TAC 2112 Manual Download Page 6

TAC 2112, Manual 

About this manual

 

1:2(2), 0-004-7459-3 (GB) 

1999-08-01, TAC AB

 

1.2 

How to use this manual 

The 

TAC 2112 Manual

 describes all the functions and procedures 

necessary to install, adjust and use the controller.  

The TAC controller, as well as other products from the 2000-range, 
should not be used for purposes other than intended for. 

During normal operation 

Before reading off or setting temperatures and other parameters 
during normal operation, it is sufficient to read 

Chapter 3, “Using 

the operator’s panel” 

and

 Chapter 4, “Day-to-day usage”

. You can 

also use the 

Quick Reference

 on the front of the controller. 

During installation 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 protocol 

is supplied with the controller, but this can also be found in 
Appendix A. 

During troubleshooting 

In the event of a fault with the controller you should read 

Chapter 3, 

“Using the operator’s panel”, Chapter 4, “Day-to-day usage”

, and 

Chapter 6, “Troubleshooting”

 

1.3 Associated 

documentation 

Enclosed documentation 

The documentation listed below is supplied with the controller. It 
contains all the information you need to install and commission the 
controller. 

• 

Installation instructions for the TAC 2112

 (part number 

0FL-3678) 

• 

Commissioning protocol for the TAC 2112

 (part number 

0FL-3679)  

• 

TAC 2112 Quick Reference 

(part number 0FL-3672)  

Summary of Contents for 2112

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

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 69: ......

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

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