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Siemens RVS61.843 User Manual

Siemens RVS61.843
258 pages
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Albatros
2
Heat pump controller
User manual
RVS41.813
RVS61.843
AVS75..
AVS37..
QAA75..
QAA78..
QAA55..
Edition 2.1
Controller series B
CE1U235
5en_02
28. September 2009
Siemens Switzerland Ltd
HVAC Products

Table of Contents

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Siemens RVS61.843 Specifications

General IconGeneral
BrandSiemens
ModelRVS61.843
CategoryController
LanguageEnglish

Summary

Overview

Product Range Overview

Overview of the product range, including wired and wireless components and their connections.

Operation Options

Describes wired and wireless operation configurations with operator and room units.

Safety Notes

Notes on Product Liability

Details product usage limitations and warranty void conditions if not observed.

Mounting and Installation

Regulations

Outlines general regulations for installation, including power disconnection and safety class requirements.

Heat Pump Controller RVS..

Covers engineering requirements for heat dissipation, mounting locations, and permissible ambient temperature.

Connection Terminals RVS61.843

Details the connection terminals and their markings for the RVS61.843 model.

Connection Terminals of RVS41.813

Details the connection terminals and their markings for the RVS41.813 model.

Extension Module AVS75.390

Provides dimensions, drilling plan, and connection details for the AVS75.390 extension module.

Operator Unit AVS37.294

Covers mounting method, connections, dimensions, and panel cutout for the AVS37.294 operator unit.

Operator Unit AVS37.390

Details connections and dimensions for the AVS37.390 operator unit.

Room Unit QAA55…

Covers engineering, mounting, connections, and dimensions for the QAA55 room unit.

Room Unit QAA75…

Details engineering, mounting method, and connections for QAA75 room units.

RF Components

Discusses placement criteria for wireless components to minimize interference.

Room Unit QAA78.610

Covers engineering and mounting with base instructions for the QAA78.610 room unit.

Wireless Outside Sensor AVS13.399

Details mounting methods for RF transmitter and outside sensor, including connections.

Wireless Outside Sensor AVS13.399

Explains radio connection establishment and testing procedures for wireless components.

RF Repeater AVS14.390

Covers mounting, connections, radio connection establishment, and testing for the RF repeater.

Checking the RF Components

Guides on checking the operational status of connected system components using specific menus.

Commissioning

Heat Pump Controller

Outlines prerequisites, function checks, operating states, and diagnosis methods for commissioning.

Handling

QAA75.. / QAA78… / AVS37..

Details operating elements and functions for QAA75/QAA78/AVS37 units.

Operation

Explains operating elements, display choices, and basic modes for room and operator units.

Operation

Details display choices, selecting heating modes, and characteristics of automatic operation.

Operation

Describes selecting cooling and DHW heating modes, including DHW push functionality.

Operation

Explains adjusting room temperature setpoints, occupancy button usage, and displaying information.

Programming the QAA75... / QAA78… / AVS37..

Details the setting principle and provides an example for programming time of day and date.

User Levels

Explains different user levels and how to access them, including Enduser and Commissioning.

Overview of the Settings

Provides a table of available settings up to the heating engineer level, with default values and units.

QAA55...

Operation

Explains operating elements, display choices, and basic modes for the QAA55 room unit.

Programming

Describes accessing service level and setting parameters like "Used as" and "Operation lock".

The Settings in Detail

Time of Day and Date

Explains the importance of setting the controller's yearly clock correctly for heating programs.

Operator Section

Covers settings for language, info display, operation lock, and programming lock.

Radio Links

Details binding wireless devices, testing radio links, and listing connected RF devices.

Time Programs

Explains setting up switching programs for heating circuits and DHW heating with preselection options.

Holidays

Describes the holiday program for setting heating circuits to a selectable operating level based on calendar dates.

Heating Circuits

Details functions that can be set individually for each heating circuit, including operating modes and setpoints.

Cooling Circuit 1

Explains prerequisites and operation for the cooling circuit, including system types and mode selection.

Domestic Hot Water

Details DHW control via setpoints, activated based on selected operating mode.

Release

Explains how cooling is enabled based on time programs, holiday programs, or occupancy buttons.

Charging Priority

Defines priority for DHW charging when multiple heat sources are active.

Legionella Function

Explains the legionella function settings for fighting bacteria in DHW systems.

Hx Pumps

Describes prerequisites for using Hx pumps and their connection to relay outputs.

Swimming Pool

Allows setting solar or heat pump based setpoints for swimming pool heating.

Priority

Sets priority for swimming pool heating or storage tank charging, impacting solar operation.

Primary Controller / System Pump

Explains the primary controller's role in mixing flow and system pump usage for pressure.

Primary Controller / System Pump

Defines the installation position of the primary controller or system pump relative to the buffer storage tank.

Heat Pump

Defines the type of heat source (brine, water, air, external) and required sensors.

Refrigeration

Specifies whether refrigeration is generated and the system type (4-pipe or 2-pipe).

Differential HC at OT –10°C

Adjusts flow temperature setpoint based on return temperature and outside temperature differentials.

Function Diagrams

Presents schematic diagrams illustrating heat pump components and designations.

Condenser Pump

Details settings for condenser pump operation, including frost protection and runtime.

Source Pump

Explains source pump functions, including minimum water/brine temperatures and protection settings.

Compressor Control in Plants Without Buffer or Combi Storage Tank

Describes compressor control based on return temperature and switching differentials without storage tanks.

Compressor Control in Plants With Buffer or Combi Storage Tank

Explains compressor control using buffer/combi tank sensors, considering setpoints and switching differentials.

Compressor Settings

Details settings for minimum run times, switch-off temperatures, and delays for compressors.

Electric Immersion Heater in the Flow

Covers control and usage of electric immersion heaters in the flow for heating or DHW.

Heat Pump Protection During DHW Charging

Details heat pump protection mechanisms during DHW charging, including fault handling and attempts.

Defrost Function for Air-to-Water Heat Pumps

Explains defrosting methods (fan or process reversal) and parameters for air-to-water heat pumps.

Cooling

Describes active and passive cooling modes, system requirements, and application examples.

Energy Meter

Covers measurement and display of electrical energy, natural gas, heat, or volume flow.

Heat Volume Meter

Explains how to use pulse inputs for heat metering and calculating volume flow.

Energy Counter Electricity/Natural Gas

Details using pulse inputs for electrical energy or natural gas volume flow metering.

Counter/Performance Factor

Explains how performance factors are calculated from delivered and employed energy counters.

Fixed Day Storage (Yearly Performance Factor)

Describes how to store counter values on fixed dates and calculate yearly performance.

Cascade

Explains control mechanisms for heat sources in a cascade, including sequence and exclusion settings.

Control

Explains control mechanisms for heat sources in a cascade, including sequence and exclusion settings.

Heat Source Sequence

Explains control mechanisms for heat sources in a cascade, including sequence and exclusion settings.

Electric Immersion Heaters in the Cascade

Details the release of electric immersion heaters based on compressor stages and criteria.

Supplementary Source (only RVS41...)

Sets the operating mode for the supplementary source based on outside temperature limits.

Operating Mode

Sets the operating mode for the supplementary source based on outside temperature limits.

Overtemperature Protection

Configures overrun time for external source release and overtemperature protection.

Control

Manages switching integral, differential, and lock times for supplementary source control.

Switching Integral

Manages switching integral, differential, and lock times for supplementary source control.

Solar

Sets temperature differentials for charging storage tanks or swimming pools via solar.

Charging Controller (dT)

Sets temperature differentials for charging storage tanks or swimming pools via solar.

Priority

Sets priority for swimming pool heating or storage tank charging, impacting solar operation.

Start Function

Configures minimum runtime and activation gradient for the collector pump.

Collector Frost Protection

Details activation of the collector pump to prevent freezing based on temperature.

Overtemperature Protection for the Collector

Describes stopping charging when collector or storage tank temperatures reach limits.

Medium’s Evaporation Temperature

Sets conditions for collector pump deactivation to prevent medium evaporation.

Speed Control

Limits solar pump speed within a specified range and ensures reliable startup.

Yield Measurement

Explains requirements for accurate solar yield measurement using sensors and antifreeze concentration.

Antifreeze

Specifies antifreeze type and concentration for accurate solar energy yield determination.

Buffer Storage Tank

Describes buffer storage tank integration for heat charging and cooling energy storage.

Overview

Describes buffer storage tank integration for heat charging and cooling energy storage.

Forced Charging

Allows triggering forced charging to save costs or fully charge the tank before heat pump lockout.

Automatic Locks

Configures automatic locks based on buffer temperature requests and heat demands.

Stratification Protection

Provides hydraulic balancing for consumers and heat sources, preventing cold water addition.

Overtemperature Protection

Details charging limits and collector pump reactivation for buffer storage tank overtemperature protection.

Recooling

Manages recooling to a set temperature after charging, or emitting excess heat.

Electric Immersion Heater

Controls electric immersion heaters for buffer storage tank charging, especially during frost protection.

Solar Integration

Indicates whether the buffer storage tank can be charged by solar energy.

DHW Storage Tank

Lists criteria that can lead to DHW charging abortion by the heat pump due to faults or limitations.

Abortion of DHW Charging

Lists criteria that can lead to DHW charging abortion by the heat pump due to faults or limitations.

Charging Control

Defines DHW request calculation, heat transfer from buffer, and charging implementation.

Flow Setpoint Boost

Adds a boost value to the current DHW setpoint for heat source requests.

Increase of Transfer Boost

Allows heat transfer from buffer to DHW storage, requiring a temperature differential.

Type of Charging

Selects sensor configuration for DHW storage tank charging and legionella function.

Switching Differential

Starts DHW charging when temperature is below setpoint minus differential, completes at setpoint.

Charging Time Limitation

Sets a time limit for DHW charging to ensure heat availability for space heating.

Overtemperature Protection

Limits solar charging to maximum temperature and reactivates collector pump if needed.

Instantaneous DHW Heater (only RVS61.843)

Describes DHW heating via external heat exchanger using buffer, DHW, or combi storage.

Overview

Describes DHW heating via external heat exchanger using buffer, DHW, or combi storage.

Configuration

Guides through selecting plant diagrams and configuring inputs/outputs for instantaneous DHW heating.

Setpoints

Sets maximum DHW temperature based on storage tank temperature and adjustable differential.

Speed-controlled Pump

Defines minimum and maximum speeds for pumps in instantaneous DHW heating.

Mixing Valve Control

Sets actuator running time for mixing valves used in instantaneous DHW heating.

Configuration

Outlines the procedure for configuring the system by presetting plant diagrams and fine-tuning parameters.

Procedure

Outlines the procedure for configuring the system by presetting plant diagrams and fine-tuning parameters.

Preselection of Plant Diagram

Allows preselecting plant diagrams by entering a number, which includes sensors and diagrams.

Manual Setting / Adjustment of Partial Diagrams

Enables manual creation or modification of plant diagrams using partial diagrams.

Heating/Cooling Circuit 1

Controls the on/off state of heating circuit 1 and cooling circuit 1, including overtemperature protection.

Heating Circuit 2

Controls the on/off state of heating circuit 2.

DHW Controlling Element Q3

Selects DHW heating control via charging pump or diverting valve, or disables it.

Separate DHW Circuit

Activates a separate circuit for DHW charging, decoupling the heat source for space heating.

Heat Source

Defines the type of heat source (brine, water, air, external) and required sensors.

Refrigeration

Specifies whether refrigeration is generated and the system type (4-pipe or 2-pipe).

Differential HC at OT –10°C

Adjusts flow temperature setpoint based on return temperature and outside temperature differentials.

Solar

Sets temperature differentials for charging storage tanks or swimming pools via solar.

Solar Controlling Element

Selects control method (charging pump or diverting valve) for solar integration with tanks.

External Solar Exchanger

Selects usage of external heat exchanger for DHW or buffer storage tank in solar plants.

Buffer Storage Tank

Defines whether the DHW storage tank draws heat from the buffer storage tank.

Output Relay QX

Allows individual selection of relay outputs 1 to 6 for various functions.

Relay Output QX1, QX2, QX3, QX4, QX5, QX6, QX7, QX8

Assigns functions to relay outputs based on selection, detailed in application diagrams.

Function Output QX4-Mod

Determines which pump is modulated via QX4-Mod output, using triac control.

Sensor Input BX1, BX2, BX3, BX4, BX5

Assigns sensor inputs BX1-BX5 to various sensors for plant diagram functions.

Input H1, H3

Defines functions for inputs H1/H3, activated by contacts or DC voltage signals.

Input EX1, EX2, EX3, EX4, EX5, EX6, EX7

Defines functions for inputs EX1-EX7 (230V), covering utility lock, low tariff, and overload signals.

Function Mixing Group 1

Defines the use of mixing group 1 and its inputs/outputs, assigning functions to terminals.

Function Mixing Group 1

Defines the use of mixing group 1 and its inputs/outputs, assigning functions to terminals.

Extension Module

Lists functions assignable to multifunctional inputs/outputs of extension modules.

Frost Protection on the Extension Module

Explains frost protection operation for heating/cooling circuits on the extension module.

QX Extension Module

Defines the use of QX relay outputs on the extension module for various functions.

BX Extension Module

Assigns sensor inputs BX1-BX5 to various sensors for plant diagram functions.

H2 Extension Module

Details functions for input H2 on the extension module, similar to basic unit Hx inputs.

10V Output UX

Explains the use of voltage-modulated UX output for speed-controlled pumps or temperature requests.

Types of Sensor / Readjustment

Selects sensor types and allows readjustment of measured sensor values.

Building and Room Model

Adjusts flow temperature setpoint response based on building thermal capacity and outside temperatures.

Frost Protection for the Plant

Activates heating circuit/condenser pumps based on outside temperature for plant frost protection.

Air Dehumidifier

Activates/deactivates air dehumidification based on relative humidity or time programs.

Sensors

Manages saving and resetting sensor states and values for accurate readings.

Parameters

Allows saving current parameter settings as new defaults, overwriting factory settings.

Plant Diagram

Checks sensor connections against plant diagrams for correct configuration.

Check Numbers

Generates check numbers based on partial diagram numbers to identify the current plant diagram.

Check no. Heat Source 2

Lists heat pump types and their corresponding check numbers for plant configuration verification.

Check-No. Storage Tank

Lists storage tank types and their corresponding check numbers for plant configuration verification.

Check no. Heating Circuit

Lists heating circuit types and their corresponding check numbers for plant configuration verification.

LPB

Sets device and segment addresses for LPB communication and bus power supply.

Address / Power Supply

Sets device and segment addresses for LPB communication and bus power supply.

Errors

Allows resetting alarm relays and heat pump errors, potentially bridging startup delays.

Reset

Allows resetting alarm relays and heat pump errors, potentially bridging startup delays.

Error Message Functions

Explains how error messages are generated and displayed for flow temperature deviations or DHW charging issues.

Error History

Stores and displays the last 10 errors with codes and times, accessible via PC tool.

Service / Special Operation

Enables individual activation/deactivation of maintenance functions and displays messages for violations.

Maintenance Functions

Enables individual activation/deactivation of maintenance functions and displays messages for violations.

Input / Output Test

Tests relay outputs by energizing them to check components, relays, and wiring.

Output Test Relays

Tests relay outputs by energizing them to check components, relays, and wiring.

Output Test UX

Delivers an appropriate signal via output test UX/P1 for checking purposes.

Input Test Sensors

Displays relevant inputs for checking by selecting from input test sensors.

Input Test H1, H2, H3

Shows voltage signals, contact states, and pulse counters for inputs H1, H2, H3.

Input Test E

Allows checking relevant inputs by selecting settings from input test E.

State of Plant

Displays current operating states of heating circuits, DHW, cooling, and heat pump.

Messages

Displays current operating states of heating circuits, DHW, cooling, and heat pump.

State Heating Circuit

Shows operating states for heating circuits from end-user and commissioning perspectives.

State DHW

Displays DHW operating states like manual control, recooling, and charging status.

State Cooling Circuit

Shows cooling circuit states including mode, frost protection, and limitations.

State Heat Pump

Displays heat pump states like emergency operation, faults, and locked conditions.

Diagnostics Cascade

Displays priority and state of sources, temperature values, and stage order in cascade systems.

Priority/State

Displays priority and state of sources, temperature values, and stage order in cascade systems.

Diagnostics Heat Source

Checks operating states of components controlled via heat pump relays for brine-to-water systems.

Brine-to-water Heat Pump

Checks operating states of components controlled via heat pump relays for brine-to-water systems.

Setpoints and Actual Values

Queries various setpoints and actual values related to heat pump operation.

Remaining Times

Displays remaining off/on times for compressor stages if active.

Remain Limit Source Temp Min

Shows remaining time for pumps/compressor release due to low source temperature.

Compressors

Displays the current sequence of compressor operation (order of stages).

Compressor Sequence

Shows the current compressor sequence, i.e., the order in which compressors are put into operation.

Time / Start Counter

Displays total operating hours and starts for compressors and electric immersion heaters.

Locking Time HP

Shows total heat pump locking hours enforced by the electric utility.

Counter Number of Locks HP

Shows total heat pump locking actions enforced by the electric utility.

Hours Run EL Flow

Displays operating hours and starts for electric immersion heater in the flow.

Heat Pump Air

Shows the current operating state of the fan for air-to-water heat pumps.

Fan K19

Shows the current operating state of the fan for the air-to-water heat pump K19 (off / on).

Process Revers Valve Y22

Shows the current state of the process reversing valve (on/off).

Evaporator Temp

Shows the current evaporator temperature at sensor B84.

Temp Diff Defrost Act Value

Shows temperature difference between source inlet and evaporator.

Temp Diff Defrost Setpoint

Shows the setpoint for temperature difference needed for evaporator defrost.

Remain Time Defrost Lock

Shows how long defrost function is locked until next defrost attempt.

Remain Time Forced Defrost

Shows time until next forced defrost process if automatic/manual defrost is not triggered.

Number Defrost Attempts

Shows max defrost attempts before lockout or successful completion.

Solar

Shows current speed of collector pump 1 / 2.

Speed Collector Pump 1 / 2

Shows the current speed of collector pump 1 / 2.

Speed Solar Pump Ext Exch

Shows the current speed of the solar pump of an external heat exchanger 1.

Speed Solar Pump Buffer

Shows the current speed of the solar pump used for buffer storage tank charging.

Speed Solar Pump Swi Pool

Shows the current speed of the solar pump used for heating the swimming pool.

Collector Temperature 1 / 2

Current collector temperature acquired by sensor B6 / B61.

Collector Temperature 1, 2 Max

Display of the maximum temperature acquired by sensor B6 / B61.

Collector Temperature 1, 2 Min

Display of the minimum temperature acquired by sensor B6 / B61.

dT Collector 1, 2 / DHW

Display of the temperature difference between collector sensor B6 / B61 and DHW sensors B3 and B31.

Plant Diagrams

Shows various application diagrams including heat source variants and extra functions.

Basic Diagrams

Shows various application diagrams including heat source variants and extra functions.

Technical Data

Provides technical specifications for basic units RVS61.843 and RVS41.813.

Basic Units RVS61.843 and RVS41.813

Provides technical specifications for basic units RVS61.843 and RVS41.813.

Extension Module AVS75.390

Details technical specifications for the AVS75.390 extension module.

Operator and Room Unit AVS37... / QAA7x… / QAA55..

Provides technical specifications for operator and room units AVS37, QAA7x, and QAA55.

RF Module AVS71.390

Lists technical specifications for the AVS71.390 RF module.

Wireless Outside Sensor AVS13.399

Provides technical specifications for the AVS13.399 wireless outside sensor.

RF Repeater AVS14.390

Lists technical specifications for the AVS14.390 RF repeater.

Sensor Characteristics

Provides resistance values for NTC 1k sensors at different temperatures.

NTC 1k

Provides resistance values for NTC 1k sensors at different temperatures.

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