Siemens RVA53.242 Manuals

Manuals and User Guides for Siemens RVA53.242. We have 1 Siemens RVA53.242 manual available for free PDF download: User Manual

Siemens RVA53.242 User Manual

Siemens RVA53.242 User Manual (218 pages)

Boiler and Heating Circuit Controllers

Brand: Siemens | Category: Controller | Size: 1.03 MB

Table of Contents

Table of Contents
3
1 Summary

10
- Brief Description
  10
- Features
  10
- Range of Products
  12
- Field of Use
  13
- Product Liability
  13
2 Handling

14
- Installation
  14
- Regulations for Installation
  14
- Mounting Location
  14
- Mounting Procedure
  14
- Required Cut-Out
  16
- Orientation
  16
- Electrical Installation
  17
- Regulations for Installation
  17
- Wiring
  17
- Commissioning
  19
- Functional Checks
  19
- Parameter Settings for the End-User
  23
- Overview of End-User Parameters
  24
- Parameter Settings for the Heating Engineer
  26
- Overview of Heating Engineer Parameters
  27
- Parameter Settings for the OEM
  32
- Overview of OEM Parameters
  33
- Operation
  35
- Operating Elements
  35
- Operational Faults
  37
3 Description of End-User Settings

39
4 Description of Heating Engineer Settings

72
5 Description of OEM Settings

148
- Heat Generating Equipment
  148
- Minimum Limitation of Boiler Temperature (Tkmin )
  148
- Maximum Limitation of Boiler Temperature (Tkmax)
  148
- Switching Differential of the Boiler Temperature
  149
- Single-Stage Burner
  150
- 2-Stage Burner
  150
- Minimum Limitation of the Burner Running Time
  151
- Release Integral of Burner Stage 2
  152
- Temperature-Time Integral
  152
- Reset Integral of Burner Stage 2
  153
- Temperature-Time Integral
  153
- Pump Overrun Time
  154
- Operating Mode of Boiler
  155
- Extended Burner Running Time
  155
- Protective Boiler Start-Up
  156
- Impact on 2-Position Loads
  156
- Impact on Modulating Loads
  157
- Temperature-Time Integral
  158
- Control of Boiler Pump
  159
  - Modulating Burner
    160
- Running Time of Damper Actuator
  160
- Proportional Band (Xp)
  161
- Integral Action Time (Tn)
  161
- Derivative Action Time (Tv)
  161
- Switching Differential of Damper Actuator
  162
  - Maintained Boiler Return Temperature
    163
- Maintained Boiler Return Temperature with Mixing Valve
  163
- Maintained Boiler Return Temperature with Consumer Influence
  163
- Minimum Limitation of the Boiler Return Temperature
  164
- Switching Differential of Bypass Pump
  164
- Control of the Bypass Pump
  165
- Parallel with the Burner Setting 0
  165
- According to the Boiler Return Temperature Setting 1
  166
- Temperature-Time Integral
  168
  - Heating Circuit
    169
- Boost of the Flow Temperature Setpoint Mixing Valve (UEM)
  169
- Gain Factor of Room Influence (KORR)
  170
- Constant for Quick Setback and Optimum Start Control (KON)
  170
- Quick Setback Without Room Influence
  171
- Optimum Start Control Without Influence
  171
- Boost of Room Temperature Setpoint (DTRSA)
  172
- Boost Heating
  172
- Frost Protection for the Plant (HK1 and HK2)
  173
- Frost Protection for the Plant
  173
- Control Mode of Actuator
  174
- Switching Differential of Actuator
  175
- Control of Mixing Valve Actuator
  175
- Overtemperature Protection for the Pump Heating Circuit
  176
- Heat Gains (Tf)
  177
- Adaption Sensitivity 1 (ZAF1)
  177
- Adaption Sensitivity 2 (ZAF2)
  178
- P-Band of Mixing Valve (Xp)
  179
- Integral Action Time of Mixing Valve Y1 (Tn)
  179
- Actuator Running Time Mixing Valve Y1
  179
  - 180
    180
- Maximum Nominal Setpoint of D.h.w. Temperature (Tbwmax)
  180
- Switching Differential of D.h.w. Temperature (SDBW)
  181
- Temperature Control
  181
- Temperature Control with 2 Sensors
  182
- Legionella Function
  183
- Setpoint of Legionella Function
  184
- Discharge Protection During D.h.w. Heating
  184
  - Service
    185
- Continuous Display
  185
- Software Version
  185
- Device Operating Hours
  185
6 General Control Processes

186
- Generation of the Boiler Temperature Setpoint
  186
- Maintained Boiler Return Temperature
  187
- Modulating Burner Control
  188
- Setting Rules for Xp, Tn and Tv
  188
- Checking the Control Function
  188
- Control Action too Slow
  188
- Control Action too Fast
  189
- Automatic 24-Hour Heating Limit
  190
- Without Room Influence
  190
- With Room Influence
  190
- Quick Setback with Room Sensor
  192
- Overtemperature Protection Mixing Heating Circuit
  192
- Attenuated Outside Temperature
  193
- Composite Outside Temperature
  194
- Push
  195
- Pump and Valve Kick
  196
- Protection against Discharging after D.h.w. Heating
  196
- Buffer Storage Tank Operation
  197
- Overview of Pump Operation
  198
- Frost Protection
  199
- For the Boiler
  199
- For the D.h.w
  199
- For the Heating Circuit
  200
7 Application Examples

201
- Structure of Plant Diagrams
  201
- Heat Source Variants
  202
- Pps-Bmu
  202
- Multi-Stage Burner
  203
- Modulating Burner
  203
- Cascade 2 X 1
  204
- Cascade Slave
  204
- Plant Types
  205
- Without System Pump
  205
- System Pump before D.h.w
  206
- System Pump after D.h.w
  207
- System Pump with External Heat Demand
  208
- Diverting Valve
  209
- Cascade 2 X 1
  210
- Supplementary Information on the Plant Types Listed
  210
- Legend to Plant Types
  211
- Electrical Connections
  212
8 Dimensions

213
- Panel Cut-Out
  213
- Combination of Controllers
  213
9 Technical Data

214

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