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TAC 2112, Manual 

TAC 2112 Heating Controller

 

2:2(2), 0-004-7459-3 (GB) 

1999-08-01, TAC AB

 

The TAC 2112 is designed to control heat in apartment buildings, 
offices, schools and other large buildings. 

     

             

 

Installation with district heating 

The controller operates both with and without reference sensors.  
However, some optimisation functions require a reference sensor to 
be installed. 

        

                  

 

Installation with heating boiler 

Содержание 2112

Страница 1: ...TAC 2112 Manual 0 004 7459 3 GB 1999 08 01 T1 P1...

Страница 2: ......

Страница 3: ...3 Weekly program 3 4 3 2 4 Outputs from the controller 3 5 3 2 5 Alarm 3 5 3 3 How are the buttons used 3 6 4 Day to day usage 4 1 4 1 Introduction 4 1 4 2 Reading temperatures 4 1 4 3 Setting tempera...

Страница 4: ...Room controller 7 9 7 3 7 Return temperature limitation 7 10 7 3 8 Remote heating control SPC 7 11 7 3 9 Pump control 7 12 7 3 10 Variable night setback 7 12 7 3 11 Morning heating 7 13 7 3 12 Reduced...

Страница 5: ...is chapter shows you how to assemble connect and commission the controller Chapter 6 Troubleshooting This chapter contains actions that you yourself can implement in order to locate and rectify any fa...

Страница 6: ...n and commissioning Before installing and commissioning the controller you should read Chapter 5 Installation The enclosed document entitled Installation instructions may also be used A commissioning...

Страница 7: ...ing to an outdoor temperature compensated reset curve with or without a reference sensor The controller contains a real time clock and can be set for weekly and yearly time schedules along with powerf...

Страница 8: ...designed to control heat in apartment buildings offices schools and other large buildings Installation with district heating The controller operates both with and without reference sensors However som...

Страница 9: ...window The display window provides you with information from the heating installation in the form of digits and symbols 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 23 22 21 20 19 24 K1 K2 K3 K4 MO...

Страница 10: ...oom temperature will not be displayed if there is no reference sensor The parameter numbers and parameter values in the display window constitute a window to the list of parameters P 18 Reset curve x1...

Страница 11: ...C F AM SU P 00 12 00 Operating mode The symbols for the operating mode of the controller The symbols have the following meanings Heating off Fixed night setback Timed operation Fixed daytime operatio...

Страница 12: ...K3 K4 MO TU WE TH FR SA C F AM SU P 00 12 00 24 hour time bar Weekdays The symbols for weekly programs Each segment on the 24 hour bar equals 30 minutes A filled in segment signifies daytime operation...

Страница 13: ...0 19 24 K1 K2 K3 K4 MO TU WE TH FR SA C F AM P 00 12 00 Pump Morning heating Buzzer alarm Weekly program 2 Heating valve opens Heating valve closes SU The symbols for outputs from the controller 3 2 5...

Страница 14: ...indow Select parameter weekly program Increase decrease parameter value Daytime night operation The buttons on the operator s panel The and buttons are used to select a parameter The and buttons are u...

Страница 15: ...temperature 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 23 22 21 20 19 24 K1 P 01 14 7 C 1 Select parameter number P No by pressing or as shown in the list below Increase or decrease the number by...

Страница 16: ...of supply temperature P 06 Room temperature setpoint day P 09 Room temperature setpoint night P 10 4 4 Adjusting the reset curve Procedure for adjusting the reset curve 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

Страница 17: ...result in daytime operation When a segment has been changed the next segment will start to flash 5 Scroll on to TU for Tuesday by pressing 6 Change the half hour segments for Tuesday by pressing 7 Rep...

Страница 18: ...kly program for external units This weekly program can be used to control an external unit such as lighting The controller is set for night operation on all days of the week when it is delivered See c...

Страница 19: ...or it no longer exists Temperature P No Circulation pump P 82 Supply temperature P 83 4 7 Setting the operating mode The controller usually operates in a timed manner that is to say a weekly program a...

Страница 20: ...increase decrease 3 Exit by pressing Procedure for setting the date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 23 22 21 20 19 24 K1 P 16 01 01 1 Select parameter number P 16 by pressing or The pa...

Страница 21: ...not be exceeded see Technical data chapter 8 The controller is enclosed in a plastic box comprising four parts Transparent cover Electronic part Backplate with terminal block Metal Brace The backplate...

Страница 22: ...On a norm rail EN 500 22 TS 35 mm In a panel with or without a backplate Directly on a wall Procedure for mounting controller on a norm rail 1 Place the backplate of the controller with the metal brac...

Страница 23: ...t see above Remove the terminal blocks from the backplate 3 Place the controller in the panel and lock it in position by tightening the two locking screws Seal the holes using the two gaskets It is no...

Страница 24: ...as shown in the scale drawing below 30 30 65 37 13 3 5 2 Remove the backplate from the electronic part see above 3 Mount the backplate and the metal brace 4 Connect the wires 5 Push the electronic par...

Страница 25: ...also important to ensure that the sensor is not affected by irrelevant factors The following should therefore be considered when fitting Place the sensor in a north facing apartment which has more th...

Страница 26: ...plied by 230 V mains If equipment using 230 V mains is connected to a relay output terminal of the controller low voltage equipment connected to other relay terminals of the controller must then have...

Страница 27: ...rom each transformer must be connected to one another The controller has 25 cable entries in the back Ensure that signal cables and mains cables are pulled through separate cable entries in the back a...

Страница 28: ...200 m and shall have a minimum cross sectional area of 0 5 mm2 Terminal blocks The location of the terminal blocks in the back of the controller can be seen in the figure below L R 16 Y1 15 Y2 14 13 K...

Страница 29: ...off on 1 Outdoor sensor connected Outdoor sensor from another TAC 2000 2 No reference sensor Reference sensor connected 3 4 5 6 7 8 Normal operation Resetting controller Testing inputs and outputs To...

Страница 30: ...nput U2 and check that P 80 Current SPC effect changes 7 Set the operating mode of the controller to manual control There is a description of how to set the operating mode in chapter 4 8 Check that al...

Страница 31: ...m temperature too low the heat supply district heating or boiler is at the correct temperature the shunt valve is not stuck or seizes the actuator is moving as it should the circulation pump is runnin...

Страница 32: ...or a low supply temperature see chapter 7 The heating is not affected by the remote control signal SPC the parameter SPC effect at 10 V P 81 is set correctly see chapter 7 No night setback occurs the...

Страница 33: ...The controller can also be set to other operating modes by changing the parameter P 00 Timed operation When the controller is set to the timed operation operating mode the following takes place The sy...

Страница 34: ...eration Fixed night setback When the controller is in the fixed night setback operating mode the following takes place The symbol on the left is displayed in the display window The supply temperature...

Страница 35: ...the following functions The operator s panel by changing parameter P 00 The input for forced night setback X2 The input for extended daytime operation X1 The holiday periods in the yearly program Pri...

Страница 36: ...eturn temperature supply temperature SPC Limit Supply temperature Minimum control Pump Pump Parallel shift heating Reset curve Time program Actuator Control function with no reference sensor installed...

Страница 37: ...e controller calculates the value of the damped outdoor temperature every 10 minutes 0 2 4 6 8 10 12 14 16 Temperature C Actual temperature Damped temperature 00 00 12 00 00 00 12 00 00 00 Damping lev...

Страница 38: ...10 0 5 5 10 15 20 15 25 20 25 P 19 P 21 P 20 P 18 70 30 P 23 P 22 P 05 Parallel shift C y0 y1 y2 x0 x1 x2 Damped Reset curve for outdoor compensation of the supply temperature The curve has a maximum...

Страница 39: ...C The I time corresponds to the time taken in minutes for the controller to adjust the reset curve at a constant control deviation of around 1 C in the room Example If the deviation is 2 C the I time...

Страница 40: ...reference sensor only P 28 I time for curve adj controller 1 min 720 min 1 min 180 min With reference sensor only P 29 Max curve adjustment 0 C 40 C 1 C 5 C With reference sensor only 7 3 5 Supply con...

Страница 41: ...and supply controller 10 C 200 C 0 5 C 100 C P 25 Run time for actuator 0 s 300 s 5 s 300 s P 26 Max increase rate supply SP 1 C min 50 C m 0 1 C m 2 C min Ramp limitation 7 3 6 Room controller A refe...

Страница 42: ...ensor only 7 3 7 Return temperature limitation The return water temperature can be limited by the controller The magnitude of this limitation is determined by a separate reset curve with the max retur...

Страница 43: ...connecting an external 2 10 V DC control voltage to the SPC input In systems with a reference sensor the setpoint for the room temperature is affected and in systems without a reference sensor the set...

Страница 44: ...xercise see below Restarting the pump The circulation pump is restarted with a fixed hysteresis of 1 5 C The pump can be restarted only after a set time the Min pump off time However the pump can be s...

Страница 45: ...setback does not take place at all but then increases gradually as the outdoor temperature rises If points x0 and x1 are set to the same level full night setback is attained irrespective of the outdoo...

Страница 46: ...ect the function for variable night setback With reference sensor The controller automatically calculates an appropriate starting time using a reference sensor so that the correct temperature is achie...

Страница 47: ...ning heating Monday effect This percentage supplement can be read off and adjusted P 40 During the heating time the controller controls towards the setpoint for daytime operation and also increases th...

Страница 48: ...Damped in the room Curve for reduced daytime operation The time by which daytime operation is reduced is calculated as t y value from curve room temperature dead zone room setpoint room Example Setpoi...

Страница 49: ...ed daytime operation the symbols on the left are displayed in the display window the sun flashes Extended daytime operation is blocked when the controller is in the heating off and manual control or f...

Страница 50: ...nday in Mar 02 00 Last Sunday in Sept 03 00 2 Last Sunday in Mar 02 00 Last Sunday in Oct 03 00 3 Date for daylight saving time period set using P 68 P 71 Parameters P No Parameter Min Max Step Defaul...

Страница 51: ...eter Min Max Step Default Comments P 14 Weekly program for heating 0 5 h 06 22 daytime operation P 61 Weekly program output K4 0 5 h 00 00 K4 on P 63 Holiday period 1 6 1 1 P 64 Start date holiday per...

Страница 52: ...nts weekly program etc are stored permanently in the controller They remain in the controller s memory even after a long lasting power cut However the time date and year P 15 P16 and P 17 must be rese...

Страница 53: ...r signal Y2 0 V 10 V 0 1 V P 90 Manual control of pump K1 0 1 1 0 off 1 on P 91 Manual control output K2 0 1 1 0 off 1 on P 92 Manual control buzzer alarm K3 0 1 1 0 off 1 on P 93 Manual control weekl...

Страница 54: ...ion 7 22 22 0 004 7459 3 GB 1999 08 01 TAC AB Parameters P No Parameter Min Max Step Default Comments P 95 Serial number part 1 0000 9999 1 as per type label P 96 Serial number part 2 0000 9999 1 as p...

Страница 55: ...ermistor inputs see above Remote control of heating SPC U2 2 10 V DC Pump alarm U3 closing contact to M Extended daytime operation X1 closing contact to M Forced night setback X2 closing contact to M...

Страница 56: ...1 Environment Ambient temperature operating 0 C 50 C Ambient temperature storage 20 C 50 C Humidity max 90 relative humidity non condensing Enclosure Material cover PC Material other hard plastic part...

Страница 57: ...time 00 00 23 59 00 01 P 01 Outdoor temperature 30 C 45 C 0 3 C Step 0 1 at 2 40 C P 02 Damped outdoor temp 30 C 40 C 0 1 C P 03 Supply temperature 0 C 120 C 0 3 C Step 0 1 at 2 55 C P 04 Calc setpoin...

Страница 58: ...0 y1 y2 x0 x1 x2 Damped P 24 P band supply controller 10 C 200 C 0 5 C 100 C P 25 Run time for actuator 0 s 300 s 5 s 300 s P 26 Max incr rate supp setpt 1 C m 50 C m 0 1 C m 2 C m Ramp limitation P 2...

Страница 59: ...1 m 0 m Reduced daytime op P 42 Opt time at 10 C y1 0 m 240 m 1 m 0 m Reduced daytime op 10 30 10 0 5 5 10 15 20 15 25 20 25 P 41 y1 in the room minutes per degree of excess temp y0 P 42 Reduced dayt...

Страница 60: ...01 see below Weekend per as per P 63 P 65 End date holiday period 01 00 12 31 00 01 00 01 see below Weekend per as per P 63 Holiday period P 63 1 2 3 4 5 6 start P 64 end P 65 P 66 Time format 12 24 h...

Страница 61: ...0 Current SPC effect 1 P81 P 81 0 1 C P 81 SPC effect at 10 V 0 C 40 C 1 C 0 C 40 0 5 7 8 6 9 10 4 3 2 40 Effect on setpoint C SPC signal V P 81 P 82 Alarm pump 0 1 1 0 no alarm 1 alarm P 83 Alarm sup...

Страница 62: ...TAC 2112 Manual Commissioning Protocol List of Parameters A 6 6 0 004 7459 3 GB 1999 08 01 TAC AB...

Страница 63: ...sioning 5 10 commissioning protocol a 1 configuration 5 9 connection 5 6 control curve adjustment 4 2 automatic adjustment 7 6 description 7 5 control curve for outdoor compensation 7 5 D damped outdo...

Страница 64: ...re damped 7 4 description 7 4 frost protection 7 12 pump stop limit 7 12 reading off 4 1 sensor assembly 5 5 sensor setting 5 9 outputs indication 3 5 K2 7 13 K3 7 19 K4 7 19 manual control 7 21 techn...

Страница 65: ...ly 5 5 switch 5 9 T technical data 8 1 temperatures reading off 4 1 setting 4 2 testing inputs and outputs 5 9 thermistor type 8 1 timed operation 3 3 4 5 7 1 7 3 timer daylight saving time 7 18 descr...

Страница 66: ...TAC 2112 Manual Index Index 4 4 0 004 7459 3 GB TAC AB 1999 08 01...

Страница 67: ...you would make a note of any errors in this manual or of any suggested improvements Send to TAC AB Helpdesk J gershillgatan 18 SE 213 75 MALM SWEDEN Or e mail to helpdesk tac se I have found the follo...

Страница 68: ...TAC 2112 Manual Reply form 1999 08 01 TAC AB...

Страница 69: ......

Страница 70: ...TAC AB J gershillgatan 18 SE 213 75 MALM SWEDEN 46 40 38 68 50 www tac se...

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