Siemens RVA63.280 Basic Documentation
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Siemens RVA63.280 Basic Documentation

Boiler and heating circuit controllers
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RVA63.280, RVA53.280
Boiler and Heating Circuit Controllers
Basic Documentation
Edition 1.3
Controller series B
Siemens Building Technologies
CE1P2374E
Landis & Staefa Division
19.04.2001

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Summary of Contents for Siemens RVA63.280

  • Page 1 RVA63.280, RVA53.280 Boiler and Heating Circuit Controllers Basic Documentation Edition 1.3 Controller series B Siemens Building Technologies CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 2 2/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 3: Table Of Contents

    Preselection of weekday for time switch program 3 (d.h.w.) ......49 1.14 Switching times of time switch program 3 (d.h.w.) ........50 D.h.w. values ......................... 51 3/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Summary 19.04.2001...
  • Page 4 Display of flow temperature setpoint (TVw) ...........78 2.19 Floor curing data....................79 Heat generating equipment....................80 2.20 Type of heat source ..................80 2.20.1 No heat generation or BMU ................80 2.20.2 Multi-stage burners ..................80 4/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Summary 19.04.2001...
  • Page 5 Display of LPB power supply............... 115 2.48 Range of action of central changeover............116 2.49 Automatic summer / winter changeover ............117 2.50 Central stand-by switch ................118 5/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Summary 19.04.2001...
  • Page 6 Control mode of actuator ................147 3.17 Switching differential of actuator..............148 3.17.1 Control of mixing valve actuator ..............148 3.18 Overtemperature protection for the pump heating circuit ......149 6/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Summary 19.04.2001...
  • Page 7 Legend to plant types .................. 177 Electrical connections.................. 177 Dimensions....................178 6.1.1 Panel cut-out ....................178 6.1.2 Combination of controllers................178 Technical data ..................... 179 7/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Summary 19.04.2001...

  • Page 8: Summary

    • Protection for the pump and the mixing valve through periodic control (pump and valve kick) • Adjustable minimum and maximum limitation of flow temperature • Protection against overtemperatures in the pump heating circuit 8/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 9 • Logging the number of burner starts of stages 1 and 2 • Logging the flue gas temperature • Display of plant diagram no. Not with RVA53.280 9/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 10: Range Of Products

    Burner (5 poles) AGP3S.03B Pumps (3 poles) brown AGP3S.03K Actuator (3-poles) green AGP3S.04F Pumps (4 poles) orange AGP3S.03K Actuator 2 (3 poles) green Not with RVA53.280 10/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 11: Field Of Use

    “Local Process Bus (LPB), Basic Documentation, System Engineering“ (document no. CE1P2370E) must be satisfied • The local regulations (for installation, etc.) must be complied with 11/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 12: Handling

    • Plug the connectors into the respective sockets at the rear of the controller è Note: The connectors are coded to make certain they cannot be mixed up. 12/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 13 è Note: Tighten the screws only slightly, applying a torque of maximum 20 Ncm. When tightening the screws, the fixing levers automatically assume their correct positions. 13/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 14: Required Cut-Out

    30° and there must be a clearance of at least 10 mm above and below the cooling slots. This allows the controller to emit the heat generated during operation. 14/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 15: Electrical Installation

    2.2.2 wiring When using prefabricated cables with connectors, the electrical installation is very straightforward, owing to coding. Rear of controller Note 2.2.2.1 Connection terminals of RVA63.280 2374A01 2.2.2.2 Connection terminals of RVA53.280 2374A08 15/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis &...
  • Page 16 AGP3S.05D Burner stage 2 Phase burner stage 2 Burner stage 1 Phase burner stage 1 Live AC 230 V (mains connection) AGP3S.02D black Neutral (mains connection) 16/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 17: Commissioning

    Note: If no button is pressed for about 8 minutes, the controller will automatically return to the operating mode selected last. 17/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 18 Display The pointer below the symbol indicates the output activated The number indicates the current test step The number indicates the selected setting line 18/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 19 The selected sensor values are updated within a maximum of 5 seconds. Note An open-circuit is displayed as – – –. A short-circuit is displayed as o o o. 19/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 20 Display The number indicates the current test step Displayed value of the temperature measured The number indicates the selected setting line 20/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 21: Parameter Settings For The End-User

    "End-user”. è Note: If no button is pressed for about 8 minutes, the controller will automatically return to the operating mode selected last. 21/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 22: Overview Of End-User Parameters

    Actual value of outside temperature (TAx) -50...+50 °C To reset the attenuated outside temperature to TAx, press the + and - buttons simultaneously for 3 seconds. 22/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 23 To reset the selected holiday period, press the + and - buttons simultaneously for 3 seconds. Service Indication of BMU error code 0...255 0...255 Error code Indication of faults 0...255 23/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 24: Parameter Settings For The Heating Engineer

    "Heating engineer”. è Note: If no button is pressed for about 8 minutes, the controller will automatically return to the operating mode selected last. 24/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 25: Overview Of Heating Engineer Parameters

    Display of nominal room temperature 0...35 °C setpoint Nominal setpoint incl. room unit readjustment Display of room temperature setpoint (TRw) 0...35 °C Display of flow temperature setpoint 0...140 °C 25/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 26 No forwarding shift Type of building construction 0 / 1 Heavy Light Adaption of heating curve 0 / 1 Inactive Active Gain of locking signal 0...200 26/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 27 Central changeover of all heating circuits Central stand-by switch 0 / 1 Clock mode 0...3 Autonomous clock System time without adjustment (System time with adjustment) System clock (master) 27/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 28 Changeover of operating mode HC2 This line is active only if the unit is addressed as the heat generation master. Also refer to "LPB device address" in Index. 28/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 29: Parameter Settings For The Oem

    Whether correct or incorrect, each push of a button will be adopted as a digit of the code. As a confirmation, the respective digit changes to 1. 29/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 30: Overview Of Oem Parameters

    -2...+4 °C Adaption sensitivity 1 (ZAF1) 1...15 Adaption sensitivity 2 (ZAF2) 1...15 P-band mixing valve (Xp) 1...100 °C (K) Integral action time mixing valve (Tn) 10...873 30/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 31 0...2 Continuously Partly Service Continuous display 0 / 1 Weekday / time of day Actual value of boiler temperature Software version 00.0...99.0 Device operating hours 0...500000 31/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 32: Operation

    Continuous operation Stand-by Operating mode button d.h.w. D.h.w. heating ON / OFF Display Display of actual values and settings Connection facility for PC tool Diagnostics and service 32/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 33 Symbols - indication of operating state with the black pointers Display during normal control mode or when making settings Programming line when making settings Heating program of current day 33/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 34: Operational Faults

    • Check setting of the electromechanical control thermostat (TR) installed on the boiler. It must be above the TKmax setting • Check setpoint of the d.h.w. temperature • Check actual value of the d.h.w. temperature 34/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 35 • Check the sensor connected to A6, A7 (input test) 2.8.1.12 Fault status signal; display shows "ER" • For cause of error, refer to section "Parameter settings for end-user" on line 50 35/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 36: Description Of End-User Settings

    • Temperature according to frost protection • Protective functions active • Changeover on room unit inactive • Automatic summer / winter changeover (ECO functions) and automatic 24-hour heating limit active 36/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 37 Changeover of the operating mode on the room unit is active only when the controller is in automatic mode The room temperature is transmitted to the controller via PPS, independent of the selected operating mode. 37/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 38: Operating Mode Of D.h.w. Heating

    • Assignment of d.h.w. heating • Reduced setpoint of d.h.w. temperature • D.h.w. heating program • D.h.w. charging • Type of d.h.w. demand 38/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 39: Nominal Room Temperature Setpoint

    During the heating periods, the nominal room temperature setpoint is maintained. The heating periods are in accordance with the settings made on lines 6 through 11. 39/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 40: Temperature Adjustment Via Room Unit

    22 °C (inactive) Setpoint adjustment on the room unit’s line 19 °C Adjustment made with the controller’s setpoint knob + 2 °C Resulting setpoint 21 °C 40/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 41: Heating Circuit Selection Button

    Display The heating circuit selection button has 2 LEDs, one at the top and one at the bottom of the button, indicating the heating circuit selected. 41/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 42: Chimney Sweep

    In the case of a BMU, the loads will immediately be released. Display 42/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 43: Manual Operation

    Mixing valve outputs Y1 / Y2, Y5 / Y6 OFF (de-energized) Note The following functions are no longer active in manual operation: maximum limitation of boiler temperature: Display 43/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 44: Setting The Clock

    The time switch will be set to the selected weekday. This setting is important to make certain the controller’s heating program will operate correctly. Monday Friday Weekday table Tuesday Saturday Wednesday Sunday Thursday 44/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 45: Date (Day, Month)

    The year of the controller will be based on this setting. This setting of year is important to make certain the controller’s holiday program and summer- / wintertime changeover will operate correctly. 45/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 46: Time Switch Programs 1 And 2

    First, choose the 7-day block (1-7) to enter the switching times that apply to the majority of days; then, select the individual days (1...7) to make the required adjustments. 46/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 47 Example: 24 h 47/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 48: Switching Times Of Time Switch Programs 1 And 2

    In AUTO mode, the time switch program can be set on both the controller (as described above) and on the QAA70 room unit. It is always the last action that is active. 48/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 49: Time Switch Program 3 (D.h.w.)

    Entry of the switching times on lines 20 through 25 is made only for the individual day selected here Example: For an example, refer to the graph in the previous section “Time switch program 1". 49/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 50: Switching Times Of Time Switch Program 3 (D.h.w.)

    – – : – – Reduced setpoint Switch-on time period 3 – – : – – Nominal setpoint Switch-off time period 3 – – : – – Reduced setpoint 50/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 51: D.h.w. Values

    D.h.w. program The times at which these d.h.w. setpoints shall apply can be set with the d.h.w. program on line 121. 51/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 52: Heating Circuits

    With this setting, the reduced room temperature setpoint will change to the level required outside the heating periods The heating periods are in accordance with the settings made on lines 6 through 11. Example 2373Z11 24 h 52/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 53: Frost Protection Setpoint Of Room Temperature (Trf)

    This means that the frost protection setpoint of the room temperature will be maintained. 2373Z10 °C Room temperature setpoint setting ranges Setting "Reduced room temperature setpoint” Setting "Frost protection setpoint of room temperature” 53/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 54: Summer / Winter Changeover Temperature Hc1 And Hc2 (Thg)

    Also refer to “attenuated outside temperature” in Index. Heating OFF (from winter to summer) TAged > THG + 1°C Heating ON (from summer to winter) TAged < THG - 1°C 54/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 55 TAged °C THG +1 °C THG -1 °C Changeover between summer and winter operation TAged Attenuated outside temperature Summer / winter changeover temperature Temperature Time Heating 55/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 56: Slope Of Heating Curve (S)

    Note Comfort is considerably enhanced when using a room sensor. 27,5 22,5 °C 17,5 12,5 °C Heating circuit diagram Flow temperature Composite outside temperature 56/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 57 The flow temperature setpoint determined in this way serves as a setpoint request for setpoint generating the boiler temperature setpoint. Also refer to "generation of boiler temperature setpoint" in Index. 57/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 58: Display Of Actual Values

    Sensor with short-circuit Note For more detailed information about resetting the attenuated outside temperature to the actual room temperature, refer to "attenuated outside temperature" in Index. 58/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 59: Display Of Burner Data

    This information makes it possible to determine if: − the plant is correctly sized − the burner has become dirty 59/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 60: Burner Hours Run Stage 2 (Tbr2)

    The number of burner starts is written to non-volatile memory at 2-hour intervals or whenever there is a power failure. 60/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 61: Number Of Burner Starts Stage 2

    K5. Display of the number of burner starts is updated each time the burner is started The number of burner starts is written to non-volatile memory at 2-hour intervals or whenever there is a power failure. 61/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 62: Maintenance

    – – : – – Period 3 ON – – : – – Period 3 OFF – – : – – Time switch program 1 or 2 62/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 63: Holidays

    The holiday function of the room unit is taken into consideration but the entries made on the controller have priority. 1.27 Holiday period Setting Display Unit 1...8 1.28 Beginning and end of holiday period Setting Display Unit 01.01...31.12 Day.Month 63/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 64: Indication Of Bmu Error Code

    The BMU displays error code 175. Note If there is a BMU error code, operating line 50 also displays a general BMU fault (error code 150). 64/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 65: Indication Of Faults

    Address collision on LPB (same address several times) Short-circuit PPS (A6) Short-circuit PPS (A7) 2 clock masters present Inadmissible LPB device or segment number Inadmissible plant configuration General BMU fault Fault contact H2 65/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 66 The last 2 digits indicate the device address of the faulty device (.01). Display Example of a display after a fault has occurred: “ER“ indicates that a fault has occurred. Press to indicate the faults. 66/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 67: Description Of Heating Engineer Settings

    Heating circuit pump HC2 (Q6) is activated Test step 9 Mixing valve HC2 OPEN (Y5) is activated Test step 10 Mixing valve HC2 CLOSED (Y6) is activated 67/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 68: Input Test

    Display of the flue gas temperature acquired with sensor B8 Testschritt 9 Display of input H1 according to the function selected on line 170 [°C / 000 / - - -]. 68/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 69: Display Of Plant Type

    Input signal at B1/B12 − Setting operating line “Heating curve slope HK2” (line 30) - or value between 2.5 and − Setting the type of heat source (line 80) 69/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 70: Actual Values

    If the controller is used in a zone, it is the actual value delivered via LPB. Setting Display Unit 0...140 °C 70/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 71: Actual Value 1 Of D.h.w. Temperature (Tbwx)

    In the event of an open-circuit or short-circuit of the sensor, the display maintains the maximum temperature value last measured. This value can be reset after rectification of the fault. 71/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 72: Attenuated Outside Temperature (Taxged)

    Also refer to "composite outside temperature" in Index. Setting Display Unit -50...+50 °C 2.11 Composite outside temperature (Taxgem) Description Also refer to "attenuated outside temperature" in Index. Setting Display Unit -50...+50 °C 72/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 73: Outside Temperature Source

    No outside sensor signal 01.02 Address of outside sensor The first 2 digits represent the segment number (01.) The second 2 digits represent the device number (.02) 73/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 74: Setpoints

    The setpoint can only be displayed, but not changed. The function helps better understand the control sequences taking place in the controller. No setpoint is displayed (---) when there is no heat demand from the consumers. 74/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 75: Display Of D.h.w Temperature Setpoint

    No value (---) is displayed in the following situations: − No d.h.w. heating available − D.h.w. heating is switched off (button for d.h.w. heating OFF or holidays) 75/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 76: Display Of Nominal Room Temperature Setpoint

    The resulting nominal room temperature setpoint is made up of the adjusted setpoint temperature setpoint and a readjustment that may have been made on the room unit: Also refer to "nominal room temperature setpoint" in Index. 76/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 77: Display Of Room Temperature Setpoint (Trw)

    • Frost protection setpoint of room temperature (operating line 28) • Readjustments made on the room unit (QAA50 / QAA 70) Note If there is no heating circuit, the display shows “---“. 77/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 78: Display Of Flow Temperature Setpoint (Tvw)

    − No heating circuit available − ECO function active (summer / winter changeover, automatic 24-hour heating limit) − Quick setback active − Room temperature limitation active 78/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 79: Floor Curing Data

    The current values of the floor curing function are displayed here. The function itself is activated under setting 116. Setting Display Unit (Inactive) 0...32 0...95 Example 79/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 80: Heat Generating Equipment

    For burner control, minimum limitation of the burner running time is considered to ensure no unnecessary cycling takes place in part load operation. 80/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 81: Minimum Limitation Of Boiler Temperature (Tkmin)

    Legend boiler temperature °C Boiler temperature setpoint Tkmin Minimum limitation of boiler temperature Switching differential TAgem composite outside temperature °C 81/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 82: Extra Heating For The Bathroom

    When automatic summer / winter changeover of the pump heating circuit has responded, extra heating for the bathroom will also be switched off. 82/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 83: Heating Circuit

    Each setpoint readjustment, be it via the setting value or the operational level, is a parallel displacement of the heating curve. °C °C Flow temperature Composite outside temperature Room temperature setpoint 83/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 84: Room Influence

    • There may be no controlled thermostatic radiator valves in the reference room. (If such valves are present, they must be set to their fully open position). 84/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 85: Switching Differential Of Room Temperature (Sdr)

    TRw =TRw + SDR Actual value of room temperature Room temperature setpoint Switching differential of room temperature Setpoint Switching differential of room temperature Switch-on point Switch-off point °C 85/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 86: Operating Mode Of Room Unit

    Otherwise, the settings made on the room unit will be inactive. Display As soon as the operating mode on the room unit is changed, the controller's automatic button will flash. 86/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 87: Room Unit Values

    Reference room It should be considered that the room in which the room unit is installed also is the reference room for the room temperature influence. 87/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 88: Examples Of Room Unit Assignments

    This means that the room unit values shall only act on heating circuit 2. Plant types Location of heating circuits Line 103 Line 104 21/22/23/24 In the same space 88/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 89: Minimum Limitation Of Flow Temperature Setpoint (Tvmin)

    89/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 90: Maximum Limitation Of Flow Temperature Setpoint (Tvmax)

    90/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 91: Maximum Forward Shift Of Optimum Start Control

    Optimization calculates the changeover time such that, at the start of occupancy, the room temperature will have reached the nominal setpoint. 91/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 92: Without Room Influence

    - 0.25 K. The correct switch-on time is determined by adaption. 92/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 93: Maximum Forward Shift Of Optimum Stop Control

    10 minutes. If the 0.25 K are not reached, the switch-off point is shifted forward by 10 minutes (earlier shut-down). In the other case, the switch-off point is shifted backward by 10 minutes (later shut-down). 93/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 94: Type Of Building Construction

    Light building structures: The room temperature will respond quicker to outside temperature variations Building construction Heavy building structures: Buildings with thick walls or with external insulation Light building structures: Buildings with a light envelope 94/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 95: Adaption Of Heating Curve

    In this temperature range, the readjustment of the parallel displacement is weighed with factor f1 and adaption sensitivity 1. In this temperature range, the readjustment of the slope is weighted with factor f2 and adaption sensitivity 1. 95/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 96 ZAF1 ZAF2 Factor Factor for parallel displacement Factor for slope TAged Attenuated outside temperature ZAF1 Adaption sensitivity 1 (line 39 ZAF2 Adaption sensitivity 2 (line 40 96/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 97: Locking Signal Gain

    Locking signal will be considered as a reduced signal 100 % Locking signal will be adopted unchanged 101...200 % Locking signal will be considered up to twice the normal signal 97/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 98: Floor Curing

    The following graph shows the temperature profile of the selected floor curing function. [TVw] [Tag Fh + Bh Flow temperature setpoint Start day Functional heating Floor curing heating 98/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 99: Activating The Function

    The following events cause abortion of the floor curing function: The selected floor curing function is completed. Setting parameter “Floor curing function” is set to active. 99/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 100: D.h.w

    Switching times The periods of time during which these d.h.w. temperature setpoints shall be used can be set in the d.h.w. program. 100/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 101: D.h.w. Heating Program

    (also refer to "assignment of d.h.w. heating" in index). 2.37.1 24-hour operation setting 0 The d.h.w. temperature is continuously maintained at the nominal d.h.w. temperature setpoint, independent of any time switch programs. Example: 101/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 102: Operation According To The Local Time Switch Program 3 (D.h.w.) Setting

    With this d.h.w. heating program, it is possible to have a maximum of three heating periods per day. There is no forward shift of the switch-on times. Example: 102/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 103: Assignment Of D.h.w. Heating

    This means that even if the d.h.w. would have to be heated according to the d.h.w. program (line 121), the holiday function may lock d.h.w. heating. Only the frost protection function will remain active. 103/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 104: D.h.w. Charging

    The number of d.h.w. charging cycles will not be limited. With this setting, the switch-on point is shifted forward by 1 hour (against the heating circuit's on times). 104/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 105: Type Of D.h.w. Demand

    • The boost of the flow temperature setpoint of d.h.w. must be a minimum of 10 °C (has an impact on the charging time). • In that case, frost protection for d.h.w. is not ensured 105/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 106 TBWw = Nominal setpoint of d.h.w. temperature - SD = setpoint of the control thermostat minus the switching differential = setpoint of control thermostat (point of calibration) 106/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 107: Boost Of Flow Temperature Setpoint For D.h.w. Heating (Uebw)

    Reduced setpoint of d.h.w. temperature Setting on line 126 Boost Total Boiler temperature setpoint Note For d.h.w. control, refer to “switching differential of d.h.w.” in index. 107/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 108: D.h.w. Priority

    1. In the case of plants where there is a considerable risk of frost (e.g. plants with outdoor heating), setting 0 should not be used. 108/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 109: Shifting Priority

    Through the generation of the temperature-time integral it is not only the period of time that is considered, but also the extent of boiler temperature undershoot. This means that when the undershoot is significant, the setpoint reduction will be greater. 109/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 110: Temperature-Time Integral

    Locking signal will be set to 0 %. Diagram SDK/2 Start of d.h.w. heating boiler temperature Boiler temperature setpoint Actual value of the boiler temperature Switching differential of the boiler Time Locking signal 110/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 111: Controlling Element For D.h.w

    (setting 121). Also refer to "plant diagram 3" in Index. D.h.w. heating is not possible in manual operation since the diverting valve used is not controlled to provide space heating. 111/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 112: Lpb / System

    (address 1). Note Addressing is part of engineering. For detailed information, refer to LPB System Engineering, Basic Documentation (reference number CE1P2370E). 112/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 113: Lpb Segment Address

    All devices in a segment must carry the same segment address. Note Addressing is part of engineering. For detailed information, refer to LPB System Engineering, Basic Documentation (reference number CE1P2370E). 113/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 114: Lpb Power Supply

    Note The design of the bus system is part of engineering. For detailed information, refer to LPB System Engineering, Basic Documentation (reference number CE1P2370E). 114/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 115: Display Of Lpb Power Supply

    Bus power supply currently inactive Bus power supply Power supply to the bus can be accomplished in different ways. The respective setting is made on line 142. 115/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 116: Range Of Action Of Central Changeover

    The setting is of importance only if the controller is defined as the master and located in segment 0 (address 0/1). With any other addressing, it has no effect. 116/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 117: Automatic Summer / Winter Changeover

    1 is used for all heating circuits. Segment address Effect According to the setting made on line 145 1...14 Throughout the segment 117/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 118: Central Stand-By Switch

    Display If the central stand-by circuit is activated, the stand-by button on all controllers in the selected range of action flashes. 118/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 119: Clock Mode

    Time settings on the device can be adjusted and, at the same time, adjust the system time Reglerzeit Systemzeit The controller's time settings are used for the system 119/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 120: Winter- / Summertime Changeover

    On the Sunday following that date, the controller’s time of day will switch over to wintertime. For that purpose, the time of day is shifted backward by one hour. Setting Setting range Unit Factory setting 01.01...31.12. tt.MM 25.10. 120/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 121: Display Of Pps Communication

    These peripheral devices can only be operated under the respective PPS address. Important When connecting a room unit type QAA10, the right polarity of the terminals must be observed. 121/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 122: Multi-Functional Inputs

    When using terminal H1 as a voltage input (setting 4), it is not possible to connect several signals in parallel. 122/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 123: Changeover Of Operating Mode

    When the contact of the remote telephone switch opens, all controllers will return to the operating mode selected last flash Check Buttons flash on all controllers in the same segment 1) 123/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 124: Minimum Flow Temperature Setpoint Tvhw

    The chimney sweep function can be activated although the heat generation lock is switched on. Notes Optimally, this function can also be accomplished with the help of terminal H2 and setting line 174. 124/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 125: Heat Demand Dc 0

    These settings have no impact on other controllers in the system. Note Optimally, this function can also be accomplished with the help of terminal H2 and setting line 174. 125/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 126: Minimum Flow Temperature Setpoint Contact H (Tvhw)

    Minimum limitation of boiler temperature setpoint (setting on line 81) TVHw Minimum setpoint of flow temperature, contact H, (setting on line 171) Switching differential of the boiler temperature (setting on line 3 126/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 127: Maximum Value Of Heat Demand Signal Dc 0

    Input H1 is used for a heat demand signal DC 0…10 V (line 170, setting 4). − Input H2 is used for d.h.w. sensor 2 (B31). 127/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 128: Input B31/H2

    This will ensure better storage tank efficiency. Note For more detailed descriptions about the control with 2 d.h.w. sensor, refer to "D.h.w. switching differential" in Index. 128/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 129: Minimum Flow Temperature Setpoint (Tvhw)

    These settings have no impact on other controllers in the system. Note If desired, this function can also be accomplished with the help of terminal H1 and setting line 170. 129/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 130: Description Of Oem Settings

    If the boiler temperature reaches the level set here, the burner will be switched off. Legend Boiler temperature °C Boiler temperature setpoint Tkmin Minimum limitation of boiler temperature Switching differential TAgem Composite outside temperature °C 130/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 131: Switching Differential Of The Boiler Temperature

    The greater the demand for heat, the longer the burner runs at a time. Switching differential Setpoint Switching differential of the boiler Switch-on point Switch-off point °C 131/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 132: Single-Stage Burner

    2-stage burner The second burner stage will be activated and deactivated according to the following settings: • Release limit Setting 05 • Reset limit Setting 06 132/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 133: Minimum Limitation Of Burner Running Time

    +SDK +SDK/2 TKw- SDK/2 tBRmin Burner tBRmin Minimum burner running time Release counter Boiler temperature setpoint Switching differential of the boiler Actual value of boiler temperature 133/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 134: Release Integral Of Burner Stage 2

    (point in time tF), burner stage 2 will be released. Example °C TKw+SDK/2 TKw-SDK/2 release limit Boiler temperature setpoint Actual value of boiler temperature Switching differential of boiler Time Time to release 134/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 135: Reset Integral Of Burner Stage 2

    (point in time tR), burner stage 2 will be locked. Example °C TKw+SDK/2 TKw-SDK/2 reset limit Boiler temperature setpoint Actual value of boiler temperature Switching differential of boiler Time Time to reset 135/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 136: Pump Overrun Time

    Example TVNw TVRw Operating mode Nominal operation Pumps Reduced operation Mixing valve TVNw Nominal flow temperature setpoint TVRw Reduced flow temperature setpoint Pump overrun time 136/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 137: Operating Mode Of The Boiler

    3.8.1 Extended burner running time Without extended burner running time With extended burner running time °C °C TKmin TKmin TAgem -20 °C -20 °C TAgem 137/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 138: Protective Boiler Start-Up

    Locking signal < 5 % Normal pump operation • D.h.w. pump: Status Effect Locking signal > 50 % D.h.w. pump OFF Locking signal < 50 % Normal pump operation 138/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 139: Impact On Modulating Loads

    15 minutes. On completion of the 15 minutes, protective boiler start-up will become active again as soon as the boiler temperature gradient turns positive. 139/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 140: Temperature-Time Integral

    Diagram SDK/2 TKmin boiler temperature Actual value of boiler temperature Tkmin Minimum limitation of boiler temperature Boiler switching differential (factory setting = 8K) Time Locking signal 140/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 141: Control Of Boiler Pump

    The boiler pump operates when there is a demand for heat or when the burner operates. In that case, the boiler pump does not respond to locking signals (protective boiler start-up). 141/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 142: Heating Circuit

    Flow temperature setpoint Setting on line 30 Boost Total Boiler temperature setpoint Note Also refer to "heating curve slope" in Index. 142/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 143: Gain Factor Of Room Influence (Korr)

    Actual value of the room temperature TRwk Corrected room temperature setpoint Note The gain factor of room influence is only active when a room unit is connected. 143/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 144: Constant For Quick Setback And Optimum Start Control (Kon)

    Also refer to “quick setback with room temperature influence” in Index. 3.13.2 Optimum start control without influence Also refer to "optimum start control" in Index. 144/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 145: Boost Of Room Temperature Setpoint (Dtrsa)

    (TRw - ¼ °C). The boost produces an increase in the flow temperature setpoint. °C Actual value of the room temperature etpoint boost Room temperature setpoint Time 145/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 146: Frost Protection For The Plant

    If the temperature was previously lower (in the range of "ON“), the pump is continuously running also in the range up to -4 °C and is switched on / off only when the outside temperature is higher takt TA °C 146/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 147: Control Mode Of Actuator

    3-position control delivers output signals that allow the actuator to open, close or stop in any position. With this control mode, the switching differential need not be adjusted since the 3- position actuator can stop in any position. 147/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 148: Switching Differential Of Actuator

    Motorized valve actuator CLOSES TVw + SDM/2 Setpoint 36OEM Switching differential of actuator Switch-on point Switch-off point Mixing valve actuator OPENS Mixing valve actuator °C CLOSES 148/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 149: Overtemperature Protection For The Pump Heating Circuit

    TVxGed TVwGef (ε ≤ Pump continuously OFF Notes If a flow sensor is connected (mixing heating circuit), overtemperature protection for the heating circuit pump is inactive. 149/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 150: Heat Gains (Tf)

    Compensation of potential constant heat sources. Entry: Increase: For more compensation In the case of significant heat sources Decrease: For less compensation In the case of less significant heat sources 150/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 151: Adaption Sensitivity 1 (Zaf1)

    Adaption of heating The process of heating curve adaption is described in the relevant section. Also refer to curve "adaption of heating curve" in Index. 151/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 152: Adaption Sensitivity 2 (Zaf2)

    Adaption of heating The process of heating curve adaption is described in the relevant section. Also refer to curve "adaption of heating curve" in Index. 152/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 153: P-Band Mixing Valve (Xp)

    Actuator running time mixing valve Benefit Setting the actuator running time. Description Mixing valves have different actuator running times. Setting Setting range Unit Factory setting 30...873 153/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 154: D.h.w

    (setting on line 26). °C Setting "Nominal setpoint of the d.h.w. temperature” Setting "Reduced setpoint of the d.h.w. temperature” Setting "Maximum nominal setpoint of the d.h.w. temperature” 154/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 155: Switching Differential Of D.h.w. Temperature (Sdbw)

    Switch-off point Switching differential D.h.w. ON: TBWx = TBWw - SDBW D.h.w. OFF: TBWx = TBWw Setpoint Switching differential of d.h.w. temperature Switch-on point Switch-off point °C 155/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 156: D.h.w. Temperature Control With 2 Sensors

    D.h.w. OFF: TBWx of both sensors TBWw Note If the d.h.w. temperature is controlled with 2 sensors, the respective setting must be made on line 174. 156/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 157: Legionella Function

    In large plants, it must be ensured that the water outlet temperature is not lower than 60 °C and that the temperature in the piping system does not drop by more than 5 °C. 157/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 158: Setpoint Of Legionella Function

    8...95 °C Effect The setting changes the d.h.w. setpoint during the period of time the d.h.w. is heated up as a result of the legionella function. 158/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 159: Discharge Protection During D.h.w. Heating

    If the boost value is less than 1/8 of the value set, d.h.w. heating will be interrupted (pump will overrun for at least 1 minute) 1 min 159/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 160: Service

    The software version will automatically be displayed on this line. Example: 01.0 The first 2 digits give the software version (01.) The third digit gives the software revision (.0) 160/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 161: Device Operating Hours

    The hours considered as operating hours are those during which power was supplied to the controller, that is, including the periods of time with no effective heating operation. The number of operating hours cannot be reset. 161/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 162: General Control Processes

    For the rectification of faults, planning and plant maintenance, it may therefore be very advantageous to know about their influence on plant operation. 162/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 163: Generation Of Boiler Temperature Setpoint

    TVw1 Flow temperature setpoint of heating circuit 1 (incl. setpoint boost if any) TVw2 Flow temperature setpoint of heating circuit 2 (incl. setpoint boost if any) 163/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 164: Automatic 24-Hour Heating Limit

    If the flow temperature setpoint exceeds the room temperature setpoint plus a correction value, the heating will be switched on. Heating’s switch-on point: TRw + 4 S/10 Flow temperature setpoint Room temperature setpoint Slope of heating curve 164/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 165: With Room Influence

    Heating’s switch-on point: 31OEM ≥ − TVwk TVwk Flow temperature setpoint corrected by the room temperature Room temperature setpoint Slope of heating curve 165/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 166: Quick Setback With Room Sensor

    Note If no room sensor is connected, quick setback will not be accomplished through this process. Also refer to “constant for quick setback” in Index. 166/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 167: Overtemperature Protection Mixing Heating Circuit

    If the flow temperature exceeds the limit value “Maximum limitation of flow temperature” + 7.5 °C (fixed value), the pump will be deactivated. This limit function acts only with the mixing heating circuit. 167/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 168: Attenuated Outside Temperature

    The attenuated outside temperature acts indirectly, via the composite outside temperature, on flow temperature control. TAakt Example °C TAged 18:00 06:00 18:00 06:00 18:00 TAakt Actual outside temperature TAged Attenuated outside temperature 168/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 169: Composite Outside Temperature

    06:00 18:00 TAakt Actual outside temperature TAged Attenuated outside temperature TAgem1 Composite outside temperature for light building structures TAgem0 Composite outside temperature for heavy building structures 169/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 170: D.h.w. Push

    TBWx SDBW TBWR · SDBW TBWw TBWR Push SDBW Switching differential d.h.w. TBWw Nominal setpoint of the d.h.w. temperature TBWR Reduced setpoint of the d.h.w. temperature 170/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 171: Pump And Valve Kick

    (common flow temperature) or, in certain situations, with the boiler temperature. If the cascade temperature (or the boiler temperature) is lower than the storage tank temperature, pump overrun will be stopped prematurely. 171/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 172: Overview Of Pump Operation

    (8 OEM). Reasons for an invalid demand for heat can be, for example, summer/winter changeover, 24-hour heating limit, quick setback, or room temperature limitation by room sensor. 172/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 173: Frost Protection

    ) is taken into consideration • Pump overrun will be activated when d.h.w. heating is terminated • This function is not available when heating the d.h.w. with a control thermostat 173/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 174: For The Heating Circuit

    If the flow temperature reaches the switch-off threshold of 7 °C, the temperature demand will be maintained for another 5 minutes. This ensures that the hot water will reach the entire heating circuit including the return. 174/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 175: Application Examples

    Plant types K4/K5 Heat source variant Plant type D.h.w. No heat source Multi-stage burner or PPS- 22 a. 24 a. 2 a. 16 a. 26 a. 175/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 176: D.h.w. Heating With Diverting Valve

    In the case of BMU applications (B1) with d.h.w. heating by the BMU, this plant type is also shown. With this application, setting “D.h.w. priority” of the RVA63 is not active. 176/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 177: Legend To Plant Types

    Circulating pump mixing heating circuit 2 Mixing valve HC1 OPEN Mixing valve HC1 CLOSED Mixing valve HC2 OPEN Mixing valve HC2 CLOSED Electrical connections M PPS 177/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 178: Dimensions

    (e) gives the total length of the panel cut-out. Example Combination Calculation Panel cut-out 96 plus 96 96+96-4 188 mm 144 plus 96 96+144-5 235 mm 144 plus 144 144+144-6 282 mm 178/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...

  • Page 179: Technical Data

    Remote telephone switch, auxiliary switches suitable for low voltage (H1, H2), and d.h.w. control thermostat (gold-plated contacts) Weight of controller approx. 0.6 kg Miscellaneous Clock reserve min. 12 h 179/184 Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 180 ....... 77 button lights...............37 double function ............41 central changeover..........116 effect of room unit............. 37 central stand-by switch..........118 ER display ..............65 chimney sweep............42 180/184 Siemens Building Technologies Basisdokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Index 19.04.2001...
  • Page 181 ........172 legionella function ........... 157 light building structures ..........94 parallel displacement ..........83 locking signal gain ............ 97 parallel displacement of heating curve......83 181/184 Siemens Building Technologies Basisdokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Index 19.04.2001...
  • Page 182 ............87 weekday ..............44 winter- / summertime ..........120 segment address.............113 winter operation ............54 segment controller...........112 wiring ................ 15 with master function ...........112 182/184 Siemens Building Technologies Basisdokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division 19.04.2001...
  • Page 183 Änderung: Ganzes Dokument Aufgrund einer umfangreichen Überarbeitung sind etliche neue Funktionen eingefügt sowie viele bestehende angepasst worden. Eine detaillierte Aufführung der Änderungen ist daher nicht möglich. 183/184 Siemens Building Technologies Basisdokumentation RVA63.280, RVA53.280 CE1P2374E Landis & Staefa Division Korrigenda 19.04.2001...
  • Page 184 Siemens Building Technologies AG © 1999 Siemens Building Technologies AG Landis & Staefa Division Änderungen vorbehalten Gubelstrasse 22 CH 6301 Zug Tel. 41 41-724 24 24 Fax 41 41-724 35 22 www.landisstaefa.com 184/184 Siemens Building Technologies Basisdokumentation RVA63.280, RVA53.280 CE1P2374E Landis &...

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