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Building Technologies 

Boiler Sequence Controller RMK770 

CE1P3132en 

HVAC Products 

15 Appendix 

01.03.2005 

15.2 Info 

pages 

 

From the start page (Welcome picture), the Info level   (refer to subsection 2.2.3 
“Operating levels”) is reached by pressing the INFO button. Here, you find the key plant 
data listed. No values can be changed here.  
The Info level   comprises several pages. The display depends on the type of plant. 
When pressing the INFO button, a change is made from one Info page to the next.  
Using the OK button, it is possible to scroll through the Info pages in both directions. 
The ESC button is used to switch from the Info level   back to the start page. 

 

Boiler sequencing 

Addr no: 

Release: 

Burner: 

Faults: 

 

Boiler sequence manager 

 State 
 Cause 
 

Number of avail boil  

Boiler sequence manager 

 

Main flow temp actual value 

 

Main flow temp setpoint 

 

Main return temp actual value 

 

MBRT return temp actual value 

 

MBRT return temp minimum 

Boiler 1 

 

Actual value boiler temperature 

 

Boiler temperature setpoint 

 State 
 Cause 

Boiler 2…6 

 

Actual value boiler temperature 

 

Boiler temperature setpoint 

 State 
 Cause 

Primary controller 

 

Actual value flow temp 

 

Flow temperature setpoint 

 

Actual value return temp 

 

Return temperature max 

 

Return temperature min 

Time switch 

 

 (Example) 

 Heating circuit 

 Preselection 
 State 
 Cause 

Heating circuit  

 

Actual value room temp 

 

Current room temp setpoint 

 

Actual value flow temp 

 

Flow temperature setpoint 

Содержание Synco700 RMK770

Страница 1: ...0 Controller series A CE1P3132en 01 03 2005 Building Technologies HVAC Products Synco 700 Modular Boiler Sequence Controller RMK770 including extension modules RMZ785 RMZ787 RMZ788 and RMZ789 Basic Documentation ...

Страница 2: ... RMK770 CE1P3132en HVAC Products 01 03 2005 Siemens Switzerland Ltd Building Technologies Group HVAC Products Gubelstrasse 22 CH 6301 Zug Tel 41 41 724 724 24 24 Fax 41 41 724 724 35 22 www sbt siemens com 2005 Siemens Switzerland Ltd Subject to alteration ...

Страница 3: ...al assignment and properties of outputs 31 3 3 3 Short designations for basic module and extension modules 32 3 3 4 Maximum configuration 32 3 3 5 Use of configuration diagrams 32 3 3 6 Extension modules 35 3 4 Extra configuration 36 3 4 1 Hydraulics dependent inputs and outputs of function block Boiler sequence manager 37 3 4 2 Hydraulics dependent inputs and outputs of function block Boiler 39 3...

Страница 4: ...f fault inputs 56 4 5 4 Electronic business card 56 5 General functions fundamentals 58 5 1 Time switch 58 5 1 1 Communication 58 5 1 2 Time switch for external controllers on the bus 58 5 1 3 Entering the 24 hour program for space heating 59 5 1 4 Error handling 60 5 2 Holidays special days 60 5 2 1 Communication 60 5 2 2 Holidays 61 5 2 3 Special days 61 5 2 4 Calendar entry 62 5 2 5 Control inp...

Страница 5: ...rature setpoint 94 6 6 3 Frost protection 94 6 7 Diagnostics 94 6 8 Error handling 96 7 Boiler temperature control 98 7 1 Function block overview 98 7 2 Configuration 99 7 2 1 Burner types 102 7 2 2 Boiler hydraulics 102 7 3 Additional boilers 104 7 4 Boiler operating modes and boiler setpoints 104 7 5 Releasing and locking a boiler 105 7 6 Individual operation 106 7 7 Test mode and commissioning ...

Страница 6: ...31 8 1 Heat requisitions 131 8 2 Weather compensated setpoint for boiler sequencing 132 8 3 Heat demand transformer 132 9 Precontrol 135 9 1 Function block overview 135 9 2 Configuration 136 9 2 1 Types of primary controllers 136 9 2 2 Control of mixing valve 137 9 2 3 Pump control 137 9 2 4 Return temperature limitation primary controller 137 9 3 Text designation of the primary controller 138 9 4...

Страница 7: ... 1 Room operating modes 154 10 5 2 Room temperature setpoints 155 10 5 3 Plant operation 155 10 5 4 User requirements in the room 156 10 5 5 Control priorities in the heating circuit 157 10 6 Weather compensated heating circuit control 158 10 6 1 The composite and the attenuated outside temperature 159 10 6 2 Heating curve 160 10 6 3 Influences on the flow temperature setpoint 162 10 6 4 Heating l...

Страница 8: ...vior 180 12 5 State diagrams of the individual types of faults 181 12 6 Predefined fault inputs 182 12 7 Fault inputs 182 12 7 1 Universal fault inputs 182 12 7 2 Analog fault input with limit value supervision 183 12 8 Communication 184 12 9 Fault relay 185 12 10 Alarm indication 186 12 11 Cancellation of all fault status messages 186 12 12 Functional check and wiring test 186 12 13 Diagnostic ch...

Страница 9: ...Contents 01 03 2005 15 Appendix 202 15 1 Configuration diagrams 202 15 1 1 Terminal markings 202 15 1 2 Code letters 202 15 1 3 Configuration choices 202 15 1 4 Configuration diagram basic type K 203 15 1 5 Configuration diagram plant type K1 1 204 15 1 6 Menu tree 204 15 2 Info pages 219 ...

Страница 10: ...10 226 Building Technologies Boiler Sequence Controller RMK770 CE1P3132en HVAC Products Contents 01 03 2005 ...

Страница 11: ... with 8 inputs RMZ785 Universal module with 4 inputs and 4 relay outputs RMZ787 Universal module with 4 inputs and 2 analog and 2 relay outputs RMZ788 Universal module with 6 inputs and 2 analog and 4 relay outputs RMZ789 Module connector For detached extension modules RMZ780 Operator units Operator unit plug in type RMZ790 Operator unit detached RMZ791 Service unit Service tool OCI700 1 RMK770 RM...

Страница 12: ...000 or T1 PTC N1721 N1846 N1713 Active sensors Sensors operating on AC 24 V with modulating DC 0 10 V output N1821 N1850 N1932 Monitors RAK QBM81 QVE81 13 N1186 N1190 N1552 N1592 Room units QAA25 QAA27 QAW740 N1721 N1633 Passive setpoint adjusters QAA25 QAA27 BSG21 N1721 N1991 Active signal sources BSG61 N1992 Actuating devices Electromotoric and electrohydraulic actuators operating on AC 24 V for...

Страница 13: ...Sheet Service tool OCI700 1 N5655 Installation Instructions for RMH760 and RMK770 G3131 Mounting Instructions for extension modules RMZ78 M3110 Mounting Instructions for detached operator unit RMZ791 M3112 Mounting Instructions for module connector RMZ780 M3138 Operating Instructions for controllers RMH760 2 and RMK770 2 en de fr nl B3131x2 Operating Instructions for RMH760 3 and RMK770 3 sv fi no...

Страница 14: ... to potential risks When wiring the system the AC 230 V section must be strictly segregated from the AC 24 V safety extra low voltage SELV section in order to ensure protection against electric shock hazard For storage and transport the limits given in the relevant Data Sheets must always be observed If in doubt contact your supplier or Siemens Building Technologies Synco 700 products are maintena...

Страница 15: ...t use faulty peripheral devices 2 Button with LED red for indicating fault status messages and their acknowl edgement LED flashes Fault status message ready for acknowledgement LED lit Fault status message still present but not yet reset LED off No fault status message present Press button Acknowledge or reset fault 3 Program button Prog Learning button for switching between normal mode and addres...

Страница 16: ...ear text The controller has several languages programmed when commissioning the plant the required language is to be activated The Operating Instructions for the enduser are included with the controller they contain the languages with which the controller is supplied 3 4 2 1 5 3111Z07 Plug in type operator unit RMZ790 3 4 3112Z08 2 1 5 Detached operator unit RMZ791 1 Display 2 INFO button Function...

Страница 17: ...e corner at bottom right only access levels Service level and Password Main me Heating Heating Curvepoint 1 flow temp 486 Info level Display of key plant data Room operating mode Preselection State Comf Cause Time switch 2 2 3 Operating levels There are 2 operating levels Info level Setting level These 2 levels are always active independent of which access level is being used When on this level im...

Страница 18: ...el and confirm by pressing the OK knob Password level for the expert Press the OK knob and the ESC button simul taneously then select operating line Pass word and confirm by pressing the OK knob enter number 7 for the password and confirm by pressing the OK knob Individual menu points or datapoints are enabled depending on the access level On a higher access level it is always possible to also dis...

Страница 19: ...efined with the plant type are assigned to boiler 1 and boiler 2 They are also given boiler addresses 1 and 2 on the Konnex bus Further by selecting the plant type the common main flow and main return temperature sensors are predefined If additional boilers need to be configured this is to be made on the Extra configura tion menu For additional boilers each plant element burner stages boiler senso...

Страница 20: ...e 2 choices for integrating the third boiler Since the RMK770 does not have a sufficient number of outputs an extension module is required Now in the extra configuration boiler 3 is assigned the boiler temperature sensor the first burner stage the boiler pump and the shutoff valve T T T T 3132S43 CE Q11 D1 X8 Q24 Q23 G0 M M Y1 G1 G G1 X6 M X5 M M M X3 X2 M X4 M Q33 Q34 Q41 Q44 Q53 Q54 Q63 Q64 Q14 ...

Страница 21: ...G1 Q12 Q42 Q73 Q74 Y2 G0 X7 D2 M M G1 G0 G1 RMK770 2 Also on the first RMK770 the Number of boilers must be set to 3 thus informing the boiler sequence manager that a third boiler must be controlled via bus Main menu Commissioning Settings or Main menu Settings Boiler sequence manager Operating line Range Factory setting Number of boilers 1 6 2 T T T T 3132S45 CE Q11 D1 X8 Q24 Q23 G0 M M Y1 G1 G G...

Страница 22: ... type K K1 1 K6 3 Position 1 RMZ785 RMZ787 RMZ788 RMZ789 Position 2 RMZ785 RMZ787 RMZ788 RMZ789 Position 3 RMZ785 RMZ787 RMZ788 RMZ789 On operating line Plant type the plant type will be entered or displayed On lines Position 1 through Position 3 it is selected or displayed which of the exten sion modules is required If an extension module is provided for use with the selected plant type it is alr...

Страница 23: ...g burner the 1 stage burner is used as the basic stage In addition a DC 0 10 V output must be assigned in the extra configu ration The plant type always applies to a boiler sequence with 2 boilers and using the same type of burner Additional boilers other types of burner a heating circuit or a primary controller can be configured in the extra configuration The plant type activates function block B...

Страница 24: ...24 226 Building Technologies Boiler Sequence Controller RMK770 CE1P3132en HVAC Products 3 Commissioning 01 03 2005 K4 x 3132S10 K5 x 3132S13 M M K6 x 3132S16 ...

Страница 25: ...ve boiler pump K6 1 1 stage burner 9 9 K6 2 2 stage burner 9 9 K6 3 Modulating burner 3 position 9 9 9 With the plant types the main flow and main return temperature sensors and the boiler temperature sensor are always preconfigured With plant type K6 x the boiler return temperature sensors are also preconfigured A main flow temperature is mandatory with all types of application If there is no mai...

Страница 26: ... Boiler 1 boiler temperature sensor Bo1 TRtBo Boiler 1 boiler return temperature sensor Bo2 TBo Boiler 2 boiler temperature sensor Bo2 TRtBo Boiler 2 boiler return temperature sensor Bo1 BoPu Boiler 1 boiler pump Bo1 BuSt1 Boiler 1 burner stage 1 Bo1 BuSt2 Boiler 1 burner stage 2 Bo1 BuMdltUp Boiler 1 modulating burner on Bo1 BuMdltDn Boiler 1 modulating burner off Bo1 VlvRTMxUp Boiler 1 return mi...

Страница 27: ...terminals K1 1 K1 2 K1 3 K2 1 K2 2 K2 3 RMK770 X1 TMnFl TMnFl TMnFl TMnFl TMnFl TMnFl RMK770 X2 TMnRt TMnRt TMnRt TMnRt TMnRt TMnRt RMK770 X3 Bo1 TBo Bo1 TBo Bo1 TBo Bo1 TBo Bo1 TBo Bo1 TBo RMK770 X4 RMK770 X5 RMK770 X6 Bo2 TBo Bo2 TBo Bo2 TBo Bo2 TBo Bo2 TBo Bo2 TBo RMK770 X7 RMK770 X8 RMK770 D1 RMK770 D2 RMK770 Y1 RMK770 Y2 RMK770 Q1 U Bo1 VlvShOf Bo1 VlvShOf Bo1 VlvShOf RMK770 Q2 Bo1 BuSt1 Bo1 ...

Страница 28: ...3 N 1 Y 2 4 Q 14 RMK770 RMZ789 RMK770 RMZ789 Plant type Connection terminals K3 1 K3 2 K3 3 K4 1 K4 2 K4 3 RMK770 X1 TMnFl TMnFl TMnFl TMnFl TMnFl TMnFl RMK770 X2 TMnRt TMnRt TMnRt TMnRt TMnRt TMnRt RMK770 X3 Bo1 TBo Bo1 TBo Bo1 TBo Bo1 TBo Bo1 TBo Bo1 TBo RMK770 X4 RMK770 X5 RMK770 X6 Bo2 TBo Bo2 TBo Bo2 Tbo Bo2 TBo Bo2 TBo Bo2 TBo RMK770 X7 RMK770 X8 RMK770 D1 RMK770 D2 RMK770 Y1 RMK770 Y2 RMK77...

Страница 29: ... 34 Q 41 Q 44 Q 53 Q 54 Q 63 Q 64 Q 14 C E X 1 G 1 Q 12 Q 42 Q 73 Q 74 Y 2 G 0 X 7 D 2 M M G 1 G 0 G 1 Y 1 4 G 0 Y 9 G 1 Y 1 3 B 1 X 2 X 3 M M M Y 2 3 Q 13 N 1 Y 2 4 Q 14 RMK770 RMZ789 RMK770 1 RMZ789 Connection terminals Plant type K5 1 K5 2 K5 3 RMK770 X1 TMnFl TMnFl TMnFl RMK770 X2 TMnRt TMnRt TMnRt RMK770 X3 Bo1 TBo Bo1 TBo Bo1 TBo RMK770 X4 RMK770 X5 RMK770 X6 Bo2 TBo Bo2 TBo Bo2 TBo RMK770 X...

Страница 30: ... N 1 Y 2 4 Q 14 RMZ789 RMK770 2 RMZ789 Connection terminals Plant types K6 1 K6 2 K6 3 RMK770 X1 TMnFl TMnFl TMnFl RMK770 X2 TMnRt TMnRt TMnRt RMK770 X3 Bo1 TBo Bo1 TBo Bo1 TBo RMK770 X4 Bo1 TRtBo Bo1 TRtBo Bo1 TRtBo RMK770 X5 RMK770 X6 Bo2 TBo Bo2 TBo Bo2 TBo RMK770 X7 Bo2 TRtBo Bo2 TRtBo Bo2 TRtBo RMK770 X8 RMK770 D1 RMK770 D2 RMK770 Y1 RMK770 Y2 RMK770 Q1 U Bo1 BoPu Bo1 BoPu Bo1 BoPu RMK770 Q2 ...

Страница 31: ... Q6 Usually special terminal pairs must be used Normally for 3 position control of a mixing valve or modulating burner with on off signal appropriate radio interference suppression measures must be taken If the mix ing valve does not already incorporate such RC units appropriate devices must be provided on the controller side or externally With the RMZ789 extension module there are 4 mixing valve ...

Страница 32: ...xtension module RMZ789 A9 1 First extension module RMZ789 A9 2 Second extension module RMZ789 These short designations also appear on the operator unit 3 3 4 Maximum configuration The configuration diagram in the Addendum gives an overview of the maximum number of function blocks that can be configured Quantity Function block 1 Boiler sequence manager 6 Boiler 7 Output modulating 3 position or DC ...

Страница 33: ... sequence manager Boiler 1 Boiler 2 The configuration diagram shows the inputs and outputs that are preconfigured If required additional inputs and outputs e g flue gas temperature sensor burner operation checkback signal can be assigned to the free inputs and outputs in the extra configuration Also it is possible to see which extension modules are required For plant type K5 2 extension module RMZ...

Страница 34: ...B d B V Q a 0 10 V Y d 0 10 V Y 2 2 1 3P 3P Boiler 2 Modulating Shutoff valve Flue gas Burner Curr burner outp Setpoint comp Stage Release Flue gas mode Water shortage 1 Overpressure 2 Underpressure 3 Burner close open Boiler Return close open Shutoff valve Boiler pump MBRT a a a a d d a 0 10 V Y Q d d B d B V Q 2 1 a b 3P Flow Return Room Room rel Timer Room abs Operating mode Main distributor Pr...

Страница 35: ... of exten sion modules of the same type is not limited The assignment of functions to the basic module and the extension modules is not prescribed With the plant types the temperature sensors are always preconfigured to the basic module as standard Relay outputs for 3 position applications are preconfigured to extension modules with the possibility of using RC units RMZ789 The following types of e...

Страница 36: ...an incorrectly configured extension module some other fault status mes sage may also be displayed because that consequential fault has the higher priority than fault status message 7101 It is therefore of advantage to have all present faults displayed Number Text Effect 7101 Fault extension module Urgent message must be acknowledged In the event of fault the LEDs on the extension modules flash If ...

Страница 37: ...le for selection are the free terminal pairs Q1 Q2 Q3 Q4 Q5 Q6 for the on and off signal refer to subsection 3 3 2 Terminal assignment and properties of outputs Refer to subsection 3 3 4 Maximum configuration 3 4 1 Hydraulics dependent inputs and outputs of function block Boiler sequence manager T T T TRtCo TRtMn BoPu_A TBo BuMnSt BuMdltUp BuMdltDn BoPu VlvShOff VlvRtMx 3132S52 MnPu_A T T TRtBo TR...

Страница 38: ...e sensor is recommended for plant with pressureless headers The MBRT return temperature sensor is required for minimum limitation of the return temperature in connection with a common mixing valve MnVlvRtMx For this type of application the TMnRt sensor cannot be used When there is no mixing valve for the common maintained boiler return temperature the sensor for minimum limitation of the return te...

Страница 39: ...BuSt2 Modulating burner 3 pos BuMdltUp Modulating burner mod BuMdlt Setpoint compensation BoSetpt Boiler pump BoPu_A Boiler pump BoPu_B Shutoff valve VlvShOff Maint boiler return temp 3 pos VlvRtMx Maint boiler return temp mod VlVRtMx Here the free inputs are available for selection The boiler temperature sensor is used as a control sensor for the boiler temperature setpoint The sensor is mandator...

Страница 40: ...St2 TBo T T TRtMx MnVlvRtMx T TFlMn T T T PrCtrVlvMx TRtPrCtr TFlPrCtr TPu_A TFg T TFg T 3132S54 _B MnPu_B TPu_B Primary control Main menu Commissioning Extra configuration Primary controller Inputs Operating line Range Name Flow sensor RMK770 RMZ7 TFlPrCtr Return sensor TRtPrCtr Here the free inputs are available for selection Main menu Commissioning Extra configuration Primary controller Outputs...

Страница 41: ...acting on Main distributor Primary controller Main distributor Main menu Commissioning Extra configuration Heating circuit Inputs Operating line Range Name Flow sensor RMK770 RMZ7 TFlHCtr Room sensor Tr Return sensor TRtHCtr Here the free inputs are available for selection Main menu Commissioning Extra configuration Primary controller Outputs Operating line Range Name Heating circuit pump RMK770 R...

Страница 42: ...g circuit pump is a twin pump 3 position or modulating mixing valve for the heating circuit For more detailed information refer to chapter 10 Heating circuit control 3 4 5 Heat requisition Main menu Commissioning Extra configuration Heat requisition Operating line Range Factory setting Heat requisition acting on Main distributor Pri mary controller Main distributor T T TRtCo TRtMn 3132S56 T TMnFl ...

Страница 43: ...nput for activating the Holidays function Here 4 universal inputs for display purposes can be configured The unit of these inputs can be defined at menu item Input identifier Main menu Commissioning Extra configuration Miscellaneous Operating line Range Factory setting Input identifier C g kg KJ kg W m2 m s bar mbar Pa ppm Universal 000 0 Universal 0000 Digital C For resolution type of sensor etc ...

Страница 44: ...identifier is not required with the RMK770 with the exception of the 4 universal inputs for display purposes and the 4 fault inputs With the analog inputs the following settings can be made Type Measuring range Measured value correction Temperature sensor Ni 1000 is preselected as standard for all types of temperature sensors The following types of input signals can be handled LG Ni1000 2 LG Ni100...

Страница 45: ... Commissioning menu is quit a check is made to see which sensors are connected If later one of the sensors connected at this point in time is missing or if there is a short circuit a fault status message X sensor error will be delivered If there is an open circuit of the measuring line the operator unit displays the measured value as A short circuit is displayed as oooo The digital inputs can acce...

Страница 46: ...rs and aggregates must be assigned to the relevant boiler In the illustration below this is boiler no 3 T T T T 3132S43 CE Q11 D1 X8 Q24 Q23 G0 M M Y1 G1 G G1 X6 M X5 M M M X3 X2 M X4 M Q33 Q34 Q41 Q44 Q53 Q54 Q63 Q64 Q14 CE X1 G1 Q12 Q42 Q73 Q74 Y2 G0 X7 D2 M M G1 G0 G1 RMK770 T RMZ78 1 2 3 Common plant components main pump system pump primary controller must also be connected to the controller w...

Страница 47: ...oiler 1 Outputs Operating line Positions Boiler pump Off On 3 7 Concluding commissioning If the application is correct the Commissioning menu can be quit as follows 1 Press the ESC button The display shows a dialog box with the following informa tion Caution Plant starts ESC OK 2 Confirm by pressing the OK knob Then the controller starts using the settings made the plant is started up and the main...

Страница 48: ...ion Display of hardware version 3 10 Leaving the password level On completion of commissioning select the user level access level for the plant opera tor To do this proceed as follows 1 After completion of commissioning you reach the main menu again 2 Press the OK knob and the ESC button simultaneously 3 The Access level menu appears 4 Select the user level by turning the OK knob 5 Confirm selecti...

Страница 49: ...t terminal assignments The terminal markings used are explained at the end of this section K1 1 3132S19 N X3 N X6 N X1 N X2 N Q2 N Q5 N Q7 K1 2 3132S20 N X3 N X6 N X1 N X2 N Q2 N Q3 N Q5 N Q6 N Q7 1 2 1 2 K1 3 3132S21 N X3 N X6 N X1 N X2 N Q2 A9 Q1 A9 Q4 A9 Q2 N Q5 A9 Q3 N Q7 K2 1 3132S22 N X3 N X6 N X1 N X2 N Q2 N Q1 N Q4 N Q5 N Q7 M M Note ...

Страница 50: ... Q5 N Q6 N Q7 1 2 1 2 M M K2 3 3132S24 N X3 N X6 N X1 N X2 N Q2 N Q1 N Q4 A9 Q1 A9 Q4 A9 Q2 N Q5 A9 Q3 N Q7 M M K3 1 3132S25 N X3 N X6 N X1 N X2 N Q3 N Q6 N Q2 N Q1 N Q4 N Q5 N Q7 M M K3 2 3132S26 N X3 N X6 N X1 N X2 A7 Q1 A7 Q2 N Q2 N Q1 N Q4 N Q3 N Q5 N Q6 N Q7 1 2 1 2 M M K3 3 3132S27 N X3 N X6 N X1 N X2 N Q3 N Q6 N Q2 N Q1 N Q4 A9 Q1 A9 Q4 A9 Q2 N Q5 A9 Q3 N Q7 M M ...

Страница 51: ... X6 N X1 N X2 N Q1 N Q4 N Q2 N Q5 K4 2 3132S29 N X3 N X6 N X1 N X2 N Q1 N Q4 N Q2 N Q6 N Q3 N Q5 1 2 1 2 K4 3 3132S30 N X3 N X6 N X1 N X2 N Q1 N Q4 N Q2 A9 Q1 A9 Q4 A9 Q2 N Q5 A9 Q3 K5 1 3132S31 N X3 N X6 N X1 N X2 N Q3 N Q6 N Q1 N Q4 N Q2 N Q5 M M K5 2 3132S32 N X3 N X6 N X1 N X2 A7 Q1 A7 Q2 N Q1 N Q4 N Q2 N Q6 N Q3 N Q5 1 2 1 2 M M ...

Страница 52: ...2 K6 3 3132S36 N X3 N X6 N X1 N X2 N X4 N X7 N Q1 N Q4 N Q2 A9 Q1 A9 Q2 A9 2 Q1 A9 2 Q2 A9 Q3 A9 2 Q4 A9 Q4 N Q5 A9 2 Q3 Explanation of the terminal markings used Boiler with 1 stage burner 1 2 Boiler with 2 stage burner Boiler with modulating burner 3 position N Connection terminal on the controller X1 Configurable input at the controller Q1 Relay with terminals Q11 Q12 and Q14 Q2 Relay with term...

Страница 53: ...an be adjusted should the relevant regulations change The dates set for the change from wintertime to summertime or from summertime to wintertime ensure that on the first Sunday after that date the time of day will change from 02 00 wintertime to 03 00 summertime and from 03 00 summertime to 02 00 wintertime If both dates are set to coincide summer wintertime changeover will be inactive Main menu ...

Страница 54: ...ime Contr time System time Readjustment Slave remote setting clock slave Yes The controller s time of day can be adjusted and at the same time the system time is adjusted The controller s time of day is con tinuously and automatically matched to the system time 3140Z06 Contr time System time Readjustment Master The time of day on the controller can be readjusted and at the same time adjusts the sy...

Страница 55: ...anguage 1 Language 2 Language 3 Language 4 RMK770 1 German French Italian Spanish RMK770 2 German English French Dutch RMK770 3 Swedish Finnish Norwegian Danish RMK770 4 Polish Czech Slowakian Hungarian RMK770 5 Serbian Croatian Slovenish Romanian Main menu Commissioning Settings or Main menu Settings Device Operating line Range Factory setting Language English Available in all types 4 3 Selecting...

Страница 56: ... the info pages and by the menus Only in the extra configuration and in the wiring test will the original designation boiler 1 continue to be used 4 5 3 Text of fault inputs The texts for the fault inputs are locally displayed as fault texts and are also transmitted via bus In addition to the predefined fault inputs there are 4 universal fault inputs and 3 digital aggregate related fault inputs av...

Страница 57: ...2005 Main menu Commissioning Extra configuration Miscellaneous Operating line Range Factory setting Business card Yes No Yes Main menu Commissioning Settings or Main menu Settings Texts Operating line Range Factory setting Business card line 1 Business card line 2 Business card line 3 Business card line 4 Settings ...

Страница 58: ... time switch in this controller is not active The time switch acting is the external time switch acting in the geographical zone set on this controller as the time switch receiving zone The external time switch must be set as the time switch master Master The time switch in this controller is active The time switch also acts on all other control lers where the time switch is switched off time swit...

Страница 59: ...me of day from where the desired operating mode shall apply The required operating mode The next day always adopts the operating mode of the previous day until a specific entry is made Diagram The operating mode of the previous day is shown as a broken line Cmf PreCmf Eco 1 3131D25 Monday Tuesday Wednesday If no entry is made for a specific day the operating mode of the previous day will be adopte...

Страница 60: ...eparate settings make it possible to select the operating mode that shall apply to both the heating cir cuits and DHW heating during holidays The Holidays special days function is only active if the room operating mode or the DHW Auto mode has been selected for the heating circuit s and or DHW heating The RMK770 does not provide DHW heating but DHW signals from the Konnex bus can have an impact 5 ...

Страница 61: ...uring the holiday period Economy or Protection mode shall be used For DHW heating operating modes Auto Normal Reduced and Protection are available Main menu Holidays special days Operating line Range Factory setting Room operating mode holidays Economy Protection Economy DHW operating mode holidays Auto Normal Reduced Protection Protection If the controller is connected to other controllers via co...

Страница 62: ...ot be started in due time It is therefore recommended to bring the end of the holiday period somewhat forward thereby giving the plant suffi cient time to adapt to the respective setpoints 5 2 5 Control inputs for holidays and special days Holidays and special days can also be activated via digital inputs For that purpose digital inputs must be assigned Main menu Commissioning Extra configuration ...

Страница 63: ...d For evaluation of the priority in the holidays special days program only the first 2 en tries are considered If more than 2 overlapping entries are made it may be that the special day no longer has priority over the holidays 5 3 Frost protection for the plant Main menu Commissioning Settings or Main menu Settings Protective functions Operating line Range Factory setting Frost prot for plant ON c...

Страница 64: ...as shut down To ensure that the heat con sumers still draw heat during a minimum period of time an overrun time is enforced on the heat consumers that were not switched off more than 1 minute ago During the overrun time the pumps and mixing valves continue to operate the pumps continue to run and the mixing valves maintain the old setpoint The duration of the overrun time is dependent upon the typ...

Страница 65: ... used they will be kicked one after the other After the end of a kick the next pump will be kicked after an interval of 30 seconds The valve kick does not act on the shutoff valves 5 6 Heat demand and load control 5 6 1 Heat demand Heat consumers like heating circuits and DHW heating send their heat demand signals to the heat distribution zone Heat generation An RMU universal controller or RXB ind...

Страница 66: ...tions allow the heat consumers to respond to load control in different ways Examples where a load reduction can be triggered are the following Protective boiler startup the boiler temperature is still below the minimum boiler temperature Load reduction via critical locking signals Maintained boiler return temperature without separate mixing valve acting on the heating circuits Load reduction via c...

Страница 67: ...se the associated hydraulic actuating devices shall be able to respond depending on the situation The locking signal gain is adjustable between 0 and 200 Setting Response 0 Locking signal will be ignored 100 Locking signal will be adopted 1 to 1 200 Locking signal will be doubled This enables the heat consumer s responses to be matched to the locking signals If the heat consumer responds too stron...

Страница 68: ...dapted to the relevant controlled system The controller is supplied with the control parameters set to values suited for the major ity of controlled systems typically flow temperature control with a 3 port mixing valve In the case of difficult controlled systems e g heating circuit with heat exchanger the control parameters must always be matched to the controlled system T T A controlled system is...

Страница 69: ...eliable step response it is important during the measurement to keep the temperature upstream of the valve and the return temperature mixing as constant as possible During the measurement the boiler and return temperatures should reflect winter con ditions at relatively low outside temperatures On actual plant it is not always possible to get a reliable step response Without a step response or in ...

Страница 70: ... the P band is increased the controller will respond less intensely to the same control deviation With a P band of 60 K for example the actuator will only take 12 5 seconds to travel to the fully open or fully closed position Increasing the P band Xp means The control responds more slowly and the tendency to oscillate is smaller This means The control action is too slow Decrease P band Xp in steps...

Страница 71: ...ction block boiler sequence boiler primary con troller heating circuit Main menu Commissioning Extra configuration Boiler sequence manager Outputs Main menu Commissioning Extra configuration Boiler Outputs Main menu Commissioning Extra configuration Primary controller Outputs Main menu Commissioning Extra configuration Heating circuit Outputs Operating line Adjustable values remarks pump Assign te...

Страница 72: ...t changeover back to pump A will take place Pump B is always the working pump In the event of fault changeover to pump A will take place After rectification of the fault changeover back to pump B will take place The changeover time is the same time as that used for the pump mixing valve kick kick day and kick time For this reason this setting must be checked Automatic changeover takes place on com...

Страница 73: ...a fault status message will be delivered This message must be acknowl edged but no reset is required If both inputs signal a fault a reset must be made Flow supervision only becomes active 60 seconds after the pump is switched on The behavior in the event of a pump fault depends on the type of function block If a twin pump is used the fault behavior of the relevant block becomes active only if bot...

Страница 74: ... temperature sensor TMnRt Main return temperature sensor TRtMx Return sensor MBRT TRtCo Return sensor consumers HD 0 10V Heat requisition modulating HD gen Heat requisition constant HD DHW Heat requisition DHW HD Frost Heat requisition frost protection Release BS Boiler sequence release input BSS1 Boiler sequence selector 1 BSS2 Boiler sequence selector 2 BSS3 Boiler sequence selector 3 MnPuEr_A E...

Страница 75: ...4 5 6 Auto T T T T BSS BS Release HD HD gen HD DC 0 10 V HD DHW HD Frost MnPu_B MnPuEr_B P 3132S57 BSM Rel_ BS T TMnFl T TMnRt Er2 PMaxMon Error BSS T TrtMx T TRtCo MnPuEr_A MnPuEr_B MnPuErFlow Er3 PMinMon Er1 WLoLeDet MnPu_A MnPu_B MnVlvRtMxUP MNVlvRtMxDN MnVlvRtMx DC 0 10 V HD DC 0 10 V HD gen HD DHW HD HD Frost BSS1 BSS2 BSS3 3132Z09 BSM Boiler sequence manager BSS Boiler sequence selector HD H...

Страница 76: ...d in connection with a pres sureless header but its configuration can also be deleted In the extra configuration the basic configuration can be complemented and or amended Main menu Commissioning Extra configuration Boiler sequence manager Inputs Operating line Adjustable values remarks Main flow sensor Terminal marking autonomous Main return sensor MBRT return sensor Sensor for maintained main bo...

Страница 77: ...mum selection of the 2 sensors With plant types K1 x K2 x and K3 x a main pump is preconfigured since these plant types do not have their own boiler pump Basically a main pump can be configured for each plant type Outputs Main pump If in addition main pump B is configured the main pump is automatically set as a twin pump The main pump always operates when there is demand for heat If sustained mode...

Страница 78: ...e lead boiler is always the first boiler to be put into operation It always maintains the boiler temperature setpoint predefined by the boiler sequence manager The boiler temperature setpoint of the lead boiler is raised or lowered depending on the deviation of the temperature acquired by the main flow sensor from the setpoint The setpoint correction can be adjusted Main menu Commissioning Setting...

Страница 79: ...ing line Range Factory setting Boiler sequence selection manually Auto 1 6 Auto Auto Automatic changeover of lead boiler after an adjustable period of time 1 Boiler sequence 1 2 3 4 5 6 2 Boiler sequence 2 3 4 5 6 1 3 Boiler sequence 3 4 5 6 1 2 4 Boiler sequence 4 5 6 1 2 3 5 Boiler sequence 5 6 1 2 3 4 6 Boiler sequence 6 1 2 3 4 5 The boiler sequence can also be preselected with an external sel...

Страница 80: ...ition the lead boiler and the associated boiler sequence can do an auto matic changeover depending on the burner hours run of the lead boiler The burner hours run are calculated by the boiler sequence manager and are inde pendent of the hours run counters of the individual boilers Automatic boiler changeover ensures that the number of burner operating hours of the individual boilers are pretty muc...

Страница 81: ...an old boiler which no longer meets environmental requirements and which therefore may only be used to a limited extent If a boiler is defined as a backup boiler that boiler is always the last to be switched on Several boilers can be defined as backup boilers These are then switched on in as cending order Main menu Commissioning Settings or Main menu Settings Boiler Operation settings Operating li...

Страница 82: ...triction Priority 3 is assigned to the backup boilers Priority 4 is assigned to the boilers with locking by the outside temperature Priority 5 is assigned to the boilers with conditional manual locking release input Priority 6 is assigned to the boilers with unconditional manual locking release in put The boiler released first is always the boiler with the highest priority If several boilers have ...

Страница 83: ...vides control This can be especially desirable in the case of boiler sequences with several modulating burners Boiler sequence with 4 boilers and modulating burners as an example Lag boilers with small setpoint increase or no increase at all 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 31...

Страница 84: ... demand or load Boiler 1 Boiler 2 Main menu Commissioning Settings or Main menu Settings Boiler sequence manager Control parameters Operating line Range Factory setting Boiler sequence strategy Sequentially Binary sequentially Sequentially 6 3 4 Boiler sequence operating mode or Main menu Boiler sequence manager Boiler sequence optg mode Operating line Range Factory setting Preselection Auto Relea...

Страница 85: ...s no need for the boiler sequence to deliver heat In that case depending on the types of boiler used in the boiler sequence all boilers can be switched off or are maintained at a minimum temperature In certain types of plant it is important however to have heat available as quickly as possible For that purpose a sustained mode can be defined If there is no heat requisition the tem perature of the ...

Страница 86: ...ard sequence integral 0 500 K min 200 K min Upward sequence delay 0 255 min 5 min Setting the upward sequence integral defines the output deficit that shall cause an additional boiler to be switched on 50 47 53 C 41 44 t a tswiwtch on TempMnFlow TempFlowWDem TempSeqSwitchDiff 3132D05 TempFlowWDem Flow temperature setpoint for performing the integral TempSeqSwitchDiff Neutral zone 3 K TempMnFlow Ma...

Страница 87: ...eans that removal of a boiler from the boiler sequence is fast b 50 47 53 C 41 44 t tswiwtch off TempMnFlow TempFlowWDem TempSeqSwitchDiff 3132D06 TempFlowWDem Flow temperature setpoint for performing the integral TempSeqSwitchDiff Neutral zone 3 K TempMnFlow Main flow temperature t Time t switch off Time to elapse for boiler to be switched on Switching off via the output balance prevents a large ...

Страница 88: ...itched off all 4 boilers must have modulated below 240 kW 60 of 400 kW for 20 minutes that is below 60 kW on average After switching off the operating point of the remaining 3 boilers is at 80 kW To enable the third boiler to be switched off all 3 boilers must have modulated below 180 kW 60 of 300 kW for the duration of the switch off delay that is below 60 kW on average After switching off the op...

Страница 89: ...o flow Nonurgent message must be acknowledged and reset 2494 Main pump B no flow Nonurgent message must be acknowledged and reset 2495 Main pump fault Urgent message must be acknowledged and reset plant stop For fault supervision of the boiler sequence there are 3 binary fault inputs available These are freely configurable whereby the 3 fault outputs use the following factory settings Main menu Co...

Страница 90: ...block faults In addition to the 3 binary fault inputs the temperature at the main flow sensor can be monitored If the main flow temperature does not reach the required level within the ad justable fault status signal delay an error message will be delivered It is only monitored whether the required temperature is reached If the temperature is too high no error mes sage will be delivered reason in ...

Страница 91: ...ating circuit DHW heating and primary controller the external inputs and the manual setpoint preselection These setpoints are used to generate the maximum value or Main menu Boiler sequence manager Boiler sequence optg mode Operating line Range Factory setting Setp preselection manual 8 140 C C If there is no heat requisition sustained mode can become active if parameterized On the controller 1 an...

Страница 92: ...losed or open contact Main menu Commissioning Settings or Main menu Settings Inputs RMK770 or RMZ78 Operating line Range Factory setting Normal position Open Closed Open Setting Normal position Open means that a closed contact identifies a heat requisi tion Main menu Commissioning Settings or Main menu Settings Inputs Heat requisition Heat requisition boiler sequence Operating line Range Factory s...

Страница 93: ...3132S68 T T 3132S71 T T T T Minimum limitation of the return temperature with sepa rate mixing valve per boiler Minimum limitation of the return temperature with common mixing valve Main menu Commissioning Settings or Main menu Settings Boiler sequence manager Limitations Operating line Range Factory setting MBRT Return temp minimum 8 140 C C Main menu Commissioning Settings or Main menu Settings ...

Страница 94: ...the plant On Off Off Here it can be selected whether frost protection for the plant shall act on the main pump For more detailed information about frost protection for the plant refer to section 5 3 Frost protection for the plant If the temperature at the main flow temperature sensor TMnFl falls below 5 C a heat requisition of 10 C will be generated If the temperature at the sensor returns to a le...

Страница 95: ...tpoints of the boiler as well as the state indicating whether the boiler is released For detailed diagnostics the following additional information is provided or Main menu Boiler sequence manager Boiler sequence optg mode Operating line Range Factory setting Preselection Auto Release DHW Off Auto Setp preselection manual 8 140 C C Actual value State Cause Boil sequence selection manual Auto 1 6 Au...

Страница 96: ...2 pos or Main menu Boiler sequence manager Fault inputs Operating line Range Fault text Fault text for fault input 1 Fault input 1 Fault text Fault text for fault input 1 Fault input 2 Fault text Fault text for fault input 1 Fault input 3 Main pump overload Main pump B overload Flow signal pump or Main menu Boiler sequence manager Outputs Operating line Range Main pump Main pump B Maint boiler ret...

Страница 97: ...r pressure Can be parameterized Number Text Effect 2396 Main flow temp not reached Not urgent must be acknowledged no plant stop Number Text Effect 332 Boiler seq MBRT sensor error Nonurgent message must be acknowl edged no plant stop 333 Consumer return sensor error Nonurgent message must be acknowl edged no plant stop Number Text Effect 5593 Number of boilers wrong setting Nonurgent message must...

Страница 98: ...rner current burner output ShOffVlvFb Checkback signal shutoff valve TFg Flue gas temperature sensor InFgMs Control input flue gas measurement ErBu Fault input burner fault Er1 WLoLeDet Fault input 1 water shortage Er2 PMaxMon Fault input 2 maximum pressure Er3 PMinMon Fault input 3 minimum pressure BoPuEr_A Fault input boiler pump A BoPuEr_B Fault input boiler pump B BoPuErFlow Fault supervision ...

Страница 99: ...xMon Er3 PMinMon Er1 WloLeDet ShOffVlvFb ShOffVlvFb BuMdltFb BuFb InIndOp BoPuEr_B BoPuErFlow BuSt1 BuSt2 BuMdltUp BuMdltDn BuMdltDn_DC 0 10 V BuSetpt VlvShOff BoPu_A BoPu_B VlvRtMxUp VlvRtMxDn VlvRtMx_DC 0 10 V T T T 3132Z12 7 2 Configuration In the basic configuration the function block is activated for the application By select ing the plant type the type of burner and boiler hydraulics will be...

Страница 100: ...ner In the extra configuration it is also possible to activate additional boilers by configuring a burner stage and a boiler sensor with boiler 3 to a free input and output for example Also in the extra configuration additional sensors fault and control inputs can be de fined Main menu Commissioning Extra configuration Boiler Inputs Operating line Adjustable values remarks Boiler sensor Return sen...

Страница 101: ...e help of the checkback signal shutoff valve the correct functioning of the shut off valve can be monitored Also the burner is started only after the Open position of the shutoff valve has been confirmed by the checkback signal If there is no checkback signal the burner will initiate lockout also Also refer to section 7 13 Boiler faults Using the flue gas temperature sensor the flue gas temperatur...

Страница 102: ...rol of the burner is required the DC 0 10 V output can also be used for set point compensation of a boiler In that case it is not the boiler temperature that is con trolled but the boiler temperature setpoint is shifted as a function of the main flow tem perature 7 2 2 Boiler hydraulics The following pumps are usually present One boiler pump per boiler The main pump for all boilers It is also poss...

Страница 103: ...able Often the shutoff valve is controlled parallel to the boiler pump common output or the boiler pump is controlled parallel to the shutoff valve but activated only when the shutoff valve is fully open T 3132S69 Y1 Y2 3 4 BuSt1 VlvShOff If the shutoff valve and the boiler pump are controlled by separate outputs both boiler pump and burner will be switched on only when the shutoff valve is fully ...

Страница 104: ...be required e g mixing pump Configuration of a terminal pair for a 3 position mixing valve The terminals still avail able for selection are the free terminal pairs Q1 Q2 Q3 Q4 Q5 Q6 for the open and the close signal In general special terminal pairs must be used for that purpose RC units for radio interference suppression for more detailed information refer to subsec tion 3 3 2 Terminal assignment...

Страница 105: ...eased or locked either via the digital input release input or operation boiler operating mode Main menu Commissioning Settings or Main menu Boiler Boiler operating mode Operating line Range Factory setting Preselection Auto Off Auto Using the digital release input the boiler remains locked as long as the input is passive If the boiler is locked via the release input setting Frost protection releas...

Страница 106: ...pical application of individual operation is the separate circuit for DHW heating With this application boiler 1 is hydraulically decoupled for DHW heating and during the time DHW is heated the boiler temperature setpoint is maintained at a constant level This application is made possible with individual operation in that case hydraulic de coupling from DHW heating must be made separately T T T T ...

Страница 107: ...rating line Adjustable values remarks Boiler sensor Assign input With the programmed types of plant a boiler temperature sensor is assigned to each of the 2 boilers But that sensor can also be removed Boiler sequence management predefines a boiler temperature setpoint Without own boiler temperature sensor the assumption is made that boiler temperature limitation is ensured by an external boiler te...

Страница 108: ...u Commissioning Settings or Main menu Settings Boiler Burner Operating line Range Factory setting Release limit stage 2 0 500 K m 50 K m Reset limit stage 2 0 500 K m 10 K m Locking time stage 2 0 60 min 10 min 7 8 3 Control of burner s basic stage and stage 2 This subsection describes the switching logic of the basic stage and the release and reset criteria for 2 stage burner operation As long as...

Страница 109: ...lease integral is re duced again Owing to the performance of the temperature time integral it is not only the period of time that is considered but also the extent of undershoot This means that when the undershoot is significant the release according to the integral criterion will be reached earlier than with a small undershoot When the release integral area a in the diagram has reached the set va...

Страница 110: ...rner stage 1 BSt2 Burner stage 2 INT Integral Rls Release Rst Reset SD Switching differential Sp Setpoint t Time TBo Boiler temperature If with stages 1 and 2 released both stages are locked at the same time the basic stage will be switched off with a delay of 10 seconds Switching off in 2 phases also reduces the pressure shocks in the gas supply line This prevents unnecessary lockout in the case ...

Страница 111: ...ers used for the release and reset integral are the same as those used for the 2 stage burner Compared to the 2 stage burner the release integral should be selected smaller however because in this case it is not the entire capacity of stage 2 that is switched on but only the modulating part that is released and the reset integral can be selected larger Release integral stage 2 or modulation 10 K m...

Страница 112: ...ioning pulses will drive the actuator towards the fully open or fully closed position Maximum limitation of the boiler temperature and minimum burner running time are handled analogous to 2 stage burner operation Air damper control must be matched to the plant s behavior controlled system to en sure that if the load changes e g increase of heat demand the plant will quickly in crease heat producti...

Страница 113: ...nction To check the control behavior with the preset control parameters the following proce dure is recommended After the controller has reached and held the setpoint for a certain time change the setpoint by 5 to 10 either up or down When making this test it is of advantage to have the plant operating in the lower load range where usually control is more difficult In principle control must be sta...

Страница 114: ...enu Settings Outputs Setpoint compensation Boiler Operating line Range Factory setting Setpoint at 0 Volt 150 50 C 0 C Setpoint at 10 Volt 50 500 C 100 C Limit value 0 140 C 10 C Using setting parameters the DC 0 10 V output can be matched to the recipient of the heat demand signal For setpoints below the limit value the modulating output delivers a signal of DC 0 V 7 9 Protective boiler functions...

Страница 115: ...alculated upward The point in time the minimum boiler temperature is maintained depends on the boiler shutdown setting see below When there is a heat requisition the minimum boiler temperature is always active If a minimum return temperature is required it must be ensured that the minimum boiler temperature will be set to a level which lies a few Kelvin above the minimum return temperature 7 9 3 P...

Страница 116: ...With setting Optimization of the minimum boiler temperature On the control se lects the switch on point such that in normal situations the boiler temperature will not drop below the minimum boiler temperature Using this function a load dependent forward shift of the burner s switch on point can be achieved In that case the minimum boiler temperature need not be determined with an unnecessarily gre...

Страница 117: ...ain menu Settings Boiler Limitations Operating line Range Factory setting Consumer overrun time 0 60 min 6 min After the burner has shut down the overrun time ensures that the heating circuits and DHW heating still draw heat for that period of time provided they were consuming heat up to 1 minute before the burner was shut down In any case pumps and mixing valves observe an overrun time of 60 seco...

Страница 118: ...rate mixing valve for the maintained boiler return temperature per boiler a com mon mixing valve for the maintained boiler return temperature of all boilers or by re stricting the amount of heat drawn by the consumers Limitation of the return temperature with a common mixing valve or with impact on the consumers is described in subsection 6 6 1 Common maintained boiler return tem perature T 3132S6...

Страница 119: ... boiler temperature must be at least a few K higher than the minimum return temperature In the case of plant with a mixing valve for the maintained boiler return temperature the mixing valve will be driven to the fully closed position if the return temperature sensor is faulty and then deenergized to make possible manual adjustment If there is no return temperature sensor configured a fault status...

Страница 120: ...value is monitored it is also possible to define if crossing of the limit value shall cause the boiler to shut down No stop Stop Main menu Boiler Inputs Setpoints Operating line Adjustable values remarks Flue gas temperature Flue gas temperature maximum The current flue gas temperature and the maximum flue gas temperature are available as diagnostic values 7 12 Flue gas measuring mode Flue gas mea...

Страница 121: ...re is no checkback signal from the shutoff valve the boiler is considered faulty also The waiting time for the checkback signal can be adjusted If there is no check back signal on completion of the waiting time a fault will be signaled It can be selected whether or not crossing of the maximum flue gas temperature shall lead to a fault with boiler stop There are 3 binary fault inputs available whic...

Страница 122: ...pact of fault No stop Stop Stop Fault acknowledgement None Acknowledge Acknowledge and reset Acknowledge Fault priority Urgent Not urgent Urgent Fault status signal delay 00 00 59 55 m s 00 05 m s Main menu Commissioning Settings or Main menu Settings Boiler Fault settings Fault input 2 Operating line Range Factory setting Fault text A Z Overpressure Impact of fault No stop Stop Stop Fault acknowl...

Страница 123: ...quires the current out put of each boiler Based on the set rated capacity and the output proportion of stage 1 the boiler com putes the current output as a function of the cycling ratio of stage 1 or stage 2 or de pending on the degree of modulation of the modulating burner When setting the rated capacity the boiler s efficiency can be taken into consideration But this is of importance only if the...

Страница 124: ...ensor error Nonurgent message must be acknowl edged No aggregate stop boiler 5 316 Boiler 6 return sensor error Nonurgent message must be acknowl edged No aggregate stop boiler 6 In the case of plant with mixing valve for the maintained boiler return temperature the mixing valve will be driven to the fully closed position when there is no return tempera ture sensor and then deenergized to make pos...

Страница 125: ...dged and reset Aggregate stop boiler 5 2316 K6 burner no checkback signal Urgent message must be acknowledged and reset Aggregate stop boiler 6 Number Text Effect 2321 Boiler 1 water shortage Priority effect and acknowledgement can be parameterized Supply state Urgent boiler stop must be acknowledged 2322 Boiler 2 water shortage Priority effect and acknowledgement can be parameterized Supply state...

Страница 126: ...er stop must be acknowledged Number Text Effect 2341 Boiler 1 underpressure Priority effect and acknowledgement can be parameterized Supply state Urgent boiler stop must be acknowledged 2342 Boiler 2 underpressure Priority effect and acknowledgement can be parameterized Supply state Urgent boiler stop must be acknowledged 2343 Boiler 3 underpressure Priority effect and acknowledgement can be param...

Страница 127: ...e Not urgent no boiler stop must be acknowledged and reset 2365 K5 flue gas overtem perature Priority and effect can be parameterized Supply state Not urgent no boiler stop must be acknowledged and reset 2366 K6 flue gas overtem perature Priority and effect can be parameterized Supply state Not urgent no boiler stop must be acknowledged and reset Number Text Effect 2401 K1 pump overload Nonurgent ...

Страница 128: ...owl edged and reset No aggregate stop boiler 1 2432 K2 pump B no flow Nonurgent message must be acknowl edged and reset No aggregate stop boiler 2 2433 K3 pump B no flow Nonurgent message must be acknowl edged and reset No aggregate stop boiler 3 2434 K4 pump B no flow Nonurgent message must be acknowl edged and reset No aggregate stop boiler 4 2435 K5 pump B no flow Nonurgent message must be ackn...

Страница 129: ...r switch on temperature Boiler switch off temperature Actual value return temp Return temperature min Burner hours run Burner start counter Release input Flue gas temperature Flue gas temperature maximum Flue gas temperature limit value Flue gas measuring mode Checkb signal burner Checkb sign shutoff valve Current burner output Individual operation or Main menu Boiler Inputs Setpoints Operating li...

Страница 130: ...erating line Adjustable values remarks Boiler pump Boiler pump B Shutoff valve Maint boiler return temp 3 pos Maint boiler return temp mod or Main menu Boiler Limitations Operating line Adjustable values remarks Boiler temperature max Boiler temperature min Protective boiler startup Boiler return temperature min Burner run time min ...

Страница 131: ...oil Heat requisition air handling HD primary controller Heat requisition heating circuits Heat requisition DHW Heat requisition precontrol Internal heating circuit HDT Heat demand transformers Main flow temp setpoit max Setpoint boost main flow Main flow temp setpoint Service level Heat requisition contact frost protection Heat requisition contact Heat requisition DC 0 10 V Heat requisition contac...

Страница 132: ...t mode shall apply room operating mode Protection must be selected for the heating circuit This ensures that depending on the contact position heat demand for the boiler sequence is switched between the weather compensated flow temperature setpoint for Comfort mode and Protection To activate the virtual heating circuit the Heating circuit setting in the extra configura tion must be parameterized t...

Страница 133: ...in a way that the heat consumer with the greatest heat demand has a valve position of 90 If the valve position is 90 the flow temperature will be increased If the valve position is 90 the flow temperature will be decreased The maximum flow temperature readjustment can be parameterized To ensure that minimum opening travel of the valve will not produce a demand for heat a switch off threshold can b...

Страница 134: ...t demand is 90 When using the Average setting the flow temperature will be readjusted such that the valve positions of the 4 largest consumers will be 90 on average This setting does not ensure that the heat demand of all consumers can be satis fied But it prevents an individual consumer from forcing the flow temperature to a high level e g because a window was left open Main menu Commissioning Ex...

Страница 135: ...rimary controller Heat requis System pump Flow temperature sensor Return temperature sensor Fault input System pump A Fault input System pump B Flow supervision System pump Heat requisition modulating DC 0 10 V Heat requisition 2 position DHW requisition 2 position Frost protection requisition 2 position System pump A System pump B Primary controller mixing valve opening Primary controller mixing ...

Страница 136: ...d 1 analog input for transmitting heat requisitions 9 2 1 Types of primary controllers If only a pump or twin pump is configured the primary controller consists of system pump control If in addition a mixing valve is configured the primary controller consists of mixing circuit control plus pump or twin pump control 3131S01 Y1 B1 M1 B7 B7 3131S02 B1 M1 Primary controller type 1 With mixing valve Pr...

Страница 137: ...of the return temperature is required a return tem perature sensor must also be configured Limitation of the return temperature is only possible with primary controller type 1 The mixing valve of the primary controller can be used for maximum or minimum limitation of the return temperature depending on the type of hydraulic system 3131S57 Y1 B1 M1 B7 3131S58 Y1 B1 M1 B7 Maximum limitation Minimal ...

Страница 138: ... indicates whether the primary controller is switched on and whether the pump runs Main menu Primary controller Plant operation Operating line Range Factory setting Preselection Auto Off Auto State Off On Cause Commissioning Requisition Frost protection for consumer Frost protection for the flow Frost protection for the plant Overtemp protection overrun Plant operation selector No requisition Fros...

Страница 139: ...t requis modulating Assign terminal Main menu Commissioning Extra configuration Primary controller Inputs Heat requisi tion 2 position Assign terminal Main menu Commissioning Extra configuration Primary controller Inputs DHW requisi tion 2 pos Assign terminal Main menu Commissioning Extra configuration Primary controller Inputs Frost prot requisition 2 pos Assign input From all requisition signals...

Страница 140: ...mal 5 140 C 70 C 2 pos setpoint DHW 5 140 C 70 C 2 pos setpoint frost prot 5 140 C 70 C 3 types of digital inputs are available Each of them can be used to preselect a fixed value for heat demand The 3 digital inputs are distinguished in the way they handle the demand for heat A signal at input 2 pos setpoint normal is handled like heat demand from a heat ing circuit A signal at input 2 pos setpoi...

Страница 141: ...s 20 s Locking signal gain 0 200 100 For more detailed information about mixing valve control and its settings refer to chap ter 5 General functions fundamentals By using the locking signal gain it is possible to predefine how intensely the primary controller shall respond to load control signals 9 6 2 Load control The primary controller can be influenced by load control signals of a heat source A...

Страница 142: ...mum of 5 minutes 9 8 2 Limitations This setting provides maximum limitation of the flow temperature setpoint This setting provides minimum limitation of the flow temperature setpoint Minimum limitation is only active when there is demand for heat Using setting none the function can be deactivated This function is only available with primary controller type 1 The rate of increase of the flow temper...

Страница 143: ... With primary controller type 1 the mixing valve maintains the former setpoint during the overrun time and the pump runs with primary controller type 2 only the pump runs during that period of time 9 8 4 Pump kick and valve kick The pump kick is a protective function that is carried out periodically It prevents pumps and or mixing valves from seizing after longer off periods For more detailed info...

Страница 144: ...e return temp C Return temperature max C Return temperature min C Heat requisition modulating not connected C Heat requisition 2 position 0 1 1 closed DHW requisition 2 pos 0 1 1 closed Frost prot requisition 2 pos 0 1 1 closed System pump overload 0 1 1 overload System pump B overload 0 1 1 overload Flow signal pump Main menu Primary controller Outputs Operating line Range System pump Off On Syst...

Страница 145: ...ow temperature sensor Return temperature sensor Room temperature sensor Room setpoint abs Room setpoint rel Room operating mode Timer function Fault input heating circuit pump A Fault input heating circuit pump B Flow supervision heating circuit pump Heating circuit pump A Heating circuit pump B Heating circuit mixing valve opening Heating circuit mixing valve closing Heating circuit mixing valve ...

Страница 146: ... can also be acquired via Konnex bus For more detailed in formation refer to subsection 13 3 2 Outside temperature Main menu Commissioning Extra configuration Heating circuit Outputs Operating line Adjustable values remarks Heating circuit pump Heating circuit pump B Mixing valve 3 pos Mixing valve modulating Main menu Commissioning Extra configuration Heating circuit Inputs Operating line Adjusta...

Страница 147: ...ol The heating circuit pump offers the same choices as all the other pumps The pump can be monitored as an individual pump optionally a twin pump can be used as a heating circuit pump For that the relevant output must be configured For more detailed information refer to section 5 8 Pump control and twin pumps 10 3 Text designations for the heating circuit Main menu Settings Heating circuit Operati...

Страница 148: ...is made available to all devices on the bus The room temperature can also be acquired by bus compatible room sensors or room units e g QAW740 and sent directly via bus The associated room zone geographical zone apartment is to be set on the sensor The room temperature signal sent via bus is received by the heating circuit provided the room zone geographical zone apartment of the transmitter and th...

Страница 149: ...ating circuit is not permitted The sensor for room temperature control of the ventilation system must be located in the room If this is not observed the heating circuit will operate with the wrong tempera ture when the ventilation plant is shut down 10 4 2 Limitation of the return temperature The heating circuit s mixing valve can be used for either maximum or minimum limita tion of the return tem...

Страница 150: ...oints will be readjusted according to the following diagram 21 C 23 C 25 C 28 C 19 C 16 C z B SpCHCmf 10 K 10 K 0 K 0 K 0 K 32 C 12 C SpHEco SpCPreC SpCCmf SpHCmf SpHPreC SpCEco SpCPrt SpHPrt 0 5 K 3131D27 C Cooling PreC Precomfort Cmf Comfort Prt Protection Eco Economy SP Setpoint H Heating The input is activated via the extra configuration Main menu Commissioning Extra configuration Heating circ...

Страница 151: ... active operating mode and a selectable fixed operating mode The input is activated via the extra configuration Main menu Commissioning Extra configuration Heating circuit Inputs Room operating mode Assign terminal Main menu Commissioning Settings or Main menu Settings Heating circuit Space heating Operating line Range Factory setting Preselected room optg mode Comfort Precomfort Economy Protectio...

Страница 152: ...ted as the master or slave For more detailed information refer to section 5 1 Time switch In the event of a power failure the operating mode of the slave is on Comfort until the master sends another signal via bus For more detailed information about ventilation refer to the Basic Documentation on the RMU7 P3140 Main menu Commissioning Extra configuration Heating circuit Functions Operating line Ra...

Страница 153: ...mbination the heating circuit can be oper ated as a slave whose room operating mode and time program are predefined by the ventilation controller It can be selected whether the setpoints for the heating circuit shall be adopted externally to be adjusted on the ventilation controller or internally to be adjusted on the heating controller The heating circuit and ventilation must be assigned to the s...

Страница 154: ...torg Room operating mode contactf External mastere The control priorities e are explained in subsection 10 5 5 Control priorities in the heating circuit Here the plant operator can select the required operating mode In operating mode the setpoint is determined by the time switch or the plant operator If required it can be switched to continuous operation with a fixed setpoint In Protection mode sa...

Страница 155: ...it will be shifted along with the Precomfort setpoint With the Protection setpoint the Comfort Precomfort and Economy setpoints are limited The effective setpoint is displayed on the service level and on the Info page Main menu Heating circuit Inputs setpoints Operating line Range Factory setting Current room temp setpoint C Room setpoint absolute C Room setpoint relative C Only if configured via ...

Страница 156: ...e holiday period Using the QAW740 room unit the plant operator can select the room operating mode via the Mode button or Timer button Messages from external switches or buttons can be read in via inputs They override the other control interventions in accordance with the control priority The required inputs must be configured in the extra configuration Using this contact it is possible to switch t...

Страница 157: ...pushbutton at digital Input Settings calendar Plant operating mode selector Special day holidays Resulting operating mode Cmf Pcf Eco Prt Holiday contact Special day contact Pump mixing valve Interventions via digital inputs Operating on the controller or room unit or via bus Wiring test Calendar Switching program Resulting operating mode Time program Cmf Pcf Eco Prt Settings 24 hour program holid...

Страница 158: ...n also override the room operating mode If 2 or more functions are triggered the function activated last will prevail k Special day contact The current 24 hour program gets overridden by the special day contact The special day pro gram is activated in the time switch l Holiday contact The current 7 day program will be overridden by the holidays contact The room operating mode can be selected Calen...

Страница 159: ...ollowing factors Room temperature setpoint Current room temperature room temperature influence For more detailed information refer to subsection 10 6 3 Influences on the flow tem perature setpoint 10 6 1 The composite and the attenuated outside temperature Identifiers used To Outside temperature Toeff Outside temperature Tofil Outside temperature filtered with the building time constant ToStrDmp O...

Страница 160: ...Factory setting Building time constant 0 200 h 20 h Main menu Heating circuit Heating curve Operating line Range Factory setting Proportion of windows 0 100 50 10 6 2 Heating curve The heating curve is defined by 2 curvepoints 1 At the design temperature Outside temperature ToDe A Flow temperature SpTFlDe B 2 At the theoretical heating limit Outside temperature ToHi C Flow temperature SpTFlHi D Sp...

Страница 161: ...opriately shifted refer to subsection 10 6 3 Influences on the flow temperature setpoint Outside temperature at the flow temperature setpoint of 20 C 20 C Outside temperature A 10 C 30 of that range 9 K Hence the inflection point is at an outside temperature of 11 C nH 1 5 nH 1 0 30 K 100 9 K 30 10 5 0 5 10 15 20 25 60 50 40 30 20 10 0 TFl TO 3131D34 38 C 32 C 20 20 C The lift at the inflection po...

Страница 162: ...ue of TFl TRw sHc 1 SpTFlDe SpTFlHi sHc ToHi ToDe Setpoint readjustment TRw 2 K TFl 60 30 sHc 15 5 1 5 TFl 2 K 1 5 1 5 K A deviation of the room temperature from the room temperature setpoint has an impact on the flow temperature setpoint only if room influence is activated Connection of a room temperature sensor does not automatically activate the room influence An LG Ni 1000 sensor can be connec...

Страница 163: ...om temperature setpoint has a minimum limitation of 5 C and a maxi mum limitation of 35 C 10 6 4 Heating limit switch The heating limit switch can restrict the amount of heat delivered to the heating circuit This prevents the waste of heating energy at higher outside temperatures To determine the heating limit the following outside temperature values are taken into consideration refer to subsectio...

Страница 164: ...r is used as an overriding function When the attenuated outside temperature exceeds the Comfort heating limit a change to summer operation will be made this also applies to Continuously Comfort 10 7 Mixing valve control 10 7 1 Control The flow temperature setpoint determined by weather compensated heating circuit control produces the effective setpoint for mixing valve control while giving conside...

Страница 165: ...ptimization functions The optimization functions are activated or influenced by the following settings Main menu Commissioning Settings or Main menu Settings Heating circuit Optimizations influences Operating line Range Factory setting Type of optimization With room model With room temp sensor With room model Forward shift on max 0 48 h 0 h Early shutdown max 00 00 06 00 h min 00 00 h min Quick se...

Страница 166: ...w the Comfort or Precomfort setpoint when occupancy according to the time program starts For that the heating circuit must be switched on at an earlier point in time If a room temperature sensor is connected the controller calculates the forward shift depending on the current room temperature Also the controller learns the necessary heating up time per K room temperature After the required room te...

Страница 167: ... setback is started when the room operating mode changes from Comfort or Precomfort to Economy or Protection The function will be terminated when the room temperature has reached the new setpoint or when a change back to Comfort mode is made If a room temperature sensor is connected the actual value room temperature is used for aborting quick setback If there is no sensor the temperature of the ro...

Страница 168: ...on increase the heating circuit pump will be deactivated When the pump is switched off the heating circuit does not call for heat When the room temperature falls below the switch off point by the amount of the room switching differential the heating circuit pump will be switched on 3131D38 off on Pump TR TRx TRw TRw TR TRSD TRw TR TR on off TRSD TRw TR t TR Temperature differential for switching t...

Страница 169: ...r heat Setting none deactivates the function The rate of flow temperature increase can be limited to a maximum heating up brake In that case the maximum rate of flow temperature setpoint increase is the set tem perature per unit of time K per hour This function prevents knocking noises in the pipework and excessive loads on the heat source Setting deactivates the function t t 2522D07 TVw TVw Maxim...

Страница 170: ...ated based on the flow temperature setpoint of the heating circuit refer to subsections 10 6 2 Heating curve and 10 6 3 Influences on the flow temperature setpoint plus an adjustable setpoint increase for the mixing valve Main menu Commissioning Settings or Main menu Settings Heating circuit Controller Operating line Range Factory setting Setp increase mixing valve 0 50 K 10 K Setpoint increase mi...

Страница 171: ...temperature sensors in the same geographical zone Number Text Effect 10 Outside temp sensor error Nonurgent message must not be acknowledged 11 1 outside tempera ture sensor Urgent message must be acknowledged More than 1 outside sensor in the same outside temperature zone 12 Outs sensor simula tion active Nonurgent message must not be acknowledged Number Text Effect 5401 Room master failure in pl...

Страница 172: ...selection cur rent room operating mode and interventions Room setpoint absolute C Room setpoint relative C Actual value return temp C Return temperature max C Return temperature min C Room operating mode Timer function Heating circuit pump overload 0 1 1 overload Heating circuit pump B overload 0 1 1 overload Flow signal pump Main menu Heating circuit Outputs Operating line Adjustable values remar...

Страница 173: ...iness card 11 2 Configuration Function block Miscellaneous is automatically provided for all basic types To activate the function block no special basic configuration is required The functions required for the plants can be activated in the extra configuration Main menu Commissioning Extra configuration Miscellaneous Inputs Operating line Adjustable values remarks Outside temperature Special day i...

Страница 174: ...lers as a function of the outside temperature The outside temperature can be provided by different sources It is locally connected to a terminal It is delivered via bus The following variants are available Variant Effect Diagram Outside temperature locally at terminal Communication outside temperature not active Controller operates with its own outside temperature No impact on the bus T Outside te...

Страница 175: ...it is also the simulated outside temperature that is used for the composite and the attenuated outside temperature The simulation is not automatically terminated no time out supervision The inputs should only be overridden by qualified staff and within a limited period of time only During the simulation fault status message Outside sensor simulation active appears This message is present until the...

Страница 176: ...er Operating line Range Factory setting Display input 1 C g kg kJ kg W m2 m s bar mbar Pa ppm Universal 000 0 Universal 0000 Digital C Display input 2 Like display input 1 C Display input 3 Like display input 1 C Display input 4 Like display input 1 C For detailed information about resolution type of sensor etc refer to subsection 3 4 8 Configuration of the universal inputs and outputs The type of...

Страница 177: ...131D15 on off TOon TO SD TOoff off Deactivation on Activation SD Switching differential TO Current outside temperature The relay contact closes when the current outside temperature falls below the level of Switch off point minus switching differential The relay contact will be opened again when the outside temperature returns to a level above the switch off point Switch off point 5 C Switching dif...

Страница 178: ... the main flow sensor To signal faults 2 relays can be configured as fault outputs d d B d V 3132Z20 d d d Q Q x x 1 2 x x 3 4 d d d d d d pump Water shortage 1 Overpressure 2 Underpressure 3 Relay 1 Relay 2 Faults Burner Burner Boiler Shutoff valve Water shortage 1 Overpressure 2 Underpressure 3 Boiler sequence manager 12 2 Configuration In the extra configuration a maximum of 4 universal fault i...

Страница 179: ...lit and does not extinguish when making acknowledgements a fault status message is still pending The acknowledgement is to be made according to the following pattern Acknowledge the fault relay only if a fault relay has been configured Acknowledge all fault status messages present in the device Fault status messages with self holding can only be reset when the fault is no longer present Faults can...

Страница 180: ... for example 12 4 3 Plant behavior There are Faults with plant stop or aggregate stop Faults without plant stop or aggregate stop Whether a fault leads to an aggregate stop e g shutting boiler down and deactivating pumps or a plant stop shutting all boilers down depends on the type of fault Faults of a boiler or faults of a boiler pump also lead to shutdown of the relevant boiler A fault of the bo...

Страница 181: ...t must be acknowledged 3131B10 Fault going No fault not acknowledged LED dark LED flashes Acknowledge fault Fault going LED flashes LED lit No fault acknowledged Faulty acknowledged Faulty not acknowledged Acknowledge fault Fault coming The LED flashes as long as the fault is not acknowledged If the fault is still present the LED will be lit after acknowledgement 3131B11 Fault going Faulty acknowl...

Страница 182: ...tive function blocks 12 7 Fault inputs 12 7 1 Universal fault inputs The RMK770 provides 4 universal fault inputs These can be activated in the extra configuration Analog or digital inputs can be defined as fault inputs Inputs D1 and D2 at the RMK770 can only be used as digital fault inputs If the input is not assigned to an input that has already been configured the input identifier and thus the ...

Страница 183: ...The texts can be adapted Signal at the fault input Fault status mes sage 3131D31 Signal delay The fault status signal delay is used to set the period of time a fault must be pending to be handled as such Parameter setting Stop at the universal fault inputs means that the entire boiler se quence will be shut down Number Text Effect 9001 Aux 1 Effect in accordance with the settings 9002 Aux 2 Effect...

Страница 184: ...undershoot Limit value fault on 10 C Limit value fault off 12 C If the temperature falls below 10 C a fault is identified if it returns to a level above 12 C the fault is considered removed ERROR OFF ON 3132D13 12 8 Communication When communication is activated the impact on fault handling is as follows Fault status messages are always delivered via bus and can be further handled by other Synco 70...

Страница 185: ... urgent Fault source Internal Bus Internal The fault relay only remains energized until the fault is acknowledged The fault button is lit until the fault is corrected The following illustration shows a possible configuration Problem 2 relays are configured as fault relay 1 and fault relay 2 Fault relay 1 shall indicate all internal fault status messages having the priority urgent Fault relay 2 sha...

Страница 186: ...e bus 12 11 Cancellation of all fault status messages Using menu item Delete faults the Fault history list can be canceled Main menu Faults Operating line Remarks Delete faults Current faults will be reset the Fault his tory list will be canceled When activating this function all other fault status messages will also be reset Hence only pending faults continue to be displayed If the kind of acknow...

Страница 187: ...agnostics and the wiring test logic states are displayed 1 indicates that the fault input is active When selecting Normal position open this is the case when the contact is closed when selecting Normal position closed this is the case when the contact is open Main menu Miscellaneous Outputs Operating line Range Fault relay 1 Off On Fault relay 2 Off On Main menu Faults Faults current Operating lin...

Страница 188: ...ral bus power supply Off On On Clock time operation Autonomous Slave Master Autonomous Remote setting clock slave Yes No Yes Remote reset of fault Yes No No The settings made here are also displayed under Main menu Device informations Communication Basic settings Every bus user must have its individual device address Device addresses 254 and 255 are reserved for special functions With device addre...

Страница 189: ... self holding may also be reset from a remote location or whether self holding must always be reset with the local push button 13 2 Generation zone and boiler sequence zone For data exchange between the boiler sequence manager and the individual boilers the generation zone is of importance If more than 1 RMK770 is required for the control of the boiler sequence the same boiler sequence zone must b...

Страница 190: ...ess 1 boiler 2 boiler address 2 etc In normal situations no changes are required here When in the above example boilers 1 and 2 are assigned to the first RMK770 boilers 3 and 4 of the second RMK770 should also be called boilers 3 and 4 Hence they are automatically given boiler addresses 3 and 4 and appear as boilers 3 and 4 on the info level of the controller with the boiler sequence manager If on...

Страница 191: ...be defined The boiler sequence manager receives the heat demand signals from these 2 heat distribution zones The setting whether the possibly existing internal heating circuit in the RMK770 shall be linked to the primary controller or main distributor is not made on the Communication menu but on the following menu Main menu Commissioning Extra configuration Heating circuit Operating line Range Fac...

Страница 192: ... 5001 System time failure Clock time master is missing or cannot be re ceived Nonurgent message must not be acknowledged 5002 1 clock time master There is more than 1 clock time master present Nonurgent message must be acknowledged 5003 Invalid time of day Time of day on the clock time master must be readjusted Reserve has elapsed Nonurgent message must not be acknowledged 5101 Syst time switch fa...

Страница 193: ...ress 2 Nonurgent message must be acknowledged 5532 1 boiler with ad dress number 3 2 boilers with boiler address 3 Nonurgent message must be acknowledged 5542 1 boiler with ad dress number 4 2 boilers with boiler address 4 Nonurgent message must be acknowledged 5552 1 boiler with ad dress number 5 2 boilers with boiler address 5 Nonurgent message must be acknowledged 5562 1 boiler with ad dress nu...

Страница 194: ...Urgent message must be acknowledged 12 Outs sensor simula tion active Simulation of the outside temperature is still ac tive Simulation of the outside temperature may only temporarily stay active Nonurgent message must not be acknowledged 50 HC 1 flow sensor error Nonurgent message must be acknowledged 51 HC 1 return sensor error Error return temperature sensor heating circuit 1 Nonurgent message ...

Страница 195: ...perature sensor boiler 5 326 B6 flue gas temp sensor error Error flue gas temperature sensor boiler 6 330 Main flow sensor error Urgent message must be acknowledged and reset 331 Main return sensor error Nonurgent message must be acknowledged no plant stop 332 Boiler seq MBRT sensor error Nonurgent message must be acknowledged no plant stop 333 Consumer return sensor error Nonurgent message must b...

Страница 196: ... urgent boiler stop must be acknowledged 2323 Boiler 3 water shortage Priority effect and acknowledgement can be parameterized default urgent boiler stop must be acknowledged 2324 Boiler 4 water shortage Priority effect and acknowledgement can be parameterized default urgent boiler stop must be acknowledged 2325 Boiler 5 water shortage Priority effect and acknowledgement can be parameterized defau...

Страница 197: ...of boiler 2 2353 B3 valve no check back signal Urgent must be acknowledged and reset aggre gate stop of boiler 3 2354 B4 valve no check back signal Urgent must be acknowledged and reset aggre gate stop of boiler 4 2355 B5 valve no check back signal Urgent must be acknowledged and reset aggre gate stop of boiler 5 2356 B6 valve no check back signal Urgent must be acknowledged and reset aggre gate s...

Страница 198: ... be acknowledged and reset no aggregate stop of boiler 4 2415 B5 pump no flow Not urgent must be acknowledged and reset no aggregate stop of boiler 5 2416 B6 pump no flow Not urgent must be acknowledged and reset no aggregate stop of boiler 6 2421 B1 pump B overload Not urgent must be acknowledged and reset no aggregate stop of boiler 1 2422 B2 pump B overload Not urgent must be acknowledged and r...

Страница 199: ...eset 2492 Main pump B over load Nonurgent message must be acknowledged and reset 2493 Main pump no flow Nonurgent message must be acknowledged and reset 2494 Main pump B no flow Nonurgent message must be acknowledged and reset 2495 Main pump fault Urgent message must be acknowledged and reset 2501 Primary controller Pump A Fault Over load 2502 System pump B overload 2503 System pump no flow 2504 S...

Страница 200: ...aster failure in plant 1 Room master for the room control combination is missing or cannot be received Nonurgent message must not be acknowledged 5402 1 room master 1 1 room master for plant 1 in the same geo graphical zone Nonurgent message must be acknowledged 5411 Room master failure in plant 2 Room master for the room control combination for plant 1 is missing or cannot be received Nonurgent m...

Страница 201: ... call and confirm by pressing the OK knob The language changes to English 3 Select your language from the Settings Device Language menu The device is completely switched off Operation locked Remote operation appears How do I start the device again Remote operation OCI700 1 set the device to commissioning mode which has locked local operation If the device is not corrected restarted via remote oper...

Страница 202: ...controller RMK770 Q7 relay output 15 1 2 Code letters Physical inputs and outputs are marked with capital letters Code letter Explanation N Boiler sequence controller RMK770 A5 Universal module RMZ785 A7 Universal module RMZ787 A7 Universal module RMZ788 A9 Universal module RMZ789 D Digital input X Universal input Q Switching load changeover or N O contact Y Analog output DC 0 10 V 3P 3 position o...

Страница 203: ... R e t u r n c lo s e o p e n Heat requis F lo w R e tu r n R o o m R o o m r e l T im e r R o o m a b s O p e ra tin g m o d e Main distributor Primary controller Heat requis acting on max min Return temp limit c lo s e o p e n R e la y 1 R e la y 2 Faults Heating circuit Boiler 1 Modulating S h u to ff v a lv e F lu e g a s B u r n e r C u r r b u r n e r o u t p S e tp o in t c o m p Stage R e ...

Страница 204: ...e Water shortage 1 Overpressure 2 Underpressure 3 Individual operation Burner close open Boiler Return close open dig dig Autonom Shutoff valve Boiler pump MBRT Main pump Maint boiler return temp Boiler 2 Modulating Shutoff valve Flue gas Burner Curr burner outp Setpoint comp Stage Release Flue gas mode Water shortage 1 Overpressure 2 Underpressure 3 Burner close open Boiler Return close open Shut...

Страница 205: ...ut Fault input 1 Fault input 2 Fault input 3 Main pump overload Main pump B overload Flow signal pump Heat requis modulating Heat requisition 2 position DHW requisition 2 pos Frost prot requisition 2 pos Outputs Main pump Main pump B Maint boiler return temp 3 pos Maint boiler return temp mod Boiler 1 Inputs Boiler sensor Return sensor Release input Checkb signal burner Checkb sign shutoff valve F...

Страница 206: ...overload System pump B overload Flow signal pump Heat requis modulating Heat requisition 2 position DHW requisition 2 pos Frost prot requisition 2 pos Outputs System pump System pump B Mixing valve 3 pos Mixing valve modulating Functions Type of return temp limitation Heat requisition Heat requisition acting on Heating circuit Flow sensor Room sensor Return sensor Heat circuit pump overload Heat c...

Страница 207: ... Fault input 2 Fault input 3 Fault input 4 Inputs Fault input 1 Fault input 2 Fault input 3 Fault input 4 Outputs Fault relay 1 Fault relay 2 Settings See Main menu settings Communication Basic settings Device address Decentral bus power supply Clock time operation Remote setting clock slave Remote reset of fault Generation zones Boiler sequence zone Boiler 1 boiler address no Boiler 2 boiler addr...

Страница 208: ...ss number 2nd lag boiler Address number 3rd lag boiler Address number 4th lag boiler Address number 5th lag boiler Temperatures boilers 5 6 Boiler addr no 1 actual value Boiler addr no 2 actual value Boiler addr no 3 actual value Boiler addr no 4 actual value Boiler addr no 5 actual value Boiler addr no 6 actual value Inputs setpoints Main flow temp actual value Main flow temp setpoint Main return...

Страница 209: ...lection test mode Boil setp test mode Modulation value test mode Actual value boiler temperature Inputs setpoints Release input Individual operation only at boiler 1 Actual value boiler temperature Boiler temperature setpoint Actual value return temp Return temperature min Checkb sign shutoff valve Boiler pump overload Boiler pump B overload Flow signal pump Fault burner Checkback signal burner Bu...

Страница 210: ... Boiler 4 like boiler 1 7 Boiler 5 like boiler 1 8 Boiler 6 like boiler 1 9 Primary controller 135 Plant operation Preselection State Cause Inputs setpoints Actual value flow temp Flow temperature setpoint Return temp actual value Return temperature max Return temperature min Heat requis modulating Heat requisition 2 position DHW requisition 2 pos Frost prot requisition 2 pos System pump overload ...

Страница 211: ...oportion of windows Plant operation Preselection State Cause Inputs setpoints Composite outside temp Attenuated outside temp Actual value flow temp Flow temperature setpoint Room sensor temp Actual value room temp Room temperature 1 bus Room temperature 2 bus Room temperature model value Current room temp setpoint Room setpoint absolute Room setpoint relative Actual value return temp Return temper...

Страница 212: ...nput 1 Display input 2 Display input 3 Display input 4 Fault input 1 Fault input 2 Fault input 3 Fault input 4 Outputs Outside temperature relay Fault relay 1 Fault relay 2 13 Holidays special day 60 Calendar Entry 1 Entry 2 Entry 3 Room operating mode holidays DHW operating mode holidays 14 Time of day date 53 Time of day Date Year Summer time start Winter time start 15 Faults 178 Faults current ...

Страница 213: ...int normal 2 pos setpoint DHW 2 pos setpoint frost prot Heat req primary contr Modulating setpoint at 0 V Modulating setpoint at 10 V Modulating limit value 2 pos setpoint normal 2 pos setpoint DHW 2 pos setpoint frost prot RMK770 X1 Type reference Type reference Value low Value high Correction Normal position RMK770 X2 Type reference Type reference Value low Value high Correction Normal position ...

Страница 214: ...ce integral Upward sequence delay Shortened upward seq DHW Downward sequence output limit Boiler setpoint boost max Changeover interval lead boiler Changeover day Changeover time Lead boiler fixed Boiler seq strategy Setpoint boost main flow Main pump operation lock signal Twin pump Run priority Changeover period Fault settings Overload pump Fault acknowledgement Fault acknowledgement B Fault inpu...

Страница 215: ...priority Changeover period Fault settings Checkb sign shutoff valve Signal delay start Fault burner Fault acknowledgement Checkback signal burner Signal delay start Signal interruption operation Impact of fault Overload pump Fault acknowledgement Fault acknowledgement B Fault input 1 Fault text Impact of fault Fault acknowledgement Fault priority Fault status signal delay Fault input 2 Fault text ...

Страница 216: ...e Tv Return control Actuator running time P band Xp Integral action time Tn Boiler 2 like boiler 1 Boiler 3 like boiler 1 Boiler 4 like boiler 1 Boiler 5 like boiler 1 Boiler 6 like boiler 1 Primary controller Primary controller Setp boost primary controller Twin pump Run priority Changeover period Fault settings Overload pump Fault acknowledgement Fault acknowledgement B Limitations Flow temperat...

Страница 217: ... settings Overload pump Fault acknowledgement Fault acknowledgement B Limitations Room limitation boost Room lim switching differential Flow temperature rise max Flow temperature max Flow temperature min Return temperature max Return temperature min Frost protection for the plant Controller 1 Setp boost mixing valve Actuator run time P band Xp Integral action time Tn Tn return temp limitation max ...

Страница 218: ...y Fault acknowledgement Fault priority Impact of fault Limit value fault on Limit value fault off Fault relay 1 Fault priority Fault source Fault relay 2 Fault priority Fault source Protective functions Frost prot for plant ON cycling Frost prot for plant ON cont Kick day Kick time Pump valve kick Texts Device name File name Display input 1 Display input 2 Display input 3 Display input 4 Business ...

Страница 219: ...d to switch from the Info level back to the start page Boiler sequencing Addr no Release Burner Faults Boiler sequence manager State Cause Number of avail boil Boiler sequence manager Main flow temp actual value Main flow temp setpoint Main return temp actual value MBRT return temp actual value MBRT return temp minimum Boiler 1 Actual value boiler temperature Boiler temperature setpoint State Caus...

Страница 220: ... Appendix 01 03 2005 Display values Actual value outside temp Display input 1 Display input 2 Display input 3 Display input 4 Fault inputs Fault input 1 Fault input 2 Fault input 3 Fault input 4 Device state Fault number Fault status signal bus Fault number Device address Service information ...

Страница 221: ...r control 107 burner cycling protection 108 burner hours run counter 123 burner output 123 burner running time 107 burner stage 2 control 108 burner start counter 123 burner types 102 bus power supply decentral 188 business card 56 C calendar entry 62 changeover delay 72 changeover logic 72 checkback signal burner 101 checkback signal shutoff valve 101 clock time master 54 clock time operation 53 ...

Страница 222: ... protection for the plant 63 94 frost protection for the plant heating circuit 169 frost protection boiler release 81 function block boiler sequence management 74 function block boiler temperature control 98 function block faults 178 function block heating circuit control 145 function block miscellaneous 173 function block primary controller 135 function blocks 32 G general functions 58 generation...

Страница 223: ...erating elements on the extension modules 15 operating elements on the operator unit 16 operating levels 17 operation 15 optimization heating circuit 165 optimization minimum boiler temperature 116 optimum start control 166 optimum stop control 166 order of extension modules 35 order switching on off of boilers 79 output assignment 25 output balance 87 outside sensor 43 174 outside temperature 158...

Страница 224: ... pointer function 119 software version 48 special day input 43 62 special days 60 61 standard fault 179 181 storage 14 summer wintertime changeover 53 supervision of flow 73 suppression units 31 sustained mode 85 switching boilers off 87 switching boilers on 86 switching on off of boilers 79 synchronization pulse 70 T temperature units 55 temperature time integral 86 87 terminal assignment 31 term...

Страница 225: ...225 226 Building Technologies Boiler Sequence Controller RMK770 CE1P3132en HVAC Products 01 03 2005 ...

Страница 226: ...r RMK770 CE1P3132en HVAC Products 01 03 2005 Siemens Switzerland Ltd Building Technologies Group HVAC Products Gubelstrasse 22 CH 6301 Zug Tel 41 41 724 724 24 24 Fax 41 41 724 724 35 22 www sbt siemens com 2005 Siemens Switzerland Ltd Subject to alteration ...

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