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G422-P05 Controller Manual - Hewalex

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1. Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 17 Tap water heating system controlling solar collector pump circulation pump and a heater cooling system diagram no 17 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in diagram no 2 description in point 4 2 Controlling the heater cooling system with the use of the K release valve The K release valve gets open if the T4 temperature of the upper part of the heater reaches the value of the set Max temp T4 for heat source switch off parameter Additionally in order to avoid unstable valve operation when the temperature on the sensor changes switch on and switch off hysteresis has been used 230V V 230V A n T 02 O4 03 Of 220V 516 718 119 21213 3 4 4 5115253 NILINILINI LINL vy 2730V 2 3 m PRIEPL YWOMIERZ ZUJNIKI TEMP Fig 19 Schematic and electrical diagram of installation no 17 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 5 Parameter setting 5 1 Control parameters This option makes it possible to change the value of parameters available in the selected installation scheme In order to
2. HEWALEX USER MANUAL OF AN INDEPENDENT REGULATION BLOCK G 422 P05 Controller of a solar collector system applicable from version 0 1a Contents 1s MOI ONE SS Ci OE ONT secession deeds dacs ath ts bn lia a eS Aas ss cans le dA SAL as Lule dan abcde i boast dan edd mime alee ant 3 2 COMMECHNG SXS ial CE VICES a vsrgonssisaniacpnaseneatoaspivenaionsicvcutscanbectnes vp catosanpscendexbcesoudcomncerbecuntamnixecestaeeianminnscmeantarb eecierpiatnimomuunbeeiunmtaatereimniabiaanmbemmmmnneniianien 3 Dic SWitehing ATAU SIAL LRN ONAL OMG ca thse keh hte ek aetna tna en es hah seats eh lah dace te oboe E dae tee A 4 oeie MICS SWILG ON OL Ure GOL Ole lcs cts suicstashasetcts tateic ate haseiato gancite tap enpatit rte bapa tap rat naan op uname etna nA a art RRR tae RAR aR Ram eS 4 3 2 Controller Keyboard CeSCri OU GM sts iiris iiaa oabuniaabaiatam asin idlaareaanemamoamediidsemoanamamraaneladiids 4 33 15 78 21 e10 s pollo amerne ene Mme N ee ncn ANT e E nme Nene amr ne tar a E E Minera Wr A E anne Sm T Ent Mr ema ee Ue NCC act Meare re 4 4 Installation Schemes SCHEME SCIECHON w crsiacietartsrstrsaniancina tiaeicatan ast tarade a tint tat ait none a inane maaan Rania naan tna a a 5 4 1 Tap water heating system controlling solar collector PUMP ccccccssssssssssssssssscsssssescscscsssssssssssssssssssssssssssssssesesesasesasacacasasasseassesesesesessesesesessseseresetererenseseseses 5 4 2 Tap water heating system control
3. This parameter is related to the T2 sensor located at the heater bottom It defines the maximum allowable temperature of water in the heater measured by the T2 sensor up to which solar collector pumps keep operating Min temp T4 This parameter is related to the T4 sensor located in the upper part of the heater It defines the minimum temperature of water in switch the heater T4 sensor required for switching the circulating pump on This parameter protects the water heater from cooling off circulating pump on completely Max temp T4 Maximum temperature for switching an additional heat source such as boiler electrical heater or a heat pump off This switch parameter is used in advanced schemes Because of the variety of roles it plays in specific schemes the description of its heat source on functions has been included in point 4 for selected external devices only HEA BRAN A parameter only used in diagram no 14 It defines the maximum temperature of water measured by the T4 sensor for the from C boiler operation of C pump cooperating with the circuit of fire place or solid fuel boiler water P solar collector pump circulation adjustment Switching this option on results in smooth changes in collector pump rotational Adjustment of speed When the collector pump rotational speed adjustment option is switched off the controller only distinguishes between rotations of the collector pump being switched on or off collector pumps ATTENTION Sw
4. cooperation with an electronic G 916 flow meter The controller reads the number of impulses and converts it into the real flow liters per minute Nominal flow entry to the nominal flow option results in switching P collector pumps on with maximum efficiency Enter the calculated flow value that results from the number of collectors in the system into the edition field Next set the required flow in such a way that the Current value corresponds to the calculated value entered before The required flow can be obtained by changing pump gear and closing the ball valve Measurement No cooperation a mechanical flow meter rotameter The controller works with declared values e Nominal flow entry to the nominal flow option results in switching P collector pumps on with maximum efficiency this value results from the number of solar collector employed Enter the calculated flow value resulting from the number of collectors in the system in the edition field and set the required flow using the rotameter in the ZPS system The required flow can be obtained by changing pump gear throttling with the rotameter adjustment screw Lower edge of the float defines the real flow value e Minimum flow switching into the minimum flow option results in switching P collector pumps on with minimum efficiency and reducing flow Enter the value read on the rotameter in the edit field Lower edge of the float defines the real flow value ATTENTI
5. description in point 4 1 Controlling the K collector pump The K collector pump will be switched on if the solar collector reaches a temperature of T3 which is hotter by the Difference in T1 T2 collector pump on value than the T2 temperature in the lower part of the heater The pump will remain switched on until the difference in temperatures T1 T3 falls below the set value and the temperature in the heater reaches the set value of Max temp T2 for switching collector pump off Additionally in order to avoid unstable pump operation when the temperature on the temperature sensor changes switch on and switch off hysteresis has been used Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 TRY IJ 2000 M Tt Te TS T o ale Tlalilalale ai3la a 516254 Yu Y Gane 1 2 f 4 CZUINIKI TEMP o4 o3 of 22o N LIN L M L MIL ae CZERWONY PRZEPL YA OMEPZ Fig 17 Schematic and electrical diagram of installation no 15 Source text Translation Przeptywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 16 Double heater system using a three way valve controlling operation of solar collector pumps located in various directions diagram no 16 Controlling P and K collector pumps and the U three way valve Heating with the use of B heater collector is analogical as in the diagram
6. Ea 206 2A o4 om o1 220 ML w t IN OLA Ie 250 Fig 6 Schematic and electrical diagram of installation no 4 Source text Translation Grzatka K Heater K Przekaznik Transmitter Sterownik Controller Przeptywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 5 Tap water heating system controlling solar collector pump circulation pump and a heat pump diagram no 5 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 Controlling heat pump for tap water heating Similarly as for the boiler in diagram no 3 description in point 4 3 The heat pump is switched on by a fault of appropriate connectors inside the heat pump lt E AHV IHN Fi T T2 Ta Te EH oa ot OT aa 5 el7 e 1 1 ala a al4 a SUS25 N L N LIN L N L 2W CZUJNIKI TEMP PACEPL TEGNERE l STYRI ZWIERHE WW POMPIE CIEPLA F Fig 7 Schematic and electrical diagram of installation no 5 Source text Translation Styki zwierne w pompie ciep a K Closing contacts in the heat pump K Czujniki temp Temperature sensor Przep ywomierz Flow meter czerwony red czarny black bia y white 4 6 Tap water heating system controlling solar collector pump circulat
7. blockade is off the K boiler can work simultaneously with the solid fuel boiler ATTENTION Different parameters have been used in the diagram Max temp T4 for switching additional heat source off for heating with the use of an electrical boiler or a liquid fuel boiler and Max temp of water heated by C boiler for heating with the use of a fireplace or a solid fuel boiler for heating water in the upper part of the tank measured by the T4 sensor i 220 MIL Mi LIA LAL A _ Ta T2 13 Ta o oo oo 6 7 8 1 1 2 2 3 3 4 4 61653 EMN CERN CUM TEMP PA FLYWONIERZ STK ZOMERNE CWU W KOTLE F9 A on STEROWNIK Gazz BIW ty HN m Ta 13 Ta 0 Hn0HAHHAANE o4 o3 on 220v 515263 NIL N L N L N L pezeriywowuers CZUJNIKI TEMP E WEJSCIE CAWJNIKA CWU W KOTLE Fig 16 Schematic and electrical diagram of installation no 14 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor Styki zwierne CWU w kotle K Hot tap water closing contacts in the boiler K K wej cie czujnika CWU w kotle K hot tap water sensor input into the boiler czerwony red czarny black bia y white 4 15 Tap water heating system controlling operation of solar collector pumps located in various directions diagram no 15 Controlling the P collector pump Similarly as in diagram no 1
8. calibration it is strictly prohibited to touch the controller keyboard as it may result in abnormal controller operation Current day of the week Current time Antilegionella function switched on Current date day month year Readings of temperature sensors Number of the installation scheme selected 01 03 12 Err Damage or lack of a sensor needed in the T1 60 C selected installation scheme T2 48 C Damage or lack of a sensor not needed in Pump rotational speed range 1 5 T3 50 C the selected installation scheme only when the collector pump is switched on Kx T4 65 C 2350W The following values are displayed when the Rr pump is in operation A ea i steers fa Instantaneous collector power 9 Current heat carrier flow Pump power consumption Fig 2 Description of the basic screen on the LCD display REMARKS Remember to install temperature sensors correctly as described in the selected diagram Change in sensor location might result in irregular operation of the control system When the collector pump is switched off or the T3 sensor on collector return is disconnected dashes appear on the display in place of instantaneous power of the solar collectors The power calculation option is unavailable for the installations no 6 14 15 and 16 When the controller is in regular operation and during the blanking period no key is pressed the LDC screen will be switched off A
9. key cc combination starting point MAIN SCREEN entry ir into the MENU with get to the option named Parameter setting with enter the PARAMETER SETTING menu with gt A _ get to the option named Heat carrier with T Y enter the option named Heat carrier with change values with or i accept and return a continuous sound with EJ return to the main screen with se TIED seis ATTENTION This parameter is needed for correct calculation of solar collector instantaneous power and summing heat energy 5 5 Flow rotameter A parameter connected with heat carrier flow In order to make correct settings Press the following key ci combination starting point MAIN SCREEN enter the MENU with ren get to the option named Parameter setting with enter the PARAMETER SETTING menu with EJ E get to the option named Flow rotameter with T enter the option named Flow rotameter with select the parameter to be changed with or i edit with change values with or i accept a continuous sound with return to the main screen with E a se ies Enter the gear number of the circulation pump to which the pump will be set option Gear which makes it possible to correctly display power consumption of the circulation pump The controller enables cooperation with an electronic flow meter of the G 916 type of a mechanical rotameter Selection of controller operation mode Measurement Yes
10. keys F or to change the required value and press in order to accept it By pressing E you will return to the previous screen ATTENTION The operation scheme presented applies for almost all the controller options 4 Installation schemes scheme selection This option makes it possible to select an appropriate installation scheme necessary for correct operation of the controller In order to select an installation scheme Press the following key combination starting point MAIN SCREEN enter into the MENU aati Select scheme select an appropriate scheme E or it confirm a continuous sound signal return to the main screen 41 Tap water heating system controlling solar collector pump diagram no 1 Controlling the P collector pump P pump rotation adjustment off The P collector pump will be switched on if the T1 solar collector gets hotter by the Difference in T1 T2 collector pump on value than the T2 temperature in the lower part of the heater If the heater temperature reaches to set value of Max temp T2 collector pump off the P pump will be switched off Additionally in order to avoid unstable pump operation when the temperature on the sensor changes switch on and switch off hysteresis has been used Controlling the P collector pump P pump rotation regulation on The P collector pump will be switched on and off in the case described above but the collector changes the rotational speed of the
11. no 15 and has been described in point 4 15 The A heater constitutes another heat recipient If the user set temperature Max temp T2 for switching collector pumps off is reached the controller will automatically start heating water in the A heater This is done by switching the U three way valve into the A heater direction if the T1 solar collector temperature gets higher by the value of Difference in T1 T2 collector pump on than the T4 temperature in boiler A The pump remains switched on until the difference in temperatures T1 T4 falls below the set value and the temperature in the A heater reaches Max temp T4 for switching heat source off When the T4 temperature exceeds the set value the controller switches the valve back into the B heater direction and switched the P collector pump off When water is being heated in the A heater once an hour for 5 minutes the controller forces P collector pump switch off in order to check the conditions for heating the B heater and switch heating back to B heater K collector pumps work analogically ATTENTION Operation of two heaters A and B has been described for priority B If priority A is set the heating plan is the reverse of the one presented above 1Y Jp 1 Fi Ti Te T3 T4 o os o3 on 220v Sle rlelalala 2 a slala AZE NIL N L MIL NIL 2904 arii T bi pores vwowenz CZUJNIKI TEMP Fig 18 Schematic and electrical diagram of installation no 16
12. notte alons arisan TT NN T A A A AR R cama ena gncaeA REI 15 13 Information on marking and collecting used electrical and electronic equipment cccsesesesesessssssesescscssssssssssscscscseessassssssceseusesasasasececscsusesasasesesecensseeeasasasassneceeetaeasenes 15 VAs NOIE Siiran aeeiiaii iteig eiior eina ieaiai 16 1 Controller description The G422 P05 controller is a device designed and made for controlling solar collector systems The product has been made with the use of modern and reliable microprocessor technology Design of the controller is modern and the controller itself is very user friendly thanks to the use of a user panel with a clear keyboard and an LCD display An extensive basic option pack makes the controller extremely practical which is certainly of an advantage These options include multiple system configurations displaying system diagram and animation of the working devices protecting the pump against damage resulting from lack of flow adjusting efficiency of the solar collector pump possibility of controlling manually all the devices connected to the controller calculating instantaneous power of a collector and summing up all the energy procured by solar collectors in built real time clock controller memory after switching off the voltage protection against freezing and overheating of solar collectors the possibility of switching on night time cooling and vacation option switching off the LDC displa
13. of servo position A or B accept the value with EJ _ return to the main screen with z cee ATTENTION Exiting the Control option results in returning to automatic operation regardless of the settings done 8 Cooling this option is only available for flat solar collectors This option makes it possible to cool the tap water heater by switching the solar collector pumps off in a specific time interval starting at 0 00 to the time set in the End of cooling time parameter The cooling option will be active if cooling is on Night cooling Yes and the T2 temperature in the heater is higher or equal to the set Cooling switch on temperature parameter Cooling will remain active until the heater gets cooler to the Cooling switch off temperature or until the set time interval ends When the collectors are being cooled only the P collector pump operates All the additional devices connected to the controller are switched off In order to switch cooling on Press the following key combination starting point MAIN SCREEN enter the MENU with an 1 get to the option n named Cooling with T enter the option named Cooling with select parameters with Or i ditl change values with or i accept values with return to the main screen with AE ET Ag 9 Collector power and energy meters The controller has an in built module for saving mean collector power and energy generated by the collectors The contro
14. point 4 1 Controlling the U three way valve Once the T2 temperature in the A heat buffer exceeds the T4 temperature for agent return from the central heating system by a value higher than Difference in temperature for switching additional pump valve on the three way valve directs the agent return of the central heating installation to the A buffer Else agent return is always directed to the B boiler return TSW 23N 2N EN 516353 Fi _ TI T2 T3 T4 s 6 7 elala 2l2 9 alae ae 12 3 4 preeptywouens CZUJMIKI TEMP oa oa on 2a AIL MIL INL NIL 2a04 U B Fig 15 Schematic and electrical diagram of installation no 7 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 14 System for heating a combi heater with solar collector an electrical boiler or liquid fuel boiler and a solid fuel boiler diagram no 14 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the K boiler Similarly as in diagram no 3 description in point 4 3 Controlling the C solid fuel boiler pump Similarly as in diagram no 6 in the diagram 6 the pump is marked K description in point 4 6 Moreover C pump operation results in switching the K boiler off if the option K boiler blockade when C boiler switch on is on in control parameters If the
15. ON If there is no flow after switching to the minimum flow option increase pump gear wy tlajmuse pompy miax nsin minimalny nominabny siai hi Fig 20 Graphical representation of flow settings Source text Translation Wydajno pompy Pump efficiency Minimalny Minimum Nominalny Nominal Przep yw Flow The flow values set define the above described flow characteristics for calculating solar collector pump with variable rotations of P solar collector pump ATTENTION Nominal and minimum flow settings are only relevant when P collector pump adjustment is switched on When this adjustment option is switched off it is only the nominal flow that counts 5 6 Factory settings There are optimal factory settings pre programmed in the controller for correct controller operation List of factory settings values table 2 In order to restore the controller to factory settings Press the following key combination start MAIN SCREEN enter the MENU with aren get to the option named Parameter r setting with enter the PARAMETER SETTING menu with get to the option 1 named Factory settings with T enter the option named Factory settings with restore to factory settings and return with LO return to the main screen with e L T 6 Controller setting 6 1 Date and time This option makes it possible to set current date and time In order to change date or time Press the f
16. P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 Controlling the K mixing pump The K mixing pump will be switched on if the T2 temperature at the collector heater gets higher by the Difference in temperatures for switching additional pump valve on value than the T4 temperature in the boiler heater The pump will remain switched on until the difference in temperatures T2 T4 falls below the set value and the temperature in the boiler heater reaches the set allowable value of Max temp T4 for switching additional heat source off EW IHW 2 DW A n Coa oal o3 on 220 5 a 7 8 1 1 2 2 3 3 4 4 515283 NIL M CIM L MIL Gail raze rwowees CZUJNIKI TEMP Fig 9 Schematic and electrical diagram of installation no 7 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 48 Double heater system makes it possible to provide additional solar energy heating for the boiler heater with the use of a circulation return diagram no 8 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 Controlling the U three way valve The three way valve will
17. P collector pump depending on the difference in temperature T1 T2 and the set parameter Temperature difference T1 T2 collector pump on This option makes it possible to effectively collect energy from the collectors with changeable solar radiation ATTENTION Temperature sensors that can be connected to the controller but that are not required for correct controller operation for a given installation scheme have been marked with dashed lines in all of the diagrams TORY lt 2 2w STEROWMIR G47 Fi O MTE 3 TA o o o3 o za sjelen meea NI LINILINILINIL z 23 Y U a Gii 4 2 3 4 pazercrwomienz COUdNIRI TEMP Source text Translation Sterownik Controller Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white Fig 3 Schematic and electrical diagram of installation no 1 4 2 Tap water heating system controlling solar collector pump and a circulation pump diagram no 2 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump The C circulation pump is only switched on in the time programmed by the user in the C time program option to be found in the Parameter settings menu The C pump can work in two modes continuous and interrupted 10 minutes on 10 minutes off Pump operation mode can be selected in the Control parameters op
18. Sana E ATTENTION Time intervals are divided into 24h operation periods settings for each hour are selected separately by marking it with a white square The number of squares marks the number of operation hours Week days have been divided into three groups Monday Friday Mo Fr Saturday Sat Sunday Sun 5 3 Time program K This option allows for setting a time program in which a device marked by K boiler electrical heat heat pump in a given diagram will be working In order to set or change the K time program of devices Press the following key c combination starting point MAIN SCREEN enter the MENU with ae get to the option named Parameter setting with enter the PARAMETER SETTING menu with get to the option named Time program K with T enter the option na named Time program K with select time with or i accept operation time white square or cancel operation time with EJ accept and return a continuous sound with return to the main screen with 25 ss i ATTENTION Hourly setting of K are identical to those of the Time program C 5 4 Heat carrier A parameter connected with liquid specific heat it corresponds to a given solidification temperature of a heat carrier In order to define this parameter read liquid solidification temperature from the package or contact the seller In order to set or change the solidification temperature of the liquid used Press the following
19. aged a cable gets broken a sensor gets disconnected the controller will raise sensor alarm During an alarm all the outputs are disconnected Moreover when the controller displays the main screen the alarm might be signaled by sound In the alarm mode it is possible to browse the menu configure parameters or manually control external devices Information on which sensor raises alarm is available on the main screen Next to the sensor marking Err will be displayed instead of temperature If the controller raises sensor alarm it should be checked whether the system has been assembled correctly the sensor have been correctly connected and whether the temperature system is not damaged When a sensor that is not necessary for controlling is not connected t the controller the controller will not raise an alarm and the display will show dashes instead of temperature Lack of required flow The controller checks heat carrier flow option of cooperation with an electronic G 916 flow meter switched on the flow rotameter option Measurement Yes Lack of flow is controlled in two steps e 1st step when there is no flow for 20 seconds the controller generates a sound and displays the following message LACK OF REQUIRED FLOW CHECK AND ADJUST Once you accept the message with the key the message will disappear and the sound will no longer be emitted e 2nd step when there is no flow for 5 minutes the controller swit
20. alls below the set value and the temperature in the pool reaches the set value of Max temp T4 for switching additional heat source off When the T4 temperature exceeds the set value the controller will switch the K collector pump and C pool pump off When the collectors heat the water in the A pool the controller will force the collector pump to switch off once an hour for 5 minutes in order to check the conditions for heating the B heater and switch heating back to B heater testing active if the B heater is underheated ATTENTION Heating the B heater and water in the A pool has been described for priority B If priority A is set the heating plan is the reverse of the one presented above Controlling pool pump Similarly as in diagram no 9 description in point 4 9 E A A A Ti T2 13 Ta oz oa 03 o 220 5 8l7 1l1 zl2 3 3lal4 AE TROD pereptywouerz CZUJNIKI TEMP Fig 12 Schematic and electrical diagram of installation no 10 Source text Translation Przeptywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 11 Double heater system with the use of a three way valve controlling operation of the circulation pump diagram no 11 Controlling collector pump and U three way valve Similarly as in diagram no 9 as described in point 4 9 The A heater plays the role of A pool in the described diagram Controlling the C circulation pump S
21. be switched into the B heater direction if the T2 temperature at the collector heater gets higher by the Difference in temperatures for switching additional pump valve on value than the T4 temperature in the circulation return The valve will switch into the direction of B heater if the difference in temperatures T2 T4 falls below the set value Else circulation return will always be directed to the A boiler heater IHW 2u 20 od oa o1 220v NILINIL N LIN L Fi Ti T2 T3 Ta 02 5lel7lsl ililal2 3a l4 4 51253 ii yoy Fo Uh ri CZUJNIKI TEMP 5 A gt gt j PRZEPL YAOI ERS 2904 CERRO Fig 10 Schematic and electrical diagram of installation no 8 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 9 Tap and pool water heating with the use of a three way valve controlling operation of the pool water pump diagram no 9 Controlling collector pump and U three way valve Heating with the use of B heater collector is analogical as in the diagram no 1 and has been described in point 4 1 The A pool constitutes yet another heat recipient If conditions do not allow for heating the B heater or the Max temp T2 for switching collector pump off set by the user has been reached the controller will automatically start heating water in the A pool This happens once the U th
22. change parameters Press the he following key combination starting point MAIN SCREEN entry into the MENU vrs get to the option named Parameter settings enter the PARAMETER SETTING A menu EJ get to the Control parameters option EJ choose appropriate parameters Or i edit change values E or i accept values 2 a continuous sound p ie oele signal return to the main screen re see REMARKS Description of all the available parameters can be found in table 2 page 14 The display shows current option level and the controller values with the use of the Y and A cursors The down cursor shows that there following parameter applies whereas the up cursor A indicates that the previous parameter applies 5 2 Time program C This option allows for setting a time program in which a device marked by C circulation pump pool pump in a given diagram will be working In order to set or change the C time program of devices Press the following key c combination starting point MAIN SCREEN enter the MENU with es get to the option named Parameter setting with enter the PARAMETER SETTING menu with E3 get to the option named Time program C with enter the option named Time program C with E3 select time with or 4 accept operation time white square or cancel operation time with accept and return a continuous sound with a return to the main screen with ES
23. ches solar collector pump off and displays the following message NO FLOW PUMP DAMAGE AIR LOCKED INSTALLATION BLOCKED FLOW Once the user accepts this message with thel key the solar collector pump will be switched on again If there still is no flow the alarm will go on in cycles Measurement No Lack of flow is controlled in two steps e 1st step If for 5 minutes of collector pump operation the differenceT1 T3 gt 30 C the controller will generate a sound and display the following message LACK OF REQUIRED FLOW CHECK AND ADJUST Once you approve it with the key the message will disappear and the sound will no longer be emitted e 2nd step If for the next 5 minutes of collector pump operation the differenceT1 T3 gt 50 C the controller will generate a sound switch collector pump off and display the following message NO FLOW PUMP DAMAGE AIR LOCKED INSTALLATION BLOCKED FLOW Once the user accepts this message with the key the solar collector pump will be switched on again If there still is no flow the alarm will go on in cycles 13 Information on marking and collecting used electrical and electronic equipment A symbol found on the product or its packaging points to the necessity of separate collection of used electronic equipment This means that the product most not be thrown away together with other household waste Correct disposal of old and used electrical equipment may help to avoid potential damage to t
24. eater If the conditions are not suitable for heating the pool priority or an additional heater heating is switched to the solar heater Selecting B results in setting priority heating to the solar heater If selection the conditions are not suitable for the solar heater heating is switched to the pool or an additional heater A and B letter connected with three way valve outlets The parameter is only used in schemes 3 4 and 14 Switching the Protection against Legionella bacteria function on results in periodical once a week in the Sunday Monday night at 0 00 heating of water in the heater up to 70 C Once the option is switched on the controller main screen shows Lu For this purpose the boiler or K electrical heater and the C circulating pump are switched on Protection against Legionella bacteria K boiler operation blockade through C boiler switch on A parameter only used in diagram no 14 Switching on the K boiler operation blockade by C boiler switch on function results in switching off the K boiler if the C fire place or solid fuel boiler operates Table 3 Controller parameter description Continuous 100 3000W 1500W pm fe pape Factory settings o C S 5 C 6 e interrupted MIGIURIER 1 N 80 C 0 O 0 0 12 Error alarms and controller notifications Temperature sensor error The controller checks whether temperature sensors have been connected If a temperature sensor gets dam
25. ergy counter This counter sums all the generated energy Statistics and total counter can be cleared any time The clearing option can be found in the energy counters menu and is available separately for the total counter and the statistics In order to view or clear energy counters select the Energy counters option In order to do this Cm a oe os Press the following key combination starting point MAIN SCREEN enter the MENU with ws get to the option named Energy counters with FF FF enter the Energy c counters option with EJ select the option with Or i enter the options wi with select time intervals day week month year with Or i accept the interval with E3 which results in displaying a graph return to the main screen with DE DE rem oe ae REMARKS A change in date may result in distorting the chronology of recorded events For the statistics counters to work correctly it is necessary to clear them after each date change It is not necessary to clear the total counter after a date change 10 Vacation function this option is only available when choosing diagrams no 3 4 5 This option makes it possible to switch off additional heating devices connected to the controller in the active time interval declared by the user Moreover the vacation function results in switching on the night cooling option and protection against collector overheating Active vacation option is signaled b
26. fter pressing any key on the keyboard the LDC back light will switch on for the blanking period set Screen blanking aims at limiting energy consumption 3 2 Controller keyboard description The controller has a touch keyboard with 7 keys which call the following functions nm we switching the controller on into regular operation or switching it off into the stand by mode ron entry into the controller MENU from the main screen level we address and phone number of the HEWALEX company canceling all the controller operations or return to the previous screen EJ conforming all the controller operations or moving to the next screen selection of all the controller options down or change reduction of all the values available for the controller i selection of all the controller options up or change increase of all the values available for the controller ATTENTION Excessive dirt on the display and the keyboard might result in irregular key operation 3 3 Controller operation If the controller has been switched into regular operation mode you can access the main controller MENU by pressing the key Navigation keys E or sit serve the purpose of selecting some options Then you can enter the selected option by pressing the key In order to edit controller parameters use navigation keys E or Ml to select a given parameter and press to confirm parameter editing the values will flash Then use navigation
27. he environment and human health A user who should give the used equipment to a collector should be responsible for separate collection of used electronic equipment 14 Notes
28. imilarly as in scheme no 2 description in point 4 2 TH 18 180 Fi TI T2 T3 14 _O2 o4 o3 ot z2 s6 7 8 13 1 2 2 4 dl4 615263 ML ALIN L NIL 2004 U Pi cip r pazepr womens CZUNIKI TEMP Fig 13 Schematic and electrical diagram of installation no 11 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 12 Double heater system with the use of an additional pump controlling operation of the circulation pump diagram no 11 Controlling P and K collector pumps Similarly as in diagram no 9 as described in point 4 9 The A heater plays the role of A pool in the described diagram Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 4 200 2I0 210V Fi Ti Tz T3 Ta o2 Ga 03 Of zaw SG FBT Ti 22 34 3 4 4 3152353 HiL NiL WIL NL r C m k 230 CZUJNIKI TEMP PRZEPL TAE RS Fig 14 Schematic and electrical diagram of installation no 12 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 13 The system makes it possible for the collectors to cooperate with the buffer tank used for cooperation with the central heating installation diagram no 13 Controlling the P collector pump Similarly as in diagram no 1 description in
29. ion pump a fireplace pump or a solid fuel boiler pump diagram no 6 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 Controlling K boiler pump The K boiler pump will be switched on if the T3 temperature at the boiler outlet gets higher by the Difference in temperature for switching additional pump valve on value than the T4 temperature in the upper part of the heater The pump will remain switched on until the difference in temperatures T3 T4 falls below the set value and the temperature in the heater reaches the set value of Max temp T4 for switching additional heat source off Moreover K pump operation is limited by the Min temp T3 for switching boiler pump on parameter If the T3 temperature at boiler outlet is lower than the set parameter value the K pump remains off lt E AMW 130 Fa TiTa T3 Ta 2 os oa or 220 Flali ij2 2 a sl4 a E53 N L N L N L N L pnr ywoaeer CZUJNIKI TEMP Fig 8 Schematic and electrical diagram of installation no 6 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 7 Double heater system makes it possible to provide additional solar energy for the boiler heater with the use of a mixing pump diagram no 7 Controlling the
30. itching the pump rotational speed adjustment option on might result in increasing the noise emitted by P collector pump operation which should be considered normal Circulation pump operation option This option only refers to schemes with tap water circulating pump connected This parameter defines C circulating pump operation in the time set in Time program C option Continuous C circulating pump works in the continuous mode Interr interrupted the C circulating pump operates in cycles 10 minutes on 10 minutes off Circulation pump operation mode A parameter used in installation diagrams 3 4 5 and 14 The controller forces additional heating devices boiler heater heat pump to switch off once the set collector power parameter is exceeded In order to eliminate excessive frequency of cyclic switching on off of heating devices in temporary changeable insolation conditions the controller accounts for a 10 minute delay in switch off and switch on of heating devices Collector power boiler heater heat pump switch off This parameter defines switch on and switch off of the option protecting solar collectors from overheating Protection against If this option is switched on P solar collector pump gets switched off once the collector temperature exceeds 110 C Once the collector collector temperature falls below 100 C or once the T2 heater temperature Max temp T2 switch off protection against overheating collector ove
31. ling solar collector pump and circulation PUMP cccsssscecscecscssesesessscsescscscscscscscececesesecscasacacacacacacasasacaceeeeeeeeseeeeescecsneteceteses 5 4 3 Tap water heating system controlling solar collector pump circulation pump and a DOMED eececececesesesesesesescscsescscecececscseecacesacacacacacaceeecesseeeeseeseeescensceteteteses 5 4 4 Tap water heating system controlling solar collector pump circulation pump and an electric NEALE cece ccesesesesescseseeeseseseeesescscsessecseecseseeeeesesestststeteeetees 6 4 5 Tap water heating system controlling solar collector pump circulation PUMP and a heat PUMP ceeecccesesescscsesesessseseecscssseesseassceeacseaeaeeeseseeeesesesnsesestsceteeeteses 6 4 6 Tap water heating system controlling solar collector pump circulation pump and a solid fuel boiler PUMP cecesestssesesesesecssssssssscscseseessesssssscscscseeeeeseseseseeees T 4 7 Double heater system makes it possible to provide additional solar energy heating for the boiler heater with the use of a MIXING PUMP ccceceeeeeeeseees 7 4 8 Double heater system makes it possible to provide additional solar energy heating for the boiler heater with the use of a Circulation return ceceeeseeeees T 4 9 Tap and pool water heating with the use of a three way valve controlling operation of the pool water PUMP s ss1ssrsrissrrsressrnsrrsrinsrerrssnnnrrerinsnnnrrnsnnnrennreneenne 7 4 10 Tap a
32. ller makes it possible to save and read power and energy statistics for the following time intervals statistics for the lat 60 days starting from the date currently set in the controller weekly statistics for the last 20 weeks monthly statistics for the last 12 months yearly statistics for the last 10 years Moreover for the daily weekly monthly and yearly statistics there is a possibility of graphical editing of time intervals with the use of bar diagrams for daily statistics it is possible to edit the hourly distribution of mean collector power and energy for weekly statistics it is possible to graphically edit the mean power and energy for specific days in the Monday Sunday interval for monthly statistics it is possible to edit the mean power and energy for specific days Editing interval depends on the number of days in a viewed month for yearly statistics it is possible to edit the mean power and energy for specific months in a given year in the January December interval When a graphical representation of bar diagrams is being prepared the largest value presented in a given interval appears in the left upper corner of the screen and the height of each bar will be scaled according to this value Moreover the right upper corner features date of the recording Geco 422 P05 SOLAR CONTROLLER 3 415 kWh 06 08 11 Fig 21 Graphical representation of thermal energy In the energy count menu there also is a total en
33. nd pool water heating with the use of an additional valve controlling operation of the pool water pump cecsssesesssesscsssssssescseseeesssesssstscssseeeeseseseeeeees 8 4 11 Double heater system with the use of a three way valve controlling operation of the Circulation PUMP c cccccsessscssssssescsssssessssesssscscseeseasasssesscsceeeeeeaseseneees 8 4 12 Double heater system with the use of an additional pump controlling operation of the Circulation PUMP ccccccsesecssssesescscsssssssssssscscseesessssssssscscseeeeseseseseees 8 4 13 System making it possible for the collectors to cooperate with the buffer tank used for cooperation with the central heating installation cccccsseeeeseseees 9 4 14 The system for heating a combi heater with solar collector an electrical boiler or liquid fuel boiler and a solid fuel DOI CF ceeceesesesectsstssesesesseeeeseesesseseees 9 4 15 Tap water heating system controlling operation of solar collector pumps located in various directions cccccsesecsssssssescsesessssssssssscscseeeeesssesscscscseeeeesaseseesees 10 4 16 Double heater system using a three way valve controlling operation of solar collector pumps located in various directions ccceesesessssssssssesesssteeseesesseseees 10 4 17 Tap water heating system controlling solar collector pump circulation pump and a heater cooling SYStOM ccccceseesssssestesesctsseeseseeeensesesesesesceteteteeetes 10 9 Farameter Se
34. nput red conduit black conduit white conduit Table 1 Controller inputs and outputs description When connecting any devices to controller outputs you need to remember that the outputs marked O1 and O3 are voltage outputs to which external devices can be connected directly The O2 output is a no voltage one and it must be connected in series between the power source and the external device REMARKS If a power cord gets damaged it should be substituted with another one A description of a way of connecting devices to the controller for specific installation schemes can be found in point 4 Installation diagrams 3 Switching on and using the controller 3 1 First switch on of the controller Upon connecting the controller to a power source it will be switched on in the stand by mode and a diode will get lit In this mode the LCD display gets slightly back lit and the current controller software version appears on the screen When the controller is in the stand by mode you can switch it off with the button During regular controller operation it is always possible to get it back into the stand by mode by pressing the v button In the standby mode all the inputs and sound alarms are switched off Full description of the messages displayed on the controller screen has been presented in figure 2 ATTENTION With the first switch on of the controller in a regular operation mode_the keyboard and temperature sensors will get calibrated During
35. ollowing key combination starting point MAIN SCREEN enter the MENU with vest get to the option named Controller settings with T enter the CONTROLLER SETTINGS menu with EJ get to the p named Date and time with l choose appropriate parameters with change values with or i accept values with EJ a leave the option named Date and time with E or use thel key to run through all the parameters return to the main screen with anh 6 2 Display This option allows you to set brightness and back light time for the display In order to change parameters Press the following key combination starting point MAIN SCREEN enter the MENU with vrs a get to the ihe option named Controller settings with enter the CONTROLLER SETTINGS menu with E3 get to the option named Display with enter the Display option with EJ choose o parameters with or d edit with EJ change values with or i accept values with a continuous sound signal return to the main screen with 22 da E ai ss 6 3 Sounds This options allows to switch sound signals for controller key and controller alarms on and off In order to change parameters Press the following key cor combination starting point MAIN SCREEN enter the MENU with ws af get to the option named Controller settings with TF enter the CONTROLLER SETTINGS menu wih get to the option named Sounds with enter the Sound
36. ool water circuit can get damaged In order to protect the exchanger against lack of heat collection by the pool pump a clamp on T4 sensor should be installed 00 PA Ti L M JMT o O4 03 01 2an sjel eana eea NILINILIN LINIL CZUJHIKI TEMP j i PRZEPLYAOHERZ Fig 11 Schematic and electrical diagram of installation no 9 Source text Translation Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 10 Tap and pool water heating with the use of an additional pump controlling operation of the pool water pump diagram no 10 Controlling P collector pump for heating the heater and K collector pump for heating the pool exchanger Heating with the use of B heater collector is analogical as in the diagram no 1 and has been described in point 4 1 The A pool constitutes yet another heat recipient If conditions do not allow for heating the B heater or if Max temp T2 for switching collector pump off set by the user has been reached the controller will automatically start heating water in the A pool This happens by switching the P pump off and the K collector pump and the C pool pump on if the solar collector T1 temperature gets higher by the value of Difference in temperature for switching additional pump valve on than the T4 temperature of water in the pool The pumps will remain switched on until the difference in temperatures T1 T4 f
37. ower is higher than the Collector power boiler heater heat pump switch off value set in control parameters ATTENTION Connecting the T3 sensor is necessary for calculating collector instantaneous power Tap water boiler can be controlled in two ways 1 Switching the boiler on with a fault of appropriate contacts inside the boiler 2 Switching the boiler on with temperature sensor input in the boiler by simulation of appropriately selected resistors corresponding to boiler switch on and switch off temperatures An example of a table of resistances depending on the manufacturer of a given boiler has been presented in the table below ATTENTION The original tap water temperature sensor remains disconnected Sample R1 resistor kQ R2 resistor kQ Sample boiler manufacturer Temp 20 30 C Temp 70 80 C boiler manufacturer R1 resistor kQ R2 resistor kQ Temp 20 30 C Temp 70 80 C PA 12 0 18 0 1 5 2 0 10 0 14 8 19 24 Ariston 8 0 12 0 15 2 0 Stiebel Eltron 10 0 15 0 10 15 9 0 14 0 1 8 2 0 10 0 11 0 1 4 18 Brotje Heizung 8 0 12 5 1 2 1 7 Vaillant 3 5 3 3 0 4 0 6 8 0 12 6 12247 9 0 15 0 15 18 De Dietrich 10 0 15 0 1 8 2 3 5 0 7 0 1 8 2 6 Fero 8 0 12 5 I O Table 2 Resistor resistance for selected boiler manufacturers Fi iT Ap th oe e eli t2 2 a a 4 4 PRZEPLTAONIERZ Fi TH aR T E ee ee ee STEROWMIK Gaza Ei TO E3 U4 O32 Of o
38. ree way valve gets switched into the A pool direction if the T1 temperature of the solar collector gets higher by the Difference in temperature for switching additional pump valve on than the T4 temperature of water in the pool The pump will remain switched on until the difference in temperatures 11 14 falls below the set value and the temperature in the pool reaches the set value of Max temp T4 for switching additional heat source off When the T4 temperature reaches the set value the controller will switch the U valve back into the B heater direction and will switch the collector pump off When the collectors heat the water in the A pool the controller will force the collector pump to switch off once an hour for 5 minutes in order to check the conditions for heating the B heater and switch heating back to B heater testing active if the B heater is underheated ATTENTION Heating the B heater and water in the A pool has been described for priority B If priority A is set the heating plan is the reverse of the one presented above Controlling pool pump The C pool pump is switched on in the time programmed by the use in the C time program option to be found in the Parameter settings menu The C pool pump is always switched on when pool water is heated with solar collectors ATTENTION If the C pool pump is switched off when the solar collector pump is working and the U valve is set to the pool the pipe system of the p
39. rheating the P collector pump gets switched off This function works even if the maximum water temperature Max temp T2 switch off collector pump in the heater is exceeded Max temp T2 switch off protection The parameter defines maximum temperature of water in the heater up to which collector pumps keep working when the option against collector Protection against collector overheating is active overheating The parameter is used in those countries in which water serves as heat carrier in solar collectors This parameter defines switch on and switch off of the option protecting solar collectors from freezing If this function is switched on the P solar collector pump gets switched on once the temperature in the water heater as measured by the T2 sensor is higher than 7 C and the temperature on collectors falls below the temperature set in the Heat carrier option Once the temperature of water in the heater falls to 4 C or the temperature on collectors exceeds the temperature set in the Heat carrier option the solar collector pump switches off ATTENTION Original heat carrier with no water added does not freeze so it is not necessary to use the Protection against collector freezing option Protection against collector freezing This parameter defines the selection of heating priority in double heat recipient schemes e g heater pool Heating Selecting A results in setting priority heating to the pool or additional h
40. s option with choose appropriate parameters with Or i edit with gt change values with F or i accept values with continuous sound signal return to the main screen with rem oe rem cee chs 6 4 Language This option allows you to chose one of the available language versions for the controller In order to change language Press the following key combination starting point MAIN SCREEN enter the MENU with vrs 5 get to the option named Controller settings with enter the CONTROLLER SETTINGS menu with EJ get to the option ne named Language with enter the Language option vin choose the appropriate language version with F or accept and leave the Language option with E3 _ a continuous sound signal return to the main screen with f Language versions available Polish English German French Portuguese Spanish Dutch Italian Czech Slovak Romanian 7 Manual control This option makes it possible to manually switch all the devices in a given installation scheme on In order to switch devices on Press the following key co combination starting point MAIN SCREEN enter the MENU with es get to the option named Manual control with T Y enter the option named Manual control with EJ chose a device to be switched on with or i edit with EJ switch the device on with Or i the word ZA in the case of a three way valve m mm selection
41. ting Pee Renee Terr reper rrr retreat ern Tn rr Tent rrr E 11 S1 Gontro parameters siteisiin a a aia cehieinveakvectiealacaiaa a daeebiaainsinidieaiuaieaicdmstaumioandueatnaitatiade 11 32 ime progran ves Dictate a E E ata pe E A A A A E A nde AAEE E E E ema des 11 g MA OA a A 11 54 Heat came sennen A A EAE EEE ETE EA EEEE E EE ee 11 id Te OW Ola E a T T T E TETN AT T N 11 Moa EACONSEtIN ee Nt S 12 0 Controler SEMIN s scssccrtucctseniecmsetuctieeiunaniaaantenservodsanemaiiaauniidaiatoniendicamunsaiaunnancdbmabuniiAieRambaMAaaNm mmm a AEAT 12 Gaie Date aNd UME eaa ce ng CU a CR eT em ee TT ee ee errr 12 chy Aa Dis 0 2h ear aen ne me mneen aren err MERC N 12 0o SSOLIMGS aicise inienn anien anai aa aaa ea eeaeee aeaea RUNNER aaa RAR 12 0A arean g ena a intr cutuatactnabacue sania ckocune ss chet iam teapep uc ene lence aa daes phan man decane uRa eae miata pe ate Ai pata mi na pea ae meio nea pate aaaeatinte 12 A Maa 6 9 9 110 emer ere eer ermrern rec rrr rm crrcrrt eet irarer pare srerrmern cert trria freien N 12 ie COMING E E cent E can evececaeuvestine aul cuanto techie aah E weve catia E E E EE EEE E 13 9 SENET UI Ul a E A ie E E E AA EAE E OA A EA OE ea dato eID aeteeaele 13 10 Vaca ie qua 9 0 nenn a N 13 11 Description of control parameters parameter SOtUIMGS j ssvecsucsawstsisanesasecancoscaceaneisseracsdscshvevudevasucicdcnicaesteadcads saacensesasuciauaaatcarueeh oa ueiueruaiiauaniaue manana 14 1 Enoralaime and contoler
42. tion Moreover C pump operation is limited by T4 temperature in the upper part of the heater if the T4 temperature is lower than the set value of Min T4 temperature for switching circulation pump on parameter the circulation pump remains switched off STEROWNIK Gare FI Ti CADRWUHT arg 1 PRZEPLYWowieRZ CZUJNIKI TEMP Fig 4 Schematic and electrical diagram of installation no 2 4 3 Tap water heating system controlling solar collector pump circulation pump and a boiler diagram no 3 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 K boiler control for tap water heating The K boiler is only switched on for water heating in the time programmed in the K time program option to be found in the Parameter settings menu The boiler will switch off if the temperature of the upper part of the T4 heater is lower than the set Max temp T4 for heat source switch off If the temperature of water in the T4 heater reaches to set value of Max temp T4 heat source off the boiler will be switched off Additionally the controller makes it possible to make boiler operation independent of the solar collectors Boiler Ty 3 A Tz S e 7lelili 2l2i3 slala o4 og o zn WIL MILIN LONIL U y ZMW may be switched off if the calculated collector p
43. v NIL N L N LIN L 2a STYE ZWIERNE CWU W ROTLE 0 INW EIV LHW oa oa or 22w N L N L NLN AA PIEPER CZUJKI TEMP E WEJSCIE CAUJNEA CHU W KOTLE Fig 5 Schematic and electrical diagram of installation no 3 Source text Translation Styki zwierne CWU w kotle K Hot tap water closing contact in the boiler K K wejscie czujnika CWU w kotle K hot tap water sensor input in the boiler Sterownik Controller Przep ywomierz Flow meter Czujniki temp Temperature sensor czerwony red czarny black bia y white 4 4 Tap water heating system controlling solar collector pump circulation pump and an electrical heater diagram no 4 Controlling the P collector pump Similarly as in diagram no 1 description in point 4 1 Controlling the C circulation pump Similarly as in scheme no 2 description in point 4 2 Controlling electrical heater for tap water heating Similarly as for the boiler in diagram no 3 description in point 4 3 The heater is switched on indirectly by passing voltage to transmitter coil which leads to a fault of appropriate connectors inside such a transmitter ATTENTION An additional transmitter adjusted to the power consumption of the electrical heater is needed to switch the heater on STEROWME Gazz PRZEPLY SOMERS GRZALKA FE Fi Ti T2 elel7Tlelijalzizi3 glala 515253 CZUIRIE TEMF
44. y a word URLOP flashing on the main controller screen together with a diagram 11 Description of control parameters parameter settings The parameter makes it possible to select solar collector type flat or tube Solar If a tube collector is selected then between 8 00 17 00 every full hour the collector pump is switched on for a minute Because collector of the fact that temperature sensors are located at the bottom of the collector in case of extremely low ambient temperatures the type temperature inside the collector might deviate from the temperature indicated by the sensor If the T1 sensor reaches a temperature required for system operation the P pump will continue operating Difference in temperatures T1 T2 switch collector pumps on Difference in temperatures switch additional pump valve on Max temp T2 switch collector pumps on Min temp T3 switch A parameter used in diagrams 6 and 14 It defines the minimum boiler temperature T3 sensor for switching boiler pump on boiler pump on This parameter defines the conditions for switching the collector pump on and off If the T1 temperature is higher than the sum of the Difference in temperatures T1 T2 switch on collector pump parameter and the T2 temperature of water in the heater the collector pump will be switched on This parameter is used for controlling advanced systems and therefore its description has been included in point 7 only for selected external devices
45. y in order to minimize energy consumption Moreover the controller includes a range of functions facilitating its operation Clear menu Graphical representation of time intervals Choice between various language versions Quick and easy configuration of control parameters 2 Connecting external devices The G422 P05 controller has been equipped in 4 inputs making it possible to connect temperature sensors of the NTC10kQ type three inputs for connecting external devices pumps or three way valves depending on the installation scheme chosen and an electronic G 916 flow meter Graphical representation of outputs and inputs has been presented in figure 1 whereas descriptions of controller inputs and outputs have been presented in table 1 or oa oa i ae jeje LIMP LIM LA Fig 1 Controller inputs and outputs 220V Connection to 230V 50Hz mains 01 Main pump input Maximum current intensity 3 15A Transmitter output no voltage output relay Maximum current intensity 8A 02 1 S2 NC normally closed 2 S3 NO normally open Transmitter output no voltage output relay Maximum current intensity 8A Mains voltage output 230V bridged within the controller This output can be bridged outside with the input of the O2 relay which results in the possibility of switching on the power supply for controlling e g the three way valve T1 T2 T3 T4 Temperature sensor inputs NTC10kQ G 916 Flow meter i

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