Operating Instructions - Paul Wärmerückgewinnung
Contents
1. Cooling Heating mode control by digital entry An extra external system determining in which mode heat cool the coil must operate and delivering the information free of potential contact to the SAT TAC4 BA KW is necessary Allows shutting down the coils via digital input 4 13 Display on the RC TAC4 a Standard display By default only airflow and fan pressure values as well as alarm status are displayed on the LCD b Display all the parameters Press on the left knob on the diagram so that the SETUP LED ignites By pressing f and it is possible to display the status of all the working parameters maxi type and built in options CT pre post heating working mode and set values airflow pressure of each fan pressure alarm setup CA LS working mode only alarm status status of K1 K2 K3 IN1 IN2 IN3 IN4 INS IN6 IN7 IN8 IN9 inputs status of the bypass status of the anti freeze protection T values of sensors 1 2 3 4 5 4 and 5 options status of the CT option 32 4 14 Fan failure alarm It is possible with a SAT3 mounted on the TAC4 DG option to provide the fan status control if actual delivered airflow gt 20 of airflow assignment or if they are stopped using the R3 relay of one of the SAT3 O R 2 This feature provides an increased safety with regard to the start instruction control because there is a control on the fact that the fan is actually running closed loop principle Wir2. and supply Fans F1 F2 airflows Enter TS3 starting time If empty time slot is inactive For TS3 enter coefficient 96 applied to the pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans For TS3 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows Enter TS4 starting time If empty time slot is inactive For TS4 enter coefficient 96 applied to the pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans For TS4 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows mode on SUPPLY EXHAUST TIME 1 CPs on SUP 100 CPs on EXH 100 TIME 2 CPs on SUP 100 CPs on EXH 100 TIME 3 CPs on SUP 100 CPs on EXH 100 TIME 4 Enter TS1 starting time If empty time slot is inactive For TS1 enter coefficient 96 applied to the supply pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans For TS1 enter coefficient 96 applied to the exhaust pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans Enter TS2 starting time If empty time slot is inactive For TS2 enter coefficient 96 applied to the supply pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans For TS2 enter coefficient 96 applied to the exhaust pressure
3. NV coil with 3 way valve compulsory If no postheat option is used this input can display the actual output T option Display of value for T sensor T7 If SAT TAC4 BA KW option sensor used to monitor anti frost protection of BA coil Display of value for T sensor T8 If SAT TAC4 BA KW option sensor used to monitor anti frost protection of BA coil Display of by pass status OPEN or CLOSED If NV option Display of output voltage that drives the 3 way valve on the NV coil 52 KWout Si option KWout XXX Display of output value used to drive the capacity of the KWout coil 54 OUT8 If BA option Xx xV Display of output voltage that drives the 3 way valve on the BA coil 56 TEMPS Display of dfan run time in hours if activated in advanced setup xxxxxx h 58 CT IN If CT option inlet damper CLOSED Display of status of damper CLOSED OPENING OPEN As of May 30th 2013 Although we put a lot of care in the making of our documentation we cannot be held responsible for any error and or omissions that could have slipped in 37
4. assignment defined in the basic setup Select 000 to stop both supply and exhaust fans Enter TS3 starting time If empty time slot is inactive For TS3 enter coefficient 96 applied to the supply pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans For TS3 enter coefficient 96 applied to the exhaust pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans Enter TS4 starting time If empty time slot is inactive 15 CPs on For TS4 enter coefficient applied to the supply pressure assignment defined in the SUP 100 basic setup Select 000 to stop both supply and exhaust fans 16 CPs on For TS4 enter coefficient applied to the exhaust pressure assignment defined in EXH 100 the basic setup Select 000 to stop both supply and exhaust fans MONDAY If DAY OFF option activated for MONDAYs select AUTO normal time slots setup is AUTO active or OFF no ventilation on Monday al If DAY OFF option activated for WEDNESDAYs select AUTO normal time slots AUTO setup is active or OFF no ventilation on Monday FRIDAY If DAY OFF option activated for FRIDAYs select AUTO normal time slots setup is AUTO active or OFF no ventilation on Monday en If DAY OFF option activated for SUNDAYs select AUTO normal time slots setup is AUTO active or OFF no ventilation on Monday 4 4 3 Use To shift from manual mode airflow select
5. exchange is 1 C If necessary this value can be changed using the advanced setup feature TACA DG regulation antifrost functions e Asolid state relay controlled by the TAC4 DG regulation controls the coil s capacity in function of the assigned T and of resulting exhaust T e he control only allows the heating coil to be operated if the supply fans are in working This wiring is factory made e Post ventilation feature see advanced setup 28 If the fans are requested to stop the R3 relay is opened and therefore the power supply to the coils is also shut down The fans continue running for 90 seconds to insure post ventilation of the electrical coils e f conditions make that the pre heating coil KWin does not deliver enough capacity to reach the floor T assignment and therefore not insuring the anti frost duty the control will modulate the in and out airflows as follows a If T lt 1 C and T lt floor T 1 5 C for more than 5 minutes If CA and LS mode reduction of in and outgoing airflows to 66 of the assigned airflows If CPs Mode reduction to 75 of the assigned pressure This setup is maintained during 15 minutes after which the 100 airflow pressure assignment is reestablished Display text LED LED Pa LED AL1 Relay R2 Relay LED AF ALARM ALARM on SAT3 O R 1 AF T RED ON ON Assignment ALARM reduction REDUCED AIRFLOW b If T lt 5 C during 5 minutes the unit is stopped D
6. inputs K1 K2 K3 on the TAC4 DG have to be disconnected from the 12V e Work in RC TAC4 master and switch in position TAC4 DG master to activate automatically a sleep value attention K1 K2 K3 on the TAC4 DG have to be properly connected to activate this value 4 3 Fan control 4 3 1 Working modes The various working modes give the user the choice on how the airflow must be modulated according to your application In all the working modes the supply fan will operate according to the assigned mode and parameters The airflow of the exhaust fan will then equal to a percentage of the actual airflow of the supply fan noted EXT PUL for ratio between exhaust and supply airflows The RC TAC4 allows configuration of one of the following 4 modes e CA MODE 3 constant airflow assignments for the supply fan are determined by the user m h K1 m h K2 and m h K3 e LS MODE The assigned supply airflow is a function of a 0 10V linear signal The user defines the link with 4 parameters Vmin Vmax m h Vmin and m hzVmax applied to the following diagram With m h Vmin lt or gt m hzVmax positive or negative link Using the advanced setup it is possible to stop the fans once the input signal value has reached a certain upper and or lower limit e CPs MODE CPs on supply the airflow of the supply fan s is modulated so as to maintain constant a certain pressure value measured by a pressure sensor properly located in the duct
7. manual gt Caution special note A Risk of Injury of the user or the installer damages to the device impairment of the operation of the device if the instructions are not carried out properly 2 FUNCTIONALITIES OF THE REGULATION The TAC4 DG controller is mounted in the units of maxi series This handbook describes the functionalities of the TAC4 DG when using an RC TAC4 display The TAC4 DG with RC TAC4 controller provides the following features Monitoring of the fans exhaust and supply in chosen working mode constant airflow CA constant pressure CPs or constant airflow linked to 0 10V signal LS e g CO2 sensor Management of 4 timeslots Alarms on defects set points overpressure Fire alarm airflow management BOOST function allowing to force a pre set airflow supply exhaust overriding the assigned airflow Automatic management of the 100 bypass to allow free cooling Automatic management of inlet dampers CT Heat exchanger antifreeze protection system by modulation of airflow or with an intelligent pre heat electrical coil KWin Post heating management of water coil NV or electrical coil KWout battery to keep a set temperature constant Display of the settings and working fans Analogical output signals of airflow and pressure Advanced setup The following options can be combined with TAC4 DG controller s SAT TAC4 BA KW Option Regulation of 2 external heat exchangers elec
8. see 4 5 1 and 4 5 2 e Sensor failure alarm see 4 5 1 and 4 5 2 30 4 11 1 Wiring diagram of the 3 way valve e 3 ways valve wiring to TAC DG circuit BSB iE O O o GND OUT4 OUTS NV VO Vanne 3 voles 3 wegkraan 3 way valve GND blue wire NV red wire VO brown wire e Wiring of supply air T sensor to TAC DG circuit 12V IN1 IN2 IN3 IN4 INS ING IN INS INS 12V e Switching of a relay to control the circulator SAT3 O R 3 relay Circulateur Circulateur ON OOj O GND T 5 Sonde T T Sonde T sensor 0 010 GNDOUT1 OUT2 31 e Possibility to stop the post heating with an external contact 12V IN1 IN2 IN3 IN4 INS IN6 IN INS INS 12V Contact closed post heating OFF Contact open post heating ON 4 12 Regulation for external coil s SAT TAC4 BA KW option Via option SAT TAC4 BA KW it is possible to control one or two external from the unit heat exchanger s One heating coil One water cooling coil One heating cooling coil reversible coil One heating coil one cooling coi separate One electrical coil One electrical coil one cooling coil SAT TAC4 BA KW Controls the coil s capacity by keeping a supply air temperature constant equals to the assignment This assignment can be defined for each coil when configuring the setup Controls the water coils antifrost protection Triggers command for circulator s
9. start the setup Enter in the setup mode using the left knob on the diagram so that the SETUP LED ignites lg Press then the SETUP knob until the text SETUP appears on the screen The idea is to select your choice with the f knobs and then to confirm your choice by pressing ENTER The numbers are introduced digit by digit 2 HEATING Only available with post heating exhanger s Select the supply T to the heating T xx C exhanger which is connected to the SAT BA 4 WORKING MODE Select CPs from CA LS CPs 6 on K3 Input of multiplier on the CPs assignment when contact between terminals 12V and K3 in the TAC4 DG circuit is closed or if knob Ill is activated on the RC TAC4 8 TIME Select Y to activate the time segment scheduling function SEGMENT N 10 mt For more details see 3 4 12 INIT via f Y is selected in 7 then select if you want to initialize the CPs reference automatically AIRFLOW via the airflow or manually via the pressure value 15 If INIT CPs via AIRFLOW default the maxi unit automatically determines the reference pressure 14 INIT EXH Enter nominal airflow to determine the pressure assignment CPs on the exhaust 0000 m h airflow if EXHAUST or SUP EXH was selected at step 5 16 INIT EXH Resetting of CPs assignment on exhaust air busy if EXHAUST or SUP EXH was xx x V selected at step 5 5 After 1 minute the system will memorize the pressure measured by the sensor
10. x V if LS CPs Status of input K3 OPEN or CLOSED Status of input IN1 OPEN or CLOSED Select master RC or CB TAC4 Status of input IN2 OPEN or CLOSED Pressostat externe pour alarme de pression Status of input IN3 OPEN or CLOSED Fire alarm Status of input IN4 OPEN or CLOSED Force bypass open command independent from T conditions Status of input IN5 OPEN or CLOSED Time table management automatic closed or manual open Status of input IN6 OPEN or CLOSED Internal or external Post heating option on off Status of input IN7 OPEN or CLOSED On Off of supply fan s in case of fire alarm Status of input IN3 OPEN or CLOSED On Off of exhaust fan s in case of fire alarm Status of input IN9 OPEN or CLOSED BOOST function Status of input IN10 OPEN or CLOSED SAT TAC4 BA KW On Off for external cooling coil on supply side option Status of input IN11 OPEN or CLOSED SAT TAC4 BA KW selection of Heat Cool logic for external coil regulation option Display of the actual value C on sensor T1 outside T used for bypass control Display of the actual value C on sensor T2 inside T used for bypass control Display of the actual value C on sensor T3 resulting exhaust T used for antifrost control If NV option post heating water Display of actual value of T sensor T4 used for coil antifreeze control If postheat option display of value of T5 used for the T control system of
11. Control unit TAC4 DG RC Installation and maintenance p Z PAUL WARMERUCKGEWINNUNG Operating INnsvrucwons Please keep carefull Status 06 2013 Paul Warmeruckgewinnung GmbH August Horch Stra e 7 08141 Reinsdorf Germany Tel 49 0 375 303505 0 Fax 49 0 375 303505 55 Table of contents PLEIMDIE sicccuccoveccrsnauneceessvisanstaueacersevereurauedaussnsuvagudcuvosensmeuwecusseuesenceeuwacneesuncesvauueeeutenmecaneueymecuas 3 INLFOAUCL ON ea a ana denon asec neu beams nouns teadwan neue E RENEE ER GE lucas 3 OY 2 nee eee ear 3 ISCG SVIMDOIS is rn Meere 3 FUNCTIONALITIES OF THE REGULATION eeeeeene eee ee nennen nennen nnn nnn 4 GENERAL MAINTENANCE INSTRUCTIONS 1 eeeeeeeeeee eene nennen nnn nnn nn nnn 5 erue 5 Generell schematic of the MAXI SELICS ccccccecccceececeeeeeeee cesses eesseecesaeeeeseucesaeeeeseeeeeseneetenes 5 Schematic of the T sensors positioning in the maxi unit eee eeeeeeeeeeeeeeeeeeeeeeeeeaeeeeeens 6 Control panel 3 label located inside the cover ccccscccccsececceececceeeseecessecesseeeseeeesaneeesaes 6 REGULATION CONFIGURATION WIRING OPERATING eee 7 Connecting the RC TACA to the CB4 TACA DG circuit i ecccceeeeeeeeeeeeeeeeeeeeeeesaaeeeeen
12. INIT EXH corresponding to the nominal airflow xxxx m Display of exhaust fan s actual airflow and of the sensors actual value while resetting 18 END SETUP The configuration of the system is finished 13 SUP REF Enter the pressure assignment value for the supply air if SUPPLY or SUP EXH was xx x V selected at step 5 15 ALARM Possibility to reset the alarms Y or N RESET CPs on SUPPLY air The airflow delivered by the supply fans is automatically modulated to obtain a constant pressure as measured by the pressure sensor in the duct The exhaust airflow is equals to JoEXT PUL of the supply airflow CPs on EXHAUST air The airflow delivered by the exhaust fans is automatically modulated to obtain a constant pressure as measured by the pressure sensor in the duct The supply airflow is equals to 1 EXT PUL of the exhaust airflow CPs on SUPLY EXHAUST air the supply fan s airflow is automatically modulated to obtain a constant pressure as it is measured by a pressure sensor connected to K2 And the exhaust t fan s airflow is automatically modulated to obtain a constant pressure as it is measured by a pressure sensor connected to K3 4 3 4 2 Operating CPs mode with RC TAC4 master e The start stop of the fans is controlled by knob and OFF e The pressure sensor is connected to entry K2 of the TAC4 DG circuit If CPs on SUPPLY EXHAUST is selected connect the supply airs pressure sensor on terminals K2 and GND and the
13. LILO BL AD Lore ee ee d uu RE E eee 24 VV IPI CIA GT ANS een 25 FrealalMe eee een mn E DD o ieliege 25 reser T 25 Wiring diagram OF fite alafrmss eu I u 25 BOOST IUNCUON NON TIRE 26 SODIUM Mou uter MeL M PM LM MI M HL MeL tod tue DE 26 VAIEIRTOL OIL CIE DIETE osos Goo ee ea Matta c i Mid ui AREAS M dU 26 BYPASS TUNCUON Mee Coon Mer see aan a 26 OBerallng deseriplion nase 26 Additional t neli ngzes entstehen 27 WY ICG NAGI aM te rU 27 Opening closing of dampers CT option at inlet uss 4440B4enen nennen nnnnnnnnennnn nenn 27 4 9 4 9 1 4 9 2 4 10 4 10 1 4 11 4 11 1 4 12 4 13 4 14 4 15 4 16 9 1 5 2 Heat exchanger antifrost protection SYStOM cccccccccccsseeeeeseeeeeeseeeeeseeeeesaaeeeesseeeeeesaeeeeeas 27 Protection antifreeze via pulse flow reduction 00022200220000nennnnennennnnne nenn nnnnnenennnenn 28 Antifrosting the heat exchanger with 1 pre heating KWin option sse 28 KWout post heating electrical coil control option uu0044400Rnennnn nennen nennen een 29 Winnog diagram S costoso saci apices eU Rc etis condacuedusnvoudencasaunthanenteatedapiut ea eanedenecuaa teen S AORE 30 Post heating NV option regulation ccccccccseeeeeeeeeeeeeeeeeeeeeeeeeesseeeeseeeeeeeseegeeessegeeeeseeeeeeas 30 Wiring diagram of the 3 way valve sssssssssssssseseeneeene nennen nennen nnn nennen nnn 31 Regu
14. OUT2 actual pressure of fan 1 supply 4 16 Advanced setup Using this feature requires a good knowledge of the TAC4 DG control system The functions of the ADVANCED SETUP are described in Annexes 1 and 2 of the Installation and maintenance Instructions The advanced configuration allows modifying the parameters not present in the basic configuration Stop fans if pressure alarm activated Fans start torque Prevent stop of the fans deactivation of the softstop function Fire alarm configuration Bypass T Airflow if bypass open Force bypass opening whatever the T AF anti freeze configuration NV speed option if NV installed OUT1 and OUT2 definition In LS mode stop of the fans if Vin and or gt set value s In CPs mode positive or negative logical reaction speed of the CPs algorithm Post ventilation configuration Fan run time configuration Display alarms only Access code configuration Factory reset 34 5 TAC4 DG RC Visualization 9 1 Default display The default setting displays actual airflow pressure and alarm if activated of the fans loop 1 9 1 m 1 2 3 5 2 SUPPLY 1 XXXX mh SUPPLY2 xxxx mh EXHAUST 1 xxxx m h EXHAUST2 xxxx m h Alarm xxx Display actual supply fan1 airflow m3 h If maxi 4002 5002 6002 Display actual supply fan2 airflow m3 h Display actual exhaust fan1 airflow m3 h If maxi 4002 5002 6002 Display act
15. See 2 in table below Type 3 Alarm indicating a problem while initializing reference pressure for a pressure alarm 4 possibilities e Actual airflow lt requested airflow The requested working point is too high too much pressure for the maximal available pressure at the requested airflow for this fan e Actual airflow gt requested airflow the nominal airflow requested to initialize the pressure alarm cannot be reached because the lower limit of the fan s operating zone has been reached e Very unstable pressure pumping e Assigned airflow not reached after 3 minutes See 3 in table below Par cannot be identified and the fans are stopped Press RESET using SETUP on the RC TACA or with the RESET key on the TAC4 DG circuit If it occurs during initializing an alarm pressure 2 options 1 No action is taken the control will operate without pressure alarm 2 Corrective action is taken change the working point to one well located in the working zone of the fan by reducing the pressure system modifying the nominal airflow and restart the setup operation f it occurs during initializing of the assignment pressure in CPs mode A corrective action must be taken change the working point to one well located in the working zone of the fan by reducing the pressure system modifying the nominal airflow and restart the setup operation Type 4 Alarm indicating the system cannot fulfill the ass
16. TER The numbers are introduced digit by digit 12 1 LANGUAGE Choose your language English French Dutch German 2 alle Only available with post heating exchanger s Select the supply T to the heating T xx C exchanger which is connected to the SAT BA 3 COOLING Only available with post cooling exhanger s Select the supply T to the cooling T xx C exhanger which is connected to the SAT BA 4 WORKING Select LS from CA LS CPs MODE 5 V min Select minimum voltage value 6 V max Select maximum voltage value 7 m hzVmin Select constant airflow value for minimum voltage Vmin 8 m h Vmax Select constant airflow value for maximum voltage Vmax 9 96 on K3 Select constant airflow multiplier when contact between terminals 12V and K3 in the TAC4 DG is closed or if position Ill is activated on the RC TAC4 10 JoEXH SUP Type in ratio between exhaust EXH and supply SUP airflow to create over under or even pressure 11 TIME Select Y to activate the time segment scheduling function SEGMENT N 12 CONFIG Select Y to activate time segment function TIME N 13 n For more details see S 4 4 14 PRESSURE _ The pressure alarm is optional If you do not wish it select N and skip to step 16 ALARM Otherwise select Y For more details see S 4 5 15 AP SUP Type in the pressure increment for the supply airflow 16 AP EXH Type in the pressure increment for the exhaust airflow 17 INIT Pa Do you wish to re configure the
17. aust fans 10 EXH SUP For TS2 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows 100 12 SET VAL For TS3 enter coefficient applied to the base link configured between V value LS 000 and airflow value cfr m h Vmin and m hzVmax in setup Select 000 to stop both supply and exhaust fans 43 EXH SUP For TS3 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows 100 15 SET VAL For TS4 enter coefficient applied to the base link configured between V value LS 000 and airflow value cfr m h Vmin and m hzVmax in setup Select 000 to stop both supply and exhaust fans 16 EXH SUP For TS4 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows 100 SET VAL For TS1 enter coefficient applied to the pressure assignment defined in the basic CPs 000 setup Select 000 to stop both supply and exhaust fans 19 20 JoEXH SUP 100 TIME 2 SET VAL CPs 000 JoEXH SUP 100 TIME 3 SET VAL CPs 000 JoEXH SUP 100 TIME 4 SET VAL CPs 000 JoEXH SUP 100 For TS1 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows Enter TS2 starting time If empty time slot is inactive For TS2 enter coefficient 96 applied to the pressure assignment defined in the basic setup Select 000 to stop both supply and exhaust fans For TS2 select airflow ratio between exhaust fans F3 F4
18. be configured by the installer It is automatically de activated if an optional KWin pre heater see 4 9 2 is installed in the unit Description In order to avoid the risk of frosting the heat exchanger the supply airflow is linked to the temperature value of the exhaust airflow measured after the heat exchanger sensor T3 e T3 gt 3 C the assigned airflow is as defined by SETUP e 0 C lt T T3 lt 3 C the airflow assigned by SETUP is automatically modified as follows I CA or LS working mode the supply airflow will progressively drop down to 33 AF iow of the assigned airflow AF f CPs mode the assigned pressure will drop to 50 AFiww of the assigned pressure AF In these conditions LED AF is ON e T3 lt 0 C the supply airflow is stopped for as long as T T3 lt 1 C during 5 minutes In these conditions LED AF is blinking All these temperature SET values can be modified using ADVANCED SETUP Antifreeze diagram M LED AF ON i 1 ALED AF blinking 4 9 2 Antifrosting the heat exchanger with 1 pre heating KWin option If a KWin pre heating coil is option is installed in the maxi unit the heat exchanger is protected from frosting by a modulating electrical coil assigned to maintain a pre set temperature at the outlet of the heat exchanger in the exhaust airflow The KWin is delivered ready to use from the factory The default assignment T after heat
19. ction of the maximum airflow when the bypass is open 26 4 7 2 Additional function When the bypass is open fans may Either continue to operate the same way as when the bypass is closed Either operate at a fixed exhaust and supply airflow rate These airflow values can be re set via the SETUP AVANCE 4 7 3 Wiring diagram Opening of the bypass can be forced whatever the T with an external contact 0 o o0 o 0 o 0o o 0 o o 12V IN1 IN2 IN3 IN4 INS ING IN INS ING 12V Contact open automatic bypass operation in function of T1 T2 and setup values Contact closed bypass is open whatever T1 and T2 values Bypass status BYPASS OPENED CLOSED 4 8 Opening closing of dampers CT option at inlet The opening and closing of a damper s mounted at both supply and exhaust air inlets are automatically managed by the TAC4 DG regulation The actual fan startup is delayed to allow prior opening of dampers When fans are stopped the dampers are closed 4 9 Heat exchanger antifrost protection system There is a risk of frosting the heat exchanger in the exhaust airflow Two antifrost protection systems are available e Supply air volume reduction less cooling capacity 27 e Modulation of capacity of an electrical coil located before the inlet air enters the heat exchanger KWin option 4 9 1 Protection antifreeze via pulse flow reduction This functionality is built in the standard TAC4 DG and must not
20. e CA and LS modes If activated pressure alarm data on exhaust side If pressure alam is activated display of setup values m3 h Pa at which alarm will be turned on for the exhaust side CA and LS modes 35 36 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ACTUAL VALUES SUPPLY 1 xxxx m h SUPPLY 1 xxxx Pa SUPPLY2 xxxx m h SUPPLY2 xxxx Pa EXHAUST 1 xxxx mh EXHAUST 1 xxxx Pa EXHAUST2 xxxx mh EXHAUST2 xxxx Pa K1 OPEN K2 XXXXXX K3 OPEN IN1 OPEN IN2 OPEN IN3 OPEN INA OPEN IN5 OPEN IN6 OPEN IN7 OPEN IN8 OPEN IN9 OPEN IN10 OPEN IN11 OPEN ue REG 1 2 XXX C 173 REG T 4 XXX C eS XXX C T 7 XXX C T 8 RE BYPASS CLOSED NV XX X V Display of actual values Actual airflow delivered by fan 1 supply side Actual counterpressure on fan 1 supply side If HRg 4000 5000 6000 Actual airflow delivered by fan 2 supply side If HRg 4000 5000 6000 Actual counterpressure on fan 2 supply side Actual airflow delivered by fan 1 exhaust side Actual counterpressure on fan 1 exhaust side If HRg 4000 5000 6000 Actual airflow delivered by fan 2 exhaust side If HRg 4000 5000 6000 Actual counterpressure on fan 2 exhaust side Status of input K1 OPEN or CLOSED Status of input K2 OPEN or CLOSED CA mode or xx
21. ected in parallel Wi K KS AN viv It It N3 Be INS ING K2 gt 0 10V signal maximum impedance allowed 1500 Q 4 3 3 3 Operating LS mode with TAC4 DG master The assignment value for the supply constant airflow is a function of a 0 10V signal connected to terminals K2 of the TAC4 DG circuit The link between voltage and airflow is linear The exhaust constant airflow is equal to EXT PUL of the supply airflow except if 2 separate 0 10V signals are used to determine exhaust and supply constant airflows see advanced setup e Starting stopping the fans is carried out with entry K1 on the TAC4 DG circuit e The pressure sensor is connected to entry K2 of the TAC4 DG circuit e he K3 entry of the TAC4 DG can be used to activate the pre set multiplier on K3 Wiring diagrams a Wiring to 1 circuit BSHS Se BSB o JoJo o ooloj lololo K1 K2 K3 12V 12V IN1 IN2 IN3 IN4 INS INS INT INS INS 12V GND T 5 GNDOUT1 OUT2 0 10 Vde b Wiring to several circuits in parallel INJ IM4 INS ING INT INB INQ 12v GNO TS GNDOUTI K1 closed soft start K1 open softstop K2 gt 0 10V signal maximum impedance allowed 1500 Q K1 K3 closed on K3 activated K3 open gt on K3 inactive Caution use gold plated contacts only 4 3 4 CPs mode setup operating instructions and wiring diagrams 4 3 4 1 Setup CPs mode The setup is made by means of the LCD screen and the 4 knobs SETUP f and ENTER of the RC To
22. ed AL1 DEFAULT ALARM B A GND f 12V connection to the RC TAC4 K1 CA MODE m h K1 LS CPs MODE START STOP K2 CA MODE mh K2 LS CPs MODE 0 10V INPUT K3 CA MODE m h K3 LS CPs MODE ON K3 IN1 Master selection IN2 dPa external pressostat digital input IN3 Fire alarm IN4 Bypass INS Real time clock auto manu ING ON OFF post heating NV KWout IN7 ON OFF SUPPLY if fire alarm INS ON OFF EXHAUST if fire alarm IN9 BOOST OUT1 0 10V OUTPUT airflow pressure OUT2 0 10V OUTPUT airflow pressure O R 1 output relay 1 SAT3 PRESSURE ALARM O R 2 output relay 2 SAT3 FAN ON O R 3 output relay 3 SAT3 WATER PUMP for NV option O R 4 output relay 4 SAT3 BYPASS STATUS SAT MODBUS option see installation manual SAT BA KW option see installation manual 4 REGULATION CONFIGURATION WIRING OPERATING The regulation is delivered fully factory pre wired Nevertheless the TAC4 RC remote control and the i o signals if any must still be wired by the installer 4 1 Connecting the RC TAC4 to the CB4 TAC4 DG circuit The connection between the various circuits is made by a communication bus Follow these steps to connect the RC TAC4 to the CB4 TAC4 DG 4 1 1 Open the RC TAC4 casing Remove the cover Points for fixation of the casing spacing 88mm RC dimensions 122 x 66mm RC TAC4 wiring terminals install it outdoors for in
23. exhaust air s pressure sensor on terminals K3 et GND e The Ill knob on the RC allows activating the airflow multiplier on K3 on the airflow assignment 16 a Wiring to 1 circuit Ser o o o eo ololololo K1 K2 K3 12V 12V N1 IN2 IN3 IN4 INS ING INT INS INS 12V GND T5 GNDOUT1 OUT2 0 10 Vde b Wiring to several circuits in parallel cicer m mm ses BAR EN Ki KK BAN 3 K EX HN tw Mi M BH INS IN INT Nein GND TE GNDOUTI OUT K2 gt 0 10V signal maximum impedance allowed 1500 Q 4 3 4 3 Operating CPs mode with TAC4 DG master e The start stop of the fans is controlled by entry K1 of the TAC4 DG circuit e he pressure sensor is connected to entry K2 of the TAC4 DG circuit e K3 on the TAC4 DG circuit can be used to activate the multiplier on K3 on the airflow assignment a Wiring to 1 circuit 12V IN1 IN2 IN3 IN4 INS ING INT INS INS 12V GND T 5 GNDOUT OUT2 0 10 Vde 17 b Wiring to several circuits in parallel K1 closed gt soft start K1 open gt softstop K2 gt 0 10V signal maximum impedance allowed 1500 Q K1 K3 closed gt on K3 activated K3 open gt on K3 inactive Caution use gold plated contacts only 4 4 Time slots schedules 4 4 1 Definition Die The TAC4 DG regulation allows to configure 4 time slots TS and to set OFF days For each time slot select n CA mode which airflow by selec
24. g diagrams e Wiring the supply T sensor to the TAC DG board oe e s joe e ele jelmae uio 12V INT IN2 IN3 IN4 INS ING IN INS ING 12V GND T 5 GNDOUT1 OUT2 Sonde T T Sonde T sensor e Possibility to stop the post heating with an external contact SS SSS S SIS SIS Si BSE eleleilelselejelalo o o 12V IN1 IN2 IN3 IN4 INS IN6 INT INS INS 12V Contact closed post heating OFF Contact open post heating ON 4 11 Post heating NV option regulation The post heating coil is delivered pre wired The 3way valve is delivered unmounted The NV option on the TAC4 DG regulation allows maintaining a pre set supply T constant The assignment T is set using the configuration menu see 4 3 2 1 4 3 3 1 or 4 3 4 1 according to the selected working mode SUPPLY If a post heating water coil NV option is present in the unit type in supply air xx C NV assignment T Control features of the TAC4 DG e Monitoring the 3 way valve to keep assignment T constant using supplied sensor T value e Engaging a relay to start a water circulator output SAT 3 O R 3 on i o module see 4 11 1 Antifrost protection of the water coil based on the value of T4 T sensor provided and pre wired If value T4 lt 4 C then the 3 way valve is opened and contact for circulator is closed during 15 minutes e Possibility to stop the post heating with an external contact connected to terminal IN6 see 3 11 1 e Assignment failure
25. i flat series drain pipe out 11 Air Air heat exchanger bypass 100 12 G4 filter on extract air G4 or F7 class filter fresh air maxi flat right model versions 13 Motorized damper at extract air inlet option 14 RC TAC4 gt All electrical connections made the installer are in 1 2 3 3 1 2 Schematic of the T sensors positioning in the maxi unit To allow easier identification of the temperature sensors 4 different wire colors are used T1 black wire T2 white wire T3 blue wire T4 amp T5 green wire not at maxi flat series 3 1 3 Control panel 3 label located inside the cover BYPASS 4 3 2 1 AN Kita Kia GO v GND T 4 T GNC Tz T BYPASS SAT MODBUS SAT MODBUS Rx Tx MOTOR CONTROL CABLES a c OUT N N OUT RESET Ol SAT BAKW WP WP GND Z 7 am om 29 W7 NW D 1 SAT BAKW D ojo 717v IN1 IN I1N3 IN4 INS INE INT INA ING 127 GND Ts END MM AUT AND OLTA CUTS Connexion to the RC TAC4 N vO cid 120136 BYPASS output to bypass actuator prewired CT output to CT actuator s option prewired KWout output for KWout power regulation option prewired KWin output for KWin power regulation option prewired 81 from outdoors T sensor prewired S2 from indoors T sensor prewired S3 to outdoors T sensor prewired S4 NV anti freeze portection T sensor option prewired S85 supply T sensor for NV KWout regulation option prewir
26. ignment 22 The assignment keeping certain airflow or a certain pressure constant cannot be fulfilled because the upper or lower limit of the fan s working zone has been reached See 4 in table below Type 5 Alarm indicating a data failure in the control circuit Crucial data from the circuit board has been lost Try a TOTAL RESET of the data using the advanced setup If still not solved send the defect TAC4 DG circuit for reprogramming See 5 in table below Type 6 Fire Alarm with an external contact connected to a fire detection system See 6 in table below For more details see 4 5 4 After a fire alarm it is necessary to perform a RESET via the SETUP of the RC TAC4 or the RESET button on the TAC4 DG circuit to return to normal operation Type 7 Alarm indicating maintenance is expected for configuration see advanced setup SERVICE ALARM indicates the fan operating time in hours has exceeded a certain limit set during the configuration STOP FAN indicates the fan operating time in hours has exceeded a certain limit set during the configuration This alarm stops the fans See 7 in table below Type 8 Alarm indicating a communication breakdown between the TAC4 DG circuit and the RC TAC4 This alarm indicates a communication problem between the 2 modules of the TAC4 DG regulation See 8 in table below Type 9 Alarm indicating a T sensor T1 T2 T3 failure One or more of the T sensors T1 T2 T3 c
27. ing CPs on exhaust the airflow of the exhaust fan s is modulated so as to maintain constant a certain pressure value measured by a pressure sensor properly located in the ducting e MODE OFF Is not a real working mode it is a way to temporarily shortcut the TAC4 DG master setup It allows if working in TAC4 DG master to stop the fans with the RC TAC4 But then to restart the fans it is required to choose one of the other 3 working modes 4 3 2 CA mode setup operating instructions and wiring diagrams 4 3 2 1 Setup CA mode The setup is made by means of the LCD screen and the 4 knobs SETUP 1 and ENTER of the RC To start the setup Enter in the setup mode using the left knob on the diagram so that the AUTO SETUP LED ignites C SETUP Press then the SETUP knob until the text SETUP appears on the screen The idea is to select your choice with the f knobs and then to confirm your choice by pressing ENTER The numbers are introduced digit by digit 1 LANGUAGE Choose your language English French Dutch German 2 HEATING Only available with post heating exhanger s Select the supply T to the heating T xx C exhanger which is connected to the SAT BA 3 COOLING Only available with post cooling exhanger s Select the supply T to the cooling T xx C exhanger which is connected to the SAT BA 4 WORKING Select CA from CA LS CPs MODE 5 m h K1 Type in supply airflow 1 will be activated if contac
28. ing diagram D O a o ora ao FAN OFF FAN ON 4 15 Actual airflow pressure output signals A 0 10V signal representing the actual airflow or the actual pressure delivered by one of the selected fans with a linear relation is a standard feature The output signals are located between terminals OUT1 OUT2 and GND on the TAC4 DG circuit Default setup OUT1 airflow fan 1 supply fan and OUT2 pressure fan 1 supply fan Table link between 0 10V signal and actual pressure or airflow value Linear equation Maxi series HEBR 28007180 52800718020 528007200 528007210 528007220 528007230 528007240 Pressure Pa 0 0 0 0 0 0 0 675 780 1090 1060 1090 1140 1075 Airflow m3 h 0 0 0 0 0 0 0 960 1450 2400 3600 2400 3000 3600 Airflow per fan Airflow x 2 to obtain actual total airflow Maxi flat series maxi flat 450 maxi flat 600 maxi flat 1000 maxi flat 1600 maxi flat 2000 Pressure Pa VE E70 m m TE Airflow m3 h 0 0 0 0 0 10 V 540 720 1200 1920 2400 33 Via the advanced setup it is possible to connect any of these 2 OUT signals to the airflow or pressure value of any fans Wiring diagram of outputs signals Grae e GND OUT1 OUT2 GND OUT1 OUT2 Airflow pressure signal Airflow pressure signal 0 10V 0 m h max 0 10V 0 m h max 0 10V 0 Pa max 0 10V 0 Pa max Default OUT 1 actual airflow of fan 1 supply Default
29. ion by selecting OFF Il III to automatic mode airflow selection per timeslots press selection knob left on picture until LED AUTO is lit 21 4 5 Alarms 4 5 1 Alarm types Type 1 Alarm indicating a fan failure This alarm indicates a failure of fan Fx This problem is usually caused by the motor If not the failure can be caused by an internal cable or by the TAC4 DG circuit See 1 in table 4 5 2 below Type 2 Alarm on the pressure variation CA and LS modes only This alarm indicates a pre established pressure level has been reached on fan Fx Pressure alarm setup in CA or LS mode see 4 3 2 1 and 4 3 3 1 PRESSURE The pressure alarm is optional If you do not wish it select N and skip to step 16 Otherwise ALARM select Y AP SUP Type in the pressure increment for the supply airflow AP EXH Type in the pressure increment for the exhaust airflow INIT Pa Do you wish to re configure the reference pressure for the supply and the exhaust airflows REF Y or N this is optional if it has been done previously m h INIT If Y is selected enter nominal airflow at which you wish to initialize the reference pressure same airflow for exhaust and supply air Pa REF Initializing the reference pressure INIT After 1 minute the system will memorize the calculated pressure value of the fan as the reference pressure While initializing the airflow and pressure on F1 is displayed xxxx m h xxxx Pa
30. isplay text LED LED Pa LED AL1 Relay R2 Relay LED AF ALARM ALARM on SAT3 O R 1 AF T RED ON Alarm Blink Stopped ALARM status STOP FANS Restart is made by resetting by pressing the RESET knob on TAC4 DG circuit or via the RC TACA 4 10 KWout post heating electrical coil control option The post heating coil is delivered factory mounted Its purpose is to keep a constant supply air temperature using the TAC4 DG regulation The assigned T is configured according to selected working mode see 4 3 2 1 4 3 3 1 or 4 3 4 1 SUPPLY If a post heating coil is present option type in set point T for supply air xx C KWo Features provided by the TAC4 DG regulation e Regulation of static relay of the electric coil in function of assigned supply T and actual measured supply T e To avoid overheating regulation checks if fans are operating before supplying electric coil This is factory pre wired e Apost ventilation of the coil function is available see advanced configuration When fans are requested to stop first the electrical coils are shut down then the fan operate for 90 seconds minimum value before stopping This feature cools the coils before actually stopping the fans e It is possible to stop the post heating with an external contact IN6 see detail in the S 4 10 1 e Set point alarm see details in section S 4 5 1 and 4 5 2 e Sensor alarms see details in section S 4 5 1 and 4 5 2 29 4 10 1 Wirin
31. lation for external coil s SAT TAC4 BA KW option eseeeeeeeeeeneee 32 Display on the RE TAC ep PT 32 Fan Tallure aleFiTi raus a a a a 33 Actual airflow pressure output signals u2220022200sssnnnenennnenennnnnnnnennennennnnnnnnnnnnnnnnennn 33 AVANCA SCC gre rH de ae 34 TAGS DG FRC VISUALIZATION mee 35 BEV F210 is FS 6 2 aU nee een a 35 DISPIAY allParameleis 22234 ee einen 35 0 Preamble PLEASE READ THIS MANUAL CAREFULLY BEFORE INASTALLATION AND COMMISSONING THIS MANUAL HAS BEEN MADE WITH GREATEST CARE HOWEVER NO RIGHTS CAN BE DERIVED THEREFROM WE RESERVE THE RIGHT AT ANY TIME TO PARTIALLY OR ENTIRELY CHANGE THE CONTENT OF THIS MANUAL WITHOUT PRIOR NOTICE This manual contains all the best for an assembly plant and a heat recovery unit HRU necessary information The manual also serves as a handbook for installation maintenance and customer service work We recommend that any intervention in the appliance installation company should be consulted Subject of this operating manual is the control unit TAC4 with the operating unit RC TAC4 Possible accessories are only described insofar as it is necessary for the appropriate operation Please see the particular manuals for further information on accessories If you have any questions that have not been answered or have not been sufficiently answered in this documentation
32. on Optie SAT3 230Vac 4A Sp cifications voir manuel d installation SAT3 Specificaties zie SAT3 handleidingsmanued Specifications see SAT3 installation manual AL1 OFF AL APa FAN OFF ON or POWER OFF 4 5 4 Fire alarm The TAC4 DG control can be connected to a fire detection system to stop start the supply exhaust fans according to fire regulations set the airflows in case of fire alarms according to fire regulations allow firemen to overrule the existing setup and start stop the fans as needed 4 5 4 1 Configuration The supply exhaust airflow configuration is made using the advanced setup 4 5 4 2 Wiring diagram of fire alarm 12V INT IN2 IN3 IN4 INS IN6 INT INS INS 12V If IN3 12V closed fire alarm activated this logic can be reversed via advanced setup menu Default if IN3 12 V closed and IN7 12V closed force start the supply fan s at pre programmed airflow 1 IN7 12V open force stop the supply fan s IN8 12V closed force start the exhaust fan s at pre programmed airflow 1 IN8 12V open force stop the exhaust fan s 1 At preset airflow in the advanced setup menu 25 4 6 BOOST function The BOOST function allows forcing a preset airflow overruling all other configurations 4 6 1 Setup The configuration is made via the advanced setup 4 6 2 Wiring diagram EA MM eem QU IX I I 2 I IE I 19 12V IN1 IN2 INS IN4 INS ING IN INS INS 12V Con
33. onnected to the TAC4 DG circuit and mounted on heat exchanger is defect or not connected These sensors are crucial for the by pass control and the antifrost procedure After correction of the failure press RESET with SETUP of the RC TACA or press RESET on the TAC4 DG circuit See 9 in table below Type 10 Alarm indicating failure on T sensor T4 only with NV option It indicates that the T sensor T4 located on the coil and connected to the TAC4 DG circuit is defect open or short circuit or not connected This sensor is used to avoid frosting of the NV coil In this case as a safety measure the 3 way valve is opened and the contact used to start the circulator is closed After fixing the failure press RESET with SETUP of the RC TACA or press RESET on the TAC4 DG circuit See 10 in table below Type 11 Alarm indicating failure on T sensor T5 only with NV option or KWout It indicates a failure of the T sensor T5 located in the supply duct and connected to the TAC4 DG circuit opened or short circuit or that it is not connected This sensor is used to regulate the post heating function After fixing the failure press RESET with SETUP of the RC TAC4 or press RESET on the TAC4 DG circuit See 11 in table below Type 12 Alarm indicating that the assigned T cannot be reached only with NV option or KWout If the actual T is lower than the assigned T for more than 15 minutes with the post heating f
34. please contact the company Paul Warmeruckgewinnung GmbH We will be glad to help yOu 1 Introduction 1 4 Safety Please always observe the safety instructions in this operating manual The non observance of the safety instructions warning notices notes and instructions can lead to injuries or damages to the maxi e Unless otherwise stated in this operating manual only an authorised installer is entitled to install connect put into operation and maintain the maxi e The installation of the maxi is to be performed according to the general local building safety and installation instructions of the corresponding local authorities of the water works and electric works and other official regulations and directives e Always follow the safety instructions warning notices notes and instructions described in this operating manual e Please keep this manual during the complete life time of the maxi in proximity to the device e The instructions for the regular replacement of the filters or the cleaning of the supply and exhaust air valves are to be strictly followed e The specifications stated in this document may not be changed e Any modification of the maxi is prohibited e In order to guarantee that the device will be regularly controlled it is recommended to conclude a maintenance contract Your supplier can give you the addresses of authorised installers in your area 1 1 1 Used symbols The following symbols are used in this
35. r CPs mode see S 4 3 3 and 4 3 4 to be the master means to control the start stop of the fans as well as to activate deactivate a different assignment assignment multiplier 2 setups are possible 1 Or TAC4 DG circuit is master contact between terminals IN1 and 12Vdc of TAC4 DG circuit is closed The TAC4 DG circuit allows control of the fans through its inputs The RC TACA allows to configure and to visualize all the parameters on the display and with the LEDs 2 Or RC TACA is master contact between terminals IN1 and 12Vdc of TAC4 DG circuit is open The TAC4 DG circuit is then in control of the system and serves as a control hub between fans and the RC TAC4 The RC TACA allows to configure and to visualize all the parameters on the display and with the LEDs The RC TACA controls the fans with the OFF 1 1 Ill keys TAC4 DG circuit is master RC TAC4 is master i CB4 TAC4 DG RC TACA m CB4 TAC4 DG RC TACA Control Visualization Control Visualization Wiring diagram 12V IN1 IN2 IN3 IN4 INS INS INT INS INQ 12V MASTER SELECTION Contact closed TAC4 DG circuit master Contact open RC TAC4 master Caution Use gold plated contact only The use of this contact enables to switch automatically from RC TAC4 master to TAC4 DG master Using this you can for instance e Work in RC TAC4 master and switch in position TAC4 DG master to stop automatically the fans attention in this case the
36. reference pressure for the supply and the exhaust REF airflows Y or N this is optional if it has been done previously 18 m h INIT If Y is selected enter nominal airflow at which you wish to initialize the reference pressure same airflow for exhaust and supply air 19 Pa REF Initializing the reference pressure INIT After 1 minute the system will memorize the calculated pressure value of the fan as 6 the reference pressure While initializing the airflow and pressure on F1 is displayed xxxx m h xxxx Pa 20 ALARM Possibility to reset of the alarms Y or N RESET 21 END SETUP End 4 3 3 2 Operating LS mode with RC TAC4 master The assignment value for the supply constant airflow is a function of a 0 10V signal connected to terminals K2 of the TAC4 DG circuit The link between voltage and airflow is linear The exhaust constant airflow is equal to EXT PUL of the supply airflow except if 2 separate 0 10V signals are used to determine exhaust and supply constant airflows see advanced setup e Starting stopping the fan is carried out with knobs I II and OFF e The pressure sensor is connected to entry K2 of the TAC4 DG circuit e By pressing knob Ill of the RC you activate the pre set multiplier on K3 13 a Wiring to 1 circuit SSeS 6 o o ojo 00 Ki K2 K3 12V 12V IN1 IN2 IN3 IN4 INS ING IN INS INS 12V GND T 5 GNDOUT1 OUT2 Ll 0 10 Vdc u b Wiring to several circuits conn
37. s 7 ODE MERC TACA CIS ee e UNCERT ee 7 Wiring diagram to connect the RC TAC4 REC to the TAC4 DG Circuit nenn 8 GablESpecileallonszunnsertseatehsikepatelsellanstisrelsinishens la 8 Sseleetingithe Master nassen 8 FAN CONN ON sessed ea esse 9 VV ONKINGHIMOOGS anna eiserne 9 CA mode setup operating instructions and wiring diagrams sesesseeeeeesees 10 Setup GA M00 b ae 10 Operating CA mode with RC TAC4 master esee nennen nennen nnn 11 Operation CA mode with TAC4 DG master eessseesssesssseeeneennnn enne 11 LS mode setup operating instructions and wiring diagrams eeeeeseeeeesss 12 Setup LS Modern t e 12 Operating LS mode with RC TAC4 master sees nnne 13 Operating LS mode with TAC4 DG master sees nennen 14 CPs mode setup operating instructions and wiring diagrams ssseeessssse 15 SCUT DS THOUSD uiii en Eee ee St SEE eel ee re NRE sono Des esce de 15 Operating CPs mode with RC TACA master esses 16 Operating CPs mode with TAC4 DG master u 2240ss20snne nennen nennen nennen nennen nennen nnennne 17 Time Slots sSehedules iei att eet att be na eee ite ee ae ote ous 18 BIS de er ine 18 EoHliguratlionsearasn E ET 18 USE aie 21 7 NFS L119 sai euiteute dash ee 22 FM DV DOS ei PRI een 22 PL
38. stance on the maxi unit you need to fasten inside a proper watertight box The configuration data is stored in the TAC4 DG circuit Therefore unlike the previous generation the RC does not have to be permanently connected for the regulation to operate properly The RC box is class IP20 and cannot be installed outdoors as such If you wish to 4 1 2 Wiring diagram to connect the RC TAC4 REC to the TAC4 DG circuit TAC4 DG RC TAC4 o o Jo o 0o 0 Jo o umm mm m mr o oJo o o o Jo o B B At GND 12V A GND 12V HE 4 1 3 Cable specifications e Recommended cable category 5 shielded twisted pair FTP cable with a section of 0 26 0 50 mm Use 1 pair to connect GND and 12V and 1 pair to connect B and A e Maximum cable length 1000 m e Keep this communication cable at distance from power cables e lf the unit is installed in a location with high electro mechanical interference levels we strongly advise to connect the armored shield of the TAC4 DG GRC cable on one side of the ground only e fthe maxi unit is installed outside select a suitable cable for outdoor application UV light 4 2 Selecting the Master Selecting the master means the determination of which module of the i o and the RC will control the fans controlling the fans means If CA mode is chosen see 4 3 2 to be the master means to control the start stop of the fans as well as to select the airflow If LS o
39. t between K1 and 12V of TAC4 DG circuit closed or if position on RC TACA is selected 6 m h K2 Type in supply airflow 2 will be activated if contact between K1 and 12V of TAC4 DG circuit closed or if position Il on RC TAC4 is selected 7 m h K3 Type in supply airflow 3 will be activated if contact between K1 and 12V of TAC4 DG circuit closed or if position Ill on RC TACA is selected 8 JoEXH SUP Type in ratio between exhaust EXH and supply SUP airflow to create over under or even pressure 10 10 CONFIG Select Y to activate time segment function TIME N 12 PRESSURE _ The pressure alarm is optional If you do not wish it select N and skip to step 14 ALARM Otherwise select Y For more details see 4 5 14 AP EXH Type in the pressure increment for the exhaust airflow 16 m h INIT If Y is selected enter nominal airflow at which you wish to initialize the reference pressure Same airflow for exhaust and supply air 18 ALARM Possibility to reset the alarms Y or N RESET 4 3 2 2 Operating CA mode with RC TAC4 master e One of the 3 assignment constant airflows m h K1 m h K2 and m h K3 is selected using the Il Ill knobs of the RC TAC4 The selection made is highlighted by the corresponding LED on the RC The exhaust airflow is equal to EXT PUL of the supply airflow e The OFF touch allows stopping the fans 4 3 2 3 Operation CA mode with TAC4 DG master One of the 3 assignment constant airflo
40. tact open BOOST inactive Contact closed BOOST active 4 7 BYPASS function free cooling The counter flow heat exchanger is fitted with a 100 bypass When the bypass is open fans may Either continue to operate the same way as when the bypass is closed Either operate at a fixed exhaust and supply airflow rate These airflow values can be re set via the SETUP AVANCE According to inside and outside temperatures the TAC4 DG control will monitor the opening closing of the 100 by pass damper The by pass is delivered completely wired and motorized from factory No wiring or installation is required by the installer The O R 4 relay SAT3 option of the TAC4 DG circuit indicates the opening closing of the bypass 4 7 1 Operating description e Opening of 100 by pass if all following conditions are met e Outside T sensor T1 lt inside T sensor T2 1K e Outside T sensor T1 gt 15 C e Inside T sensor T2 gt 22 C e Closing of 100 by pass if one of the following conditions is met e Outside T sensor T1 gt inside T sensor T2 e Outside T sensor T1 lt 14 C e Inside T sensor T2 lt 20 C All these temperature SET values can be modified using ADVANCED SETUP us When the bypass is open the pressure alarm is deactivated For the maxi 4002 and maxi 6002 models the maximum airflow when the bypass is open is reduced respectively at 3500 m h and 5300 mh For the other models there is no redu
41. ting m h K1 m h K2 m h K3 OFF stop n LS mode ON OFF In CPs mode ON OFF And for each day of the week select AUTO OFF operate as a normal day or as an OFF day 4 4 2 Configuration 1 CONFIG Select Y to activate time segment function E TIME N 3 SET DATE Enter date XXIxx xx 4 TIME Select Y to activate time segment function SEGMENT N ae 6 SUPPLY For TS1 enter supply airflow 0000 fan stop 0000 m h 7 EXHAUST For TS1 enter exhaust airflow 0000 fan stop e 0000 m h 9 SUPPLY For TS2 enter supply airflow 0000 fan stop 0000 m h 10 EXHAUST For TS2 enter exhaust airflow 0000 fan stop 0000 m h 18 12 SUPPLY For TS3 enter supply airflow 0000 fan stop 0000 m h 13 EXHAUST For TS3 enter exhaust airflow 0000 fan stop 0000 m h 15 SUPPLY For TS4 enter supply airflow 0000 fan stop 0000 m h 16 EXHAUST For TS4 enter exhaust airflow 0000 fan stop 0000 m h SET VAL For TS1 enter coefficient applied to the base link configured between V value LS 000 and airflow value cfr m h Vmin and m hzVmax in setup Select 000 to stop both supply and exhaust fans 7 EXH SUP For TS1 select airflow ratio between exhaust fans F3 F4 and supply Fans F1 F2 airflows 100 9 SET VAL For TS2 enter coefficient applied to the base link configured between V value LS 000 and airflow value cfr m h Vmin and m hzVmax in setup Select 000 to stop both supply and exh
42. trical water hot and or cold SAT TAC4 MODBUS Option MODBUS RTU communication please refer to TAC4 DG MODBUS RTU installation and user s manual for detailed information TCP IP TAC4 MODULE Option MODBUS TCP IP communication please refer to TAC4 DG MODBUS TCP IP installation and user s manual for detailed information GPRS TAC4 MODULE Option GPRS Communication please refer to TAC4 DG GPRS installation and users manual for detailed installation The SAT3 Option is a Circuit with 2 relays 2 SAT3 can be plugged When plugged in position OR1 OR2 status of Fan On warning and of Pressure alarm warning and or When plugged in position OR3 OR4 status of NV option circulator and of bypass See separate installation manual for each of these options 3 GENERAL MAINTENANCE INSTRUCTIONS 3 1 Generell information 3 1 1 Generell schematic of the maxi series Maxi flat series Maxi series 1 Main switch for power supply fans and control 2 Main switch for power supply to pre Kwin and or post Kwout heating coils options 3 Centralized wiring box of the CB4 TAC4 DG circuit factory pre wired 4 Supply fan s 5 Exhaust fan s 6 Post heating water or electrical coil NV or KWout option 7 Motorized damper at fresh air inlet CT option 8 F7 class filter at fresh air inlet G4 class filter extract air maxi flat right model versions 9 Pre heating electrical antifreeze coil KWin option 10 Drain pan and drain max
43. ual exhaust fan2 airflow m3 h Display of alarm type Display all parameters By pressing the and keys it is possible to display the status of all the parameters 1 2 3 Alarm xxx REC TYPE XXXXXX KW IN YES KW OUT YES NV YES CT IN YES KWext YES BA YES BA YES BA YES MODE CA SET VAL XXXX SUPPLY lie xXx EXH SUP XXX Pa ALARM SUPPLY m h xxxx Pa xxxx Pa ALARM EXHAUST mh xxxx 2 06 Alarm type if relevant Display of Idcode of heat recovery unit 6 digits If option KW IN electrical preheating coil is present If option KW OUT electrical postheating coil is present If option NV postheating water coil is present If option CT inlet damper is present Displayed only if external KW option present controlled by SAT TAC4 BA KW Displayed only if external BA option present controlled by SAT TAC4 BA KW Displayed only if external BA option present controlled by SAT TAC4 BA KW Displayed only if external BA option present controlled by SAT TAC4 BA KW Display working mode selected CA LS CPs Display of actual assignment in function of setup and K1 K2 K3 status Supply air T set point if internal or external post heat cool coil installed Display of the assigned exhaust supply ratio If activated pressure alarm data on supply side If pressure alam is activated display of setup values m3 h Pa at which alarm will be turned on for the supply sid
44. ully opened until See 12 in table below 23 Type 13 et 14 Alarm indicating antifrosting alert only with KWin option In certain air T conditions as measured on the exhaust airflow after the heat recovery indicating that the Kwin has reached its limit the TAC4 DG control can take over to guarantee the antifrost function a Alarm type 13 If T lt assignment T 1 5 C for more than 5 minutes supply and exhaust airflow reduction of 33 if CA or LS and of 25 if CPs for 15 minutes b Alarm type 14 If T lt 5 C during 5 minutes fans are stopped Press RESET with SETUP of the RC TAC4 or press RESET on the TAC4 DG circuit to restart the unit See 13 amp 14 in table below 4 5 2 Alarm table Actions on RC TAC4 Actions on the TAC4 DG circuit ee on bean Type Display 1 LED LED Pa LED R2 relay LED AF ALARM ALARM Sr of SAT3 O R 1 ALARM Alarm Stopped FANx status ALARM Alarm Stopped INIT Pa status DATA Alarm Stopped ERROR status ALARM Alarm SERVICE status FAN STOP Red ON Alarm Stopped SERVICE status ALARM T Alarm Stopped SENSOR status 1 2 3 10bis DRAIN Alarm Stopped ALARM status ALARM POSTHEAT T TOO LOW 14 Alarm Blinking Stopped ARE status STOP FANS no action 1 Detailed text is displayed in successive Screens 2 Unless the status has been changed in advanced setup to stop the fans 3 See details in 4 5 4 24 4 5 3 Wiring diagrams Opti
45. ws m h K1 m h K2 and m h K3 is selected using the K1 K2 K3 terminals on TAC4 DG The selection made is highlighted by the corresponding LED on the RC TACA The exhaust airflow is equal to EXT PUL of the supply airflow Wiring diagrams a Wiring 1 circuit to 3 external contacts Oo K2 K3 12V 12V INT IN2 IN3 IN4 INS INS IN INS INS 12V K1 closed airflow m h K1 K2 closed airflow m h K2 K3 closed airflow m h K3 K1 K2 K3 open soft stop Caution K1 K2 K3 Use gold plated contacts only 11 b Wiring 1 circuit to 1 COM4 PLC 4 positions switch IEIESIESIESIIESIIESIESIIERS QIOIoOIxocIoIiIolIidoc dolJo K2 K3 12V 12V INT IN2 IN3 IN4 INS ING IN INS INS 12V i K1 closed airflow m h K1 K2 closed airflow m h K2 K3 closed airflow m h K3 K1 K2 K3 open soft stop Caution K1 K2 K3 Use gold plated contacts only d Wiring several circuits to 1 COM4 TS GNDOUT OUTZ Ki wa kG 17 UND M HIV IN NZ id OUT OuT2 4 3 3 LS mode setup operating instructions and wiring diagrams 4 3 3 1 Setup LS mode The setup is made by means of the LCD screen and the 4 knobs SETUP 1 Es and ENTER of the RC To start the setup Enter in the setup mode using the left knob on the diagram so that the SETUP LED ignites MEME Press then the SETUP knob until the text SETUP appears on the screen The idea is to select your choice with the 1 knobs and then to confirm your choice by pressing EN
Download Pdf Manuals
Related Search