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Mounting and Operating Instructions EB 5477 EN

1. Symbol Parameter description Range of values default setting 012234 5 6 7 B 91011121314 15 16 17 18 19 20 21 2223 24 Supply air humidity maximum limit MAX b 0 Supply air humidity minimum limit to 100 rH PA S WE 60 rH QE Mi ae j ps E is DR 012234 5 6 7 B 91011121314 15 16 17 18 19 20 21 2223 24 Humidity set point of the slave loop an 0 to 100 rH WE 50 rH PA EM ove Es 7 is 012234 5 6 7 8 91011121314 15 16 17 18 19 2021 222324 Kp Humidity master loop LL Kp l 0 1 to 99 9 WE 1 0 PA Oa 2 Qva 2 01234567 B 9 1011121314 15 16 17 18 19 20 21 22 23 24 Kp Humidity master loop LL Kp l 0 1 to 99 9 WE 1 0 PA ek T MEL oe j Es 2 WS TI e 0122345 6 7 8 9 10111213 14 15 16 17 18 19 20 21 22 23 24 Times of use freely configurable WE daily 7 00 to 22 00 hrs PA EC Ova Yer wo WA YA EB 5477 105 Appendix Symbol Parameter description Range of values default setting Oy 1234 5 6 7 9101112131415 16 17 18 19 20 21 22 23 24 START STOP PA v2 on 7 Times of use for fan speed 2 freely
2. 96 5477 Appendix Symbol Parameter description Range of values default setting 01234 5 6 7 B 9101112131415 16 17 18 19 202122 2324 Supply air temperature minimum limit D LI 0 C to Supply air temperature maximum limit PA pu l 1 WE 18 C or 2 E B D T 01234 56 7 B 9101112131415 16 17 18 19 20 21 22 2324 Supply air temperature maximum limit r1 re h LI Supply air temperature minimum limit to 50 C PA S WE 26 C ow M D I Hn 01234567 891011121314 15 16 17 18 192021 22 2324 Kp Heating coil 0 1 to 99 9 WE 0 5 5 TN Heating coil 1 to 999 sec WE 60 sec Ko Tu Tv Tv Heating coil to 999 sec WE PA vole f Y2 9 i T 0123458878 9 10111219 14 15 16 17 18 19 20 21 22 23 24 Temperature set point of the slave loop 2 c 0 to 50 C WE 22 C PA Y2 w i TEA amp LI v4 v2 012345967 8 9 1011121314 15 16 17 18 192021222324 Lu PA cra o xe YS Y2 val va wa
3. 23 Systems 2 ion oe Ga e ELE RUE de o SSS Bee ee es 24 System code number 9 36 Control methods and system components 37 Ventilation and temperature control in air conditioning systems 37 Supply air temperature control 2 2 37 Exhaust air temperature control 37 Exhaust air temperature cascade control 38 Room temperature control 6 39 Room temperature cascade control 40 Humidity control in air conditioning systems Anl 6 8 and 9 Al Supply air humidity control 41 Exhaust air room humidity control oe 42 Exhaust air or room humidity cascade control 42 e ee BRE RE BES ER eSSs 44 Oulpufs uso te ee ee ee ee dae ee Poe ex d 44 44 Mixedairchamber s w ro ee an w e e o a p eedi 45 Heat recovery unit ARU 2n 48 EB 5477EN 3 Contents 5 4 4 5 5 5 6 6 1 6 2 6 4 6 5 6 6 6 7 6 9 6 10 6 10 1 6 10 2 6 10 3 os o o o wn ss ss NE Ow OK 7 1 EB 5477 EN Goolihg 49 Humidifier eg gk ee eR BE 50 Fans with variable speed 51 Control functions 1 ee ee 53 Supply air temperature limit 2 53 Supply air humidity
4. ex nu E Y1 v2 98 5477 EN Symbol Appendix 012345967 8 9 1011121314 15 16 17 18 192021222324 Parameter description Range of values default setting Return air temperature limit factor Im e a 0 to 10 1 PA Y2 M o ore RT 0 YS Y v1 v2 va 01234 5 6 7 B 9 1011121314 15 16 17 18 19 2021222324 Sustained room temperature START of e Y2 OE al S Web mel v1 v2 PA OS 5 01234 5 6 7 9 1011121314 15 16 17 18 192021222324 0 to 20 C WE 15 C START 5 PA i s See 2 01234596 7 9 101112 1314151617 18 19 2021222324 Start up mode when the outdoor temperature is smaller 0 to 10 C WE 5 C PA START J 8 im X z eel 2 01234596 7 9 101112131415161718192021222324 Pump advance running time for start up 0 60 120 to 900 sec WE 300 sec PA 100 gt m Sore W Xe X v1 v2 Control signal limit for 1 0 to 100 25 WE 100
5. 10 V Vacations I ees oa ees 15 System Baud C XH e AY bitt Operating level qe E System Ny time Parameter level END NE Uus Parameter and Y zo mu Anl Configuration level END 1 m Function blocks 1 1 and Fig 30 Structure of the levels SAMSON AG MESS UND REGELTECHNIK Weism llerstraBe 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 5477 EN 2008 10
6. 116 EB 5477 EN Index A Analog 18 Display 7 50 Outdoor temperature 76 Request for externally required signal 75 P r Quolily 24915 ar Ee toed 63 Analog input Exhaust air humidity 42 Exhaust air temperature 37 38 Room 42 Room temperature Supply air temperature Analog 51 Automatic reversal of the operating direction Inl ERR ERRARE ae de 48 B Baud rate 82 Betriebsebene 108 Binary inputs External demand for fan speed 2 72 External demand for operation 71 Binary output Activated dependent Y3 65 Display 7 Chilled buffer storage 64 65 Control method 37 41 Control signal limitation 61 Cooling 49 Index D Date setting 10 Dialing procedure 82 kr AE 9 E Exhaust air humidity control 42 Exhaust air temperature cascade control 38 External air volume setting 71 External demand for fan speed 2 72 External demand for operation 71 External humidity set point correction 70 External outdoor air rate setting 70 External tempera
7. 5477 99 Appendix Symbol Parameter description Range of values default setting 01234567 8 9 10111213 14 1516 17 18 1920212223 24 Pump ON when the outdoor temperature is smaller HL 50 to 10 C WE 0 C PA 121 HL Y2 P ps io MI PEE NNN Summer compensation when outdoor temperature is grea p h ter LI 50 to 40 WE 26 C Y Es S E n 012234596 7 8 9101112131415 16 17 18 19 202122 2324 Set point at an outdoor temperature of 32 a E Supply air temperature Lo dS 0 to 40 C WE 26 C 32 a Ady eer YUYA YS 01234 5 6 7 B 9 1011121314 15 16 17 18 19 20 21 22 23 24 Set point at an outdoor temperature of 32 IC E Exhaust air temperature E O to 40 C WE 26 C 2 on M 2 T 01234 56 7 B 9 1011121314 15 16 17 18 19 20 21 22 23 24 Set point at an outdoor temperature of 32 p Room temperature ho O to 40 C WE 26 C 32 EE M kal 2 3 ogee 9 05 S Gr D 28 gt 100 5477 EN Symbol Append
8. 27 8 23 11 Type 5257 6 Room Panel 23 1 dimensions in mm 30 b 15 12 Fig 24 Connecting the Type 5257 6 Room Panel It is possible to use the room panel to correct a temperature set point or to select an operat ing mode when it is wired as shown above AN D Temperature set point correction by 5 C T Selecting the operating mode O Operation of system according to the times of use or plant OFF outside of the times of use Operation of system with fan speed 1 also outside of the times of use fan speed 2 according to the times of use for fan speed 2 Il Operation of system with fan speed 2 also outside of the times of use for fan speed 2 The operating mode selection switch on the ventilation controller must be set to the automatic operation Functions WE Configuration 2 speed fans over BA2 BA3 OFF BA2 page 63 BA2 OFF gt page 63 Osec Delay time 0 to 60 sec External demand for operation with OFF FbI32 ON External demand for fan speed 2 OFF Fb19 ON option BE4 recognizable from the squares at the bottom right of 1 and 7 74 5477 EN System wide functions 7 11 Request for externally required signal In complex systems the controller can request the flow temperature required from a primary controller The required flow temperature is requested at the analog output AA by using a O t
9. BA2 AE2 BA4 On off BE2 BA2 Speed 1 Fig 11 Anl 7 system code no 7 ventilation BA3 Speed 2 AE1 Ex ON Ext speed 2 BEI F8 Specifications in parentheses BEA BE7 F7 F5 AE3 F2 AE3 can be selected as an alternative Cooling coil control Summer compensation section 6 7 Fan operation 2 speed or to 10 V gt section 6 8 and 6 11 4 34 5477 EN Systems System code number 8 e Ext ON Ext speed 2 _ 9 E Set point T Set point rH gt 4 T oe eii mea M recti BUB M M 1 1 BE3 BE2 BEI BEA BE7 1 BAT BA4 BA2 Speed 1 Speed 2 Wood WM Ww M FA Fil Ire F8 T9 Wigs dy 2 AE2 AE1 AE2 AE4 AE3 AE4 AE3 Specifications in parentheses 5 Yi V can be selected as an alternative Fig 12 Anl 8 system code no 8 air conditioning only humidification Control of mixed air chamber heating coil cooling coil and humidification Two control loops Temperature and humidity control Humidification or humidifying and dehumidifying operation configurable section 5 2 Summer compensation
10. 53 Return air temperature limit 2 22e 54 Variable return air temperature maximum 54 Sustained room temperature 2 55 Night purge les 56 Summer compensation scce s 2e 57 Fan operation dependent on room temperature room humidity 57 Air quality control via the mixed air chamber 58 Outdoor temperature compensated 59 Outdoor temperature compensated supply air control 59 Summer deactivation 60 Summer time operation 60 Control FUBEDDIS e s Gok OR amp ona 6l System start up o 6l Circulating air mode after system start up 62 Enabling fansp ed T s s sce e SO en 62 Enabling 2 63 Fan operation 64 Enabling the 64 Controlling the direct expansion evaporator 65 Controlling 65 Condensation 66 Circulation pump control for the heating 66 Circulation pump control for the HRU llle 67 Electric air heater ek do C9 ohh oR ES 67 System wide functions 68 Switchover between summer time and winter time 68 Frost protection s a panai ee 68 System frost pro
11. 10 PAr Minimum deactivation time STOP MIN 600 sec Minimum activation time START MIN 600 sec Cooling deactivated when Y1 gt STOP 50 13 EB 5477 111 Appendix Fb ON OFF Options selected function block parameters 14 Delay time START 180 sec 15 16 17 18 Assignment AE 1__ AE2 __ AEA Fl Lower measuring range value MIN 40 C Upper measuring range value MAX 50 C F2 Lower measuring range value MIN 40 C Upper measuring range value MAX 50 C F3 Lower measuring range value MIN 40 C Upper measuring range value MAX 50 C F5 Lower measuring range value MIN 40 C Upper measuring range value MAX 50 C F Lower measuring range value MIN 0 rH Upper measuring range value MAX 100 rH F7 Lower measuring range value MIN 0 rH Upper measuring range value MAX 100 rH L Lower measuring range value MIN 0 Upper measuring range value MAX 100 19 BEA or BE7 dependent on or independent from BE1 20 Flow requirement MIN AA 90 C Flow requirement MAX AA 90 C Change when Y1 MIN 10 C Change when Y1 MAX 90 C 21 22 23 24 25 SIEIG FALL 26 StEIG FALL 27 SIEIG FALL 28 StEIG FALL 29 StEIG FALL 112 EB 5477 EN Appendix Fb ON OFF Options selected function block paramet
12. 2 4 Calibrating sensors The sensor calibration is performed in the configuration level Fb17 ON Pt 100 and Pt 1000 sensors Fb17 OFF Pt 100 and PTC sensors The values measured by all the connected sensors can be changed or reset To proceed set the sensor value displayed to the temperature measured directly ot the measuring point ref erence temperature Activate calibration with Fb1 to Fb7 An incorrect calibration can be deleted by setting Fb1 to F7 OFF How to proceed x Y Change to the configuration and parameter level Select CO configuration level Enter the configuration level Anl appears on the display Press the upward arrow key until Fb25 appears on the display This function block is merely selected to enter the code number Another function block that is protected by the code number can be also used Press the enter key 0 appears on the display Enter and confirm the code number section Close function block Fb 25 Select the function block of the sensor that is to be calibrated Fb1 to Fb7 Fb1 Supply air sensor Fb2 Exhaust air sensor Fb3 Outdoor sensor Fb4 Return flow sensor heating coil Fb5 Room sensor Fb Return flow sensor HR system 3 and 5 Fb7 Mixed air or extract air sensor system 2 and 4 Press the enter key A temperature appears on the display Fb starts to blink Set the temperature m
13. The mixed air chamber is controlled from the Y2 output which can be adapted to the dynam ics of the mixed air chamber by means of the parameters Kp Mixed air chamber TN Mixed air chamber and T Mixed air chamber The parameter Minimum outdoor air rate guaran tees an minimum proportion of outdoor air The operating action of the control output Y2 can be reversed The default setting is an outdoor air rate of O to 100 which corresponds to a control signal of 0 to 10 V By activating Fb22 the operating action is reversed the out door air rate to 100 then corresponds to 10 to V On feedforwarding the outdoor temperature the summer time operation function is taken into account section 6 10 3 By additionally feedforwarding the exhaust air temperature the automatic reversal of the operating action takes effect If the operating action of the control output Y2 is automatically reversed due to changing temperatures while the control is in the sequence range Y1 or Y3 the mixed air chamber is then reversed with a constant changing rate of 15 per minute If there is a considerable difference in temperature between exhaust air and extract air due to the heat given off by the fan the extract air temperature can also be selected as the measured variable in place of the exhaust air temperature Note The proportion of outdoor air can be suppressed during the warm up phase with Fb43 ON Functions WE Configuration Sensor F7
14. BE7 1 F F5 F2 AEA AE3 AE3 Specifications in parentheses can be selected as an alternative Fig Anl 3 system code no 3 with cross flow heat exchanger ventilation Control of heat recovery unit HRU and heating coil Heat recovery unit designed as a cross flow heat exchanger Frost protection for HRU gt section 7 2 2 Automatic reversal of operating action for HRU configurable section 5 4 2 Fan operation 2 speed or 0 to 10 V gt section 6 8 and 6 11 4 EB 5477 EN 29 Systems System code number 4 Exi Ext speed 2 LL 1 i Set point rH S iei ij BE3 BE2 BEI BEA BE7 BAT BA4 BA2 BA3 On off Speed 1 Speed 2 11 F7 F4 FI FB F9 FF5 F2 AE2 AE1 AEA4 AE3 _ 1 1 Specifications in parentheses Y2 YI Y3 AA can be selected as an alternative Fig 7 Anl 4 system code no 4 ventilation Control of mixed air chamber heating and cooling coils Summer compensation section 6 7 Summer time operation gt section 6 10 3 Sequential operation of heating dampers cooling or sequence of heating cooling and mixed air temperature control Automatic reversal of operating action for mixed air chamber section 5 4 2 Fan operation 2 speed
15. Fb43 not with supply air control Parameters WE Range of values Kp Mixed air chamber 025 0 1 to 99 9 Ty Mixed air chamber 60 sec 1 to 999 sec Ty Mixed air chamber eco VP ase Minimum outdoor air rate 2075 Oto 100 76 Mixed air temperature set point 18 C 1010 30 C EB 5477 EN 47 Control methods and system components Outdoor temperature controlled mixed air chamber For the outdoor temperature controlled mixed air chamber two outdoor temperature basic values are determined with the parameters Minimum outdoor air rate when the outdoor tem perature is smaller and 100 outdoor when the outdoor temperature is greater which result in a characteristic curve for controlling the mixed air chamber The parameter Minimum out door air rate guarantees the required minimum proportion of the outdoor air The summer time operation section 6 10 3 is always available with this operation mode A Control signal Y2 100 20 T T T 0 18 24 Outdoor temperature Fig 17 Outdoor temperature controlled mixed air chamber Note The proportion of outdoor air can be suppressed during the warm up phase with Fb43 ON Functions WE Configuration Sensor F7 mixed air or extract air temperature Fb7 OFF option AT Operating action Y2 OFF Fb22 Circulating air mode after system start up OFF Fb43 not with supply air control Parameters WE Range of values Min outdoor air rate when the outdo
16. mixed air or extract air Fb7 ON option SEQ with extract air sensor temperature Fb7 OFF option SEQ without extract air sensor Operating action Y2 OFF Fb22 Circ air mode after system start up OFF Fb43 not with supply air control EB 5477 45 Control methods and system components Control Without outdoor air and exhaust air signal extract air temperature feedforwarding YI Y2 Y3 System deviation Control variable With outdoor air and exhaust air extract Control With outdoor temperature Control air temperature feedforwarding signal feedforwarding signa Y1 Y2 Y3 M 2 ta gt tab IA lt tAb I I i m System deviation Control variable Control variable Outdoor temperature Outdoor temperature Fig 15 Various output signals e g in system code number 4 Parameters WE Range of values Kp Mixed air chamber 0 5 0 1 to 99 9 Mixed air chamber 60 sec 1 to 999 sec Ty Mixed air chamber 999 sec Minimum outdoor air rate 20 01010075 Independent mixed air temperature control The independent mixed air temperature control is implemented by a PID control algorithm with adjustable Mixed air temperature set point The output Y2 is adapted to the dynamics of the mixed air chamber with the parameters Kp Mixed air chamber TN Mixed air chamber and Ty Mixed air chamber The parameter Minimum outdoor air rate guarantees a mini mum proporti
17. 21 22 23 24 Kp TN B FS Kp Air quality control 0 1 to 99 9 WE 0 5 TN Air quality control 1 to 999 sec WE 60 sec PA amp ole 01234 5 6 7 9 10111213 14 15 16 17 18 19 20 21 22 23 24 Mixed air temperature set point em I O L 10 to 30 WE 18 C PA M PT 5 oe 01234 56 7 B 9 101112 1314151617 18 19 202122 23 24 Kp Mixed air chamber 0 1 to 99 9 WE 0 5 5 TN Mixed air chamber 1 to 999 sec WE 60 sec Kp TN Ty ES Tv Mixed air chamber to 999 sec WE PA TE fz mE gle ell EL K gt Heat recovery 0 1 to 99 9 WE 0 5 5 TN Heat recovery 1 to 999 sec WE 60 sec Kp Tn Tv Tv Heat recovery to 999 sec WE PA zie 01234567 9 1011 12 13 14 15 16 17 18 19 2021222324 Kp Humidifier 0 1 to 99 9 WE 0 5 5 Tn Humidifier 1 to 999 sec WE 60 sec Kp Ty Ty Ty Humidifier to 999 sec WE PA Note In Anl 8 and Anl 9 the humidifier is assigned to the analog output AA not as appears on the display to the control output Y2 1
18. 25 Systems System code number 1 g O M 11 BA2 BAI F3 AE2 Yl BE3 BA4 On off 2 Speed 1 Speed 2 BA2 BA3 Fig 3 Anl 1 system code 1 ventilation Ext speed 2 E Zl BE4 BE7 F8 7 1 5 F2 AEA AE3 AE3 Specifications in parentheses can be selected as an alternative Control of the heating and cooling coils Summer compensation section 6 7 Sequence operation of heating cooling or overlapping operation gt section 6 11 8 Fan operation 2 speed or O to 10 V section 6 8 and 6 11 4 26 5477 EN Systems System code number 2 Ex ON Ext speed 2 d Outdoor Set point air rate r 4 l BE3 BE2 BEI BEA BE7 BAT BA2 BA3 Speed 1 Speed 2 bt F3 F FA FI FB F9 Z5 F2 AE2 AE1 AEA AE3 AE Specifications in parentheses Y2 Yl AA can be selected as an alternative Fig 4 Anl 2 system code no 2 ventilation Control of mixed air chamber and heating coil Summer time
19. 7 Sunday 7 00 0 00 to 24 00 h in steps of 30 minutes 12 00 0 00 to 24 00 h in steps of 30 minutes 12 00 0 00 to 24 00 h in steps of 30 minutes 22 00 0 00 to 24 00 h in steps of 30 minutes Default setting WE valid for system How to proceed 012345474 2224 E pa co 12 EB 5477 EN Q Switch to the configuration and parameter level PA appears on the display ey 012345467 8 9 101112131415 1617 181920 21 2223 24 IT dels PA 7 5 ES ur O 01234567 8 9 101112131415 1617 18 1920 21 22 23 24 PA 5 S M n vi v2 ey 0123454678 910111213141516 17 18 192021 222324 D z ERE v 0123454678 910111213141516 1718 19 20 21 22 23 24 EEHEHBEHEEENEEENEN a Gal LILI lt 1 2 si 3 EERE ERE STOP 3 00 CUL 54 5 1 8 vi 2 Operation Press the enter key to enter the parameter level The time appears on the display blinks slowly Press the arrow key until the same display as shown appears for changing the system times of use START STOP and the symbol start to blink Q additionally blinks with fan speed 2 Pre
20. OFF 0 to 9 Fb24 ON 0 to 100 L 10 to O V Fb24 OFF 0 to 100 L 0 to 10 V 25 in FSR OFF 0 to 9 Fb25 ON Select entry in FSR for rising signal edge make contact FALL entry in FSR for negative signal edge break contact Note Can only be changed with code number 26 BEO2 in FSR gt 25 27 BEO3 in FSR gt Fb 25 28 BEOA in FSR gt Fb 25 29 BEO5 in FSR gt Fb 25 30 BEO6 in FSR gt Fb 25 31 BEO7 in FSR gt Fb 25 32 BEO8 in FSR gt Fb 25 33 BEO9 in FSR gt Fb 25 34 BE10 in FSR gt Fb 25 35 BE11 in FSR gt Fb 25 36 BE12 in FSR gt Fb25 37 Locking settings OFF 0 to 9 Fb37 ON CO level locked PA level locked except for time date set points times of use public holidays and vacations Note Can only be changed with code number 38 5 dependent on Y1 OFF 0 to 9 Fb38 ON BAS ON OFF dependent on Y1 Function block parameters START Activation value STOP up to 100 30 STOP Deactivation value O up to START 10 Lag time of the fans O to 60 sec 10 sec 39 Variable air volume via OFF 0 to 7 Fb39 ON Only with Fb20 OFF control of AA analog output AA dependent on analog input for air quality Function block parameters MIN AA Minimum air volume 0 to 100 25 95 K Factor of change 0 0 to 10 0 0 0 Only with cascade control 5477 93 Appendix Fb Function WE Comment Function b
21. ON System out of operation even within the times of use If the operating mode switch is set to reduced operation only is relevant for the ex ternal demand for operation OFF System out of operation ON Operation of the system corresponding to the times of use The system starts to run if necessary taking into account the system start up function Function WE Configuration External demand for operation with BEI OFF ON 5477 71 System wide functions 7 9 External demand for fan speed 2 The fan speed 2 can be demanded via the binary inputs BEA or BE7 The following applies 1 Fan speed 2 can only switched if the system is b Lu already in ti EH y in operation 012345679901 12191 151617 18 172021 222324 2 BE4 BE7 ON starts the system operation with fan b E speed 2 Functions WE Configuration 2 speed fans over BA2 BA3 OFF 2 gt page 63 2 AUS gt page 63 Osec Delay time 0 to 60 sec External demand for fan speed 2 OFF 19 BEA 1 2 Speed 2 demanded over 4 BE7 1 2 Speed 2 demanded over BE7 Note If the functions External demand for operation Fb13 ON and External demand for fan speed 2 with Fb19 ON BEA are configured the input BEA loses the function descri bed in section 7 8 system OFF as a result
22. Operation acc to times of use BEA ON System out of operation Fb13 ON and ooperating mode switch at ON Operation according to times of use OFF System out of operation Fan operation feedback to BE2 OFF 0109 Fb14 ON Function block parameters START Delay time O to 180 sec 180 sec System frost protection with BE3 OFF 0109 Fb 15 ON Standard operation or frost protection dependent on BE3 BE3 OFF Frost protection mode BE3 ON Standard operation Automatic switchover between summer and winter ON 0109 Fb16 OFF Automatic switchover between summer time and winter time Selecting sensor type OFF 0109 Fb17 ON Pt100 and Pt1000 sensors mixed possible Fb17 OFF Pt100 and PTC sensors mixed possible 5477 91 Appendix Fb Function WE Anl Comment Function block parameter Range of values default 18 Assigning the inputs AE1 to OFF 9 Fb18 ON Determine measured variable and AE4 0 to 10 V measuring range for AE1 to AE4 Select measured variable not assigned bne DUE 1 air temperature F1 easured variables can only AE3F2 exhaust air temperature F2 pose 9 or AE2F3 outdoor temperature F3 inputs as an alternative if they are labeled in the AESF5 room fSmpenome F5 system diagrams Locking AE2F6 supply air humidity EXON nee A
23. a Y Press arrow key 2 d All the other vacations that have been entered appear n Q on the display X vi Y2 Binary inputs d L j b L1 The binary outputs are displayed x x ee BU III p UA roto Eve 4 amp X n e vi v2 The fault status register register FSR appears 108 5477 EN 12 4 Technical data Appendix Inputs 10 configurable inputs for Pt100 and PTC sensors Pt100 and Pt1000 sensors or binary messages including inputs for humidity measuring F and F7 100 to 138 5 linear to 100 rH or 1000 to 2000 linear O to 100 rH 2 inputs F8 and F9 only for potentiometer 1000 to 2000 or bina ry messages 4 inputs for 0 to 10 V Ri 18 kQ for connecting active temperatu re humidity and air quality sensors adjustable temperature mea suring ranges Outputs Analog outputs 4 continuous action outputs O to 10 V load 5 ko Binary outputs 5 for pumps fans and chiller floating Loading capacity max 230 V AC 3 A cos y 0 6 min 230 V AC 10 mA 24 V AC 50 mA 1 for fault indication open collector max 24 V DC 10 mA Interfaces RS 485 for connection to a four wire bus or RS 232 for connection to a modem Control parameters Kp 0 1 to 99 Tn 1 to 999 s Ty 1 to 999 5 Operating voltage 230
24. air temperature maximum limit coordinate 1 Outdoor temperature coordinate 1 Return air temperature maximum limit coordinate 2 Outdoor temperature coordinate 2 The gray shaded area in Fig indicates the permissible return air temperatures 54 5477 EN Control functions If the Return air temperature maximum limit is exceeded by the amount x the set point for cascade control the set point of the exhaust air or room temperature is reduced by the amount x multiplied with the Return air temperature limit factor x Actual return air temperature Return air temperature maximum limit Note The permissible return air temperature maximum limit depends on the outdoor tem perature see Fig Supply air temperature set point calculated Supply air temperature set point x Return air temperature limit factor The supply air temperature limit has priority Parameters WE Range of values Return air temperature minimum limit 20 0 C up to return air flow temp maximum limit Return air flow temperature maximum li 70 Return air temperature minimum limit up to 100 C mit coordinates 1 and 2 Return air temperature limit factor 1 0 to 10 Outdoor temperature coordinate 1 5 C 50 to 20 C Outdoor temperature coordinate 2 20 C 50 to 20 C 6 5 Sustained room temperature If a room temperature sensor is connected the Sustained room temperature is monitored when the system is in the reduced operation mode If the
25. and Fb26 ON BE in FSR should a fault occur then Fan malfunction is registered in the FSR and not just the switching state of BE2 You can read the status register by keeping the enter key pressed down in the operating level when the baud rate appears in the display The display can be interpreted as shown below Number Bit number in HR 0123 45 67 8 9 10 11 12 13 14 15 This symbol appears on the right next to the number when the bit is set Bit value 20 2 22 23 24 2 26 27 28 29 210 911 212 913 214 215 Sensor failure DO Default values read D1 Mode switch defective D2 Unauthorized access D3 BE1 D4 BE2 D5 BE3 D BE4 D7 BE5 D8 BE D9 7 BE8 D11 BE9 D12 D13 BE11 D14 BE12 D15 The binary inputs are registered in the status register when the function block associated with it is activated in the configuration level 78 5477 EN Communication 9 Communication The TROVIS 5477 Ventilation Controller can communicate with a building management sys tem GLT over the serial system bus interface A complete control system can be set up using an appropriate software for visualization and communication The following communication versions are possible Operation with a modem for a dial up line to the system bus interface RS 23
26. as described in chapter 11 5 Fit the controller housing 6 Fasten both screws 1 Top hat rail mounting 1 Fit the spring loaded hook 4 at the bottom of the top hat rail 3 2 Slightly push the boiler controller upwards and pull the upper hooks 5 over the top hat rail 84 5477 EN Installation Panel mounting Controller casing 15 62 Dimensions in mm Top hat rail mounting W xH xD 144 x 96 x 102 Fig 28 Mounting the controller 5477 85 Electrical connection 11 Electrical connection Caution For the wiring and connection of the controller you are required to observe the regulations of the Association of German Electrical Engineers VDE and your local power supplier For this reason this type of work must be carried out by a specialist A Caution The controller inputs are not DC isolated from the control outputs If actuators and active sen sors are used which are supplied from the same operating voltage source either all the ac tuators or all the sensors must be DC isolated If these instructions are not followed the controller may be destroyed Notes concerning the electric wiring Use separate cables for the 230 V supply lines and the signal lines To improve the noise immunity keep a minimum distance of 10 cm between these cables This distan
27. bit 16 bit addressing Parameters WE Range of values Station address 255 O to 247 8 bit O to 999 16 bit Baud rate BAUD 9600 150 300 4800 9600 Section 9 3 Description of the communication parameters to be set EB 5477 EN 81 Communication 9 3 Description of the communication parameters to be set Station number The stations number is the controller s address It can only be allocated once in a system net work Baud rate BAUD Transmission rate Within a bus system the transmission rate is the same as the transfer rate between the con trol station and the controller The baud rate within the system must always be the same Pulse or multifrequency dialing PULS ton Fb44 Determines the dialing procedure Pulse dialing Puls or multifrequency dialing ton Telephone number of the control station The telephone number may have 23 characters at the maximum indicates the end of the string Enter short pauses e g between dialing code and the telephone number using P Example Telephone number 069 654321 gt Enter 069P654321 Telephone number of the alternative recipient NR ALT Enter the number in the same manner as the control station number Modem dialing interval PA The time interval that must be kept between two calls Number of dialing attempts An The number of attempts fo dial the control station when the control station line is busy without resetting the function to trigger
28. quickly as possible This func tion has priority over the air quality control After the system deviation has been balanced out the air quality control is enabled again The function is activated when the Factor of change Kp is selected greater than O Example The supply air temperature has reached its minimum permissible value at 50 air volume yaa 50 Exhaust air temperature set point 22 C Exhaust air temperature 24 Factor of change 5 Yan Y XD Ke 50 24 C 22 C 40 C 100 5 75 XD is the percentage error in relation to the measuring range lts maximum limit is 10 5477 51 Control methods and system components The system runs at an air volume of 75 to reduce the excess temperature more quickly The air quality control is implemented by a PI control algorithm with the parameters Kp Air quality control and Ty Air quality control The operating action of the air quality input can be reversed The default setting is an oir quality of O to 100 which corresponds to an input signal of O to 10 V LO means an insuf ficient air quality By activating the function block Fb24 the operating action is reversed air quality O to 100 then corresponds to 10 to O V As a result LO means a very good air quality Functions WE Configuration Assignment of inputs AE1 to AEA OFF Fbl18 ON option AEAL Request for externally required signal OFF Fb20 OFF Variable air volume co
29. room temperature falls below this limit value at first the system start up function is initiated Then the supply air temperature is controlled constantly to the set point Supply air temperature maximum limit minus 1 C If the room temperature has reached the Sustained room temperature plus 2 C the sustained room temperature function and usually the operation of the entire system is ended Functions WE Configuration Sensor F5 room temperature Fb5 ON Parameters WE Range of values Room sustained temperature De Supply air temperature minimum limit 26 C Supply air temperature minimum limit up to 50 C EB 5477 55 Control functions Set point C A 30 4 26 22 Outdoor temperature Fig 21 Summer compensation 6 6 Night purge During the times of non use the night air can be used to cool the rooms under certain condi tions the fan operation speed 1 is enabled and if necessary the mixed air chamber is re versed to 100 outdoor air rate The night purge is only enabled when the summer deacti vation function section 6 10 2 is active and in addition the following conditions are met Room temperature is greater than the room temperature limit Enable night purge START and Temperature difference between room temperature and the outdoor temperature is greater than the value set under Temperature difference to outdoor temperature The night purge can be set
30. speed 2 is only enabled after the Delay time has elapsed When the speed 2 is switched back to speed 1 the fans are switched off speed 1 is only enabled after the Delay time has elapsed The Delay time is still taken into account even if the fans are activated in manual operation mode Functions WE Configuration Two speed fans over BA2 BA3 OFF 2 2 OFF ON Osec Delay time 0 to 60 sec The following applies UE crime 1 BA2 BA3 ON en ah a eee 2 BA2 OFF ON EN Note If the outdoor air extract air damper should additionally be controlled over BA2 it will be necessary to determine that BA2 also remains activated when fan speed 2 is in operation Activating the fan speed dependent on the air quality If the air quality falls below the Air quality set point the operation of fan speed 2 is de manded The fans are switched back to fan speed 1 when the air quality has risen to a value greater than Air quality set point Differential gap of speed 2 1 provided that the time schedule for Fan speed 2 or the external demand for fan speed 2 do not require the oppo site 5477 63 Control functions Functions WE Configuration Assignment of inputs to AE4 OFF Fb18 ON option AEAL Parameters WE Range of values Air quality set point 50 0 to 100 Differential gap of speed 2 gt 1 5 5 to 30 6 11 5 Fan operation
31. temp maximum limit Supply air temperature maximum limit 26 C Supply air temp minimum limit up to 50 C 6 2 Supply air humidity limit For exhaust air or room humidity control the parameters Supply air humidity minimum limit and Supply air humidity maximum limit restrict the humidity range within which the supply air humidity may vary If it leaves this range the deviation is included in the system deviation to prevent any further drifting of the supply air humidity The main purpose of the supply air humidity maximum limit is to prevent condensation form ing in the supply air duct Functions WE Configuration Sensor F6 supply air humidity or Fb ON assignment of outputs AE to AEA OFF Fb18 ON option AE2F6 Parameters WE Range of values Supply air humidity minimum limit 40 rH 0 rH up to supply air humidity max limit Supply air humidity maximum limit 60 rH Supply air humidity max limit up to 100 rH 5477 53 Control functions 6 3 Return air temperature limit The temperature range within which the return air temperature may vary is determined by the parameters Return air temperature minimum limit and Return air temperature maximum limit If the return air temperature moves towards these limits the set point is corrected for the cascade control the set point of the exhaust air or room temperature In the range Re turn air temperature minimum limit the set point is directly raised by the amount x multi
32. to retrieve and set parameters Enter key Operating level allows you to read set points Parameter level allows you to access and acknowledge parameters Configuration level allows you to access and acknowledge function blocks Operation 1 1 2 Mode switches Operating mode switch Automatic operation with switchover between rated and re duced operation Rated operation Reduced operation Manual operation Sr BE Selection switch for manual operation The function of the selection switch depends on the position of the operating mode switch see above Position Function at operating mode switch at selection switch for manual operation SN Operation of selected output 2 Display of output states Control output Y1 heating coil Control output Y2 humidifier mixed air chamber heat recovery unit Control output Y3 cooling coil Pump s Fans ope EB 5477 7 Operation Set point correction switch Changes remain effective until the switch position is changed again Set point reduction in 1 C increments per notch 0 No change in set point Set point increase in 1 C increments per notch 1 2 Operating modes Day mode rated operation 3 The set points set for rated operation are constantly used by the controller irrelevant of the programmed time of use or summer mode Stand by opera
33. to start at 0 00 hrs at the earliest 4 00 hrs at the latest depending on the programmed system times of use The controller must be programmed to start the night purge at the latest possible point in time It is limited to two hours at the maxi mum If the room temperature falls below the room temperature limit value determined under Finish night purge STOP the night purge is ended early Functions WE Configuration Night purge OFF Fbl10 ON 24 C START STOP up to 50 C 18 C STOP 10 C up to START 5 C Temperature difference to outdoor temp 0 to 50 C 56 EB 5477 EN Control functions 6 7 Summer compensation The function is basically available for all systems with a cooling coil Anl 1 Anl 4 to Anl 9 This summer compensation function lets the temperature set points for supply air exhaust air and room be shifted in a linear manner by means of two coordinates For this purpose the following parameters must be defined Summer compensation when the outdoor temperature is greater from this outdoor tem perature onwards the temperature set point is raised Set point at an outdoor temperature of 32 C determines the gradient of the characteristic curve Example In an air conditioning system the supply air temperature set point should be raised when the outdoor temperature is greater than 25 C At 32 C the supply air temperature set point should be 26 C Supply air temperature set point 22 C Summer comp
34. unpressed for longer than two minutes 18 5477 EN Start up 2 2 Activating and deactivating functions The controller is configured by setting the function blocks Fb You can activate or deactivate function blocks in the configuration level CO On opening the configuration level a black square located to the right of a function block number at the top of the display indicates whether function block is activated The initial display shows the function blocks 1 to 24 Scroll to the function blocks 25 to 47 to display the setting of these function blocks Proceed as described below to set the function block parameters How to proceed Change to the configuration and parameter level PA appears on the display Select CO configuration level Enter the configuration level Anl appears on the display Select the required function block X m5 B5 el Confirm the function block you have selected Fb_blinks If a function is protected 0 appears on the display The code number must be entered section 2 5 before a protected function block can be changed Press the upward arrow key to activate the function block Fb ON A black square to the right of the function block number at the top of the display indi cates that the function block is activated or alternatively Press the downward arrow key to deactivate the function block Fb OFF Press the en
35. vacations During vacation periods the controller constantly remains in stand by mode All safety func tions are activated A maximum of 10 vacation periods can be entered Parameter WE Range of values Vacation period START STOP 01 01 to 31 12 How to proceed V Switch to the configuration and parameter level PA appears on the display Pk Press the enter key _ The time appears on the display Q5 blinks slowly 0123456 7 8 9 1011121314 15 16 17 18 19 20 21 2223 24 Yl Select vacation data point appears on the display A Pk Press the enter key to access vacation data point TE _ START appears on the display ove T V Press the arrow key until appears if neces Es MEN sary EB 5477 EN 15 Operation K Press the enter key The symbol blinks quickly V Set when the vacation period should start Press the enter key to confirm the start of the vacation period STOP appears on the display V Set when the vacation period should end K Press the enter key to confirm the end of the vacation period To enter other vacations press the arrow key until appears on the display again Re peat the steps in the gray box Vv Select End K Exit the parameter level gt Return to the opera
36. whenever the outdoor temperature falls below the value Pump ON when the outdoor temperature is smaller If the stand by monitor ing is active the symbol appears on the display of the controller in the operating level Function WE Configuration Sensor F3 outdoor temperature or Fb3 ON assignments of inputs to AE4 OFF Fb18 ON option AE2F3 Parameter WE Range of values Pump ON when the outdoor temperature is OLE 50 to 10 smaller 7 2 4 Stand by control If the outdoor temperature sensor F3 AE2 and a return air temperature sensor FA exist the value Return air temperature minimum limit in the heating coil is controlled for the frost protection in addition to the stand by monitoring function during times of non use An active stand by control is indicated in the operating level of the controller by the symbol appearing on the display Functions WE Configuration Sensor F3 outdoor temperature or Fb3 ON assignments of inputs AE1 to AEA OFF Fb18 ON option AE2F3 Sensor F4 return flow temperature of heating Fb4 ON coil 7 3 Forced operation of the pumps If the connected pumps have not run during the past 24 hours a force operation of the pumps is started to prevent them from jamming 5477 69 System wide functions 7 4 External correction of the temperature set point The set point can be changed at the set point correction switch or by a potentiometer con nected to input F8 The pot
37. 02 5477 EN Symbol Appendix Parameter description Range of values default setting 01234596 7 8 9 101112131415 16 17 18 19 20 21 2223 24 gl PA SERT v1 v2 v3 Minimum outdoor air rate 0 to 100 WE 20 01234596 78 9 101112131415 16 17 18 19 20 21 2223 24 TUE PA NS Y3 Y1 2 27 Minimum outdoor air rate when the outdoor temperature is smaller 710 to 50 C WE 0 C 01234596 78 9 101112131415 16 17 181920212223 24 100 outdoor air rate when the outdoor temperature is greater 2 Y1 Y2 Y3 lt Y1 Y3 7 10 to 50 C WE 18 C 01234567 8 9101112131415 16 17 18 19 20 21 2223 24 pan Summer time operation when the outdoor temperature is greater s a 0 to 40 C WE 22 C Y2 i gt va vo ya 012234 5 6 7 B 9 10111213 14 15 16 17 18 19 20 21 2223 24 Heat recovery Minimum temperature limit d il 1 to 10 C WE 3 C PA Y2 8 v T Se 12 v2 5477 103 Append
38. 2 Communication is automatically established only when faults in the plant occur The control ler works autonomously yet it can be dialed over the modem for data retrieval at any time and influenced if necessary The use of a modem connecting cable 1400 7139 is recom mended Operation with a modem for a dedicated line to the system bus interface RS 232 Communication is established constantly over a dedicated line using two dedicated line mo dems This version is used to bridge long distances or for the use of other signal level con verters The controller and modem can also be connected using a modem connecting cable 1400 7139 Operation with a four wire bus to the system bus interface RS 485 The signal level must be converted by a converter SAMSON TROVIS 5484 for the connec tion between PC and bus line RS 232 um RS232C 7 __ RS 485 RS 485 e TROVIS 5477 TROVIS 5477 e m x RE Fig 26 Network structure The TROVIS 5477 Ventilation Controller is equipped with either a RS 232 C or a RS 485 in terface depending on the order It is not possible to change the interface later EB 5477 EN 79 Communication GNDTD DTRDCDRD RTS RS 232 RS 485 Fig 27 Pin assignment RS 232 C and RS 485 9 1 RS 232 C serial inte
39. 441 7 1460 6 1479 4 1498 2 1517 0 1535 8 1554 5 1573 1 Temperature monitor thermostat for plant frost protection Type 5312 2 Resistance values with Pt 1000 measuring element Sensor for outdoor temperature Type 5224 sensor for heating coil return air temperature and HR circuit temperature Type 5264 immersion sensor and Type 5265 surface sensor Reo MON R202 258 SON SON ROR MOON 1694 757 825 896 97110101050 1132 1219 11309 1402 1500 1601 1706 1815 1925 110 5477 EN Appendix 12 6 Customer data Station Operator Responsible Samson office System code number Function block settings Fb ON OFF Options selected function block parameters 2 3 4 5 6 7 Mixed air temperature control Operation in sequence with extract air temperature Operation in sequence with exhaust air temperature Outdoor temperature compensated mixed air chamber operation 8 9 10 Enable night purge START 24 C Finish night purge STOP 18 C Temperature difference to outdoor temperature 5 C 11 Speed 2 BA2 BA3 ON or BA2 OFF BA3 ON Delay time 0 sec 12 OFF Enable chiller at outdoor temperature START 18 C ON SEQ Activating value START 30 Deactivating value STOP
40. 72 5477 EN System wide functions 7 10 External selection of the operating mode 7 10 1 External selection of the operating mode using the four staged switch The operating mode of the ventilation can be determined by an external switch gt Fig 24 with four switch positions OFF Automatic operation Fan speed 1 ON Fan speed 2 ON For this the operating mode switch must be set to automatic operation TROVIS 5477 BE 1 30 29 BE 4 27 28 26 25 BE 7 24 23 21 Fig 23 Example for the selection of the operating mode with an external switch Functions WE Configuration 2 speed fans over BA2 BA3 OFF Fb11 ON BA2 BA3 ON page 63 2 OFF ON gt page 63 Osec Delay time 0 to 60 sec External demand for operation with BE1 OFF External demand for fan speed 2 OFF Fb19 ON option BE7 BE7 recognizable from the square at the bottom right of 7 7 10 2 External selection of the operating mode using Type 5257 6 Room Panel The ventilation operating mode can be determined using the Type 5257 6 Room Panel for wall mounting Fig 24 EB 5477 EN 73 System wide functions TROVIS 5477 Type 5257 6 Room Panel 6 30 7
41. Automation System TROVIS 5400 Ventilation Controller TROVIS 5477 91234 5 6789 XLEDMISIS Vw 22 227 24 e j i TROVIS Electronics from SAMSON Mounting and Operating Instructions EB 5477 EN Firmware version 2 0x Edition April 2004 C Disclaimer of liability Disclaimer of liability We are constantly developing our products and therefore reserve the right to change the product or the information in this document at any time without notice We do not assume any liability for the accuracy or completeness of these mounting and op erating instructions SAMSON rejects liability for claims by the buyer especially claims for compensation including lost profits or any other financial loss except the damage was caused intentionally or by gross negligence If an essential term of the contract is breached by negligence SAMSON s liability is limited to the foreseeable damage Safety instructions Assembly start up and operation of this device may only be performed by trained and experienced personnel familiar with this product Proper trans portation and storage are assumed The controller is intended for use in electrical power installations For wiring h and maintenance you are required to observe the relevant safety regula tions What s new compared to previous version 1 9 Compared to the firmware version 1 9 the following changes have been made A two second del
42. E Configuration Circulating air mode after system start up OFF Fb43 ON 6 11 3 Enabling fan speed 1 Usually the fan speed 1 is enabled over the binary output BA2 at the programmed start of the time of use times of use of the system The system start up has already been completed if necessary at the time period set under Pump advance running time for start up before the time of use starts When a request for an externally required signal is issued the fan speed 1 is possibly enabled with a delay due to the system start up If the outdoor air extract air damper is additionally to be controlled over BA2 it will be nec essary to determine in function block Fb11 that BA2 also remains activated when fan speed 2 is in operation In case of the malfunctions system frost protection or missing fan feedback the fans are deactivated immediately Parameter WE Range of values Pump advance running time for start up 300 sec 0 to 900 sec 62 5477 EN Control functions 6 11 4 Enabling fan speed 2 The fan speed 2 is controlled via the binary output BA3 It is enabled either by Times of use for fan speed 2 by an external demand for fan speed 2 dependent on the oir quality for room temperature control or room temperature cascade control dependent on the room temperature and or when Fb7 is activated dependent on the room humidity After fan speed 2 has been demanded when the system is in stand by first fan speed 1 is enabled
43. E4F7 exhaust air or room humidity F7 prevents an input being assigned twice or AEAL air quality L Function block parameters MIN to MAX Temperatures foUSIMEPNESMES MIN 40 to 0 C 40 C MAX 0 to 70 C 50 C Humidity for F6 F7 MIN 10 to 10 rH 0 rH MAX 90 to 110 rH 100 rH Air quality 0 to 10 V O to 100 L MIN 10 to 10 L O L MAX 90 to 110 L 100 L 19 External demand for fan OFF 0 to 9 Fb19 ON Only with Fb11 ON speed 2 Select BE4 BE7 dependent on or independent from BE1 20 Request for externally OFF O to 9 Fb20 ON Externally required signal required signal Function block parameters MIN AA Flow requirement O to 120 C 90 C MAX AA Flow requirement O to 120 C 90 C MIN Change when Y1 0 to 100 C 10 C MAX Change when Y1 0 to 100 C 90 C Fb20 OFF Outdoor temperature when available to AA 40 to 50 C 0 to 10 V 21 Operating action of Y1 OFF 0 to 6 Fb21 ON 0 to 100 10 to O V 8 9 Fb21 OFF 0 to 100 O to 10V 22 Operating action of Y2 OFF 2 to 9 Fb22 ON 0 to 100 210 to O V Fb22 OFF 0 to 100 10 V 23 Operating action of Y3 OFF 1 Fb232ON 01o 100252 10 4 to Fb23 OFF 0 to 100 O to 10 V 92 EB 5477 EN Appendix Fb Function WE Anl Comment Function block parameter Range of values default 24 Operating action of L
44. F is the control variable input for supply air humidity by default Alternatively the analog input AE4 can be used for exhaust air or room humidity or the analog input AE2 for the supply air humidity 42 5477 EN Control methods and system components The master loop has a P control response with adjustable Exhaust air humidity set point or Room humidity set point and Kp Humidity master loop The supply air control is implemented by a PID control algorithm with adjustable Humidity set point of the slave loop The humidity control loop can be used either just for humidifying or for humidifying and dehumidifying by involving the cooling coil in sequence to the humidifier The requirements of the humidity control loop for dehumidifying and the temperature control loop for cooling are converted internally into one common control signal Y3 for the cooling unit Each output can be adap ted to the dynamics of the corresponding system components by means of the Kp TN and Ty control parameters that are adjustable The set point of the supply air humidity control loop is shifted depending on the system deviation in the exhaust air or room humidity control loop Each deviation in humidity by the amount x shifts the supply air humidity set point by the amount x multiplied by the parameter Kp Humidity master loop within the range Supply air humidity minimum limit and Supply air humidity maximum limit x Exhaust air humidity set point Exhaust air h
45. N Appendix 12 Appendix 12 1 Function block list CO Fb Function WE Anl Comment Function block parameter Range of values default Sensor F1 Supply air temperature 0109 Fb1 ON Sensor active always active with supply air exhaust air cascade control and room cascade control OFF Sensor inactive always inactive if Fb18 ON with AE1F1 Sensor F2 Exhaust air temperature 0109 Fb2 ON Sensor active always active with exhaust air control exhaust air cascade control Fb2 OFF Sensor inactive always inactive if Fb18 ON with AE3F2 Sensor F3 Outdoor temperature 0109 Fb3 2 ON Sensor active Fb3 OFF Sensor inactive always inactive if Fb18 ON with AE F3 Sensor FA 0 to 6 Fb4 ON Sensor active Return air temperature 8 9 Fb4 OFF Sensor inactive heating coil Sensor F5 0 to 9 Fb5 ON Sensor active always active with room Room temperature control cascade control Fb5 OFF Sensor inactive always inactive if Fb18 ON with AE3F5 Sensor F 3 5 Fb ON Sensor active Return temperature HR Fb OFF Sensor inactive Sensor F 6 8 9 Fb ON Sensor active always active with supply Supply air humidity air exhaust air cascade control and room cascade control Fb OFF Sensor inactive always inactive if Fb18 ON with AE2F6 Sensor F7 2 4 Fb7 ON Select mixed air or extract air Mixed air sensor Mixed air temperature contr
46. OFF 0109 Fb45 ON Dialing initiated for incoming and outgoing faults Fb45 OFF Dialing initiated for incoming faults Note Can only be changed with the code number 94 EB 5477 EN Fb Function WE Anl 46 Alternative recipient OFF 47 Prevent modem dialing OFF Comment Function block parameter Range of values default EB 5477 95 Appendix 12 2 List of parameters Parameters in PA level The parameters displayed below are just examples The system shown does not appear in the controller Symbol Parameter description Range of values default setting Gy 12345867 8 9 101112 1314151617 18 19202122 2324 Time PA 2 ae i eT 012234567 8 9 1011121314 15 16 17 18 19 2021 22 23 24 Supply air temperature set point 0 to 50 C WE 22 PA 1 9 um 0123 4 5 6 7 8 91011121314 15 16 17 18 19 202122 2324 Exhaust air temperature set point E E 0 to 40 C WE 22 C PA lt O x o XT 01234587 8 9 1011121314 15 16 17 18 192021222324 Room temperature set point E EL 1 40 c we 22 0 PA S e gt owe geet Veh YG 2
47. V 10 26 15 25 power VA Ambient temperature 0 to 40 C Storage temperature 20 to 60 C Degree of protection IP 40 corresponding to IEC 529 Class of protection corresponding toVDE 0106 Degree of contamination 2 corresponding to VDE 0110 Overvoltage category Il corresponding to VDE 0110 Humidity rating F corresponding to VDE 40040 Noise immunity Corresponding to EN 61000 6 1 Noise emission Corresponding to EN 61000 6 3 Weight Approx 0 6 kg EB 5477 109 Appendix 12 5 Resistance values Resistance values with PTC measuring element Sensor for outdoor supply air exhaust air and mixed air temperature Type 5215 duct sen sor Sensor for outdoor temperature Type 5227 2 wall sensor for heating coil return air tem perature and HR circuit temperature Type 5227 2 immersion sensor and Type 5267 sur face sensor Sensors for room temperature Type 5257 1 5257 6 room panel 30 25 20 mls 10 0 5 10 Q 862 5 882 2 901 9 921 6 941 2 960 9 980 4 1000 0 1019 5 1039 0 C 15 20 25 30 35 40 45 50 59 60 Q 1058 5 1077 9 1097 3 1116 7 1136 1 1155 4 11747 1194 0 1213 2 1232 4 C 65 70 75 80 85 90 gs 100 105 110 Q 1251 6 1270 7 1289 8 1308 9 1328 0 1347 0 1366 0 1385 0 1403 9 1422 9 AE 120 125 130 135 140 145 150 Q 1
48. a O to 10 V signal at the analog output AA The outdoor temperature can be measured either with a temperature sensor at F3 or alternatively using an analog input The measuring range is permanently allocated 0 to 10 V 2 40 to 50 C The outdoor temperature can be passed on to other controllers using this function Functions WE Configuration Request for externally required signal OFF Fb20 OFF Variable air volume control over AA OFF 9 OFF 7 13 Locking settings The controller is protected against unwanted configuration and parameterization First when this function is inactivated the settings in the controller can be changed The settings for time and date times of use for vacations and public holidays as well the set points for supply air exhaust air and room temperatures as well as the set points of the slave loop are not af fected by the locking function The locking function is inactivated by switching it off Function WE Configuration Locking settings OFF ON 76 5477 EN Malfunctions 8 Malfunctions Interruptions or short circuits in the sensor wiring along with other malfunctions are indicated on the display with the blinking symbol Additionally they are indicated over the fault in dication output BAS In the operating level appears on the display instead of a measured value when a sensor has failed Fault alarm output The binary output BA is an open collector
49. a call by the control system After the specified number of redialing attempts have failed the controller uses the alternative phone number The function to trigger a call is reset by the control system by retrieving the status register FSR Cyclic initialization In This parameter defines the period of time for a cyclical issue of the initialization command ATZ The command is not issued during dial up or when connected The ATZ initialization causes the profile O to be copied to the active profile in the modem provided the modem pa rameters have been set and saved in profile O using a terminal program that came with the modem Note When using a dial up modem no data can be written to the controller at first after the con nection has been established To unlock the key number needs to be sent to holding register 158 82 5477 EN Communication 9 4 Memory module The use of a memory module order no 1400 7142 is particularly useful for transferring all the configuration data from one TROVIS 5477 Controller to other controllers The memory module has a sub D 25 pin female connector on the front panel After inserting the RJ12 jack of the memory module into the controller 77 SP appears on the display If the memory module already contains data from another controller SP 77 appears on the dis play when the arrow keys are pressed Press the enter key when 77 SP appears on the display to upload controller settings on
50. ast once for approximately one minute every 24 hours to prevent it from becoming jammed up 6 11 12 Electric air heater The binary output BAS can also be used to control an electric air heater in on off operation instead of the HRU pump BAS is then controlled depending on the control signal Y1 The control signal Y1 is available parallely Function WE Configuration BA5 dependent on Y1 OFF FB38 ON 30 START activating value STOP up to 100 10 STOP deactivating value O up to START lOsec Lag time of the fans 0 to 60 sec 5477 67 System wide functions 7 System wide functions 7 1 Switchover between summer time and winter time The controller switches automatically between summer time and winter time The summer time is set to begin on the last Sunday in March at 2 00 a m and winter time to begin on the last Sunday in October at 3 00 a m Function WE Configuration Switchover between summer time and OFF Fbl ON winter time 7 2 Frost protection 7 2 1 System frost protection This function is used to protect the heating coil from being damaged by frost Depending on the binary input BE3 the system runs or frost protection function is run If BE3 input makes contact the frost protection function starts the fans are deactivated and the circulation pump of the heating coil is activated a 100 signal is issued at the control output of the heating coil Y1 When the frost protection function is ac
51. ation and parameter level PA appears on the display Press the enter key _ The time appears the display blinks slowly 012234 5 6 7 8 9 101112 1314 15 16 17 18 19 20 21 2223 24 Select public holidays data point d appears on the display EX Press enter key to access data point veg T V Press the arrow key until appears if neces mri gt Ya DK Press the enter key The 7 symbol blinks quickly Y Change the date of the public holiday Confirm the date of the public holiday To enter other public holidays press the arrow key until appears on the display again Repeat the steps in the gray box 14 5477 EN Operation Select End Exit the parameter level gt Return to the operating level Note Public holidays that are not assigned to a specific date should be deleted by the end of the year so that they are not carried on into the following year Deleting a public holiday V Use the arrow key to select the public holiday you want to delete Press the enter key x Vv the arrow key until appears is between 31 12 and 01 01 Press the enter key The public holiday is deleted 1 6 2 Entering
52. ay before a sensor failure is detected and before a binary input state changes to suppress error messages caused by signal distortion The system bus interface can be switched over from 8 bit addressing to 16 bit addressing Fb44 When the modem is in operation if you keep the enter key pressed when the time ap pears on the display the current connection status Free Call Conn or Ring is shown 2 EB 5477 EN Contents Table of contents N N meee ee Re ee ee N RE acs x om SR RS 6 Operating 6 Operatingkeys 6 Mod SWINGS meis wake d RO or TR EON 7 Operating modes 2 8 Displays 9 10 Setting the time and date 10 Programming time schedule 12 Entering public 14 Entering vacations le 15 Starup ea ted EIE E Os ee ere 17 Setting the system code number and control method 17 Activating and deactivating 19 Changing parameters a a 20 Calibrating sensors s lt s es ooo 21 Entering the key number aaa 22 Resetting default 22 Manual
53. c initialization In O to 255 min 5 min Modem dialing interval PA O to 255 min 5 min Modem timeout to O to 99 min PULS Dialing procedure PULS ton Phone number GLT 80 5477 EN Communication Functions WE Configuration Fault dialing OFF Fb45 Alternative phone number OFF 6 5 Number of dial attempts GLT An 0 to 99 Alternative phone number Blocking modem dialing OFF Fb47 Parameters WE Range of values Station address 255 O to 247 8 bit O to 999 16 bit Baud rate BAUD 9600 150 300 4800 9600 gt Section 9 3 Description of the communication parameters to be set 9 2 RS 485 interface The operation using a RS 485 serial interface requires a continuous bus connection data cable with four wire connection The bus line connects all the control devices through an open ring The four wire bus is connected to the control station at the end of bus line using a RS 485 RS 232 converter e g TROVIS 5484 The maximum cable length is 1 200 m In this segment up to 32 devices may be connected If you wish to use more devices or bridge greater distances make sure repeaters e g TROVIS 5482 are installed to replicate the signal On the whole max 246 participants can be connected in line Caution For the installation observe the standards and regulations for lightning and overvoltage pro tection Function WE Configuration Modem operation OFF Fb44 OFF 8
54. ce also applies to the cables inside the control cabinet Use separate cables for the digital signals bus lines and the analog signals sensor ca bles analog outputs We recommend that shielded cables be used for analog signal lines in systems with a high level of electromagnetic noise Ground the shield at the control cabinet inlet or out let using a large surface contact Connect the central grounding point using a cable with gt 10 mm on the shortest route to the PE grounding conductor Equip the inductances in the control cabinet e g contactor coils with suitable interferen ce suppressors RC elements Control cabinet elements with high field strengths e g transformers or frequency conver ters should be shielded by means of separators that have good chassis ground Surge protection measures If signal lines are routed outside of buildings or over long distances you are required to provide appropriate surge protection measures Theses are imperative when bus lines are used The shield of signal lines that are routed outside buildings must have current carrying ca pacity and must be grounded on both sides The surge diverters must be installed at the control cabinet inlet 86 5477 EN Electrical connection Connecting the controller Connect the controller as shown in Fig 30 A Note It is important to observe the system code number and the configuration 1 Open the casing 2 Make holes to fee
55. configurable WE daily 7 00 to 22 00 hrs js n 012234 5 6 7 B 9 1011121314 15 16 17 18 19 20 21 22 23 24 Public holidays m freely configurable 01 01 01 05 25 12 26 12 PA T liis Max 20 public holidays gee YO Ne Yd 2 Vacations freely configurable WE no vacation periods set PA eee SEP Y1 Y2 Max 10 vacation periods 34 5 6 7 9 101112131415 16 17 18192 PA ST NR y2 ole RTT vi v2 Station number 1 to 247 WE 255 01234 56 7 9101112131415 16 17 18 19 20 21 22 23 24 gb BAUD PA Baud rate 150 300 600 1200 2400 4800 9600 WE 9600 106 5477 EN Appendix 12 3 Display The data points listed below are typical displays that appear in conjunction with system code 1 Symbol Designation of the data point OC ttc Time PA wee Cou t n xt YE vi Y2 Outdoor temperature 1507 A K Press enter key i Summer deactivation active 1 active 0 X Daily mean temperat
56. configuration level see Fig 30 How to proceed gt Change to the configuration and parameter level PA appears on the display Select CO level the enter key The currently active system code number e g Anl 1 blinks on the display Press the enter key Anl and CO blink quickly EB 5477 EN 17 Start up Select the required system code number Confirm the system you have selected Anl starts to blink slowly on the display Press upward arrow key The components of the system and the arrows indicating the control method start to blink on the display Press the enter key The components of the system and the control method arrows start to blink quickly on the display Select the control method Confirm the control method you have selected System code numbers 6 8 and 9 V Select the control method for the humidity control loop The humidity control loop is set in the same manner as the temperature control loop On selecting options humidifying and dehumidifying mode or just humidifying mode are differentiated between In the humidifying mode just the humidifier blinks W Press both arrow keys simultaneously CO appears on the display again gt Press the changeover key to return to the operating level Note The controller automatically returns to the operating level when keys are left
57. controller can be used to control ten different types of systems which are as signed system code numbers in the controller System code number System description System type 0 Heating coil Ventilation 1 Heating coil Ventilation Cooling coil 2 Heating coil Ventilation Mixed air chamber 3 Heating coil Ventilation Heat recovery unit 4 Heating coil Ventilation Cooling coil Mixed air chamber 5 Heating coil Ventilation Cooling coil Heat recovery unit 6 Heating coil Air conditioning Cooling coil Humidifier 7 Cooling coil Ventilation 8 Heating coil Air conditioning Cooling coil Mixed air chamber Humidifier 9 Heating coil Air conditioning Cooling coil Heat recovery unit Humidifier Also chilled ceiling or direct expansion evaporator single speed 24 5477 EN Systems System code number 0 Ex ON Ext speed 2 eS eS Set point eS i ag al BEI BEA BE7 BA2 BAI BA2 BA3 Speed 1 Speed 2 5 4 F8 F7 F5 F2 AE2 AEA AE3 vil AA Fig 2 Anl 0 system code no 0 ventilation Control of the heating coil Outdoor temperature compensated supply air control gt section 6 10 1 Fan operation 2 speed or to 10 V gt section 6 8 and 6 11 4 5477
58. d through cables at the marked locations on the top bottom or back of the rear casing Insert the enclosed grommets Connecting sensors Connect cables with a minimum cross section of 2 x 0 5 mm to the terminal strip of the cas ing rear panel Connecting actuators and pumps Guide cables suitable for damp locations with a minimum cross section of 1 5 mm to the terminal strip of the controller according to the wiring plan 5477 87 Electrical connection BEI 30 F12 BE2 29 F11 28 10 BEA 27 F9 So 4 5 34 26 F8 S BES 25 F gt 5 BE7 24 F6 14 BEB 23 L 5 tS BE9 22 FA 1 4 BE10 21 lt BE11 20 F2 BEI2 19 F 14 m 18 t 17 t 16 t 15 14 AE4 0 10V4 13 AE3 0 10V4 12 AE2 0O 10V 11 H AEI 0 10V 0 10V J 10 AA 0 10V 9 Y3 0 10V 8 Y2 0 10V 7 Yl i 6 Y AA GND 5 4 3 _ 7 2 1 BA6 BA7 COM BA AA Analog output AE Analog input BA Binary output BE Binary input F Sensor or potentiometer input GND Ground Y Control output Fig 29 Electrical connections 1 N L1 31 32 33 34 35 36 37 38 BAI 39 40 BA3 BA4 41 42 43 BA5 44 45 88 5477 E
59. e Temperature set point of slave loop Depending on the system code number the supply air temperature control loop has between 1 and 3 sequence outputs that are adapted to the dynamics of the correspond ing system components by means of the Kp TN and Ty control parameters The parameters Supply air temperature minimum limit and Supply air temperature maximum limit restrict the set point shift which arises when the exhaust air temperature control loop takes influence on the supply air temperature control loop Each deviation in exhaust air temperature by the amount x causes a shift of the supply air temperature set point by the amount x multiplied by the parameter Kp Temperature of the master loop x Exhaust air temperature set point Exhaust air temperature actual value Temperature set point of slave loopcalculated Temperature set point of slave loop x Kp Temperature master loop Note If the calculated set point is not within the limit the minimum or maximum limit applies as the new set point 38 5477 EN Control methods and system components Shifts in the set point which are caused by manual set point correction return air tempera ture limit summer compensation or by condensation detection have unrestricted effects on the exhaust air temperature set point Functions WE Configuration Control method Exhaust air cascade control gt page 17 Sensor F1 supply air temperature or Fbl ON or assignment o
60. e or room humidity MIN Reaction when limit is not reached MAX Reaction when limit is exceeded Se Difference room temperature set point 1 to 10 C 5 rH Difference room humidity set point 1 to 10 rH Factor of change with cascade control only 6 9 Air quality control via the mixed air chamber The air quality control via the mixed air chamber function is available in the systems with code numbers Anl 2 Anl 4 and Anl 8 The control signal Y2 is formed from two control sig nals that exist internally and originate from the temperature control loop and the air quality control loop If the measured air quality falls below the value Air quality set point the out door air rate determined until then just by the temperature control loop is increased depend ent on the control parameters Kp Air quality control and TN Air quality control Under opti mal conditions i e the Air quality set point is exceeded the outdoor air rate can be gradu ally reduced by the PI control algorithm until it reaches Minimum outdoor air rate provided the temperature control loop does not demand the opposite Functions WE Configuration Assignment of inputs to AE4 OFF FB18 ON option AEAL Oto 10V Parameters WE Range of values Air quality set point 50 1 to 100 Kp Air quality control 0 5 0 1 to 99 9 Ty Air quality control 60 sec 1 to 999 sec Minimum outdoor air rate 20 01010075 58 5477 EN Control functions 6 10 Outdoor tempera
61. easured at the actual point of measurement The actual temperature at a thermometer direct at the point of measurement can be used as the reference temperature 5477 21 Start up Confirm the new temperature PK End sensor calibration Other sensors can be calibrated in the same manner V Press both arrow keys simultaneously to exit parameter level gt Return to the operating level 2 5 Entering the key number Several functions are protected against unintentional and unauthorized access These func tions can only be altered when the code number is known The code number is written on page 116 Tear out this page or blank out the code number to prevent its unauthorized use How to proceed 0 appears on the display Press the arrow key until the correct code number appears on the display E Confirm the code number When the correct code number is confirmed the function block that should be changed starts to blink quickly on the display The code number remains active for approx three minutes 2 6 Resetting default setting Parameters from the parameter level can be reset to their default values factory settings How to proceed 2l Press the reset key with a pencil etc All the parameters are reset to the factory setting WE 22 5477 EN 3 Manval operation Manual operation In manual operation mode all outputs are s
62. ec Ty Humidifier to 999 sec Minimum outdoor air rate 0 to 100 Minimum outdoor air rate when the outdoor 10 to 50 C temperature is smaller 100 outdoor air when the outdoor tempera 10 to 50 C ture is greater Summer time operation when the outdoor tem 0 to 40 C perature is greater Heat recovery min temperature limit 1 to 10 C Kp Cooling coil 0 1 to 99 9 Ty Cooling coil to 999 sec Ty Cooling coil to 999 sec Supply air humidity set point O to 100 rH Exhaust air humidity set point O to 100 rH Room humidity set point O to 100 rH Supply air humidity minimum limit O to 100 rH Supply air humidity maximum limit O to 100 rH Humidity set point of the slave loop O to 100 rH Kp Humidity master loop 0 1 to 99 9 EB 5477 EN 115 Appendix Parameters Range of values Times of use Start Stop Start 2 Stop 2 Blocks or indivi Monday dual days two times of use Tuesday 0 00 to 24 00 Wednesday Thursday Friday Saturday Sunday Times of use for fan speed 2 Start Stop 1 Start2 Stop 2 Blocks or indivi ender dual days two times of use Tuesday 0 00 to 24 00 Wednesday Thursday Friday Saturday Sunday Public holidays 01 01 to 31 12 Start end of vacation 01 01 to 31 12 Station number 8 bit 16 bit 1 to 247 999 Baud rate BAUD 150 to 9600 Code number 1732
63. em code numbers 6 8 and 9 the demands made by the humidity control loop for hu midifying or the temperature control loop for cooling are converted internally into one com mon control signal Y3 for the cooling coil The operating action of the control output Y3 can be reversed The default setting is a cooling capacity of O to 100 which corresponds to a control signal from O to 10 V By activating the function block Fb23 the operating action is reversed the cooling capacity O to 100 then corresponds to 10 to O V EB 5477 EN 49 Control methods and system components Control signal Humidifying Dehumidifying r Heating Cooling foe Control variable System deviation System deviation Fig 19 Output signals e g in system code number 6 humidifying and dehumidifying Cooling can also be controlled using an on off signal which is issued at the binary output BAA gt section 6 11 7 Control of a chiller is likewise possible section 6 11 8 Functions WE Configuration Operating actionY3 OFF Fb23 Parameters WE Range of values Kp Cooling coil 0 5 0 1 to 99 9 Ty Cooling coil 60 sec 1 to 999 sec Ty Cooling coil 999 sec 5 5 Humidifier The humidifier is controlled in system code number 6 from the control output Y2 and in system code numbers 8 and 9 from the analog output AA The allocation of the control output Y2 to the humidifier shown in the controller display does
64. ensation when the outdoor temperature is greater 25 C Set point at an outdoor temperature of 32 C 26 C Parameters WE Range of values Summer compensation when the 26 C 50 to C outdoor temperature is greater Set point at an outdoor temperature of 32 C 26 C 0 to 40 6 8 Fan operation dependent on room temperature room humidity You can select this function with room temperature control room temperature cascade con trol room humidity control room humidity cascade control or with room humidity measure ment Fb7 ON or Fb18 ON AE4F7 or with a two speed fan operation or with variable air volume control The fan speed 2 is activated parallel to the associated times of use depending on the room temperature and or room humidity or the fan speed increases depending on the room tem perature and or room humidity In systems that have a mixed air chamber the outdoor air rate is additionally increased if the set point of the room humidity is exceeded Functions WE Configuration Two speed fans over BA2 BA3 OFF Fb11 ON for two speed fans 2 ON gt page 63 2 OFF ON gt page 63 Osec Delay time 0 to 60 sec EB 5477 57 Control functions Variable air volume control over AA OFF Fb39 ON for variable air volume control 25 MIN AA minimum air volume 100 0 0 Kp Factor of change 0 0 to 10 0 Fan operation dependent on room OFF Fb42 ON temperatur
65. entiometer F8 and the set point correction switch both have an ef fect on the temperature set points The set point is changed at the correction switch in 1 C steps from one to the next switch position A correction is possible in the range from 5 C potentiometer setting 1000 to 5 C potentiometer setting 2000 O provided the supply air temperature limitation in a supply air temperature control permits it Function WE Configuration F8 temperature set point potentiometer OFF 8 7 5 External setting of the outdoor air rate The outdoor air rate can be determined at the input F9 with a potentiometer The outdoor air rate is then determined between the value Minimum outdoor air rate potentiometer setting 1000 and 100 potentiometer setting 2000 Function WE Configuration F9 outdoor air rate potentiometer OFF Fb9 ON Parameter WE Range of values Minimum outdoor air rate 20 01010075 7 6 External correction of the humidity set point In all air conditioning systems the humidity set point can be determined at the input F9 with a potentiometer The humidity set point is then determined between 20 rH potentiometer setting 1000 Q and 20 rH potentiometer setting 2000 provided the supply air limit and supply air humidity control allow it Function WE Configuration F9 humidity set point potentiometer OFF 70 5477 System wide functions 7 7 External setti
66. erature control exhaust air cascade control room and room cascade control 5 1 1 Supply air temperature control The sensor input F1 is the control variable input by default Alternatively the supply air tem perature can also be guided over the analog input AE1 to the controller The supply air temperature is controlled by a PID algorithm with an adjustable Supply air temperature set point Depending on the system code number the temperature control loop has between 1 and 3 sequence outputs that are adapted to the dynamics of the correspond ing system components by means of the Kp TN and Ty control parameters Functions such as return air temperature limit summer compensation manual set point correction or condensa tion detection can shift the set point The supply air can be controlled dependent on the out door temperature Functions WE Configuration Control method Supply air control gt page 17 Sensor F1 supply air temperature or Fb1 ON or Assignment of inputs to AEA OFF Fb18 ON option AE1F1 Parameters WE Range of values Supply air temperature set point 22 C KO AC Kp 025 Tn 60 sec 1 to 999 sec Ty Ee ces se 5 1 2 Exhaust air temperature control The sensor input F2 is the control variable input by default Alternatively the exhaust air tem perature can also be guided over the analog input AE3 to the controller The exhaust air temperature is controlled by a PID algorithm with an adj
67. ers 30 SIEIG FALL 31 SIEIG FALL 82 SIEIG FALL 33 SIEIG FALL 34 SIEIG FALL 35 SIEIG FALL 36 SIEIG FALL 37 38 Activation value START 30 95 Deactivation STOP 10 Lag time of fans STOP 10 sec 39 Minimum air volume MIN AA 25 25 Factor of change Kp 0 0 only for cascade control 40 BE4 BE7 SIEIG FALL 4 42 MIN MAX Difference in room temperature set point 5 C Difference in room humidity set point 5 rH 43 44 8 bit 16 bit addressing Cyclic initialization In 30 min Modem dialing interval when line occupied PA 5 min Time constant afer missing Modbus query to 5 min Dialing procedure pulse multifrequency dialing PULS ton PULS Telephone number of control station GLT 45 46 Number of dialing attempts to control station GLT An 5 Telephone number of alternative recipient 47 EB 5477 113 Appendix Parameter settings Parameters Range of values Supply air temperature set point 0 to 50 C Exhaust air temperature set point 0 to 40 C Room temperature set point 0 to 40 C Supply air temperature minimum limit 0 to 50 C Supply air temperature maximum limit 0 to 50 C Kp Heating coil 0 1 to 99 9 Ty Heating coil 1 to 999 sec Ty Heating coil 999 sec Temperature set point of the slave loop 0 to 50 C Kp Temperature master loop 0 1 to 99 9 Return air temperature minimum limit 0 to 100 C Return air
68. et see wiring plan gt section 11 How to proceed 1 2 4 Set the operating mode switch to 7 Slide the selector switch to the output you want to change Y1 to 3 control signal output 1 to 3 pump s output fan s output In systems with several pumps select the pumps using the key The associated symbol blinks in the system diagram When the pumps are deactivated just the pump circuit blinks on the display appears on the display when the output is not relevant for the system code num ber selected Change the output Increase the control signal activate pumps fan 7 Reduce the control signal deactivate pumps fan 4 For two speed fans you can select ONT ON2 or OFF The value does not need to be confirmed It is kept even if you slide the selector switch to another setting Slide the operating mode switch from to exit the manual operating mode Note In manual operation mode the user can set the outputs anyway as required On selecting the manual operation mode all limit temperatures and logical links ceased to be in force The user has absolute control and takes on responsibility for interaction between all the out puts and the resulting consequences A frost protection thermostat Fb 15 ON connected to the controllers keeps functioning even in manual operation mode EB 5477 EN 23 Systems 4 Systems The ventilation
69. f inputs AE to AE4 OFF Fb18 ON option AE1F1 Sensor F2 exhaust air temperature or Fb2 ON or assignment of inputs AE1 to AE4 OFF Fb18 ON option AE3F2 Parameters WE Range of values Exhaust air temperature set point PAE Wiig AAO AC Temperature set point of the slave loop 2296 1950 Kp Temperature master loop 0 1 to 99 9 Supply air temperature minimum limit 18 C 0 C up to Supply air temp maximum limit Supply air temperature maximum limit 26 C Supply air temp minimum limit up to 50 C Kp 0 5 0 1 to 99 9 Tn 60 sec 1 to 999 sec Ty 10 YN axe 5 1 4 Room temperature control The sensor input F5 is the control variable input by default Alternatively the room tempera ture can also be guided over the analog input to the controller The room temperature is controlled by a PID algorithm with an adjustable Room temperature set point Depending on the system code number the temperature control loop has between 1 and 3 sequence outputs that are adapted to the dynamics of the corresponding system components by means of the Kp TN and Ty control parameters Functions such as return air temperature limit summer compensation manual set point correction or condensation detec tion can shift the set point Functions WE Configuration Control method Room control gt page 17 Sensor F5 room temperature or Fb5 ON or assignment of inputs AE to AEA OFF Fb18 ON option AE3F5 5477 39 Control me
70. feedback The operation feedback of the fans can be evaluated with the binary input BE2 If the floating BE2 input makes contact after the fans are enabled and the delay time has elapsed the ventilation system is deactivated STOP blinks on the display First when the next time of use starts a new attempt to start is made automatically Functions WE Configuration Fan operation feedback to BE2 OFF Fb14 ON 180 sec START delay time O to 180 sec Note To start the deactivated system manually switch the operating mode switch briefly from auto matic operation to reduced operation and back again to trigger an external demand for op eration or press an external key intended for this purpose confirm the fault by closing BE2 for at least one second 6 11 6 Enabling the cold storage In all systems with cooling coil the binary output BA4 can be used to enable the charging of a cold storage If the outdoor temperature measured over an hour exceeds the value En abling the cold storage at outdoor temperature START BAA is switched on If the value falls below the limit for an hour is switched off Functions WE Configuration Cold storage OFF Fb12 OFF 18 C START enabling the cold storage O to 30 C 64 5477 EN Control functions 6 11 7 Controlling the direct expansion evaporator In all systems with cooling coil the binary output BA4 can be activated dependent on the control signal Y3 The c
71. ively you can also assign up to four analog inputs 0 to 10 V to some of the resistance sensors The analog inputs are suitable for active temperature humidity and air quality sensors Functions WE Configuration Assignment of inputs OFF Fb18 ON AE to AE4 AE Not asssigned AE1F1 Supply air temp F1 AE3F2 Exhaust air temp F2 AE2F3 Outdoor temperature 5 Room temperature F5 AE2F6 Supply air humidity F AEAF7 Exh air room humidity AEAL Air quality L MIN Lower measuring range value MAX Upper measuring range value 5 4 Outputs 5 4 1 Heating coil The heating coil is controlled from the control output Y1 The heating coil control is imple mented by a PID control algorithm with the adjustable parameters Kp TN and Ty The operat ing action of the control output Y1 can be reversed The default setting of the operating ac tion heating capacity O to 100 Oto 10 V An electric air heater can be controlled via the binary output BAS subject to Y1 gt sec tion 6 11 12 Control signal Controlled variable System deviation Fig 14 Output signal in Anl 0 44 EB 5477 EN Control methods and system components Functions WE Configuration Operating action Y1 OFF Fb21 Parameters WE Range of values Kp Heating coil 0 5 0 1 to 99 9 Ty Heating coil 60 sec 1 to 999 sec Ty Heating coil 0 999 sec 5 4 2 Mixed air chamber Mixed air chamber in sequential operation
72. ix Symbol Parameter description Range of values default setting 01234596 7 891011121314 15 16 17 18 19 20 21 22 23 24 Kp Cooling coil 0 1 to 99 9 WE 0 5 i TN Cooling coil 1 to 999 sec WE 60 sec Kp Tw Ty Tv Cooling coil to 999 sec WE PA be GERIT 012234 5 6 7 B 9 1011121314 15 16 17 18 19 20 21 22 23 24 Supply air humidity set point Zn 0 to 100 rH WE 50 rH PA 9 oe x le ell 012234 5 6 7 B 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 Exhaust air humidity set point 0 to 100 rH WE 50 rH PA eT bu T JEET 0123456 7 B 9 10111213 14 15 16 17 18 19 20 21 22 23 24 Room humidity set point D LI oi 100 rH WE 50 rH PA ERIT 012234 5 6 7 B 9 10111213 14 15 16 17 18 19 20 21 22 23 24 Supply air humidity minimum limit d H Is 0 rH to Supply air humidity maximum limit PA WE 40 rH 104 5477 EN Appendix
73. ix Parameter description Range of values default setting 012345967 9 1011121314 15 16 17 18 192021222324 d o S m bya o TI Y8 Y sq va Date when summer deactivation is enabled freely configurable WE 01 06 012345967 9 10111213 14 15 1617 18 192021222324 sToP 9 009 op m PA V m Date when summer deactivation is disabled freely configurable WE 30 09 wx 01234596 7 8 9 10111213 1415 16 17 18 19 20 21 2223 24 2 4 v2 Outdoor mean temperature 0 to 30 C WE 18 C 01234596 7 8 9 101112131415 16 17 18 19 2021 22 23 24 C PA e RIT 0 2 Air quality set point 0 to 100 WE 50 01234596 7 8 9 101112131415 16 17 18 19 20 21 22 23 24 L S PA lt 5 IE MON va yo yg Differential gap of speed 2 1 5 to 30 WE 5 EB 5477 EN 101 Appendix Symbol Parameter description Range of values default setting 01234 5 6 7 9101112131415 16 17 18 19 20
74. l exhaust air cascade control and room cascade control 5 2 1 Supply air humidity control The sensor input F is the control variable input by default Alternatively the analog input AE2 can be used The supply air humidity is controlled by a PID control algorithm with an adjustable Supply air humidity set point The humidity control loop can be used for just humidifying or for humidi fying and dehumidifying depending on the control method In humidifying and dehumidify ing mode the cooling coil is controlled in sequence to the humidifier The requirements of the humidity control loop for dehumidifying and the temperature control loop for cooling are converted internally into a common control signal Y3 for the cooling coil Each output can be adapted to the dynamics of the corresponding system components by means of the Kp TN and Ty control parameters that are adjustable A manual set point correction has an unrestricted effect on the control by the shifting the set point Functions WE Configuration Control method Supply air control page 17 Sensor F6 supply air humidity or Fb6 ON or assignment of inputs AE to AEA OFF Fb18 ON option AE2F 5477 41 Control methods and system components Parameters WE Range of values Supply air humidity set point 50 rH 100 rH Kp 0 5 0 1 to 99 9 Tn 60 sec 1 to 999 sec Ty 9 838 5 2 2 Exhaust air room humidity control The sensor input F7 is the c
75. lock parameter Range of values default 40 Condensation detection OFF Fb40 ON Select BE7 StEIG entry in FSR for rising signal edge make contact FALL entry in FSR for negative signal edge break contact Note Can only be changed with code number 41 Automatic reversal of the operating action OFF Fb41 ON Only with Fb2 ON and Fb3 ON or AE3F2 and AE2F3 42 Fan operation dependent on room temperature room humidity OFF 0109 Fb42 ON Only with Fb11 ON with room control or room cascade control and or with Fb7 AEAF7 Select Reaction MIN When value falls below limit MAX When value exceeds limit Function block parameters Difference in room temperature set point 1 to 10 C 5 C or Difference in room humidity set point 1 to 10 26 rH 5 rH 43 Circulating air mode after system start up OFF 2 4 8 Fb43 ON Activated not with supply air control 44 Modem operation OFF 0109 Fb44 ON Activated function block parameters 8 bit 16 bit addressing In Cyclic initialization 0 to 255 min 30 min PA Dialing interval when line is busy O to 255 5 min to Time after missing Modbus query O to 99 min 5 min PULS ton Dialing procedure PULS Control station phone number 0 to 9 P Pause End maximum 23 characters Note Can only be changed with the code number 45 Dialing when faults occur
76. midification Control of heating coil cooling coil and humidification only humidification Two control loops Temperature and humidity control Only humidification configurable section 5 2 Summer compensation section 6 7 Fan operation 2 speed or O to 10 V section 6 8 and 6 11 4 32 5477 EN Systems Antifreeze required heat exchanger Ext speed 2 0 paint Sea BE3 BE2 BET BEA BE7 BA2 BA BA2 BA3 Speed 1 Speed 2 yu ow d F3 FA Fl F F8 F9 WFZF5 F7 F2 AE2 AE1JAE2 AEA AE3JAEA AE3 Note The position of the cooling coil is not shown on the display of the controller as here Y3 YI 2 Specifications in parentheses can be selected as an alternative Fig 10 Anl 6 system code no 6 air conditioning humidifying and dehumidifying Control of cooling and heating coils and humidification humidifying and dehumidifying Two control loops Temperature and humidity control Humidification or humidifying and dehumidifying operation configurable section 5 2 Summer compensation section 6 7 Fan operation 2 speed or 0 to 10 V gt section 6 7 and 6 11 4 5477 33 Systems System code number 7
77. nction WE Configuration Controlling the chiller OFF Fb12 ON option PAr 600 sec START MIN min activation time 0 60 to 3600 sec 600 sec STOP MIN min deactivated time 0 60 to 3600 sec 50 STOP Deactivation of cooling at Y1 gt 0 to 100 EB 5477 65 Control functions 6 11 9 Condensation detection In all systems with cooling coil with a dehumidifying function a condensation monitor can be activated for chilled ceilings As soon as condensotion is detected in standard operation the set point of the control is raised by 3 C If the condensation monitor indicates normal state again the set point correction is reset Function WE Configuration Condensation detection OFF Fb40 ON option BE7 STEIG Reaction to make contact FALL Reaction to break contact Note After selecting Fb40 ON only one input appears on the display the binary input BE4 or BE7 is already being used somewhere else 6 11 10 Circulation pump control for the heating coil The circulation pump of the heating coil is controlled by the binary output BAT If the system goes into operation due to the time schedule of the ventilation with the system start up func tion the circulating pump is switched on before the time of use starts at the time set under Pump advance running time for start up Without the system start up the circulation pump is activated at the earliest when the time of use begins In systems with an ou
78. ng of the air volume If the function blocks Fb39 and Fb13 are activated i e variable air volume control and ex ternal demand for operation are configured a potentiometer at input F12 can be used to trigger an external demand for operation and the air volume can be set The air volume can be predetermined between the value Minimum air volume MIN AA and 100 The input F12 is evaluated as follows Resistance 1000 to 2000 Q System operation required Minimum air volume determined by the potentiometer potentiometer setting 2000 Q equals 100 Resistance e BE1 open System operation according to the times of use Minimum air volume determined by the controller setting Functions WE Configuration External demand of operation with and OFF 4 Request for externally required signal OFF Fb20 OFF Variable air volume control over AA OFF 39 ON 2595 MIN AA min air volume 100 96 0 0 Kp Factor of change 0 0 to 10 0 Factor of change for cascade contro only 7 8 External demand for operation The operation of the ventilation can be controlled with the binary inputs BE1 and BEA If the operating mode switch is set to automatic operation the binary inputs and BEA have the following effect and OFF Operation of the system corresponding to the times of use ON BEA OFF Operation of the system even outside of the times of use OFF BEA
79. not apply to system code numbers 8 and 9 The humidifier control is implemented by a PID control algorithm with the parameters Kp Hu midifier TN Humidifier and Ty Humidifier The operating action of the control output Y2 can be reversed The default setting is a humid ifier capacity of O to 100 which corresponds to a control signal of O to 10 V By activating the function block Fb22 the operating action is reversed a humidifier capacity 100 then corresponds to 10 to O V The operating action at the analog output AA cannot be reversed Function WE Configuration Operating action Y2 OFF Fb22 50 EB 5477 EN Control methods and system components Parameters WE Range of values Kp Humidifier 0 5 0 1 to 99 9 Ty Humidifier 60 sec 1 to 999 sec Ty Humidifier 999 sec Control Y2 Yl Y3 signal amp 5 Controlled variable Fig 20 Output signals e g in system code number 6 humidifier only 5 6 Fans with variable speed The analog output AA can be used to control the speed of the fans and the air volume based on the air quality If the air quality falls below the parameter Air quality set point the air vol ume is increased based on the Minimum air volume flow When an exhaust air cascade control or a room temperature cascade control is used the controller can be programmed so that the air volume is increased when the supply air tem perature limit is reached to eliminate the system deviation as
80. ntrol over AA OFF Fb39 ON 25 MIN AA minimum air volume O to 100 0 0 Kp Factor of change 0 0 to 10 0 Operating action L OFF Fb24 Factor of change with cascade control only Parameters WE Range of values Air quality set point 50 0 to 100 Kp Air quality control 0 5 0 1 to 99 9 Ty Air quality control 60 sec 1 to 999 sec 52 EB 5477 EN Control functions 6 Control functions 6 1 Supply air temperature limit The intention of the supply air temperature limit is to reduce the draft when supply air that is fairly cold is blown in The temperature range within which the supply air temperature may vary is determined by the parameters Supply air temperature minimum limit and Supply air temperature maximum limit If the supply air temperature is the control variable i e for sup ply air temperature control or exhaust air or room temperature cascade control the control ler only permits set point shifts within this range IF F1 or is just used as a limit input i e for exhaust air or room temperature control this deviation is included in the control when the supply air temperature exceeds or fall below the limit values to counter any further drifting of the supply air temperature Functions WE Configuration Sensor F1 supply air temperature or Fbl ON assignment of inputs AE1 to AE4 OFF Fb18 option AE1F1 Parameters WE Range of values Supply air temperature minimum limit 18 C 0 C up to supply air
81. o 10 V signal O to 10 V correspond to O to 120 C If the heating coil control signal exceeds the limit value Change when Y1 MAX the request for the externally required signal is increased gradually until the value Flow requirement MAX is reached When the value falls below the limit value Change when Y1 MIN the re quest for the externally required signal is in turn gradually reduced until the set value is be low MIN AA When the system is inactive the output for the request for the externally re quired signal is always at O V A new operating phase is started with the same request for the externally required signal that it ended with when operation starts with the start up func tion the temperature set under MAX AA is always requested P 9 A Control signal Y1 LM Externally required 5 signal 4 90 60 t Is Fig 25 Request for the externally required signal Function WE Configuration Request for externally required signal OFF Fb20 ON 90 MIN AA flow requirement O to 120 C 90 C flow requirement O to 120 C 10 MIN change when Y1 0 to 100 90 change when Y1 0 to 100 EB 5477 EN 75 System wide functions 7 12 Outdoor temperature output IF the analog output AA is not required for air volume control or the request for the externally required signal and Anl 8 or Anl 9 is not selected the outdoor temperature is issued as
82. ol temperature SEQ Operation in sequence with extract air temperature Fb7 OFF Select SEQ Operation in sequence AT Outdoor temperature compensated mixed air chamber operation EB5477EN 89 Fb Function WE 7 Sensor 7 exhaust air or room humidity 8 F8 Potentiometer OFF Temperature set point 9 F9 Potentiometer OFF Outdoor air rate F9 Potentiometer OFF Humidity set point 10 Night purge OFF 11 2 speed fans over OFF BA2 BA3 12 Cold storage OFF EB 5477 EN Anl Comment Function block parameter Range of values default Fb Function WE Anl Appendix Comment Function block parameter Range of values default 12 BAA dependent on Y3 or controlling the chiller OFF 4109 for 7 only SEQ Fb12 ON Select SEQ operation in sequence PAr operation in parallel Function block parameters with SEQ START Activation value STOP up to 100 30 STOP Deactivation value O up to START 10 Function block parameters with PA START MIN Minimum activation time 0 60 to 3600 sec 600 sec STOP MIN Minimim deactivation time 0 60 to 3600 sec 600 sec STOP Deactivate cooling when gt 0 to 100 50 External request for operation with and BEA OFF 0109 Fb13 ON and operating mode switch at ON OFF System ON with start up mode if needed BEA OFF
83. on of outdoor air The operating action of the control output Y2 can be reversed The default setting is an out door air rate of O to 100 which correspond to a control signal of O to 10 V By activating the function block Fb22 the operating action is reversed an outdoor air rate O to 100 corresponds to 10 to 0 V On feedforwarding the outdoor temperature the summer time op eration function is taken into account section 6 10 3 By additionally feedforwarding the exhaust temperature the automatic reversal of the operating action takes effect 46 EB 5477 EN Control methods and system components Without outdoor and exhaust air temperature feedforwarding Control signal i gt System deviation Control variable With outdoor and exhaust air temperature With outdoor temperature feedforwarding feedforwording 4 Control 4 signal Y2 12 tA gt tAb tA lt tAb NI L L x gt Outdoor temperature System Control variable Outdoor temperature System Control variable deviation deviation Fig 16 Various output signals e g in system code number 4 Note The proportion of outdoor air can be suppressed during the warm up phase with Fb43 ON Functions WE Configuration Sensor F7 mixed air or extract air temperature Fb7 ON option mixed air sensor Operating action Y2 OFF Fb22 Circulating air mode after system start up
84. ontrol output Y3 cooling coil can be enabled the Pump advance running time for start up must be run through a second time In the supply air control loop the Supply air temperature maximum limit is set at first as the set point Within five minutes this value is led linearly to the current supply oir set point 5477 61 Control functions Note An active system start up is indicated in the operating level by the X blinking symbol Dur ing this operating phase you cannot view the master or slave loop set points in the operat ing level appears on the display at the corresponding places Parameters WE Range of values Pump advance running time for start up 300 sec 0 to 900 sec Start up mode the outdoor temperature 5 C 0 to 10 is smaller Control signal limit for Y1 100 010 100 75 Return air temperature minimum limit 70 C Return air temperature maximum limit up to 100 C Supply air temperature minimum limit 26 C Supply air temperature maximum limit up to 50 C 6 11 2 Circulating air mode after system start up After the system start up has finished first the circulating air mode is run until the room or exhaust air temperature set point 0 5 C has been reached This function can be selected in systems with a mixed air chamber Anl 2 Anl 4 Anl 8 with room or exhaust air temper ature control and in systems that have room cascade control or exhaust air cascade control Function W
85. ontrol signal Y3 is available parallely with this function Function WE Configuration BA4 dependent on Y3 OFF Fb12 ON option SEQ 30 START activating value STOP up to 100 10 STOP deactivating value O up to START 6 11 8 Controlling the chiller In all systems with cooling coil not Anl 7 a chiller can be run to overlap i e parallely to the other system elements operating in sequence As soon as a low temperature is requested the chiller is activated at least for the period determined under Minimum activated time START MIN The other system elements can be requested parallely to the chiller An excess amount of cold air is at first compensated with HRU and heating coil If the heating coil con trol signal Y1 exceeds the value STOP deactivation of cooling at Y1 gt the chiller is switched off at least for the time period determined under STOP MIN minimum deactivated time When the outdoor temperature is fedforward the chiller basically is only enabled when the outdoor temperature is 3 C higher than the current set point with a cascade con trol 3 C higher than the current supply air set point A chiller that is running is deactivated when Y1 gt 0 observing the Minimum activation time START MIN if the outdoor tempera ture is smaller than the set point with outdoor temperatures higher than the set point de pending on the parameter Deactivate cooling STOP The control signal Y3 is not available Fu
86. ontrol variable input by default Alternatively the analog input AE4 can be used The exhaust air or room humidity control is implemented as a PID control algorithm with ad justable Exhaust air humidity set point or Room humidity set point The humidity control loop can be used just for humidifying or for humidifying and dehumidifying depending on the control method In humidifying and dehumidifying mode the cooling coil is controlled in se quence to the humidifier The requirements of the humidity control loop for dehumidifying and the temperature control loop for cooling are converted internally into a common control signal Y3 for the cooling coil Each output can be adapted to the dynamics of the corresponding system components by means of the Kp TN and control parameters that are adjustable A manual set point correction has an unrestricted effect on the control by the shifting the set point Functions WE Configuration Control method Exhaust air room control gt page 17 Sensor F7 exhaust air room control or Fb7 ON or assignmet of inputs AE to AEA OFF Fb18 ON option AE4F7 Parameters WE Range of values Exhaust air humidity set point or 50 rH 100 rH room humidity set point 50 0 to 100 Kp 0 5 0 1 to 99 9 Tn 60sec 1 to 999 sec Ty Wh ase 5 2 3 Exhaust air or room humidity cascade control The sensor input F7 is the control variable input for exhaust air or room humidity and the sensor input
87. oor temp is greater 26 50 to 40 C Set point at an outdoor temperature of 32 C 26 C Oto 40 C Supply air temperature set point 22 C ODOC 5477 59 Control functions 6 10 2 Summer deactivation In summer the heating coil is switched off when the daily mean outdoor temperature mea sured every hour between 6 00 and 22 00 hrs is above the Outdoor mean temperature within a defined time period If the summer deactivation is active the heating coil is switched off at 22 00 hrs for the next 24 hours i e control signal Y1 0 and pump output BAT OFF If the outdoor temperature falls below the set limit value the heating coil control is en abled from 22 00 hrs for the next 24 hours providing this is required from the times of use or the operating mode switch Parameters WE Range of values Date when summer deactivation is enabled 01 06 01 01 to 31 12 Date when summer deactivation is disabled 30 09 01 01 to 31 12 Outdoor mean temperature SN 01 60 1 The Outdoor mean temperature can be read operating level in the outdoor tempera ture current reading by holding the enter key pressed down The bar graph under the row of numbers 1 to 24 indicates the number of already measured outdoor temperatures used to calculate the mean temperature The number in front of the mean temperature indicates whether the Summer decativation is enabled 1 or disenabled 0 6 10 3 Summer time operation The summer time opera
88. operation section 6 10 3 Sequence operation of heating dampers or mixed air temperature control section 5 4 2 Automatic reversal of operating action for mixed air chamber gt section 5 4 2 Fan operation 2 speed or to 10 V gt section 6 8 and 6 11 4 EB 5477 EN 27 Systems System code number 3 Fig 5 Anl 3 system code no 3 ventilation f BE3 BE2 BA2 BA5BAT BA2 BA3 Speed 1 Speed 2 F3 F FA Fl AE2 AE1 Y2 eee Ex ON Ext speed 2 Hk eee Setpoint aa al BE BEA BE7 F8 LB 25 F2 AEA AES AE3 Specifications in parentheses can be selected as an alternative Control of heat recovery unit HRU and heating coil Frost protection for HRU gt section 7 2 2 Automatic reversal of operating action for HRU configurable section 5 4 2 Fan operation 2 speed or O to 10 V section 6 8 and 6 11 4 28 5477 EN Systems t BA2 BAI 6 AE2 ij Y2 Yl BE3 BE2 BA2 Speed 1 Ex ON Ext speed 2 pani Set point pete gi Le BA3 Speed 2 Fl AE1 BE4
89. or 9 C O 50 temperature is smaller 100 outdoor air when the outdoor temp is greater 18 C 10 to 50 C Minimum outdoor air rate 20 010100 75 5 4 3 Heat recovery unit HRU The heat recovery unit is controlled from the control output Y2 It is implemented by a PID control algorithm with the parameters Ke HRU TN HRU and Ty HRU 48 5477 EN Control methods and system components Control signal gt Control variable Fig 18 Output signals e g in system code number 6 humidifier only The operating action of the control output Y2 can be reversed The default setting is a heat recovery capacity of O to 100 which corresponds to a control signal from O to 10 V By activating the function block Fb22 the operating action is re versed HRU capacity O to 100 then corresponds to 10 to O V If the measured outdoor temperature and exhaust air temperature are available the auto matic reversal of the operating action for the heat recovery unit can be activated with Fb41 ON Functions WE Configuration Operating action Y2 OFF Fb22 Automatic reversal of the operating action OFF Fb4l Parameters WE Range of values Kp HRU 0 5 0 1 to 99 9 Tyn HRU 60 1 to 999 sec Ty HRU axe 5 4 4 Cooling coil The cooling coil is controlled from the control output Y3 It is implemented by a PID control algorithm with the parameters Kp Cooling coil TN Cooling coil and Tv Cooling coil In the syst
90. or O to 10 V section 6 8 and 6 11 4 30 5477 EN Systems System code number 5 Ext ON Ext speed 2 Set point i Aa a aod BE3 BE2 BEI BEA BE7 1 BA2 BA5 BAT 4 2 On off Speed 1 Speed 2 F3 FA FI FE FP F2 AE2 AE1 AEA AE3 _ Fig 8 Anl 5 system code no 5 ventilation Control of heat recovery unit HRU as well as heating and cooling coils Summer compensation section 6 7 Frost protection for HRU gt section 7 2 2 Automatic reversal of operating action for HRU configurable section 5 4 2 Fan operation 2 speed or to 10 V gt section 6 8 and 6 11 4 5477 31 Systems System code number 6 Ex ON Ext speed 2 coop eo Set point T Set point rH p im BE3 BE2 BEI BEA BE7 NT BA2 BAT BA4 BA2 BA3 On off Speed 1 Speed 2 WV Ww wy F3 F4 Fl F FB F9 F7 F5 F7 F2 AE2 AE2 AEA AE3 AE4 AE3 Specifications in parentheses Yl 2 can be selected as an alternative Fig 9 Anl 6 system code no 6 air conditioning only hu
91. output Er It is activated when the error status register is gt 0 A maximum of 24 V DC may be applied to this output the electric current should not exceed 10 mA when being switched 8 1 Sensor failure The controller reacts to a fault as described below Supply air control When the supply air sensor fails all control outputs run a O control signal and the binary outputs for pumps and fans maintain their operating states when the frost pro tection is active the fans are switched off Exhaust air or room control without supply air sensor When the exhaust air or room sensor fail all control outputs run a O control signal and the binary outputs for pumps and fans maintain their operating status when the frost pro tection is active the fans are switched off Exhaust air or room control cascade control with supply air sensor Control to supply air maximum limit When other sensors fail the system operation is fixed as if these sensors have not been configured 8 1 1 Status register FSR If one of the function blocks Fb25 to Fb36 is activated the messages of the corresponding bi nary inputs BEOT to BE12 are entered in the status register Function WE Configuration BEOT to 12 to status register OFF Fb25to Fb36 ON STEIG Message when the binary input ma kes contact FALL Message when the binary input breaks contact EB 5477 EN 77 Malfunctions Note When Fb14 ON Fan operation feedback to BE2
92. ow Kp Temperature master loop 0 1 to 99 9 sec WE 1 0 5477 97 Appendix Symbol Parameter description Range of values default setting 01234567 891011121314 1516 17 18 192021222324 r LL fa e sek V M f zz JEET AOE PA Temperature master loop 0 1 to 99 9 WE 1 0 012345878 9 101112131415 16 17 18 1920212223 24 eee PA S n Y2 w m Return air temperature minimum limit 0 C to Return air temperature maximum limit WE 20 C 01234587 8 9101112131415 16 17 18 19 2021 22 23 24 IBI PA S 2 ore YS Y2 vi 2r Ya Return air temperature maximum limit coordinate 1 2 re cognizable from the square located to the right of 1 2 Return air temperature minimum limit to 100 C WE 70 C 01234587 8 91011121314 15 16 17 18 192021 22 23 24 co Outdoor temperature coordinate 1 50 to 20 C WE 5 C PA a EE Es ETIT Me ve NV v2 v3 01 e 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 Outdoor temperature coordinate 2 TI 50 to 20 C WE 20 C PA Y2
93. plied by the Return air temperature limit factor for every amount x that the return air temperature falls below In the range Return air temperature maximum limit the set point is directly low ered by the amount x multiplied by the Return air temperature limit factor for every amount x that the return air temperature exceeds Return air temperature falls below limit x Return air temperature minimum limit Actual return air temperature Supply air temperature set point calculated Supply air temperature set point x Return air temperature limit factor Return air temperature exceeds limit x Actual return air temperature Return air temperature maximum limit Supply air temperature set point calculated Supply air temperature set point x Return air temperature limit factor The supply air temperature limit function has priority Functions WE Configuration Sensor FA Fb4 2 ON Return air temperature heating coil Parameters WE Range of values Return air temperature minimum limit 20 C 0 C up to return air temperature maximum limit Return air temperature maximum limit 70 C Return air temperature minimum limit up to 100 C Return air temperature limit factor 0 to 10 6 4 Variable return air temperature maximum limit If an outdoor temperature sensor exists it is possible to vary return air temperature limit The following parameters apply for the upper variable limit of the return air temperature Return
94. rface The system bus connection is located on the back of the controller casing RJ12 jack A controller can either be directly connected to a serial PC interface point to point connec tion or to dial up modem In the case the controller is connected to the telecommunications network a dial up modem is required The controller works autonomously and can trigger a call to the building control station in case of a fault When the modem function is active a call to the control station is triggered as soon as the status of the status register FSR changes After communication has been established with the control station and it has read the FSR the function in the controller to trigger a call is reset In the case when the control station does not respond to the station address connection is cancelled by the controller after the time Modem timeout to has elapsed If the connection to the control station is disrupted the alternative number is dialed after the controller has at tempted to redial the control station unsuccessfully by number of times set under An In special cases the Blocking modem dialing function can be selected to prevent a call being made when a fault occurs The building control station can also be informed when a previ ously reported fault no longer exists with the Dialing also when fault no longer exists func tion Functions WE Configuration Modem operation OFF Fb44 ON 8 bit 16 bit addressing 30 min Cydli
95. riod set in Pump advance running time for start up The fans are enabled exactly when the time of use starts If however the ventilation system is required to run by an external request for operation or by the operating mode selector switch the fans are first enabled after a time delay set in Pump advance running time for start up By enabling the heating coil circulation pump the control signal Y1 for the heating coil is en abled at the same time Without the temperature sensor F4 in the heating coil return flow the control output Y1 runs either 100 control signal or is set to the fixed value under Control signal limit for Y1 The Control signal limit for Y1 only has any effect when the start up function is active With the temperature sensor FA the value set under Return air temperature maximum limit or Return air temperature maximum limit coordinate 1 is the set point for the warm up of the heating coil during the start up phase Y1 varies corresponding to the system devia tion The system start up function is cancelled when the fixed heating coil return air tem perature is reached when the operation of the system has been demanded by the operat ing mode selector switch or over the binary input All other control outputs also the control output Y2 of an independent mixed air tempera ture control usually do not run a control signal during the system start up The control out put Y2 is enabled when the fans are enabled Before the c
96. s as well as the baud rate Fig 30 Which temperatures are shown depends on the system code number and the configuration You will find a list of the various displays in section How to proceed The controller shows the time V Press the arrow key Every time you press the key another dat point appears on the display K If required you can view other information concerning a data point 1 5 Setting the time and date Set the current date and time directly after start up and after a power failure if necessary You must set the time and date in the parameter level How to proceed 5 Switch to the configuration and parameter level p H PA appears on the display co E i5 Y2 012345267 8 9 10111213 14 15 16 17 18 19 20 21 22 23 24 the enter key ig LI The time appears on the display n The lt symbol starts to blink slowly E 10 5477 EN O 01234567 8 9 101112131415 1617 18 1920 21 22 23 24 Ges OS EL 01234567 8 9 101112131415 1617 18 1920 21 222324 HS 4 y 3 vi Re ie O 0123452678 910111213141516 17 18192021 222324 pa Opera
97. section 6 7 Summer time operation section 6 10 3 Automatic reversal of operating action for mixed air chamber gt section 5 4 2 Fan operation 2 speed section 6 8 and 6 11 4 5477 35 Systems 4 1 System code number 9 Antifreeze required heat exchanger Ex ON speed 2 BE3 BE2 BET BEA BE7 Wo BA2 n BA2 BA3 On off Speed 1 Speed 2 Kw Y F3 FA KIERES F8 mo EESTI AE2 AE1 AE2 AESJAEA AE3 Vd Y2 Y Y3 AA Specifications in parentheses can be selected as an alternative Fig 13 Anl 9 system code no 9 air conditioning only humidification Control of heat recovery unit HRU heating coil cooling coil and humidification Two control loops Temperature and humidity control Humidification or humidifying and dehumidifying operation section 5 2 Summer compensation section 6 7 Automatic reversal of operating action for HRU configurable section 5 4 2 Fan operation 2 speed gt section 6 8 and 6 11 4 36 5477 EN Control methods and system components 5 Control methods and system components 5 1 Ventilation and temperature control in air conditioning systems In temperature control various control methods are differentiated between Supply air tem perature control exhaust air temp
98. ss the enter key 1 7 appears on the display Select the duration day for the times of use 1 7 Monday to Sunday 1 5 Monday to Friday 6 7 Saturday and Sunday 1 Monday 2 Tuesday 7 Sunday Press enter key The lt symbol and PA start to blink quickly START and a time appear on the display Set the start time 30 minute steps Press the enter key STOP and a time appear on the display Set the stop time 30 minute steps Press the arrow key START and a time appear on the display The second time of use period can set in the same way as the first time of use period Repeat the steps in the gray box to enter times of use for other days not yet programmed 5477 13 Operation Y Select End K Exit the parameter level Q Return to the operating level Note The controller automatically returns to the operating level when keys are left unpressed for longer than two minutes Note Use just the menu for the individual days to check the programmed time schedules When time blocks are selected the times of use for the days selected are reset to default settings 1 6 1 Entering public holidays The controller uses the times of use programmed for Sundays on public holidays You can enter a maximum of 20 public holidays Parameter WE Range of values Public holidays 01 01 01 05 01 01 1 Jan to 31 12 31 Dec 25226 How to proceed Y Switch to the configur
99. t point Room temperature actual value Supply air temperature set point calculated Supply air temperature set point x Kp Temperature master loop Note If the calculated set point is not within the limit the minimum or maximum limit applies as the new set point Shifts in the set point which are caused by manual set point correction return air tempera ture limit summer compensation or by condensation detection have unrestricted effects on the room temperature set point Functions WE Configuration Control method Sensor F1 supply air temperature or assignment of inputs AE to AE4 OFF Sensor F5 room temperature or assignment of inputs AE to AE4 OFF 40 EB 5477 EN Room cascade control page 17 Fbl ON or Fb18 ON option AE1F1 Fb5 ON or Fb18 ON option AE3F5 Control methods and system components Parameters WE Range of values Room temperature set point RAKE Oia AOAC Temperature set point of the slave loop 22 Q1950 Kp Temperature master loop 1 0 0 1 to 99 9 Supply air temperature minimum limit 18 C 0 C up to supply air temp maximum limit Supply air temperature maximum limit 26 C Supply air temp minimum limit up to 50 C Kp 0 5 0 1 to 99 9 TN 60 sec 1 to 999 sec Ty Ses ceeto 07 axe 5 2 Humidity control in air conditioning systems Anl 6 8 and 9 In humidity control various control methods are differentiated between Supply air exhaust air room temperature contro
100. tdoor temperature sensor the circulation pump s operation depends on the parameter Start up when the outdoor temperature is lower If the outdoor temperature is above this limit value and the control signal Y1 is for approxi mately three minutes the circulation pump is switched off First when Y1 gt O it is activated again At the start of a time of non use system deactivation the circulation pump of the heating coil is switched off after three minutes lag time provided there is no demand for operation from the functions stand by monitoring or stand by control During the summer deactivation the circulation pump of the heating coil is basically switched off It is activated daily for approx imately one minute to prevent it from becoming jammed up Parameters WE Range of values Start up when the outdoor DEG 0 to 10 C temperature is lower Pump advance running time for 300 sec 0 60 to 900 sec start up 66 EB 5477 EN Control functions 6 11 11 Circulation pump control for the HRU In systems with connected heat recovery unit Anl 3 Anl 5 and Anl 9 the binary output BA5 controls the HRU pump This pump is only activated when the control signal is Y2 gt O If Y2 is O for longer than three minutes when the system is in operation the circulation pump is deactivated First when Y2 gt O it is activated again If the time of use ends the HRU pump is deactivated after three minutes The HRU pump is activated at le
101. tection 2 68 Frost protection HRU eA 68 Stand by monitoring 2 0 69 Stand by control 2 69 Forced operation ofthe pumps 69 External correction of the temperature setpoint 70 7 5 7 6 7 8 7 9 7 10 7 10 1 7 10 2 ZA 7 12 7 13 8 1 8 1 1 9 1 9 2 9 3 9 4 10 11 12 12 1 12 2 12 3 12 4 12 5 12 6 Contents External setting of the 70 External correction of the humidity set point 70 External setting of the air volume 71 External demand for operation 2 71 External demand for 2 72 External selection of the operating 73 External selection of the operating mode using four staged switch 73 External selection of the operating mode using Type 5257 6 Room Panel 73 Request for externally required signal 2 2 ee 75 Outdoor temperature output 2 76 ue a o M Re ee a ea Cae ee 76 5 77 77 Status register 77 Communication 79 RS 232 C serial interface 80 RS 485 interface gt o x x 93 eee ae ee 81 Description of the communication parameters to 82 Memory module 83 Installa
102. temperature maximum limit 0 to 100 C Return air temperature maximum limit Coordinate 1 0 to 100 C Coordinate 2 0 to 100 C Outdoor temperature Coordinate 1 50 to 20 C Coordinate 2 50 to 20 C Return air temperature limit factor 0 to 10 Sustained room temperature 0 to 20 C Start up when the outdoor temperature is smal 10 C ler Pump advance running time for start up 0 to 900 sec Control signal limit for Y1 100 Pump ON when the outdoor temperature is 50 to 10 smaller Summer compensation when the outdoor tem 50 to 40 C perature is greater Set point at an outdoor temperature of 32 C Supply air temperature 0 to 40 C Exhaust air temperature 0 to 40 C Room temperature 0 to 40 C Date when summer deactivation is enabled 01 01 to 31 12 114 EB 5477 EN Appendix Parameters Range of values Date when summer deactivation is disabled 01 01 to 31 12 Outdoor mean temperature 0 to 30 C Air quality set point 0 to 100 C Differential gap of speed 2 gt 1 5 to 30 K Air quality control 0 1 to 99 9 Tw Air quality control to 999 sec Mixed air temperature set point 10 to 30 C Kp Mixed air chamber 0 1 to 99 9 Ty Mixed air chamber 1 to 999 sec Ty Mixed air chamber to 999 sec Kp Heat recovery 0 1 to 99 9 Ty Heat recovery to 999 sec Ty Heat recovery 999 sec Kp Humidifier 0 1 to 99 9 Ty Humidifier to 999 s
103. ter key to acknowledge the setting If the function block is left open other parameters can be set Proceed The parameter appears Carry out change and confirm it Exit the function block Repeat the steps in the gray box to set other function blocks in the open configuration level Press both arrow keys simultaneously to exit parameter level gt Press the changeover key to return to the operating level Note The controller automatically returns to the operating level when keys are left unpressed for longer than two minutes EB 5477 EN 19 Start up 2 3 Changing parameters Depending on the system code number set and the active functions not all the parameters are accessible which are listed in the parameter lists in the appendix section 12 2 How to proceed 2 Change to the configuration and parameter level PA appears on the display K Press the enter key The time appears on the display V Select the parameter you want to set Pk Access the parameter V Change the parameter K Confirm the new parameter Repeat the steps in the gray box to set other parameters ly Press both arrow keys simultaneously to exit the parameter level gt Return to the operating level Note The controller automatically returns to the operating level when keys are left unpressed for longer than two minutes 20 5477 EN Start up
104. thods and system components Parameters WE Range of values Room temperature set point 22 C Oto 40 C Kp 0 5 0 1 to 99 9 Tn 60 sec 1 to 999 sec Ty SSS axe 5 1 5 Room temperature cascade control The sensor input F5 is the control variable input for the room temperature and the sensor input F1 is the control variable input for the supply air temperature by default Alterna tively the room temperature can also be guided over the analog input AE3 and the sup ply air temperature over the analog input AE1 to the controller The room temperature control loop is implemented as a P control loop with adjustable Room temperature set point and Kp Temperature master loop The supply air temperature is controlled by a PID control algorithm with adjustable Temperature set point of the slave loop Depending on the system code number the temperature control loop has between 1 and 3 sequence outputs that are adapted to the dynamics of the corresponding system components by means of the Kp TN and Ty control parameters The parameters Supply air temperature minimum limit and Supply air temperature maximum limit restrict the set point shift which arises when the room temperature control loop takes influence on the supply air temperature control loop each deviation in room temperature by the amount x causes a shift of the supply air temperature set point by the amount x multiplied by the parameter Kp Temperature master loop x Room temperature se
105. ting level Note Vacations that have been entered should be deleted by the end of the year so that they are not carried on into the following year Deleting a vacation period V Select the start of the vacation period to be deleted K Press the enter key V the arrow key until appears on the display is between 31 12 and 01 01 Press enter key The vacation period has been deleted l6 5477 EN Start up 2 Start up 2 1 Setting the system code number and control method This ventilation controller allows ten different systems to be controlled Each system is as signed a system code number You can find a list of the different systems in section 4 In ad dition the control method can be determined The following control methods are available Control method Display Supply air control o ma Exhaust air control So Exhaust air cascade control om Oo Room control Room cascade control The control methods and functions of the controller are described in sections 5 6 and 7 Every change in system code number or control method causes the assignment of sensors to be reprogrammed the sensor inputs required for the function blocks are activated and the sensor inputs not used are deactivated These settings can be changed manually You must set the system code number in the
106. tion The ventilation is deactivated The frost protection is active Manual operation Manual operation of valves and pumps 8 EB5477 EN Operation 1 3 Display During operation the display indicates the current time as well as information about the op eration of the controller The times of use are represented by black squares below the row of numbers at the top of the display Symbols indicate the operating status of the controller OT 3 56 7 5T N7219019520 2105228237244 I EERE REE Ee IIIT aia IL LII gt 7 Vom L 16 Na 32 C t e M B M Y2 3 t A vi M vil Yo YS 6 7 8 9 10 11 12 1 Time schedule 9 Heat recovery unit 2 Public holidays 10 Heating coil 3 Vacation 11 Cooling coil 4 Mixed air chamber 12 Humidifier 5 Malfunction 13 Control outputs 6 Rated operation 14 Supply air temperature humidity 7 Reduced operation 15 Room temperature humidity 8 Frost protection 16 Exhaust air temperature humidity Fig 1 Display while the controller is operating example See section 1 4 for more information about how to read the current status of the controller in the operating level 5477 EN 9 Operation 1 4 Data retrieval You can view information in the operating level concerning various temperatures control signals times of use public holidays states of the binary input
107. tion Press the enter key The lt symbol and PA blink quickly Use the arrow key to set the correct time Press the enter key to acknowledge the time A date appears on the display Use the arrow key to set the correct date Press the enter key to acknowledge the date The year appears on the display Use the arrow key to set the correct year Press the enter key to acknowledge the year The time appears on the display again The amp symbol blinks slowly Press both arrow keys simultaneously PA appears on the display again Press the changeover key to return to the operating level Note The controller returns to the operating level two minute after the last key has been pressed 5477 11 Operation 1 6 Programming the time schedule You can enter two time periods for every day of the week If you need just one continuous time of use period set the same time for the start of the sec ond time period and the end of the first time period You can set separate times of use for the system and if required for the fan speed 2 Times of use Display System START STOP and blink Fan speed 2 START STOP and blink Parameters WE Range of values Period day 1 7 1 7 1 2 3 4 5 6 7 with 1 7 every day Start first time of use Stop first time of use Start second time of use Stop second time of use 1 5 Monday to Friday 6 7 Saturday and Sunday 1 Monday 2 Tuesday
108. tion function runs in all systems that have a mixed air chamber and outdoor temperature feedforward Anl 2 Anl 4 Anl 8 When the outdoor temperatures ex ceed the limit value Summer time operation when the outdoor temperature is greater the system is operated with a minimum outdoor air rate to avoid operation with 100 outdoor air Summer operation can also be used in systems with cooling coil in which it is better to prevent operation with just outdoor air at high outdoor temperatures for reasons of energy efficiency Parameter WE Range of values Summer time operation when the outdoor RAE Wiig AO SC temperature is greater 60 5477 EN Control functions 6 11 Control functions 6 11 1 System start up Usually all ventilation systems go over to standard operation first after a start up phase when a request for operation exists from deactivated state or from manual operation The duration of the start up is determined by the parameter Pump advance running time for start up Two options exist to suppress the start up partially or totally 1 Pump advance running time for start up 2 When the outdoor temperature is fedforward the outdoor temperature must be smaller than the parameter Start up mode when the outdoor temperature is smaller If the ventilation system goes into operation according to the programmed times of use then the start up function already starts to run before the time of use commences by the time pe
109. tion i 2o adr Ryo ner rie eus 84 86 eu e ve RUE UM Ga es 89 Function block list CO 2222s 89 List of parameters uw ya We wen baw ew y GOS v 96 Isat a Ok ca ms Se 107 Technical data 2222s 109 Resistance values 22222 110 Customer data s s roe roaa 111 5477 5 Operation Operation 1 1 Operating controls The TROVIS 5477 Ventilation Controller can be operated using the operating controls on the front panel The controller is ready for operation using its default temperature and time schedule settings On start up after switching on the power supply the correct time and date must be set in the controller section 1 5 1 1 1 Operating keys The operating keys are located on the front of the controller and protected by a transparent cover gt O gt lt 6 5477 EN Changeover key press with pencil or similar pointed object Allows you to change between the operating level parameter level and configuration level Reset key press with pencil or similar pointed object Allows you to reset all freely accessible parameters to default values factory setting This key s function is only active on the parameter level Arrow keys Allow you
110. tive STOP and the symbol blink on the display The frost protection function is also active in manual operation mode Function WE Configuration System frost protection with BE3 OFF Fb15 ON 7 2 2 Frost protection HRU The function Frost protection HRU makes sure when the system is running that the heat re covery unit does not freeze on the outside If the HRU return air temperature falls below or alternatively the extract air temperature measured directly at the heat recovery unit falls be low the parameter Heat recovery minimum temperature the frost protection function is started the heat recovery unit is released from the sequential operation The programmed limit value is used as the set point for an independent temperature control of this unit to make sure that further cooling off does not occur The frost protection HRU remains active until the control signal Y2 for heat recovery has risen to a value of 95 95 directly after that the se quential operation is reactivated When the frost protection mode for HRU is active the sym bol blinks on the display 68 5477 EN System wide functions Function WE Configuration Sensor F6 return flow temperature HRU Fb ON Parameter WE Range of values Heat recovery minimum temperature SC 1 to 10 C 7 2 3 Stand by monitoring The outdoor temperature F3 AE2 is required for this function The circulation pump of the heating coil is activated outside of the times of use
111. to the memory module Press the enter key when SP 77 appears on the display to download data on to the controller from the memory module The bars run across the top section of the display to indicate that data transmission from the memory module to the controller is in progress When the bars stop running across the dis play carefully remove the RJ12 jack 5477 83 Installation 10 Installation The controller consists of the controller housing with the electronics and the rear panel of the controller with the terminals It is suitable for panel wall and top hat rail mounting Fig 29 Panel mounting 1 Remove both screws 1 2 Pull apart the controller housing and the rear panel 3 Make a cut out of 138 1 x 92 0 8 mm x h in the control panel 4 Insert the controller housing through the panel cut out 5 Insert a mounting clamp 2 each at the top and the bottom Screw the threaded rod towards the panel so that the housing is clamped against the control panel 6 Install the electrical connections at the rear of the housing as described in chapter 7 Fit the controller housing 8 Fasten both screws 1 Wall mounting 1 Remove both screws 1 2 Pull apart the controller housing and the rear panel 3 If necessary bore holes with the specified dimensions in the appropriate places Fasten the rear of the housing with four screws A Install the electrical connections at the back of the housing
112. ture compensated control 6 10 1 Outdoor temperature compensated supply air control The function is basically available in systems with cooling coil and additionally in system Anl 0 The function of summer compensation section 6 7 can also be used for an out door temperature compensated supply air control The Summer compensation when the out door temperature is greater parameter determines from which outdoor temperature onwards the Supply air temperature set point should be reduced The Set point at an outside tempera ture of 32 C parameter determines also the gradient of the characteristic curve Example A heating coil is to heat the supply air to 35 C when the outdoor temperature is 15 The foot of perpendicular is to be at 15 C outdoor temperature 20 C supply air temperature Supply air temperature set point a 35 C Summer compensation when the outdoor temperature is greater b 15 C Set point at an outdoor temperature of 32 C c Supply air temperature minimum limit d 20 C Foot of perpendicular outdoor temperature e 15 C The calculation of the temperature required for the parameter Set point at an outdoor tem perature of 32 C results in c a 32 C b a d 11 5 C Set point C A gt Outdoor temperature C Fig 22 Outdoor temperature compensated supply air control Parameters WE Range of values Summer compensation when the outd
113. ture set point correction 70 Extract air 62 F Fan operation Dependent on room temperature room tene bs 57 Fan speed 2 enabling Dependent on the air quality 63 Frost protection Heat 68 Heating 68 Stand by monitoring 69 e GS sue Mie die pce ek Rao ince 68 H s dace a aao IER 44 50 l Installation Panel 84 Wall 84 L Locking settings EB 5477 117 Index M Mixed air chamber Automatic reversal of the operating o iub ue n ee des 45 Circulating air mode after system start up 62 Independent mixed air temperature ol MER TER TP 46 Outdoor temperature controlled 48 Sequential operation 45 Modem dialing interval 82 Operating action Control 1 67 Control output 2 45 Outdoor air 45 Operating 10 Outdoor air damper 62 Outdoor temperature output 76 Outdoor temperature sensor 61 Outdoor temperature compensated supply air 59 Parallel operation Chiller etx otc xo e 65 Potentiometer Air volume 71 H
114. umidity actual value Humidity set point of the slave loop calculated Humidity set point of the master loop x Kp Temperature of the master loop Note If the calculated set point is not within the limit the minimum or maximum limit applies as the new set point Functions WE Configuration Control method Exhaust air room cascade control gt page 17 Sensor F6 supply air humidity or Fb ON oder assignment of inputs AE1 to AEA OFF Fb18 option AE2F6 Sensor F7 exhaust air or room humidiy or Fb7 ON oder assignment of inputs AE to AE4 OFF Fb18 ON option AEAF7 Parameters WE Range of values Exhaust air humidity set point or 50 100 rH room humidity set point 50 rH Oto 100 r Humidity set point of the slave loop 50 rH 100 rH Kp Humidity master loop 1 0 0 1 to 99 9 Supply air humidity minimum limit 40 rF up to supply air humidity maximum limit Supply air humidity maximum limit 60 rH Supply air humidity min limit up to 100 rH Kp 0 5 0 1 to 99 9 Tn 60 sec 1 to 999 sec Ty o cesis axe EB 5477 EN 43 Control methods and system components 5 3 Inputs The assignment of the inputs depends on the system code number and the control method gt section 4 Sensors that are required for the selected control methods are always acti vated You must determined separately all the other sensors as well as the functions of the bi nary inputs by configuring them section 2 Alternat
115. umidity set point correction 70 Outdoor air rate setting 70 Temperature set point correction 70 Public 14 Pump output display 7 R Request for externally required signal 75 118 5477 EN Resistance values for temperature sensors 10 Return air flow temperature limitation 54 Return air flow temperature sensor 61 Return air temperature sensor 69 Room temperature cascade control AO Room temperature control 39 RS 232 C serial interface 80 S Sensor 77 78 Sensor 110 Serial interface 79 83 Pin assignment 79 83 Stand by monitoring 69 Station number 82 Status register 77 Supply air humidity 41 Supply air temperature control 37 Supply air temperature limit 53 Surge protection measures 86 Sustained room temperature 55 Switchover between summer time and winter time System code number 24 36 System start up mode Dependent on outdoor temperature 61 Return air temperature controlled 61 T Technical 107 Telephone number Alternative recipient 82 Control station 82 Time sang
116. ure KS 0 Number of measured outdoor temperatures X Ge am 01223454678 910112131415 16 17 18192021 222324 RN Meri gre Supply air temperature Press arrow key Other sensor values appear K Press enter key The set points are displayed S Eton lt gt ax ues xt ES vi Y2 Y3 Control signal outputs binary outputs By moving the mode selector switch to the manual mode position all control signal outputs and binary outputs appear numerically The switching conditions with two speed fans are only recogniz able in position The same applies to variable air volume operation EB 5477 107 Appendix Symbol Designation of the data point 0S 7 Times of use Monday in this example START STOP Y Press arrow key C KS Y2 5 EE m The times of use for other week days are displayed 0123454678 910111213141516 1718 19 2021 22 23 24 Public holidays 01 01 in this example A e ik H Y Press arrow key d S All the other public holidays that have been entered t 7 O appear on the display AX n Me vi Y2 EL Vacation storting on 15 06 in this example i IC OC JU
117. ustable Exhaust air temperature set point Depending on the system code number the temperature control loop has between 1 and 3 sequence outputs that are adapted to the dynamics of the correspond ing system components by means of the Kp TN and Ty control parameters 5477 37 Control methods and system components Functions such as return air temperature limit summer compensation manual set point cor rection or condensation detection can shift the set point Functions WE Configuration Control method Exhaust air control page 17 Sensor F2 exhaust air temperature or Fb2 ON or assignment of inputs AE to AEA OFF Fb18 ON option AE3F2 Parameters Range of values Exhaust air temperature set point 22 C Oto 40 C Kp 0 5 0 1 to 99 9 Tn 60 sec 1 to 999 sec Ty SS gt SSH lo ase 5 1 3 Exhaust air temperature cascade control The sensor input F2 is the control variable input for the exhaust air temperature and the sen sor input F1 is the control variable input for the supply air temperature by default Alterna tively the exhaust air temperature can also be guided over the analog input AE3 and the supply air temperature over the analog input AET to the controller The exhaust air temperature control loop is implemented as a P control loop with adjustable Exhaust air temperature set point and Kp Temperature of the master loop The supply air tem perature is controlled by a PID control algorithm with adjustabl

Mounting and Operating Instructions EB 5477 EN

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