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Air-conditioning controller

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2. anti jamming function for pumps automatic MOMS xs 5 s se 2ccscasecevas sak ttanicneesqaschis bisdeseaseneccussaadasasscplenascdiaanas cacausdenadsienacstepdedaganyat TT basic programme binary input building PES ida A ce eee eA DUO EEEE ET cha veetss udaceae fin bhaauzecdatadged As calendar programme issira ena ty ested sh cede avtty rout ari et eee eee 22 30 49 CASCACE CONTON SR seicsscdesisae secs ceckictoedayedhvveasedeiveasscacuuoseveecuaycdecwsavevesvvasatuavesvueneaians duewese Geuuvadeuesduseuisenvaiesaveasuelvdavedaveeaneiadga ecesCaaeits cascade type control COMO A A id COMMISSION IN Occitan edetavgedaeasecea A eanaserbinacdsinendaeitgsvatesasaidaetenseaemwigeiasss contents table of control characteristic control MOdeL ooccccccccononnccncnnnccononoros controller Settings OVEIVIEW iiiii A A tested eddie da A oa a 48 COON a caesd cactus evar eet a aaa a ae a e agat 8 COOlING DIOCK e a a rhe everett a dati tits 19 47 D O O NS ANN 24 39 date Peris uta A a aa na 30 dead zone description of the operating elements o ncoconncccnnnncinnnncccnnn recrea 7 A ges svcd sane EE A ieeb uae tac R T E A A A E asters 16 39 dew point value De lOwE a A A A aan ae le eee 17 COW POINEHMON OMIA o AEAEE EE T T T ATT 17 47 dimension drawing displayi conp a ie EE a nie a eaa a ek Anes ane lo tee E EMINEM econo 8 A O 39 F iare INSTUCIONS ara diodo dias flow tempe
3. feo 7 R a _ Ea es JE j O Y EN A MIE if A NS DEA p VA LS Air conditioning controller User s Manual NRT 107 F031 F041 7000986003 R2 7000986003 R2 Sauter Components 7000986003 R2 Sauter Components Table of contents T General information ici a ia 5 Hi Introduction citan cd ira dota 5 1 27 Safety Instructions it llorare ad 5 1 3 Key to the operating InStrUCtONS cinc id dd 5 4 lt ADDreViatlOns cli ccbebaagadetsce och sdhsdvensledesaldea E Oadhoeedatese 6 2 Description of the operating elements ccccseseeeseeeeeeeseeee senses eeseeeeeeaseeeeeasseeesaseeeeesaseeeeeasenessaseeeeeeaseneeeeaseneeesesensaseneneess 7 2 1 Frontview ofthe NRT 107 vino ba sub ceevu din evesvapheescndinevevacehevivusehev aul avneveuyevadcreenes 7 22 SLED GISPIAY aio lol dile T 8 23 O A 9 EE SAR nn Pm Ka siaaa EuN e asaan aAa das Kasna O NENAD SKi enS 10 Bei COMMISSIONING ETTET ET A E A T 10 e a Ea Re 100e TOT To PAn A EE BEE get ie ee A EE E 10 3 152 Set timesama date isga a N a a a a a A E N a oa 11 3 1 3 SelecticontrolMOde terio A A A eee ash 12 32 SERVICOMOJ mito taaan tt atar ether taba 13 3 2 1 Access to SERVICE Mode ienne cen nnn aii A nine een ees 13 3 2 2 VIEW SERVICe Parameters cuisine a 13 3 2 3 Change SERVice parameters umi e da bi iaa eae 14 3 2 4 Return to a tomatic Modenan aaa a a abate etic 14 32 597 LIStof SERVICE parameters icono iii 15 3 2 6 Explanat
4. 5 2 Set status of pump on off for manual mode After the Manual mode menu item has been chosen the Pump relay output sub item on the menu is shown m L E2 1900 FR 12 a 7000986003 R2 OK e OK ESC ESC Chose the Relay output sub item on the menu Select the relay status Explanations relay closed pump fan on O relay open pump fan off Confirm the relay status Return to the Manual mode menu item Return to automatic mode or manual mode Display in automatic mode if manual mode was not activated or manual mode Sauter Components 36 5 3 Set valve position After the Manual mode menu item has been chosen the Pump relay output sub item on the menu is shown first m L D gt lt gt y an Ln 0900 FR 19 f Scroll through the menu until you see the following screen OK Call up the Valve position menu item Choose the valve opening as a percentage OK Confirm the valve opening as a percentage ESC Return to the Manual mode menu item ESC Return to automatic mode or manual mode q o Display in automatic mode if manual mode was not activated or manual mode If MOD7 is used the outputs heating and cooling can be triggered separately The display shows the following sub items on the menu MW m a l D 7000986003 R2 Heating output and m LI ae Cooling output D Sauter Compone
5. Access to the SERVice mode fit CLR Call up the un limited mode change function Delete switching commands Reset button for the NRT 107 This can be used to reset the controller Re enter the time and date after you have done this The SERVice parameters and the switching programme will not be changed 7000986003 R2 Sauter Components 10 3 Starting operation 3 1 Commissioning When commissioning the equiflex NRT107 certain basic settings have to be made as an essential prerequisite in order for the device to operate The NRT 107 should be commissioned when the controller is connected to the power supply for the very first time Depending on the application further settings need to be changed afterwards When commissioning the NRT 107 the following three steps should be carried out e Set language Set time and date e Select control model 3 1 1 Set language The NRT 107 shows the day of the week in abbreviated form e g MO Monday For this purpose the languagehas to be selected first The following languages are available D German E English SP Spanish F French Italian CS Czech For countries with other languages there is a numerical code available for showing the day of the week This view is selected by means of the display from 1 to 7 where the numbers have these meanings 1 Monday 4 Thursday 7 Sunday 2 Tuesday 5 Friday 3 Wednesday 6 Saturday A Choose a language
6. TUNCONS it R relay output issia desc eet a a andreas A a O aa a a buss gasses EEA DNE E RN ESA A E ET TEE E E A E R E T EE resistance values Ni1000 room temperat r Ean a E aa A EE ai iia S aT gt RP ee Br ed E SERVice Mode SERVice Le AEE AEE io a a ee eS E tate 14 SERVice Parameters snenie eri erea ineat eita ri iko dana dela d dedicada andado ddr ireira del 5 13 15 set time SUIMMEH WINTEF tiIMO CMAN GOs a e aa E E a a rE aA Ea a a E a a aa aa E a E Eea aa Eaa ata T A E E switching commands ccccnooccccnon nc switching programme s switching programmes Switch On tiMe Acetone ei hee A a he A eit T technical Data NAAA A ad AE AE E AE N A ita temperature measurements temperature SONSOMSS severe re dt tt tradition dE eS LO aE eaaa iae Oea aaea AEN eaaa 7000986003 R2 Sauter Components 52 V ValVe positio Nse diia A eA ee Dane a A eee 36 valve TUNNING me iia es de A e EE si ited pe ie ee EN 19 W wall INTUENCE Orio A A A E ii 17 WAI a A Aaa tai 8 Warning Message ri ais ni dale a 8 week MES Witch A eal eee ee 5 weekly Switching PrograMIME ssepe te de latido 22 25 48 Wihter SUMMENtIME CANDO coin IA A ETEEN eE AA 20 winter Summer time ChanGe exar a Ad ted eats dd tod 20 WINING CIAQKAIN a A A A AA A A he RER 44 Printed in Switzerland Right of amendment reserved N B A comma between cardinal numbers denotes a decimal point O Fr Sauter AG CH 4016 Basle 7000986003 R2 Sauter Components
7. Weekly switching programme with a maximum of 42 switching commands and 12 month switching programme with a maximum of 6 switching commands are available Operating mode taken from weekly and 12 month switching programme with higher priority is controlled Reduced operating mode has higher priority than normal operating mode and OFF operating mode has higher priority than reduced operating mode An empty switching programme is in terpreted as normal operating mode The LCD display shows the clock symbol without index 1 or 2 The 12 month switching programme can be enabled disabled in SERVice mode The 12 month switching programme is not active in the factory setting Automatic using 12 month timer Changeover takes place on the programmed date provided that it is a Sunday otherwise on the following Sunday Changeover time 02 00 hours or 3 00 hours Can be enabled disabled in SERVice mode Factory setting is active with changeover dates of 25 October and 25 March The NRT 107 is reset by pressing the reset key After doing this the time and date must be re entered The parameters set in SERVice mode and the switching programme remain unchanged For other possible ways of resetting the equiflex NRT107 see SERVice parameter P04 The frost protection and overheating protection function intervenes if the equiflex NRT107 is operating in automatic mode and the OFF operating mode is active In addition the tempera ture must fall below the frost pr
8. Ni1000 0 3 K at 20 C and a triac current lt 0 3A The minimum and maximum setpoints that can be set TRsmin TRsmax for the room temperature may be limited extended via the SERVice level Factory setting 8 C 38 C corresponds to maximum range 8 38 C 0 5K lt 10 sec for Ni1000 sensors lt 25 sec for NTC sensors lt 10 sec for 0 10 V Lock and release by defined sequence of keys lock is shown on the display triac with switching status indicated Relay with switching status indicated gt 5 million switching cycles to EN 60730 type 1 C counts when relay contact is closed can be polled in SERVice mode but not deleted Valve opening time 1 5 x valve runtime 0 2 K for PI control MOD 1 2 lt 0 1 K for P control MOD 3 4 7 1 5 K for P PI control MOD 5 6 8 When operated with MOD 1 7 the pump runs on for 1 7 times the valve runtime when the valve is completely closed 43 036 NRT 107 F031 MV 505782 NRT 107 F041 MV 505783 BA 50573 7000986 2 0 10V corresponds to a temperature range of 50 C 50 C 7000986003 R2 Sauter Components 47 13 2 Overview of most important functions Switching programmes Summer winter time changeover Reset Frost overheating protection Valve and pump anti jamming protection Flow temperature limitation Dew point monitoring Change over c o Cooling block Shift w Manual mode Pilot timer 7000986003 R2
9. Warning error message or control model 0 was selected or time and date have not been updated after restarting A H AA p Actual value or setpoint for the temperature shown in C or F A y triac opens or closes the valve o Relay for pump fan or pilot timer is closed ABABA Time display hours minutes d Keypad locked 1 Cit Absence function is active 1 tl Presence function is active ln y Window function is active 1 Telephone remote control function is active 4 A Fault in installation function is active 4 Central keypad lock function is active A Value is below dew point a Installation off Ne g Abbreviation for weekday or a period of time lO Automatic mode as per weekly 1 and 12 month 2 switching programmes Th Installation is in normal operating mode Cit Installation is in reduced operating mode aN Manual mode 7000986003 R2 Sauter Components 2 3 Keypad The keys or buttons enable the controller to be operated Explanation of individual key functions menu Access to the menu levels for setting date time switching programme and manual mode Return to the ESC previous menu levels or to the automatic mode Abort functions O Scroll in the menu Increase the flashing value shown View the setpoint for the room temperature J Scroll in the menu Reduce the flashing value shown View the setpoint for the room temperature ok Confirm the flashing value Access to a lower menu level
10. has occurred A Explanation gt gt Measured value from room temperature sensor is too high Err a Err Indication that an error has occurred A Explanation a na Measured value from room temperature sensor is too low Err E a rr Indication that an error has occurred 7000986003 R2 Sauter Components 40 7 3 Action to be taken in case of errors in temperature measurements Actions are taken regarding the valve and pump fan control depending on the range in which the temperature measurements lie The following ranges are differentiated and the relevant actions are shown next to them Range 1 Control mode no additional actions regarding pump fan and valve control Range 2 Control mode based on the last recorded value from Range1 Range 3 Valve is closed taking into account 1 7 times the valve running time pump fan is switched off after 1 7 times the valve running time has elapsed The table below lists the ranges for the various types of sensor Table Ranges for measured temperature data Sensor Ni1000 Range 1 Range 2 Range 3 Flow temperature Room temperature external Room temperature internal 0 0 C 140 0 C 5 0 C 45 0 C 5 0 C 45 0 C 50 0 C 0 0 C 140 0 C 200 0 C 50 0 C 5 0 C 45 0 C 200 0 C lt 5 0 C gt 45 0 C lt 50 0 C gt 200 0 C lt 50 0 C gt 200 0 C not defined 8 Application
11. item Return to automatic mode Display in automatic mode D7 Sauter Components 28 4 2 2 4 Delete switching commands When the weekly switching programme has been called up the first switching command is shown The display then looks like this for instance Scroll through the weekly switching commands J0 Ca ca QI E on CLR gt Press for longer than 4 sec Delete weekly switching command ESC Return to the Weekly switching programme menu item ESC Return to automatic mode 0900 Display in automatic mode If the lt CLR gt key is pressed for longer than 20 seconds all the commands in the weekly switching programme will be deleted 7000986003 R2 Sauter Components 29 4 2 2 5 Enter new switching command When the weekly switching programme has been called up the first switching command is shown The display then looks like this for instance JE ca ca S Yo E O ik PROG Annan N UUU Mb 70 xN Iii Scroll through the weekly commands until you see the following screen OK Choose a spare weekly switching command Change the day of the week For the further procedure see the corresponding point in the Change switching command section 7000986003 R2 Sauter Components 30 4 2 3 12 month switching programme Before you can work with the 12 month switching programme it has to be activated in SERVice mode
12. measurement Zero point correction wall influence Input for flow or supply air temperature sensor Measuring accuracy Setting limitation for room temperature setpoint Setpoint range for room temperature Resolution for room temperature setpoint Time constant for processing measured values Keypad lock Valve outputs terminals 3 4 Pump fan output terminal 5 mechanical switching frequency function Hours run meter Maximum valve opening Neutral zone Xsh Pump follow on time Documentation PDS Fitting instructions Short operating instructions Operating instructions 1 If internal room temperature sensor is not active NRT 107 F031 110 230 V NRT 107 F041 24 V 15 50 60 Hz lt 1 5 VA 0 50 C 5 95 rH 25 65 C EN 12098 and CE IP 30 EN 60529 Il IEC 536 EN 50081 1 EN 50082 2 EN 55014 and 55022 EN 60730 1 1 relay 2 triacs Relay 5 2 A triac 0 3 0 5 1 A NRT 107 F031 10 mA NRT 107 F041 40 mA NRT 107 F031 230V NRT 107 F041 24V NRT 107 F031 230V NRT 107 F041 lt 50 V Switching current approx 1 mA 2 Ni1000 binary or 0 10V 2 gt 6 h at 20 C after 1 hour s charging 1 s d at 20 C not volatile 0 28 kg 76 x 152 x 37 mm Possible in automatic mode Change from 3 hours to 19 days is possible The display shows the time remaining for the change Abort change is possible Internal NTC and or external Ni1000 sensor up to 6 K possible
13. the controller will automatically return to the previous function except when manual mode is active 7000986003 R2 Sauter Components 26x 1 4 Abbreviations Lit reduced operating mode fi normal operating mode c o change over H C heating cooling MOD control model TF flow temperature Tri actual value for flow temperature Trs setpoint for flow temperature Tri actual value for room temperature TFsmax Maximum limitation for setpoint of TF 7000986003 R2 TFsmin Minimum limitation for setpoint of TF TRmin minimum limitation for setting range Trs TRmax maximum limitation for setting range TRS TRS setpoint for room temperature w shift in Trs Xp proportional band Xin dead zone in normal operating mode Xs setpoint Xtr dead zone for reduced operating mode Y output signal Sauter Components 2 Description of the operating elements 2 1 Front view of the NRT 107 User keypad DATEMP TIME Display PROG Ill A Ny gt HOH 88083 BB fh Off mode OE B10179 7000986003 R2 Sauter Components 8 2 2 LCD display The display shows the status of the installation the room temperature and the switching programme etc Explanation of individual symbols gt Key button function is active NN Heating or frost protection function is active Cooling or overheating protection function is active a flashing symbol means that the value is below the dew point
14. way valve Unit through valve Unit three way valve Through flanged valve Three way flanged valve For further components see Sauter PDS 11 Wiring diagram NRT 107 FO31 change over PI 3pt a SP PI 110 230V L2P PI L eoe e a v 3 3 4 lt X lt x a 5 o o o o o ss 8 g o M K aX z z o oe e N i gt E TF 8 a pe E S A08655c NRT 107 F041 change over PI 3pt S P PI gt P PI e e e 24V A v 3 3 4 lt X lt x coh a max 50V 2 2 y lt AA a5 y M N J OO e e 2 e 2 7000986003 R2 TR_EXT 0 5 10V oe A08656b Sauter Components 45 12 Dimension drawing 76 136 152 i M04773 7000986003 R2 Sauter Components 46 13 Technical data 13 1 Overview of technical data Power supply Tolerance for power supply Power consumption Permitted ambient temperature Permitted ambient humidity Storage and transport temperature Conformity Degree of protection Protection class EMC irradiation EMC immunity Level of radio suppression Safety Outputs Switch rating Current Minimum load for triac Power for triac Power for relay Inputs 1 binary 2 analogue 1 universal Binary input Analogue inputs Universal input Time switch Running capacity Accuracy Parameters Weight Dimensions W x H x D Un limited change of operating mode Room temperature
15. 0 7 1 change over from heat to cool H C 0 P F for cooling 1 P F for heat 2 overheating protection active 3 P F for heat and cool 4 PT controlled by weekly and 12 month programme 5 as 4 also taking presence absence into account 6 as 5 also taking PROG input into account 7 H C output contact open corresponds to heat P30 0 Anti jamming function for valves and pump fan 0 3 1 0 not active 1 active on triac outputs valve 2 active at relay output pump fan 3 active at relay and triac outputs pump fan and valve P31 0 Display of 10 hrs total duration for closed relay contact 0 9999 1 cannot be deleted P32 0 12 month programme 0 3 1 0 not enabled 1 active 2 active switching commands will be deleted after execution 3 active switching commands will be adopted for next year after execution P33 10 25 25 October summer winter time change 00 01 12 31 00 01 P34 3 25 25 March winter summer time change When P33 P34 no 00 01 12 31 00 01 summer winter or winter summer time change P35 38 5 Display flow temperature actual value e g 38 5 C for MOD 5 6 8 see P06 0 C 140 C 0 1K P36 42 1 Display flow temperature setpoint e g 42 1 C for MOD 5 6 8 see P06 0 C 130 C 0 1K P37 5 0 Display shift w in setpoint e g 5 K 0 0 5 K 10 16 K 0 1K 3 2 6 Explanations of the individual SERVice parameters P02 Display device status The device status of the NRT 107
16. 50 P control on its own is obtained for MOD 3 SERVice parameter PO6 3 or MOD 1 SERVice parameter P06 1 if a reset time of 0 seconds is set SERVice parameter P21 0 3 3 2 Control characteristic for MOD 2 4 and 7 y X Xy Xp B10342 Characteristic for MOD 2 4 and 7 The thick line corresponds to normal operating mode and the thin line shows reduced operating mode The control characteristic is shown for MOD 2 MOD 4 and MOD 7 The control model is set with SERVice parameter PO6 3 3 3 Control characteristic for MOD 5 6 and 8 A TFs Tks max TFs min B10343 Characteristic for MOD 5 6 and 8 The thick line corresponds to normal operating mode and the thin line shows reduced operating mode For MOD 5 MOD 6 and MOD 8 control model setting see SERVice parameter P06 a cascade type control is implemented The setpoint for the flow temperature is calculated according to the deviation of the actual room temperature value from the setpoint on the basis of a P controller With these control models the P controller is defined by SERVice parameter P17 The illustrated control characteristic shows the relationships between the control deviation for the room temperature and the setpoint for the flow temperature Control of the flow temperature is implemented with a PI control algorithm The control parameters for Pl control are set using SERVice parameter P20 Pro
17. Control model 1 2 pipe cool Pl room temperature 3 pt Control model 2 2 pipe heat cool Pl room temperature 3 pt Control model 3 2 pipe cool P room temperature 2 pt impulse pause Control model 4 2 pipe heat cool P room temperature 2 pt impulse pause Control model 5 2 pipe cool P PI flow temperature 3 pt Control model 6 2 pipe heat cool P PI flow temperature 3 pt Control model 7 4 pipe heat cool P room temperature 2 x 2 pt impulse pause Control model 8 4 pipe heat cool P PI flow temperature 3 pt and 2 pt P09 minimum limitation for setting range of room temperature setpoint The minimum setpoint for the room temperature can be varied within certain limits This limit can be set by using SERVice pa rameter PO9 The factory setting is 8 C P10 maximum limitation for setting range of room temperature setpoint The maximum setpoint for the room temperature can be varied within certain limits This limit can be set by using SERVice parameter P10 The factory setting is 38 C P11 Measurement of room temperature and dew point monitoring If the room temperature is to be measured with an internal NTC sensor SERVice parameter P12 must be assigned a value of 0 With this setting a dew point monitor can be connected to the terminals which are provided for an external temperature sensor In this case if the value falls below the dew point this is detected by the controller If the NRT107 detects that the value is below the dew point th
18. Kaliz mn a Zt N A STA OK Confirm the selected language and save it F French in this case EE ZA N The language can quickly be changed at any time using the SERVice parameters see Section 3 2 5 7000986003 R2 Sauter Components tis 3 1 2 Set time and date poe A K Change time _nonan__ UTU AEN TIME PROG A OK Confirm time 17 01 hrs in this case EAU ITA t__ OJ ZTN DATE PROG A l fe Change the date L i The day the month and the number of the year must match the current date gal The weekday is updated automatically ARG N BATRE A AN OK Confirm date 1 August 2003 in this case 08 03 J oN DATE TIME NN mone ESC Call up automatic mode ae __A on Jr Display in automatic mode ingin A warning is shown on the display since no control model has been chosen yet FR 7000986003 R2 Sauter Components 12 3 1 3 Select control model A on 3 OK should be pressed for longer than 4 seconds then with 0900 CLR and with FR OK go to SERVice mode A PO an Select SERVice parameter P06 the parameter is used to set the oF control model A POD Ly OK Call up the SERVice parameter u SE PROG A PA E Change the value of the SERVice parameter MX m7 SES PROG A pn E OK Confirm value of SERVice parameter 2 control for H C MODZ2 in this case as Aad gE SS ESC Return to automatic mode SE 293 0900 Display in automat
19. NU Call up menu Sy DATE TIME Scroll through the menu until you see the following screen FPR Apa OK Choose the Weekly switching programme menu item No EK IN Display for a switching command in the weekly switching programme 0600 Explanations 06 00 denotes the time from when the operating mode is valid TA 1 7 means that the switching command applies on a daily basis 19 A normal operating mode 7000986003 R2 Sauter Components 26 4 2 2 2 View switching commands When the weekly switching programme has been called up the first switching command is shown The display then looks like this for instance 0600 l 1 f Scroll through the weekly switching commands cJ E ESC Return to the Weekly switching programme menu item un 3 caru D gt Ren ESC Return to automatic mode 7 d gap Display in automatic mode 7000986003 R2 Sauter Components 4 2 2 3 Change switching commands When the weekly switching programme has been called up the first switching command is shown The display then looks like this for instance 7000986003 R2 OK OK OK OK ESC ESC Scroll through the weekly switching commands Select weekly switching command Change day of week Confirm day of week Change time Confirm time Change operating mode Confirm operating mode Return to the Weekly switching programme menu
20. P15 Function input PROG The binary input PROG can be programmed for various input signals If the voltage between the input and GND is less than 0 4 V the contact is interpreted as closed With a voltage of more than 0 6 volts the contact is interpreted as open The contact current is approx 1 mA The value for SERVice parameter P16 specifies whether the function is active with a closed or an open contact The Table below shows the possible operating stages and the possible ways of influencing the control when the function is active If the function is not active the controller operates according to the switching programme The Table also shows the value for the SERVice parameter in relation to the input signal which should be programmed Table 1 Functions with active binary input PROG PROG input Value of Mode changes in automatic mode Possible influence Symbol function SERV parameter Absence external clock 0 Normal Reduced or 2 it 3 IU Presence 1 Reduced gt Normal or R if A CU Window contact 2 Normal Reduced or R Remote switching 3 Reduced gt OFF Normal gt OFF ors J parti AA Fault indication 4 0r Lik Keypad disabled 5 OF clo 6 OF it c o with cooling 7 OF Cit block Remarks 1 When the contact is not active all operating modes are controlled as per the switching programme 2 or causes a change in the temperature s
21. e fitting instructions MV505782 or MV505783 Observe local regulations when installing the controller The con troller is not a safety related component The frost protection function the overheating protection function and the limitation of supply temperature function are not substitutes for the relevant safety equipment 1 3 Key to the operating instructions denotes see Section Ea denotes factory setting for the NRT 107 e g control values switching times etc specified by the manufacturer 4 denotes setting for the NRT 107 that deviates from the factory setting The operating instructions explain each function step by step using the following symbols PROG denotes the word PROG flashing in the display 0900 denotes the time 09 00 not flashing in the display denotes button to be pressed nu Display in automatic mode This display is the starting point for the steps explained here 203 E except for Commissioning and Active manual mode 0900 Explanations 20 3 C the measured room temperature R 09 00 current time 09 00 hrs aan if We current weekday Wednesday it normal mode 10 automatic mode as per weekly switching programme If necessary the display can be reached by pressing the MENU ESC button once or several times except when manual mode is active If the buttons are not pressed for longer than about 2 minutes while programming is in progress
22. e cooling valve is closed immediately and cooling is therefore stopped The display shows this status by a flashing cool symbol If the room temperature is to be measured with an external Ni1000 sensor value 1 must be specified If the parameter has a value of 2 the measured values from the internal NTC sensor and the external Ni1000 sensor are averaged The factory setting for this SERVice parameter is 0 P12 P13 Influence of wall when measuring room temperature When the temperature is measured on a wall which is also the external wall of the building a lower temperature is often meas ured than the value in the middle of the room This falsification of the measured value is corrected with SERVice parameters P12 or P13 The value for SERVice parameters P12 or P13 is added to the measured temperature value This provides the new measured temperature value which is used for controlling purposes 7000986003 R2 Sauter Components 18 P14 Function input w c o This SERVice parameter is used to parameterise the universal input terminals 10 11 If SERVice parameter P14 has a value of 0 this input signal has no influence on the control With value 1 a binary signal is detected via the input With 2 pipe sys tems the signal is used to change over between heat and cool c o signal Contact open corresponds to heat and contact closed corresponds to cool If this is the only closed contact this is shown in the display with the symbol f w
23. eating pump or the valve are at a standstill for more than 168 hours P33 P34 Summer winter or winter summer time change The winter summer time change and the summer winter time change are carried out automatically using the 12 month clock integrated in the NRT 107 The date for the time change can be set with the value of SERVice parameters P33 and P34 The value 2 16 corresponds to 16 February If the date that is entered is a Sunday the changeover takes place on the same day Otherwise the time is changed over on the following Sunday The summer winter time change is effected at 03 00 hrs back to 02 00 hrs and the winter summer time change takes place at 02 00 hours The time is moved forward to 03 00 hours If SERVice parameters P33 and P34 have the same value no summer winter time change is implemented 7000986003 R2 Sauter Components 21 3 3 Control characteristics Depending on the selected control model see SERVice parameter P06 the calculation of the output signals is based on vari ous characteristics The next sections show the different control characteristics 3 3 1 Control characteristic for MOD 1 and 3 x Characteristic for MOD 1 3 The thick line corresponds to normal operating mode and the thin line shows reduced operating mode With P controlling the setpoint is in the middle of the P band If the setpoint is equal to the actual value the proportion for the impulse pause signal or the opening of the valve is
24. eddeds 44 12 DIMENSION Ara Wing econ 45 13 Technical data cio A AA 46 13 1 Overview of technical data iia aiii a 46 13 2 Overview of most important FUNCTIONS eee cece ene eeneeeeeeeeeeeeaeeeaeeteaeesaeeceaeesaeeseaeseaeeeseeeseaeeseaeeseaeeseaeeseeeseieeeeaes 47 14 Overview of controller SettingS ccsccssecsseeesseesseeeeseeeseeeeeseeenseesaseesaseesaseesaseesaseeeaeeesaseasaeeesaseesaseesaseasaeeesaseeeaseesaseeeneees 48 14 1 List of SERVice parameters vive eit eerie Gide da 48 14 2 Weekly switching programmes ra aa ae E aaa ee ceashnscdedeneaedeeastasdegesccnecsusccenssuasceeaveleay sagaiernssatavagjaseascsssessaagaseeesiecss 48 14 3 12 month switching progtamMME onccnnncccnnon cnn nornnn nor rr 49 15 Index Of key Words occcoomocccnonnonenonnnccnannoc nana no rana ne rana RANA RANAS 50 7000986003 R2 Sauter Components 1 General information 1 1 Introduction The equiflex NRT 107 is a compact air conditioning controller used for room control lt is suitable for 2 and 4 pipe systems to heat and cool individual rooms The controller is suitable for all building types 8 different control models are available The room temperature is measured by the internal temperature sensor or by the external one if necessary lf a cascade type control is implemented a temperature sensor for flow air or supply air can be connected The microprocessor used for the equiflex NRT107 uses the recorded measurement values to calculate the signals fo
25. efore you call the technician check electrical fuses main plant switch burner function circulation pump or fan function valve time and weekday and the function of the burner heating pump or cooling unit if present 7 1 Reset functions If a fault is suspected in the equiflex NRT107 due to extreme network disturbances press the reset button using a ballpoint pen see Section 2 3 The SERVice parameters and switching programmes are not changed by this but the time and perhaps the date have to be re entered If all SERVice parameters and or the switching programme have to be reset to the factory setting this can be carried out by a technician using SERVice parameter P04 in SERVice mode see Section 3 2 7 2 Error messages If errors faults occur they are indicated by the abbreviation ERR in the display The errors that occur are encoded in the de vice status The device status can be polled in SERVice mode using SERVice parameter P02 see Section 3 2 Once the fault has been rectified the device status is reset immediately The following fault messages are shown in the display A Explanation m Y 22 4 C Display of actual value for room temperature Err Indication that an error has occurred Er a A Explanation LILI LI Interruption of room temperature sensor Les wy Err Err Indication that an error has occurred a A Explanation CCE CEL Short circuit of room temperature sensor E rr E th EE Indication that an error
26. etpoint value 3 Effects an un limited change of operating mode 7000986003 R2 Sauter Components 19 The c o signal can be defined with the help of SERVice parameter 14 or SERVice parameter 15 If the c o signal was defined with the help of one of the SERVice parameters it can no longer be defined using the second SERVice parameter If the parameterisation for the c o signal is to be changed the SERVice parameter that was defined for the c o signal must be changed first Then the second parameter can be used to define the c o signal If SERVice parameter 15 is assigned a value of 7 c o with cooling block the controller interprets the input signal as a c o sig nal If the NRT107 is in cooling mode the valve for cooling is closed i e the so called cooling block is enabled P18 Period duration If the equiflex NRT107 is used with MOD 3 4 7 which supplies an impulse pause output signal the period duration must also be defined The period duration is the time in which one impulse pause cycle is performed When selecting the period duration the technical data for the drive should be taken into account for this variable The factory setting for the period duration is 4 minutes P19 Minimum switch on time for P controller If the equiflex NRT107 is used according to MOD 3 4 or 7 i e with an impulse pause output signal it is possible to parameter ise the minimum period for which a valve is opened The minimum period is ind
27. ic mode en 1S if 7000986003 R2 Sauter Components 43 3 2 SERVice mode In SERVice mode a technician can adapt the NRT 107 s basic setting to the installation and fulfil specific requirements When doing this please also observe the fitting instructions supplied with the NRT 107 MV505782 or 505783 The SERVice mode should only be activated by a technician If the air conditioning controller is parameterised set incorrectly major faults may be caused on the installation or the equipment may be damaged and people may be injured 3 2 1 Access to SERVice mode 5 A OK should be pressed for longer than 4 seconds then with 0900 i FR CLR and with f OK go to the SERVice level A m 1 Display in SERVice mode Lit Explanations P01 Number of SERVice parameter 100 1 00 Value of SERVice parameter SE SE SERVice mode 3 2 2 View SERVice parameters Pa 10 bE Scroll through the SERVice parameters OO mm gt View each SERVice parameter parameter P15 in this case Oo cof uw mn 7000986003 R2 Sauter Components 14 3 2 3 Change SERVice parameters A P 4 ec OK Call up the chosen SERVice parameter so that the SE O value can be changed _ A m g Change the value of the SERVice parameter ae SEs p3 Pe SL Confirm new value for SERVice parameter eas Wap cle AN A P4 g Value has been changed and will be adopted on returning to automatic mode i 5E 3 2 4 Return to aut
28. icated as a percentage of the period duration If this produces a switch on time which is lower than the minimum period the valve remains closed during this time Switch on times which are shorter than the minimum switch on time are added over time If the sum produces a value which is higher than the minimum switch on time the valve is opened according to that value P22 Valve running time Valves with a motorised actuator require a certain time called the valve running time in order to open or close completely This SERVice parameter sets the equiflex NRT107 to the running time of the valve drive that is used The control quality will only be ideal and various protective functions will only be guaranteed if the valve running time is set properly P23 P24 Minimum and maximum limitation for the flow temperature If the equiflex NRT107 is used as a cascade controller according to MOD 5 6 8 SERVice parameter P06 5 6 8 the flow temperature can be limited In this case the value of SERVice parameter P23 sets the lower limit while the value of SERVice parameter P24 sets the upper limit P25 P26 Dead zone If the deviation of the setpoint for the room temperature from the actual value is within a certain range no control is performed This range is specified by the dead zone Different dead zones are obtained depending on the operating mode Section 3 3 shows the control characteristics with the dead zones The dead zones for the various opera
29. information 8 1 General information The next section shows some typical application examples Values are suggested for important SERVice parameters The suggested values have been tried and tested but they do not necessarily represent the ideal solution for every installation No liability is accepted for the values indicated here 8 2 Application examples MOD2 Underfloor heating cooling with c o signal and dew point monitoring NRT 107 gt 3pt clo 2x2pt TR B10162 Important SERVice parameters see also Section 3 2 SERVice parameter P06 2 control model SERVice parameter P20 20 proportional band Pl controller SERVice parameter P21 900 reset time Pl controller SERVice parameter P29 3 function relay output 7000986003 R2 Sauter Components 41 MOD4 Chilled beam control with shift in room temperature setpoint JL NRT 107 gt Spt 2x2pt TR B10163a clo Important SERVice parameters see also Section 3 2 SERVice parameter PO6 4 control model SERVice parameter P17 2 proportional band SERVice parameter P29 3 function relay output MOD4 Ventilation plant for room temperature control heating cooling with external temperature sensor shift in room temperature setpoint and c o input gt gt TR R elos NRT 107 w gt 3pt c o 2x2pt B10164 Important SERVice parameters
30. ions of the individual SERVice parameters oooooccnnccnnncccocccnonccconcnnnnncnancn nac rnn cnn rca 16 BD COMO AAC said 21 3 3 1 Control characteristic for MOD 1 and 3 0 0 eee ceeeeeeeeeeneeeeeeteseeeeeeeeeaeeeeaeeeeaeeseaeeeeaeeeeaeeseaeeseaeeeseeeeieeseieeesieeeeaees 21 3 3 2 Control characteristic for MOD 2 4 and 7 oooonccccccnnninininininininininininininannn nn rr rra 21 3 3 3 Control characteristic for MOD 5 6 and B oocnnncccccncccncnnnininicinininininininana nana n a rn r rr rra 21 4 Automatic MO de a r rerea r aera r e rr 22 41 Basic TUNCONS nenia e a arae aa ta eee a et teed aie eed an 22 4 1 1 Change temperature setpoint 2 20cciecse eciadee ick etie db ib 22 4 1 2 Un limited change of Operating mode ooooconocccncccnococonccnnocnnancnnnnnnnnn coronar nn cnn rre 23 4 2 Menu functions tad ti 24 424 Time and ate iaa ia 24 4 2 2 Weekly switching programme ccscccceeesceeeeeeceeenseeeeteseeeeecegeeenesensesenaeseessaeeeeeesensesesaseesenensesesenseseneenesseseneeees 25 4 2 2 1 Call up the weekly Switching programme ceecceeeceeeeeeeeeeeeeeeeeeaeeeeaeeseaeeeeaeeceaeeseaeeseaeeseaeeseaeeeeaeeseaeeenaeetias 25 4 222 View SwitChing COMMANGsS oc ss2cc cdescpecsazhd a sable cass caaesessaedcauasshschdsdagdeneie ceathascieiesaecensbeisaphsueieoeatiaesaads 26 4 2 2 3 A SR 27 4 2 2 4 Delete switching COMMAMAS insontes a a a a To 28 4 2 2 5 Enter new switching command ccceeecceeeseeceeeeeeeeeeee
31. irst switching command is shown The display then looks like this for instance 0980 FR 12 f CLR ESC ESC Scroll through the 12 month switching commands Press for longer than 4 sec Delete the 12 month switching command Return to the 12 month switching programme menu item Return to automatic mode Display in automatic mode 1 If the lt CLR gt button is pressed for longer than 20 seconds all the commands in the 12 month switching programme will be deleted 7000986003 R2 Sauter Components 34 5 Manual mode In manual mode the installation can be controlled by hand during installation or in the event of a fault In manual mode no control takes place The pump is switched on or off The valve s are opened and closed according to the specified values Before you can work in manual mode this mode has to be enabled in SERVice mode see Section 3 2 So that the NRT 107 can work in accordance with the settings in manual mode the mode must be activated If manual mode is active the following display is shown when you return from the menu level 5 1 Access to manual mode ru DJ Li sngAn eu MENU Call up menu FR a 12 if DATE TIME Rpm Scroll through the menu until you see the following screen men OK Choose the Manual mode menu item L m L Display after the Manual mode menu item has been called up 7000986003 R2 Sauter Components 35
32. is read with the aid of SERVice parameter 2 Value 0 denotes that the NRT 107 is functioning without any faults Faults are coded as follows Reading error in EEPROM 1 Writing error in EEPROM 2 Short circuit in internal room sensor NTC 4 Interruption in internal room sensor NTC 8 Short circuit in external room sensor Ni1000 16 Interruption in external room sensor Ni1000 32 Short circuit in flow temperature sensor Ni1000 64 Interruption in flow temperature sensor Ni1000 128 Valve drive 3 pt was opened with 5 fold valve running time 256 Valve drive 3 pt was closed with 5 fold valve running time 512 If several faults occur at the same time the value for the SERVice parameter is derived from the sum of coded numbers When the fault has been rectified the value for the SERVice parameter is automatically reset 7000986003 R2 Sauter Components 472 PO5 Manual mode The manual mode is disabled enabled by SERVice parameter P05 If the value of the parameter is 0 manual mode is dis abled and cannot be accessed via this menu item If the parameter is given a value greater than 0 the manual mode can be activated via the menu Using the value for the parameter the maximum percentage valve opening can be set at the same time this can be set via the menu for manual mode For instance if a value of 55 is set the valve can be opened no more than 55 via manual mode If the controller supplies a 3 pt output signal due to the control model that is u
33. ithout the num bers 1 or 2 If SERVice parameter P14 is assigned a value of 2 the c o signal is detected and displayed as for a value of 1 If the controller is in cooling mode however the cooling valve is closed so no cooling is performed The c o signal can be defined with the help of SERVice parameter 14 or SERVice parameter 15 If the c o signal has been defined with the help of one of the SERVice parameters it cannot then be defined again using the second SERVice parameter If the parameterisation for the c o signal is to be changed it is first necessary to change the parameter that was used to define the c o signal After this the second parameter can be used to define the c o signal If the universal input is parameterised as a binary input with a value of O or 1 the contact is detected as closed for a voltage of less than 0 4V between terminal 11 and GND and it is interpreted as open with a voltage of more than 0 6V The contact current is approx 1mA If the value of the SERVice parameter is 3 or 4 the input is used to record a 0 10V signal The signal is used to shift the set point for the room temperature If the parameter has a value of 3 a shift of 1K V is performed and for a value of 4 the shift is 1 6K V Please note that for correct parameterisation the position of a jumper must also be checked The correct position of the jumper is described in the fitting instructions for the device in question MV 505782 or MV 505783
34. neeeeeneeseeeaeeeenessnseeesaeseeeeaeeeeseeaeeneneeseesneeeeeeneneeetees 29 4 2 3 V2 month switching programmes nai a aa aer A Ai S aa 30 4 2 3 1 Call up the 12 month switching PrograMmMe cceecceeseeeeeeeeeeeeteeeseeeeceaeeeeaeeseaeeenaeeseaeeseaeeseaeeseeessieeenaeeesas 30 4 2 3 2 View switching COMMANGS saci csi hee ei ee ieee Reis lee Ca Se eth 31 4 2 3 3 Enter new switching OOM MAd a E aea r aR a aa aaa aaae aaa E A AAAS aa Ea E ODE EEEE ERE 32 4 2 3 4 Delete switching ComM aNd e r a a A r aaa aaa nenes 33 A O ON 34 5 1 Access to m anualiMode ocio aaa a a a a a a a aaa a aaa a a aa Ea EEOAE 34 5 2 Set status of pump on off for manual MOE cece eee eeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeaaeeeaeeseaeeseaeeseaeeseaeeseaeeseaeeeeeeseneeesieeeeaeees 35 5 3 ES EN OILLO A EE AETAT T A A AT 36 54 Enable and disable manual Modessa e a a e E EN 37 7000986003 R2 Sauter Components 4 6 Keypad 10K AAE E E AT rr 38 NA O OA 39 Tal ResetfunciONS ici aos 39 1 2 BMOmmMe SSages tii AA eee ee ec 39 7 3 Action to be taken in case of errors in temperature MeasurementS ooocccononcccnonoccnononcnnnnnoncncnnnr cnn nnnr cnn naar nrn rre nnnr rar n nn 40 8 Application information nnnnnnnccnnnccnnnnccnnccrnerr rr 40 9 1 General information ds rn nd A Ti 40 8 2 Application examples innn a A E N r id 40 9 Resistance values for Ni1000 Sensors 0nnnmnnncccnnncccnnnncnnnncrrrc cr 43 IA COSA 44 AAA stndvassvendisssududdeustusiestodd
35. nts 37 5 4 Enable and disable manual mode After the Manual mode menu item has been chosen the Pump relay output sub item on the menu is shown first m Li 5 DFF OK D PROG A OFF A lan Neros y mm f zp OK Dar D Fm Lay t ESC a Reny NES 0900 o 0900 FR FR E A A 7000986003 R2 Scroll through the menu until you see the following screen Call up the Disable enable manual mode menu sub item Choose status for manual mode Explanations O Manual mode enabled MEF Manual mode disabled Confirm status for manual mode Return to the Manual mode menu item Return to automatic mode or manual mode Display in automatic mode if manual mode was not activated or manual mode Sauter Components 38 6 Keypad lock The keypad lock prevents the adjustments for the controller from being misused e g by children The lock is activated by pressing these keys in the following sequence OK Lit The keypad lock can be revoked by using the same sequence B08505 Display in automatic mode when the keypad lock is activated g 0 Explanations 090 FR ee 20 3 C Actual room temperature wa wz O W 09 00 Current time Mi Current weekday Wednesday Automatic mode according to weekly switching programme Keypad lock is active S Normal operating mode 7000986003 R2 Sauter Components 39 7 Faults B
36. ode This function can be used to alter the operating mode normal operating mode reduced operating mode Off mode for either a limited or an unlimited period ER Un Call up function Lo fi 20 3 iz in gAn Select operating mode ch f cud i Choose duration The duration can be in steps of 0900 19419 days to 3h 3 hours You can set either a 5h fn E temporary or an g unlimited temperature change 203 090 OK Confirm values Display when function is active Press lt ESC gt to abort the function and return to automatic mode 7000986003 R2 Sauter Components 24 4 2 Menu functions 4 2 1 Time and date This function is used to change the set time and date To view the set time and date call up the same function The same steps are carried out but no changes are performed by using the or buttons cuy D900 e a FR CO ll MENU Call up the menu meni OK Choose the time date menu item VES OJ Change time OK Confirm time NA Pa lt Change date DL N B The weekday is adapted automatically OK Confirm date nen ESC Return to automatic mode VIL 0900 Display in automatic mode After a lengthy interruption to the power supply the time and date have to be reset The following image is shown automatically on the display TIME PROG ely 0900 ZIN Thereafter continue as described in the steps above If the time and date are not confirmed and you ret
37. omatic mode A P4 g ESC Return to automatic mode 1 5E 0900 Display in automatic mode 7000986003 R2 Sauter Components 3 2 5 List of SERVice parameters Number P01 P02 P03 P04 P05 P06 P07 P08 P09 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 7000986003 R2 f Description OY xx Software version Y 1 Series version xx Serial number 0 0 0 38 0 0 0 0 Current device status 0 OK fault coding see Section 3 2 6 Unused Software reset 0 Function not active 1 Reset SERVice parameters Sauter or OEM factory setting 2 Reset switching programmes Sauter factory setting 3 Reset SERVice parameters Sauter or OEM factory setting and reset switching programmes Sauter factory setting The parameter is then reset to 0 Manual mode 0 manual mode not enabled 5 100 manual mode enabled with a maximum valve opening from 5 100 Control model MOD 0 control not active contacts open 1 Pl room temperature controller cool 2 pipe 3 pt 2 Pl room temperature controller heat cool 2 pipe 3pt 3 P room temperature controller cool 2 pipe 2pt impulse pause 4 P room temperature controller heat cool 2 pipe impulse pause 5 P PI flow temperature controller cascade cool 2 pipe 3 pt 6 P PI flow temperature controller cascade heat cool 2 pipe 3 pt 7 P room temperature controller heat cool 4 pipe 2 x2 pt impulse pause 8 P PI flow temperat
38. onth Ko Lit 03 year from which the switching command applies DO weekday for the entered switching date Cit operating mode for the 12 month switching programme Display for a spare switching command in the 12 month switching programme Lt 7000986003 R2 Sauter Components 4 2 3 2 View switching commands When the 12 month switching programme has been called up the first switching command is shown The display then looks like this for instance 0303 Scroll through the 12 month switching commands A ESC Return to the 12 month switching programme menu item ESC Return to automatic mode m o E cud Display in automatic mode 7000986003 R2 31 Sauter Components 32 4 2 3 3 Enter new switching command When the 12 month switching programme has been called up the first switching command is shown The display then looks like this for instance 7000986003 R2 Scroll through the 12 month switching commands until you see the following screen OK Choose a spare 12 month switching command Change the date for the switching command OK Confirm the date Cii Change the operating mode OK Confirm the operating mode ESC Return to the 12 month switching programme menu item ESC Return to automatic mode Display in automatic mode Sauter Components 33 4 2 3 4 Delete switching command When the 12 month switching programme has been called up the f
39. otection limit or rise above the overheating protection limit The frost protection limit is 8 C and the overheating protection limit is 38 C for the room tempera ture The frost protection or overheating protection function is switched off again once the room temperature rises above 9 C or falls below 37 C The frost protection and overheating protec tion function can be enabled disabled in SERVice mode The factory setting is active If the circulation pump fan or valve are at a standstill for more than 168 h the outputs are triggered sequentially on the following Sunday at 00 00 h This function can be enabled disabled in SERVice mode factory setting is not active The maximum and minimum values for the flow temperature are limited for MOD 5 6 8 The values for the upper and lower limits can be modified If a calculated setpoint for the flow tem perature is outside the limits the respective limit temperature is set Flow temperature limita tion is not active in OFF mode or manual mode An input is provided for a binary signal from a dew point monitor In the event of a signal that the value has fallen below the dew point the cooling valve is closed and cooling is therefore stopped The display shows a flashing cooling symbol Signal for changeover between heat and cool Active input cool ls parameterised in SER Vice mode using P14 or P15 Simultaneous parameterisation via P14 and P15 is not possible In the factor
40. portional band and P21 Reset time 7000986003 R2 Sauter Components 22 4 Automatic mode In automatic mode the NRT 107 controls in accordance with the operating stages that were set in the weekly or the 12 month switching programme In the weekly switching programme the operating stages normal operating mode reduced operating mode are assigned to the daytimes of a week A 12 month switching programme can be enabled via the SERVice mode and then programmed The commands in the switching programme can be changed to suit individual requirements 4 1 Basic functions Viewing the setpoint for the room temperature m o ue 0900 The setpoint is shown when either of the two buttons is pressed once FR A en on ee View the setpoint Ae 1 j After 2 minutes the display automatically returns to its original state D400 Press lt ESC gt to return to the original display before 2 minutes have passed FR t 4 1 1 Change temperature setpoint If the room temperature is considered to be too warm or too cold this function is called up to correct the setpoint for the room temperature in steps of 0 5 degrees C ni O us 0900 _ This function can be called up by pressing either of the two buttons once FR The current setpoint for the room temperature is displayed Change the setpoint OK Confirm the new setpoint 7000986003 R2 Sauter Components 23 4 1 2 Un limited change of operating m
41. r the outputs on the basis of the selected control model As well as the control parameters that have been set this process also takes account of the signals for the change over input the dew point monitoring and the shift in the room temperature setpoint The calculated signals for the out puts are amplified and are available to trigger the pump or the fan and the drive s In automatic mode the equiflex NRT107 switches over between the different operating modes by means of switching commands from the week time switch weekly switching programme and the 12 month time switch 12 month switching programme A fixed basic programme factory set ting ensures that the controller can easily be put into operation in most installations If necessary it can be adapted to your air conditioning plant by using the SERVice parameters This ensures optimal comfort for every system with the minimum use of energy The automatic change over from summertime to wintertime and vice versa means that residents do not need to correct the time twice a year The equiflex NRT107 contains various protective functions such as the frost and overheating protection function the valve and pump anti jamming protection and so on 1 2 Safety instructions Particular care is required in order to avoid injury fire or damage to the unit To learn how to operate the device please read these operating instructions after the unit has been installed by a specialist in accordance with th
42. ratur G ira a AA DA AA il A AA ad ee frost protection TUNIGHONS ara A diva edhe ch aries do ee eee H A ee vestet teddies ad nc shadaddc tans seh chdadaddavaal tea sagul dda sane cas aendagdssats A des steheaesasereteasseees 8 holidays eeina a a thea rhse ite cucuvebdes buuyree a A ea a a ries es Macha ae he a cy 30 INGIVIGUAI A O 5 input PROG ses A 18 20 Maene aA EEE T EA EAEE E A ETETE TE 34 7000986003 R2 Sauter Components 51 K KO Yi 2st 3h ectepestivieek peeve adn Dates etnies ei eee as oe ee eee Leclair pe ae aoe eto 5 Keypads eine gne a a viele ics eee ha lie ed el ee nie a N raaa dtl ten eet 9 keypad locked nl a ct lle tee ic d dica ade 8 L Ele O O 10 LCDdisplaVi it id ll ja tai 8 M manual mode ia iia 17 34 MAMA MAMA O o a O a O O O e 17 19 measurement of room temperatura s ko niies vs iepastaszesenscetdeabaedcessuaceayedgeeducscecestssdancdescceaensscasaazaneaesaneicatescceessvivennnsees 17 Mnmun limitan sheesh Seeded Asa ATA E E AE audsauabecausluwaud eben cave lugesweauk E A A EAE 17 19 misuse of adjustments ira a aici eee 38 N nickel measuring TESISTON iii and ened a At Mehta ed et Rei pe ae gyn it 43 O Operating Mode cuac dd d tdit tA operating Modes n n a a de Padi et eats operation putting into overheating protection P P COntrOllN g ne e o a A A Es period duration pilot timer pilot timer output proportional Dan EREEREER shuts dior atada aras protective
43. rol system heating cooling with dew point monitor using a 2 pipe system supplied by a 4 pipe system NRT 107 3pt 2x2pt TR 2 x AH le B371072 Important SERVice parameters see also Section 3 2 SERVice parameter PO6 8 control model SERVice parameter P29 7 function relay output 7000986003 R2 Sauter Components 43 9 Resistance values for Ni1000 sensors The temperature sensors required which depend on how the NRT 107 is used must conform to DIN 43760 The resistance of the nickel measuring resistor changes in relation to the temperature The temperature coefficient is always positive meaning that the resistance increases as the temperature rises See the table of values DIN 43760 Within the range of specified tolerances the sensors can be replaced without calibration 7000986003 R2 o f e o f e E ee EM AE Sauter Components 44 10 Accessories General 303124 000 386273 001 Sensors EGT311F101 EGT330F101 EGT333F101 EGH102F001 Valves drives AVM113 F AXM117 F AVR32W VXN BXN VUL BUL Recessed junction box Plug in power unit input 230 V output 24 V 0 38 A cable 1 8 m IP30 Clamp on temperature sensor Room temperature sensor Room temperature sensor with setpoint potentiometer Dew point monitor Valve drive Motorised drive for unit valves Valve drive Through valve Three
44. roller settings 14 1 List of SERVice parameters If the factory setting for the SERVice parameters is changed enter the changed values in the following table Parameter bmn Change PO1 P02 PO3 P04 P05 PO6 PO7 P08 PO9 P10 P11 P12 P13 1 xx 200o04oooooooo oo a Parameter fm Parameter fm P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 14 2 Weekly switching programme kn Day Daily Daily Friday Friday Saturday Saturday Sunday Sunday Time 06 00 22 00 06 00 22 30 07 00 23 00 07 00 22 00 4 P26 10 0 P27 0 P28 1 P29 3 P30 0 P31 0 P32 0 P33 10 25 P34 03 25 P35 42 3 P36 43 7 o P37 5 0 A Operating mode Deleted Normal operating mode Reduced operating mode Normal operating mode Reduced operating mode Normal operating mode Reduced operating mode Normal operating mode Reduced operating mode Inserted switching commands for the weekly switching programme Day 7000986003 R2 Time Operating mode OOOOOOO0O Sauter Components 49 14 3 12 month switching programme Inserted switching commands for the 12 month switching programme Day Month Year Operating mode 7000986003 R2 Sauter Components 50 15 Index of key words A abbreviations ACCESSOT ES eee AC dida aria adapta tn tn a datada btt air conditioning control eee air conditioning controller
45. sed see SER Vice parameter P6 the valve opening is calculated using the valve running time The valve is initially closed every time manual mode is enabled and whenever the valve opening is given a new value After this the valve is opened according to the specified value If the controller emits an impulse pause signal due to the control model the valve is opened on the basis of a proportion which was defined by the input For instance if a value of 30 is entered for the valve opening the effect is that the valve is opened for 30 of the period duration see SERVice parameter P18 The valve remains closed for the remaining 70 of the period dura tion For MOD 7 see SERVice parameter P06 the values for the valve opening of the heat and cool outputs can be changed independently of one another Both outputs are not activated instead it is always the output which was changed last that is opened In MOD 8 see SERVice parameter P06 note that two valves are triggered with the relay output P06 Control model SERVice parameter PO6 is used to set the control model The factory setting for the value of the parameter is 0 i e the relay and triac outputs have no voltage No control takes place with this setting The Table below provides an overview of the individ ual control models More information on the various control models is given in Section 9 Installation type Application Control Controlled variable Valve output
46. see Section 3 2 The 12 month programme can influence the automatic mode over longer periods in addition to the weekly programme Date periods e g for holidays are set in the 12 month switching programme in these periods the weekly switching programme is only enabled for specified operating modes For this purpose there are up to 6 switching commands 3 periods available comprising date and operating mode these can be entered in the daily grid When the memory for the 12 month switching programme is full the word End appears in the display An empty switching programme is interpreted as a switching pro gramme in normal operating mode If the 12 month switching programme and the weekly switching programme specify different operating modes for the current time the controller selects the operating mode with the higher priority Off mode has the high est priority here Reduced takes second highest priority and Normal mode has the lowest priority If you change the 12 month switching programme we recommend you to enter the changes in the relevant table in Section 16 4 2 3 1 Call up the 12 month switching programme 0950 MENU Call up menu FR 10 fi DATE TIME Scroll through the menu until you see the following screen Menu S menu OK Choose the 12 month switching programme menu item O IN 13 Display for a switching command in the 12 month switching programme E Explanations 13 day 0 aac 03 m
47. see also Section 3 2 SERVice parameter P06 4 control model SERVice parameter P11 1 room temperature recording SERVice parameter P17 6 proportional band MOD5 Cascaded chilled beam system control with dew point monitoring and c o input NRT 107 clo 7 3pt 2x2pt TR B10165 Important SERVice parameters see also Section 3 2 SERVice parameter P06 5 control model SERVice parameter P29 2 function relay output 7000986003 R2 Sauter Components 42 MOD6 Room air supply air cascade type control for heating cooling with shift in room temperature setpoint NRT 107 by Spt 2x2pt TR B10166 Important SERVice parameters see also Section 3 2 SERVice parameter PO6 6 control model SERVice parameter P20 6 proportional band Pl controller SERVice parameter P21 600 reset time Pl controller SERVice parameter P29 3 function relay output MOD7 Chilled beam system control and underfloor heating with dew point monitoring fof H A Spt 2x2pt B10167 Important SERVice parameters see also Section 3 2 SERVice parameter P06 7 control model SERVice parameter P20 6 proportional band Pl controller SERVice parameter P21 600 reset time Pl controller SERVice parameter P29 3 function relay output MOD8 Cascaded underfloor heating cont
48. switch on time for P controller for MOD 3 4 7 see P06 2 window contact Range 0 5119 0 1 0 3 0 100 0 1 8 C 36 C 10 C 38 C 0 2 6 0K 6 0K 6 0K 6 0K 0 4 0 1 1 K 20 K 4 min 30 min 0 50 15 Step size 1K 1K 0 1K 0 1K 0 1 5 Sauter Components 16 fm Step Number Description Range size P20 40 40K proportional band Pl controller for MOD 1 2 5 6 8 see P06 2 K 100 K 1K P21 240 240 seconds integral action time Pl controller for MOD 1 2 5 6 8 see P06 15 s 6000 s 5s P22 120 120 seconds valve running time for MOD 1 2 5 6 8 see P06 30 s 300 s 5s P23 10 10 C minimum limitation of flow temperature for MOD 5 6 8 see P06 0 C 100 C 5K P24 50 50 C maximum limitation of flow temperature for MOD 5 6 8 see P06 20 C 130 C 5K P25 1 0 1 0 K dead zone Xtn for operating stage T2 for MOD 2 4 6 7 8 see P06 0 2 K 10 K 0 2K P26 10 0 10 0 K dead zone Xtr for operating stage T1 for MOD 2 4 6 7 8 see P06 0 4 K 20 0 K 0 2K P27 0 Reduced operating mode 0 2 1 0 valid for heat and cool 1 only valid for heat 2 only valid for cool P28 1 Frost protection and overheating protection 0 3 1 0 not enabled 1 frost protection enabled 2 overheating protection enabled 3 frost protection and overheating protection enabled P29 3 Function of relay output abbreviations PT pilot timer pump fan P F
49. the pump or the fan in heating and cooling mode relay acts as a pilot timer output which is controlled by the switching programme In this way the NRT 107 can syn chronously control other available room temperature controllers without a timer switching programme between nor mal operating mode and reduced operating mode Normal operating mode causes the relay to open Reduced oper ating mode and Off mode cause the relay to close 5 relay has the same function as for value 4 for SERVice parameter P29 In addition consideration is given to the in fluence of the function input PROG see SERVice parameter P15 on the operating mode 6 relay has the same function as for value 5 for SERVice parameter P29 In addition consideration is given to the in fluence of an un limited change of operating mode normal operating mode reduced operating mode or Off mode 7 output H C i e the relay output is open if the controller is in heating mode and closed if the controller is in cooling mode RON 0 P30 Anti jamming function for valves and pumps To prevent any damage to the heating circulation pump and the valve while they are at a standstill it is possible to have the pump and the valve activated for a brief period at regular intervals The protection for the heating pump and or the valve is activated by the value of SERVice parameter P32 If the function is active the outputs are activated sequentially on the follow ing Sunday at 00 00 hrs if the h
50. ting modes are defined with the help of SERVice parameters P25 and P26 P28 Frost protection and overheating protection This function enables frost protection and overheating protection for the installation The protective functions intervene provided that they have been enabled using SERVice parameter P28 and that the controller is not in manual mode This SERVice parameter makes it possible to enable the frost protection function only P28 1 the overheating protection function only P28 2 or both protective functions P28 3 If the value for the measured room temperature falls below the frost protection limit of 8 C the frost protection function inter venes If the room temperature rises above 9 C the frost protection function is switched off again If the measured room tem perature rises above 38 C the overheating protection intervenes If the room temperature then falls below 37 C the overheat ing protection is switched off again 7000986003 R2 Sauter Components 20 P29 Relay output function The relay contained in the NRT107 can be used for various functions The function is selected using the value for SERVice parameter P29 The following possibilities are available depending on the value relay is open relay is used to trigger the pump or the fan as long as the controller is in heating mode relay is used to trigger the pump or the fan as long as the controller is in cooling mode relay is used to trigger
51. ure controller cascade heat cool 4 pipe 3 and 2 pt Language 0 German 1 French 2 English 3 Italian 4 Spanish 5 Czech 6 1 7 Units for temperature shown 0 C 1 F minimum limitation for setting range room temperature setpoint TRmin maximum limitation for setting range room temperature setpoint TRmax Measurement of room temperature 0 measurement of room temperature using internal NTC sensor with the additional possibility of dew point monitoring 1 measurement of room temperature using external Ni1000 sensor 2 internal NTC and external Ni1000 sensors and measurement of room temp with averaging Influence of wall when room temperature is measured with internal NTC sensor Influence of wall when room temperature is measured with external Ni1000 sensor Input function w c o 0 function not enabled 1 change over 2 change over with cooling block 3 shift w with 1 K V also requires replugging of jumper see MV 505782 or MV 505783 4 shift w with 1 6 K V also requires replugging of jumper see MV 505782 or MV 505783 PROG input function also see Table 1 0 absence 1 presence 3 remote switching 4 fault indication 5 keypad lock 6 change over 7 change over with cooling block Direction of operation for PROG input 0 active closed 1 active open 2 K proportional band P controller for MOD 3 4 5 6 7 8 see P06 4 minute period duration for P controller for MOD 3 4 7 see P06 10 minimum
52. urn straight to auto matic mode by pressing lt ESC gt a warning appears in the display 7000986003 R2 Sauter Components 4 2 2 Weekly switching programme 25 The weekly switching programme repeats itself every week It comprises up to 42 switching commands comprising the time and the operating mode The time can be entered in a 10 minute grid The switching commands can be changed individually and are captive A switching command can be valid daily 1 7 or on a certain day Mon Tue etc If there is a switching command for a specific weekday Mon Tue etc the daily switching command 1 7 does not apply on this day When the memory for the weekly switching programme is full the word End appears in the display An empty switching programme is interpreted as a switching programme with normal operating mode as the operating mode In automatic mode the clock symbol without an index of 1 is shown on the LCD when the weekly switching programme is empty Factory setting for weekly switching programme a Mon Thu from 06 00h IR a Fri from 06 00h R A Sat from 07 00h A a Sun from 07 00h RJ from 22 00h from 22 30h from 23 00h from 22 00h ay if ay it Lit Lit If the factory setting for the weekly switching programme is changed we recommend you to enter the changed values in the relevant table in Section 16 4 2 2 1 Call up the weekly switching programme 219 00 ME
53. y setting this function is enabled via SERVice parameter P14 If the c o signal is used the outputs for cool can be blocked In this case the cooling valve is closed This can be enabled disabled in SERVice mode Factory setting not active See SERVice parameter P15 An input is available for an analogue signal of 0 10V The room temperature setpoint is in creased in relation to the adjusted setpoint for room temperature with an influence of 1 K V or 1 6 K V A shift is implemented for a voltage of more than 0 5V This can be enabled disabled in SERVice mode Factory setting not active See SERVice parameter P14 The pump or fan and the valve outputs can be triggered separately in manual mode For MOD 7 a choice is also made between heat or cool valves The setting is menu guided if manual mode has been enabled Manual operation is enabled in SERVice mode In the factory setting manual mode is not enabled The relay output can be configured as a pilot timer signal In this case the effect of operating modes OFF and reduced is that the relay contact is closed Normal operating mode causes the contact to open Configuration is carried out in SERVice mode The influence of ab sence presence and the function PROG on the pilot timer signal can also be defined in SER Vice mode The factory setting for the relay output is used to trigger a pump or a fan for heat and cool Sauter Components 48 14 Overview of cont

Air-conditioning controller

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