TAC 200 OTP Compensator and optimiser
Contents
1. eee 1 1 P I5 Yeat iesse et rh eth 1994 P 16 Max supply water temperature 82 55 radiator floor C P 17 Min supply water temperature 10 C P18 XL ete td reti tei ets 5 10 C B9 0 sientan aseetighde detaches ieee 20 C P 20 CDS usse teet epe ee traer reel 60 35 radiator floor C P 21 y 2 ssi cto rtt enn 120 45 radiator floor C P 22 Start time curve adjustment 2 O no 1 curve T T 2 curveandholiday P 23 Start time low deiecit 70 min P 24 Start time high sss 10 min P 25 Max holiday compensation adjust 0 P 26 Max start time esee 4 h P 27 Optimisation tolerance 0 5 C 5 2 TAC AB Feb 2000 TAC 200 OTP Handbook Technical data P 29 Room sensor authority 10 P 30 Room tme ucc 60 min P 31 Room dead band sss 0 3 C P 32 Min Max room influence 10 C P 34 Supply P band sess 100 C P 35 Supply I time eese 4 min P 36 Running time actuator 170 S P 37 Cxmin on off eese 15 P 38 Morning boost time sesse 60 min P 39 Morning boost eere 20 C P 40 Pump cut off 1 on O off 1 P 41 Pump exercise 1 on2. 4 1 2 e 4 3 4 2 L Retarming to factory Set tiBS i nen erar DIE RH RE Orr epe eade ed iere e Dore dE ce i Pee MEAS 4 3 4 2 2 Not returning to factory settings sees ses ss 4 3 42 3 Power falute 5 aedes eO HD I HER udi ie EU e OE EHE LEE HR ee EE o Ed 4 3 4 3 Control functions Me 4 4 dA Reset CUIVE Pee M M 4 5 4 4 1 Supply water temperature controller eeeeseeeeeeeeeeeeee tenente nnne nennt tete nennen enne asira a iasta 4 7 4 5 Room temperature control e sessoesessoesossessoeseseesoosseseossossessossessessossesoossossessossesseseossesesssossesssse 4 8 ASN System with a room SeDSOL iioii deine eere e EL HE Re E rete Te i E REEL CE HE Seer eae one eU dgio 4 8 4 5 2 System without LOOM SENSON oi ieri creer er ete etr edt s kai ede oE Dr beret EN PRESE XU de Eee a 4 8 4 6 Night setback and Morning boost eee eee eee ee eee eee eerte eee e etna estan seta etate setae seen assa 4 9 AON Night setback qe EE 4 9 46 2 MOTI DOOSL i eto dude OE e v Ui a Ge epe brio E E A 4 9 4 7 Extended day night operation eee eee eee eee eese eee ee eee een eene tn etas ta seta setas eese esee se ena 4 10 4 8 Start time optimisation s cccsccscnssvsncssiccvecesssncessocscenvecvectssocsssendssnatsdeewessoecdeccessncedsoesveensssvanssoseees 4 11
3. Press either D or c until the controller shows current time e g 09 45 Keeping the button depressed increases the stepping speed Press P so that P 14 Day Month is displayed Press D or c until the controller shows current date e g 29 11 Press P so that P 15 Year is displayed Press 2 Or c until the controller shows current year e g 1994 Press P so that P 00 Display time is displayed The time value is now stored If PN Or W is not pressed as the last step any changes will not be stored applies to all entries In this case the display will automatically revert to P 00 inabouttwo minutes TAC AB Feb 2000 3 5 TAC 200 OTP Handbook Special functions P 16 4 Special functions P 16 4 1 List of available functions The functions P 16 P 66 are normally only used during commissioning orif special adjustments are required Normally it is sufficientto use P 00 P 15 and for this reason the display scrolls through P 15 P 00 or vice versa To access functions P 16 and higher 1 Simultaneously press P and VP to getto P 16 2 Press PN Or W to step up or down within the new interval To return to P 00 P 15 either press PN and W simultaneously or wait for approximately two minutes for the controller to return to P 00 automatically These are the functions P 16 P 66 P Meaning P 16 Max supply water temperature P 17 Min supply water temperature P 18 x l P 19 y 0
4. and 2 for cables with rubber bushings on the lower side of the case Cables for power supply and for temperature sensors should be installed well separated spaced 20 cm or more Signal and power supply cables that enter the casing from the rear must be routed well separated Also 24 V power supply cables must be installed in compliance with Brief instruction Display Buttons local high voltage wiring regulations in force Length of cables To terminals B1 B3 and X1 X3 Max 200 m area 0 5 mm To other terminals Max 100 m area 1 5 mm 2 3 Operator s panel The operators panel The operator s panel consists of a semi graphic display a brief instruction with the functions and the following buttons 2 4 TAC AB Feb 2000 TAC 200 OTP Handbook General P P Use these buttons to move up and down the list 2 cl Use these buttons to increase or decrease the value shown on display Keep either of them depressed to increase the stepping 9 10 11 12 13 14 15 16 17 TU WE TH FR SA SU e0 12 34 The display speed 0 0 Use this button to change between day and night in the seg ments of 30 minutes To save alterations press PN or P again Failure to carry out this step will result in the changes not being saved and the controller reverting to the old value in approximately two minutes P nn in the display indicates the current funct
5. O off 1 P 42 Outdoor temperature pump cut off 20 C P 43 Supply water temperature pump cut off 20 C P 44 Room temperature frost protection 12 C P 45 Supply water temp frost protection 10 C P 46 Outdoor temperature frost protection 2 C P 47 Time format 12 24 h 24 h P 48 Daylight saving time DST O off 1 auto 2 man o s 1 P 49 DST Day Month esses 31 3 P 50 DST time of day sess 2 00 P 51 Standard time Day Month 31 10 P 52 Standard time time of day 3 00 D 53 DST offset etre 1 00 P 54 Restart gives factory settings P 60 Program version eere P 61 Manual control K1 increase stage 1 P 62 Manual control K2 decrease stage 2 P 63 Manual control K3 pump P 64 Manual control K4 boiler P 65 Testall segments sees P 66 Dead band supply water temperature 0 5 C 5 3 Part numbers Article Part number TAC 200 OTP with normal back cover 200 1005 000 TAC AB Feb 2000 5 3 TAC 200 OTP Handbook Commissioning protocol You can help make this manual even better Please help us make our documentation as good as possible Use this form to let us know of any errors
6. Reset curve P 20 y 1 dimension points P 21 y Q P 22 Starttime curve adjustment P 23 Start time low P 24 Start time high P 25 Max holiday compensation adjustment P 26 Max start time h P 27 Optimisation tolerance C P 29 Roomsensor authority P 30 Roomltime minutes P 31 Room dead band C P 32 Min Max roominfluence C P 34 Supply P band C P 35 Supply I time minutes P 36 Running time actuator s P 37 Cxminat on off P 38 Morning boosttime minutes P 39 Morning boost C TAC AB Feb 200 4 1 TAC 200 OTP Handbook Special functions P 16 P 40 P 41 P 42 P 43 P 44 P 45 P 46 P 47 P 48 P 49 P 50 P 51 P 52 P 53 P 54 P 60 P 61 P 62 P 63 P 64 P 65 P 66 Pump cut off 1 on O off Pump exercise 1 on O off Outdoor temperature pump cut off Supply water temperature pump cut off Room temperature frost protection Supply water temperature frost protection Outdoor temperature frost protection Time format 12 24 h Daylight saving time DST O off 1 auto 2 man DST Day Month DSTtimeofday Standard time Day Month Standard time time of day DST offset Restart gives factory settings Program version Manual control K1 increase stage 1 Manual control K2 decrease stage 2 Manual control K3 pump Manual control K4 boiler Testall segments Dead band supply water temperature These functions are listed on the brief instruction On the fo
7. On the following pages there are explanations of the functions mentioned above TAC AB Feb 2000 3 1 TAC 200 OTP Handbook Daily operations P 00 P 15 3 2 Description P 00 Time Operating mode P 00 is the normal display mode and shows the current time The temperature of the building can be lowered for a longer period of time e g if itis empty during a holiday or if the day temperature is required for a couple of hours extra one night without changing the TA 200 OTP program The controller can also provide day or nighttemperature all the time or be turned off without losing the settings Itispossibletotoggle between the following operating modes on the operator s panel 5 Forcedoff Forced night operation D Automatic operation control by thetime program i Forced day operation During forced off the controller is turned off without losing the settings However the frost protection will be active During forced night operation the controller provides night temperature all the time Inthe same way the controller provides day temperature all the time during forced day operation During automatic operation the controller provides day and night temperature according to the programmed settings Tochange the operating mode 1 Press PN Or P until P 00 Operating mode is displayed if it is not already shown 2 Press D or c until the desired symbol is activated If forced day or night operatio
8. T action with adjustable parameters The supply water temperature setpoint P 04 is calculated as the sum of values fromthe outdoor compensated reset curve with a possible parallel displace ment the morning boost section 4 6 and the room temperature control offset 4 5 1 System with a room sensor Whenaroom sensoris used it will automatically displace the reset curve for achievement of optimum room temperature control If there is aroom sensor the controller controls the room temperature with the following parameters by parallel displacement of the reset curve P 29 Room sensor authority The alteration ofthe supply water temperature from the room control loop at 1 C room temperature deviation is set here Example Ifthe room temperature is 2 C too low and the room sensor authority is set to 3 the supply water temperature is increased by 6 C 3x2 C P 30 Room I time minutes The time required of the system to eliminate a deviation in room temperature is set here If this time is set too short the room temperature may start oscillating P 31 Room dead band C The deviation from the room temperature that the controller accepts before it changes the supply water temperature is set here P 32 Min Max room influence C The influence from the room sensor on the supply water temperature may be limited The limits are set as an offset Example IfP 32 15 C the room sensor can shift the supply water
9. TAC 200 OTP Handbook General Mounting of the controller on a DIN rail To mount the controller in a panel the space needs to be 138x92 mm Place the controller in the panel and turn the small plastic hooks in the controller s screw holes to secure it Outdoor sensor EGU Mount the sensor on an external wall facing north or north west The sensor should be placed about 3 m above ground level and the cable inlet should face downwards Supply sensor EGWS EGA The immersion sensor EGWS is mounted in the riser pipe some 0 5 1 m downstream of the mixing valve If an EGA strap on sensor is used it should be mounted on an uninsulated part of the pipe Clean the pipe thoroughly so that the copper contact plate of the sensor makes good contact with the pipe Room sensor EGRL To achieve the best performance the following should be taken into consideration when mounting the room sensor The sensor should be installed in a room which is typical of the building The sensor should be placed on an inner wall of light building material The wall must not be heated by for example uninsulated heating pipes behind it The room should be of sufficient size for the temperature not to be adversely affected by people or machinery The radiators of the room should not have thermostat valves If they have they should be turned to the largest value possible The room sensor should be placed so that the ai
10. TAC AB Feb 2000 TAC 200 OTP Handbook Contents 49 Pump COMO 5 isss itcret teo eate te io Cos boo eoe ee Te tov eS tene eoe Linee RESET EVE EUER TUER eee sees eue PE eS Te Ee eU 4 9 T Pump eut OFF zie eed te tao e deed sa t eee haies E eite a s es tlio ed sces cash 4 9 2 Pump exercise ALO Frost protection P A E Time functions orent etos netta eL Eee aee ee abe reo esaet Ce eee ras eaaa eo dessai reo edi eiiiai 41l Daylight savne UME zoo om E E E tea o ote deret E n tints aes 4 15 SEMANTIC resentas ee ro reae iE EE ed ENEE EEEE TE E EEE EEEO EE ETE EEs 4 16 ADV Pr gratn Version sssini eene e eu dien tee AAE E AER GR EEA 4 16 ATI Relay OUPS sgean RT 4 16 5 Technical data Bu cdnnvltirm c M 5 1 5 2 Factory SOURS e 5 2 5 3 Part MUMDELS P M 5 3 TAC 200 OTP Commissioning protocol This manual contains in all 21 leaves TAC AB Feb 2000 TAC 200 OTP Handbook Introduction 1 Introduction 1 1 TAC 200 OTP compensator and optimiser 1 2 This manual TAC 200 OTP is a compensator and an optimiser It controls the heating via a boiler output and a mixing valve or via two stages of gas boilers TAC 200 OTP can be operated with or without a room sensor The controller has an easy to use operator s panel and needs virtually no maintenance This manual has the fol
11. during forced off operation If the outdoor temperature falls below a preset value the first stage will start the circulating pump and open the mixing valve The second stage will start the boiler if the supply water temperature falls below a preset value When aroom sensor is fitted the third stage will start the plant to maintain a preset minimum room temperature P 44 Room temperature frost protection If the room temperature falls below this value the mixing valve opens and the circulating pump and the boiler are started There is a temperature hysteresis of 1 C which cannot be changed This function is only valid if there is a room sensor installed P 45 Supply water temperature frost protection If the supply water temperature falls below this value the mixing valve opens and the circulating pump and the boiler are started There is a temperature hysteresis of 15 C which cannot be changed P 46 Outdoor temperature frost protection If the outdoor temperature falls below this value the circulating pump is started and the mixing valve opens There is a temperature hysteresis of 1 5 C which cannot be changed TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 11 Time functions P 47 Time format 12 24 h The current time P 00 may be displayed either in a 24 hour or a 12 hour AM PM format 4 11 1 Daylightsavingtime P 48 Daylight saving time DST 0 off 1 auto 2 man The daylightsaving tim
12. 0 3 3 TAC 200 OTP Handbook Daily operations P 00 P 15 Settingthetime program day by day 1 2 Press P or P until P 08 Time program 1 day by day is displayed Press 2 or c until you reach the segment you want to change The segment flashes Press n a The colour of the segment changes and the flashing skips to the next segment If you press 3 and you are at the last segment the display changes to the following day If you are in the first segment and press C the display changes to the previous day Mark all the segments of all day and night periods as desired Use the same procedure to mark the segments for each day of the week Store the changes by pressing PN Or P at least once Move flashing segment with pua Flashing segment Change indication with segment indicates day and a white night switch to the next day Day the entry is valid for Pressing 2 when this segment is D W A black flashing will make the flashing Setting the time program day by day Ifthe same pattern for day night setpoint is required for several days either repeat the above or for speed use P 10 Time program 1 7 days The days ofthe week and the 0 24 segments can then be changed in the same procedure Setting the time program 1 7 days 1 2 3 Press PN or P until P 09 Time program 1 7 days is displayed Press 2 or c until the first da
13. Daylight saving time DST 1 O off 1 auto 2 manual P 49 DST Day Month 31 3 if P 48 2 i e manual P 50 DST time of day 2 00 if P 48 2 P 51 Standard time Day Month 31 10 if P 48 2 P 52 Standard time time of day 3 00 if P 48 2 P 53 DST offset 1 00 if P 48 2 Date Commissioned by Designation Situated at Order no Remarks Drawing no 2 TAC AB Feb 2000
14. FL 3564 User s manual TAC 200 OTP The user s manual part number OFL 3563 is a description for installation and start up packed together with the unit The contents are a condensed version of chapter 2 in this manual and a mounting instruction 1 2 TAC AB Feb 2000 TAC 200 OTP Handbook General 2 General 2 1 Mounting TAC 200 OTP controller TAC 200 OTP is encased in a plastic enclosure with a transparent cover The controller can be mounted in three ways either directly on the wall on a DIN rail or in a panel There are cable inlet holes on three sides The controller is attached to the base and should be removed as shown below Mount the base plate in an easily accessible position where the display is clearly legible Connect the wires according to the wiring diagram Screw the controller back onto the base plate There are holes in the base plate for mounting the controller directly onto the wall if preferred Re ORE 2t a ine Separation of the controller from the base plate To mount the controller on a DIN rail place the controller on the upper edge of the rail and press it inwards to snap it into place see next page To remove it again place a screw driver in the red piece of plastic on the lower part of the controller pull downwards and then pull the controller upwards from the rail TAC AB Feb 2000 2 1
15. TAC 200 OTP Compensator and optimiser Handbook 0 004 1400 0 SE 2000 02 08 tac e TAC 200 OTP Handbook Contents TAC 200 OTP Handbook This document contains proprietary information of TAC AB andis made available solely to those who operate and maintain Tour amp Andersson equipment Disclosure reproduction or use of either the documents or the information contained herein for any other purpose is strictly prohibited TAC AB reserves the right to make changes or additions to material as necessary 1994 TAC AB Contents Introduction 1 1 TAC 200 OTP compensator and optimiser csssccsssccssssssssscsssscssssccsscssssssssssssssessssssscones 1 1 PaWISIPDLNE 1 1 1 3 MoreinformlatlOn 0 eene noon riso rho vo inae eno nah p bata to euo P ev eC e cao io Ree nO aao bR pe UE d esseeccessndassnsesssseveseecesder 1 2 2 General 21 mIIDUPI 2 1 2 2 COMMECHONS EET 2 3 2 3 Operator s panel 2 4 P MILI 2 6 3 Daily operations P 00 P 15 3 1 List of available functions e 3 1 3 2 result c 3 2 4 Special functions P 16 4 1 List of available functions Pe
16. ating niri eed eeiat recie iade max 250 V AC Load ratimng tear ertet enge 2 A min 50 mA at24 V Standards EMISSIOM ajessnysseiseessporegebsardsrtiaufeseeeesvearadesteess ENE EIEEE EN 50081 1 nnne EN 50082 1 bora ai aiaa 0 7 kg Dimensions WxHxD mm esee 144x96x96 Panel cutout DIN 43 700 eee 138x92 mm When mounted in a panel 22 mm will protrude while max 72 mm will lie behind the panel TAC AB Feb 2000 5 1 TAC 200 OTP Handbook Technical data 96 qD 91 L5 1 54 8 26 118 2 I Dimensions TAC 200 OTP mm 5 2 Factory settings Listed below are the factory settings used at P 54 Restart P Meaning Factory settings P 00 Time Operating mode 00 00 Auto P 01 Room temperature eese P 02 Outdoor temperature P 03 Supply water temperature P 04 Supply water temperature setpoint P 05 Room temperature setpoint 21 C P 06 Night setback sess 20 C P 07 Parallel shift reset curve 0 C P 08 Time program day by day 6 00 22 00 P 09 Time program 1 7 days 6 00 22 00 P13 Set me iecit tefie ree 00 00 P 14 Day Month
17. e can be set three different ways These are 0 indicates that standard time will be used the year round 1 indicates that the controller will automatically switch between DST and standard time One hour will be added at 2 00 a m on the last Sunday of March The controller will return to standard time again at 3 00 a m on the last Sunday of October every year 2 indicates that the date and times for turning to and from daylight saving time are determined by the settings entered in P 49 P 53 P 49 DST Day Month P 50 DST time of day P 51 Standard time Day Month P 52 Standard time time of day P 53 DST offset Forexample to add 1 30 hours at 02 00 on the 28th of March and return to standard time at 03 30 on the 30th of September enter P 49 28 3 P 50 02 00 P 51 30 9 P 52 03 30 P 53 01 30 TAC AB Feb 200 4 15 TAC 200 OTP Handbook Special functions P 16 4 12 Test functions There are a number of test functions to check the display the relay outputs etc 4 12 1 X Program version P 60 Program version To see what program version is loaded use P 60 The current version ofthe programis shown on the display 4 12 2 Relay outputs P 61 Manual control K1 increase stage 1 P 62 Manual control K2 decrease stage 2 P 63 Manual control K3 pump P 64 Manual control K4 boiler The four relay outputs can be controlled directly from the panel using the functions P 61 P 64 If the function shows 1 itis on and i
18. emperature setpointis increased by a preset value If a room sensor is used the start time is calculated from the outdoor temperature and the preset limits for start time so called start time optimisation The curve is automatically adjusted after each optimisation Start time limits A min s C room temp deviation 70 Example t outdoor C 104 20 10 0 10 20 30 Start time optimisation curve P 22 Start time curve adjustment This function determines wether itis possible to adjust the start time curve or not P 22 can be set in three different ways These are 0 noadjustment possible 1 adjustment of start time curve possible and 2 adjustment of start time curve and holiday compensation possible The start time optimisation varies with the outdoor temperature and the deviation in room temperature The start up time will be determined by these two temperatures and the set start time limits The start time limits give the number of minutes per degree of room temperature deviation that the plant shall startup before occupancy time The time per degree increases with a decrease in outdoor temperature The number of minutes is set for two different outdoor temperatures low 10 C and high 10 C Between these temperatures there is a gradual changein minutes seethe figure above P 23 Start time low The number of minutes per C room temperature deviation at low outdoor temperat
19. f it shows 0 it is off The status of the outputs can be changed The button turns the output 2 on c off P 65 Test all segments To check the function of the segments you can turn on and off all the segments ofthe display Thebutton turnsthesegment D on c off 4 16 TAC AB Feb 2000 TAC 200 OTP Handbook Technical data 5 Technical data 5 1 Technical data Part number 2 2 dn ierit enitn leis eate ban 0e 200 1005 000 Power supply voltage 220 230 V ACx 1096 50 60 Hz Power consumption eeeseeeseeeeeeeen eene nennen eren nennen 2VA Ambient temperature Operation eniinn iiin DEC e action 0 to 50 C xir D 20 to 50 C Ambient humidity s s s max 90 RH non condensing Calendar clock accuracy max dev 12 min year at 25 C Running reserve clock essere 12 hours Materials Housing and cover sese ABS plastic Igiene IP 40 COlOUES entere es n ec bees oneris black transparent Control niitan To n e mm PI Application selection eesesse DIP switch with 8 switches Digital inputs Number ot Inputs oce iine beret naii 2 Analog inputs Number of inputs eene esr rrenari ikiii 3 Sensor type eter etas NTC thermistor 1 8 kohms at 25 C Relay outputs Number of outp ts 4 caeleste einen ese R e Ete ede rose epe 4 Igiene SIA E A making NO Voltage r
20. fully closed or vice versa is set here P 35 Supply time minutes The time required ofthe system to eliminate a deviation in supply water temperature is set here If this time is set too short the supply water temperature may start oscillating P 36 Running time actuator s The time the actuator needs to go from fully open to fully closed or vice versa is set here P 37 Cxmin at on off Whenon offcontrolis used the delay time in degree minutes until the next stage is switched on or off is given by this function Example If P 37 15 and the control error is 1 C it will take 15 minutes before the next stage is changed 1 Cx15 15 If the error is 3 C it will take only 5 minutes 3 Cx5 15 P 66 Dead band supply water temperature The deviation from the supply water temperature setpoint which the controller accepts before it increases or decreases the supply water temperature is set here The limits are the supply water temperature setpoint the set value Example If the setpoint is 70 C and P 66 2 C the limits are 72 C and 68 C TAC AB Feb 200 4 7 TAC 200 OTP Handbook Special functions P 16 4 5 Room temperature control The room temperature is controlled via the supply water temperature i e the room temperature controller calculates an offset from the outdoor compensated reset curve and thus adjusts the supply water setpoint The controller has proportional P and integral
21. i temperature SPoune Supply water g temperature c Night setback Without room sensor Min max Heating Time Morning boost limits unit program SP offset MV supply Start time optimisation gt Pump Pump on off Reset curve P 05 Room temperature With room sensor Block diagram for the controllers of TAC 200 OTP 4 4 TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 4 Reset curve TAC 200 OTP determines the setpoint of the supply water temperature from the measured outdoor temperature The relationship between the outdoor temperature and the supply temperature is given by means of a reset curve with three adjustable curve points see the figure below Depending on whether radiator or floor heating system has been selected two different basic reset curves apply By setting DIP switch 2 indicating a radiator or floor heating system you get the curve that is best suited for the application Also the high limit of the setpoint for the supply temperature will be different in the two cases max 80 tsuppy Y C 120 100 EBEN 60 40 toutdoor x C gt 20 10 Reset curve default for a radiator heating system tsupply i y C 60 toutdoor x C Reset curve default for a floor heati
22. ion used see below P 00 for example means time of day and operating mode If no key has been touched for about two minutes the display will always revert to P 00 time operating mode Depending on the configuration of the system section 2 4 i e what kind of units are connected some of the functions may be omitted on the display The TA 200 OTP display has a number of letters and symbols which are used to indicate status or assist in the input On the operator s panel there are a number of special characters which denote specific functions and also operating mode Circulating pump running K4 Boiler running Forced off Forced night operation er Automatic control rt Forced day operation II On off control stage 1 on II On off control stage 2 on VW Mixing valve decrease A Mixing valve increase 0 24 Selected time interval in half hours P xx Selected function xx i e display or change value TAC AB Feb 2000 2 5 TAC 200 OTP Handbook General 12 34 Current time of the day at P 00 or some other value accord ing to selected function P xx AM PM 12 hour clock display C Current temperature scale Current weekday according to MO Monday TU Tuesday WE Wednesday TH Thursday FR Friday SA Saturday SU Sunday 2 4 Commissioning After the controller has been mounted and the electrical wiring is com pleted the following checks should be carried out and the settings entered before operatio
23. k keeps running and when the power returns the controller continues to control the system as if nothing had happened Should the power failure last longer than twelve hours the time date and year will require re setting TAC AB Feb 200 4 3 TAC 200 OTP Handbook Special functions P 16 4 3 Control functions TA 200 OTP has two separate control functions one controller for the room temperature and one controller for the supply water temperature The controller for the room temperature is used only when there is aroom sensor Itis recommended to use a room sensor as the room temperature controller is very efficient in using the heat stored in the building A room sensor can be used both in mixing valve and on off control The influence of the outdoor temperature on the supply water temperature is determined by the reset curve The reset curve is modified with an offset directly or via the room temperature controller by the night setback or morning boost Ifthe room temperature controller is active the offset will also be affected by the requested setpoint the current room temperature and the min max limits if specified The resulting value may in turn be reduced by min max limits resulting in the SP value supply The pump can be made to turn off at high outdoor temperatures or if SP supply has alow value Each of these functions is described in more detail in the following Outdoor
24. llowing pages thereareexplanations ofthe functions mentioned above The factory settings are listed in section 5 2 4 2 TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 2 Restart 4 2 1 Returningto factory settings P 54 Restart P 54 is described first because it may be used to reset all settings and to restart the controller This is an advantage if you are in doubt about the entered settings ofthe controller All the manually entered settings will be lost after this restart command as they are replaced by the factory settings The clock will also be setto zero The factory settings are listed in section 5 2 Torestart the controller and regain the factory settings l Press p and P to reach P 16 2 Press P or P until P 54 is shown on the display 3 Press The display will show P 00 with the time flashing 00 00 indicating that time and date has to be set section 3 2 The controller will control with forced day operation until the time is set Then it will control according to the time program 4 2 2 Not returning to factory settings Ifthe controller has stopped working it may need to be restarted To do this switch DIP switch 8 behind the brief instruction on the front of the controller to on and then back to off All the settings remain in the controller 4 2 3 Power failure The controller maintains the settings for at least twelve hours during a power failure The cloc
25. lowing content Chapter 2 This chapter shows how TAC 200 OTP is mounted connected and commis sioned There is also a description of the operator s panel with its symbols To show the use of the operating buttons there is a detailed description of how to set the date and time When the time has been set TAC 200 OTP immediately starts controlling using the factory settings Chapter 3 This chapter describes the daily operations of TAC 200 OTP You can read temperature values enter setpoints and change the time program for day and night time operation Chapter 4 When a plant is commissioned and fine tuned it may be necessary to adjust some of the parameters The controller function and available parameters are described in chapter 4 Chapter 5 This is asummary of the technical data of TAC 200 OTP There is also a list of all the factory settings used at a restart At the end of the manual there is a commissioning protocol where entered values should be noted TAC AB Feb 2000 1 1 TAC 200 OTP Handbook Introduction 1 3 More information TAC 200 OTP is also described in the following documents all available in English Data sheet TAC 200 OTP C 10 31 The data sheet contains a comprehensive specification of the controller and should be read together with the handbook part number 0 003 1148 A brief instruction A small leaflet normally placed in a slot in the operator s panel part number O
26. n s 10 P 25 Max holiday comp adjust 0 P 26 Max start time h 4 P 27 Optim tolerance C 0 5 Zone control Factory setting New value Remarks P 29 Room sensor authority 10 if room sensor P 30 Room time minutes 60 if room sensor P 31 Room dead band C 0 3 if room sensor P 32 Min Max room infl C 10 if room sensor P T O TAC AB Feb 2000 TAC 200 OTP Handbook Commissioning protocol Supply temp control Factory setting New value Remarks P 34 Supply P band C 100 if mixing valve P 35 Supply time minutes 4 if mixing valve P 36 Running time actuator s 170 if mixing valve P 37 Cxmin on off 15 if on off control P 66 Dead band supply water temperature C 0 5 Morning boost Factory setting New value Remarks P 38 Morning boost time min s 60 P 39 Morning boost C 20 Pump control Factory setting New value Remarks P 40 Pump cut off 1 1 on O off P 41 Pump exercise 1 1 on O off P 42 Outdoor temperature pump cut off C 20 P 43 Supply water temperature pump cut off C 20 Frost protection Factory setting New value Remarks P 44 Room temperature frost protection C 12 P 45 Supply water temperature frost protection C 10 P 46 Outdoor temperature frost protection C 2 Time control Factory setting New value Remarks P 47 Time format 12 24 h 24 12 or 24 P 48
27. n has been activated from outside the controller Extended day night operation see section 4 7 the corresponding symbol flashes Externally forced operation X1 X2 has a higher priority than any locally forcedoperation The three stages of frost protection are active during night operation and during forced off mode If the outdoor temperature falls below a preset value the first stage will start the circulating pump The second stage will start the boilerifthe supply water temperature falls below a preset value When aroom sensor is fitted the third stage will start the plant to maintain a preset minimum roomtemperature P 01 Room temperature P 02 Outdoor temperature P 03 Supply water temperature Temperature readings are shown in C The display is continuously updated but after about 2 minutes if no button has been pressed the display will revert to P 00to show the time 3 2 TAC AB Feb 2000 TAC 200 OTP Handbook Daily operations P 00 P 15 P 04 Supply water temperature setpoint The setpoint for the supply water is calculated by the controller The current value in C is shown here The value cannot be changed from the display Temperature setpoint Setting temperature setpoint 1 Press p or P to display P 05 P 06 or P 07 Function displays P 05 room temperature setpoint C with room sensor P 06 night setback C without room sensor P 07 parallel shift reset curve C without room
28. n of the installation 1 Check that sensors and actuators are correctly wired 2 Set the DIP switches on the circuit board located under the brief instruction as required Switch Position off 0 Position on 1 1 on off control mixing valve 2 radiator system floor heating 3 no room sensor installed room sensor 4 7 no function 8 hardware reset when switched 0 1 0 Switches 4 8 should be in the off position DIP switches 3 Switch on power 4 Set current time and date see 3 2 5 Put the brief instruction back in its place TAC 200 OTP will now control using the factory settings To set values other than those set at the factory see chapters 3 and 4 2 6 TAC AB Feb 2000 TAC 200 OTP Handbook Daily operations P 00 P 15 3 Daily operations P 00 P 15 3 1 List of available functions The following functions are reached with PN and P and the corresponding values are displayed P P 00 P 01 P 02 P 03 P 04 P 05 P 06 P 07 P 08 P 09 P 13 P 14 P 15 Meaning Time Operating mode Roomtemperature Outdoortemperature Supply water temperature Supply water temperature setpoint Roomtemperature setpoint Night setback C Parallel shift reset curve C Time program day by day Time program 1 7 days Set time Day Month Year These functions are listed on the brief instruction The operating procedures are described in section 2 3 and the factory settings in 5 2
29. ng system The reset curve is based on three dimension points defined at the outdoor temperatures 10 C 20 C and one adjustable temperature between 9 C and 19 C Thecorresponding supply temperature of each dimension pointis individually adjustable from the display TAC AB Feb 200 4 5 TAC 200 OTP Handbook Special functions P 16 The room sensor permits parallel displacement ofthe reset curve Ifthe system is not equipped with a room sensor and there is a constant deviation from the desired room temperature the reset curve may be adjusted upwards or downwards by the function P 07 see section 4 6 1 t C supply ay loutdoor x C Reset curve adjustment P 18 x 1 P 19 y 0 P 20 y 1 P 21 y 2 The reset curve is adjusted with P 18 21 Note that only one x coordinate x 1 may be changed the other two are fixed The y coordinates are all adjustable P 16 Max supply water temperature The maximum limit for the supply water temperature is set here P 17 Min supply water temperature The minimum limit for the supply water temperature is set here 4 6 TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 4 1 Supply watertemperature controller Thesupply watertemperature controller uses these parameters P 34 Supply P band C The deviation in supply water temperature needed to make the actuator go from fully open to
30. r can flow freely around it 2 2 TAC AB Feb 2000 TAC 200 OTP Handbook General radiator The room sensor should be placed within 10 m from the nearest but not right above it Actuator M44 M5 M15 M42 Mounting instructions are supplied with the actuator mounting kit 230 V L e 2 230 V N 6 e o 230 V N 6 e 7 Stage 1 230 V L 7 Supply temp sensor Forced day op e Forced night op e n Stage 2 2 2 Connections Connect the cables to the controller according to the wiring diagram see Wiring below Wiring diagram 1 230 V L 2 3 PE 4 KCl 5 Kl 6 K2 7 KC2 8 K3 9 K4 10 M Mains phase live 230 V N Mains neutral Protective earth Voltage supply relays K1 and K2 Relay K1 increase stage 1 Relay K2 decrease stage 2 Voltage supply relays K3 and K4 Relay K3 pump Relay K4 boiler Measurement neutral TAC AB Feb 2000 2 3 TAC 200 OTP Handbook General 11 Bl Supply sensor EGWS EGA 12 B2 Outdoor sensor EGU 13 B3 Room sensor EGRL 14 M Measurement neutral 15 XI Input forced day operation 16 X2 Input forced night operation 17 X3 Not in use 18 M Measurement neutral TA 200 OTP has six cable inlet holes 2 in the base plate for conduit fitting Pr 18 6 Pg 11 2 for cables with rubber bushings on the upper side of the case
31. sensor 2 Press D or c until the display shows desired value Keeping the button depressed increases the stepping speed 3 Store changes by pressing PN Or W atleastonce P 05 Room temperature setpoint C This is used when aroom sensor is fitted The room sensor will displace the reset curve to achieve optimum control of the room temperature P 06 Night setback C Ifno room sensor is used the reset curve is parallel displaced during night operation A negative value will lead to a decrease of the temperature Ifa room sensor is used the boiler and the circulating pump are turned off during night operation and only turned on to protect the system from freezing P 07 Parallel shift reset curve C The temperature curve can be adjusted upwards or downwards by the amount of degrees given This is used only when there is no room sensor P 08 Time program day by day P 09 Time program 1 7 days The digital clock has a time program whichis used for switching between day and night temperature All times can be set individually for every day of the week with a resolution of 30 minutes The segments each is 30 minutes long on the 0 24 scale show when day and night temperature are used starting with Monday MO displayed A black segment denotes day temperature setpoint and a white one night By picking suitable on off times operation will always occur within 15 minutes of any desired time value TAC AB Feb 200
32. supply water temperature setpoint is set to 10 C The pump stop is always time delayed 5 minutes 4 9 1 Pump cut off The pumpis stopped and the control valve is closed when the outdoor temperature exceeds a preset value or the calculated setpoint for the supply water temperature falls below a preset value To avoid unnecessary starting and stopping of the circulating pump there is a hysteresis of 1 5 C which cannot be changed The conditions for pump cut off are set by P 42 Outdoor temperature pump cut off Tosave energy the circulating pump is automatically stopped when the outdoortemperature exceeds this value P 43 Supply water temperature pump cut off The pumpis stopped if the calculated setpoint for the supply water temperature falls below this value P 40 Pump cut off 12on O off The cut off function is only in operation if P 40 is set to 1 4 9 2 Pumpexercise To prevent the pump from seizing itis exercised for one minute at noon every Monday Thisis done if P 41 Pump exercise 1 on 0 off is set to 1 The pump is run for one minute during stops longer than a week However the pump must have been inactive for at least one week before it is exercised TAC AB Feb 200 4 13 TAC 200 OTP Handbook Special functions P 16 4 10 Frost protection To make sure that the system does not freeze TAC 200 OTP has three stages of frost protection It is active during night operation and
33. temperature 15 C 4 5 2 System without room sensor If there is no room sensor there is no adjustment ofthe reset curve However the supply water temperature setpoints can be parallel displaced by setting the parallel shift reset curve P 07 to a value not equal to zero 4 8 TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 6 Night setback and Morning boost If desired TAC 200 OTP can lower the supply water temperature during the night so called night setback If no room sensor is used the reset curve is parallel displaced during night operation If a room sensor is used there is no night setback Instead the boiler and the circulating pump are turned off during night operation and only turned on to protect the system from freezing 4 6 1 Night setback P 06 Night setback C This function and P 07 is used if there is no room sensor The reset curve will be displaced by the amount of degrees given during night operation A negative value will lead to a decrease of the temperature P 07 Parallel shift reset curve C If no room sensor is used the reset curve can be parallel displaced The temperature curve is adjusted upwards or downwards by the amount of degrees given A positive value makes the temperature rise 4 6 2 Morning boost TAC 200 OTP is equipped with morning boost to ensure that the heating system can restore the room temperature after a night setback During morn ing boost
34. the supply water temperature setpoint is increased by a preset value This value is adjustable If no room sensor is used the morning boost starts when the controller turns from night to day operation If a room sensor is used the start time will be optimised see section 4 8 P 38 Morning boost time minutes If no room sensor is used the number of minutes the boost should be active Is set here P 39 Morning boost C During morning boost a temperature is added to the calculated supply water temperature setpoint This temperature is set here TAC AB Feb 200 4 9 TAC 200 OTP Handbook Special functions P 16 4 7 Extended day night operation There are two ways to obtain extended day or night operation i e keeping the temperature at day ornight level afterthe normal switching time between the two Either a push button or a separate timer is wired to terminal X1 or X2 or theoperating modeis changed from the controller see also the description of P 00 in section 3 2 The forced operation is indicated on the display by the flashing appearance of a symbol Day operationis extended if terminal X1 is connected to terminal M In the same way night operation is extended ifterminal X2 is connected to M i Extended forced day operation C Extended forced night operation 4 10 TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 8 Start time optimisation During morning boost the supply water t
35. unclear descriptions or suggested improvements Send the form to TAC AB Support Center Jagershillgatan 18 S 213 75 MALMO Sweden I have found the following errors and or unclear descriptions in the TAC 200 OTP Handbook part number 0 004 1400 GB Name Company TAC AB Feb 2000 TAC 200 OTP Handbook Commissioning protocol tac TAC 200 OTP Commissioning protocol Enter your new values here SP setpoint Configuration Switch Function pos off Function pos on 1 on off control mixing valve 2 radiator system floor heating 3 no room sensor installed room sensor Setpoints Factory setting New value Remarks P 05 Room temp SP C 21 if room sensor P 06 Night setback C 20 if no room sensor P 07 Parallel shift reset 0 curve C Time program P 08 P09 MO WE TH FR SA SU Day operation from to from to Control curve Factory setting New value Remarks P 16 Max supply temp C 82 55 radiator floor heating P 17 Min supply temp C 10 P 18 x 1 5 10 radiator floor heating 9 19 C P 19 y 0 20 P 20 y 1 60 35 radiator floor heating P 24 y 2 120 45 radiator floor heating Start time optimisation Factory setting New value Remarks P 22 Start time curve adjust 2 O no 1 curve 2 curve holiday P 23 Start time low min s 70 P 24 Start time high mi
36. ure is set here P 24 Start time high Thenumber of minutes per C room temperature deviation at high outdoor temperature is set here Example The deviation in room temperature is 2 C and the outdoor temperature is 0 C According to the figure above the number of minutes per each C room temperature deviation is 40 The start time optimisation thus starts 80 minutes 40x2 C before normal day operation TAC AB Feb 200 4 11 TAC 200 OTP Handbook Special functions P 16 P 25 Max holiday compensation adjustment After holidays and on Mondays when night operation has been active for a longer period oftime the controller can start heating earlier than if the usual morning boostis used A percentage of time is added to the usual morning boost This percentage can be set from 0 to 100 P 26 Max start time h This function limits the numberof hours which the start time optimisation may take P 27 Optimisation tolerance C Ifthe room temperature after the start time optimisation is within the limit set in this function no correction is made TAC AB Feb 2000 TAC 200 OTP Handbook Special functions P 16 4 9 Pump control Ifaroom sensoris used the pump control is only active during day operation If no room sensor is used the pump control is always active If on off control is used the pump does not stop until both steps are inactive Whenthe pump has been stopped the calculated
37. y to be removed flashes Press D 8 The marked day disappears Remove all the days for which thechange should not apply in the same way Make sure that the days to which the changes apply are visible on the display Theflashing weekday indication will automatically skip to the segments of 30 minutes when passing either Sunday or Monday in reverse direction 3 4 TAC AB Feb 2000 TAC 200 OTP Handbook Daily operations P 00 P 15 6 When day setpoint is required mark the segments in the same way as above 7 Press PV or P to save the changes 8 To set other times for other days return to P 10 and repeat steps 2 7 for these days Note Take care as this operation changes several days at the same time Move flashing segment with A black segment indicates day and a white night Flashing day Change indication with 2 Visible days indicate which days the segments of switch to the segments of 30 minutes 30 minutes are valid for Pressing 2 when this segment is flashing will make the flashing Setting the time program for 1 7 days P 13 Settime P 14 Day Month P 15 Year Note TA 200 OTP automatically switches to and from daylight saving time eveninleap years The dates for change over can be set manually if desired see section 4 11 1 Setting time and date l 2 LB 0 n FW Press p or P until P 13 Set time is displayed
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