe sje Install T2 and T4 sensors to provided place in hot water tank or on hot water tank wall under isolation as contact sensor in upper part of exchanger When sensor is mounted as contact one we recommend to coat it with heat conducting paste or liquid metal T2 T2 2 12 In special purpose vertical or horizontal On hot water tank with clip In special purpose side tube sensor should be protected wire and spring strip use paste ube protect against against accidental extraction for better heat transmission extraction 1 Key for collector temperature display 2 Key for the display of the temperature in lower part of hot water tank Key for boiler temperature displayed Selector switch for manual control Display Control light of collector pump operation Control light of burner operation Control light of after heating pump operation C0 DTC 100 4 TD THERMOSTAT REGULATION The following settings are performed with keys situated under display Maximum temperature in hot water tank Difference of collector circuit Difference of after heating circuit boiler Setting two working regimes C n b and C d t Collector circuit operation switching off with automatic operation of after
14. or installation in boiler or to upstream conduit in front of mixing valve PVC T4 hot water tank sensor with PVC conductor Fixing screws with wall inserts 2 pcs Clip for T4 sensor fastening with fixing springs Instructions for use Warranty certificate In case of these are missing or damaged demand your seller to supply you with a replacement Read these instructions carefully as this will allow you to benefit from all the possibilities offered by this product WARNING All examples listed in the instructions are merely indicative The manufacturer accepts no responsibility for incorrect hydraulic connection of machine part of installation Machine and electric installations should comply with all safety regulations defined by law and the rules We reserve the right to modify the instructions and the technical data of the product without prior notice DTC 100 4 TD GENERAL DTC 100 4TD is a microprocessor aided double differential thermostat designed for heating of domestic water from two heating sources collectors boilers heat pumps using its logic of additional energy source switching on boiler of central heating system The thermostat controls two pumps or two motors actuated ball valves EMV 800 and one burner or electric heating element The thermostat enables regulation of four parameters i e 1 Regulation of maximum temperature in hot water tank fro
15. or valves due to possible water dripping on its housing EXTERNAL CONNECTIONS DTC 100 4 TD ELECTRIC CONNECTION Grounding wires should be connected to special terminal pins situated on right side of terminal strips T1 T2 T3 BOILER 120 Hz 220 240 1 7 8 4 sensor hot water tank sensor upper part of hot water tank neutral conductor 9 neutral conductor WARNING Boiler control should be performed behind the main switch for burner but in front of boiler thermostat Care must be taken that differential thermostat and boiler connection are performed at the same phase otherwise inter phase contact can occur ENSOR INSTALLATION IN COLLECTOR Install it as immersion sensor in For cables longer than 15m we collecting pipe at the top of the recommend over voltage protection collectors in provided sleeve with VDR resistor Connection T piece 1 2 to terminal pins VDR resistor Thermo shrinkable 4 tubes n flow L direction N prx M pipe 1 2 extension sensor conductor L 7 conductor a DTC 100 4 TD SENSOR INSTALLATION IN BOILER Built T3 sensor in a boiler as immersion sensor infront of mixing valve in upstream flow or next to boiler sensor in a sleeve If this is not possible you can mount it as contact sensor in upstream flow in front of mixi
16. r boiler Tmax menu factory setting Of course it depends on lengths and isolation of pipelines If you decrease the difference to O collector circuit is switched off When you set the required temperature press key T1 to pass over the next setting 3 Setting of difference of after heating circuit 0 15 On the display appear P and current difference of collector circuit factory set to 8K With keys T2 in set required difference e e e lf you decrease the difference to 0 after heating circuit is switched off Ti T2 T3 When you set the required temperature press key T1 to pass over the next AT1 AT2 Tmax LR setting DTC 100 4 TD 4 Setting the working regimes C n b and C d t On the display appears signs C n b or C d t B n L d L Regime C n b E Normal state of thermostat Limitations of temperatures valid e e e e e o z Tira qm for collector circuit and after heating circuit This regime must amay 4 be used in systems with heat pump Tmax menu Tmax menu Regime C d t Thermostat heats domestic water from collector circuit irrespective of setting of max temperature in boiler no limitation of max temperature of the boiler for collector circuit Choose that regime in case that you want to use max energy of collector and the crossing temperature of th
17. rs of sensors short circuit interrupted sensor are listed on the display If the sensor is short circuited the display shows Er2 and if itis interrupted Er1 For T4 sensor this is permanently shown and for other sensors you must press T1 T2 or T3 keys If T1 or T2 sensor is faulty collector heating circuit is inoperative and after heating circuit operates normally in automatic mode If T3 or T4 sensor is faulty after heating circuit is inoperative and collector circuit operates normally in automatic mode USE OF SELECTOR SWITCH FOR MANUAL CONTROL ON1 Main heating circuit operates continuously Max temperature is limited AUTO Automatic operation of thermostat normal operation OFF Both pumps are switched off irrespective of temperature values ON2 After heating circuit continuously operates WARNING Max temperatures are not limited ON1 ON2 and OFF positions are used only for operation tests of pumps and mainte nance disconnection of pump operation when charging and venting the system but not during normal operation OFF position does not enable galvanic separation from mains When replacing the pump disconnect supply voltage ON2 OFF AUTO DTC 100 4 TD nnection with lectric motor When conditions for heating of a heating circuit are achieved EMV110 800 series opens afterwards when the valve is opened pump switches on DTC Differential thermostat DTC 100 4TD T1 T2 T3
Download Pdf Manuals
Related Search