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Siemens Albatros2

Siemens Albatros2
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Edition 1.0
Controller series A
CE1U2355en_02
23. November 2007
Siemens Schweiz AG
HVAC Products
Albatros
2
Heat pump controller
User manual
RVS61.843
AVS75..
AVS37..
QAA75..
QAA78..
QAA55..

Table of Contents

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Siemens Albatros2 Specifications

General IconGeneral
ModelAlbatros 2
ManufacturerSiemens
Sampling Rate48kHz
InputsXLR
OutputsXLR

Summary

Summary

Product range overview

Overview of the product range including topology and operation options.

Operation options

Describes wired and wireless operation configurations for different units.

Safety notes

Notes on product liability

Specifies conditions for product use, adherence to requirements, and warranty voidance.

Mounting and installation

Regulations

General regulations for electrical installation and wiring requirements.

Heat pump controller RVS61.843

Engineering and mounting method details for the RVS61.843 heat pump controller.

Extension module AVS75.390

Dimensions, drilling plan, and connection terminals for the AVS75.390 extension module.

Operator unit AVS37.294

Details mounting method, connections, dimensions, and panel cutout for AVS37.294.

Operator unit AVS37.390

Provides connection and dimension details for the AVS37.390 operator unit.

Room unit QAA55

Engineering, mounting, connections, and dimensions for the QAA55 room unit.

Room unit QAA75

Engineering, mounting method, and connections for the QAA75 room unit.

RF components

Guidelines for locating wireless components for optimal transmission.

RF module AVS71.390

Describes the RF module's function, installation, and connection to the controller.

Room unit QAA78.610

Engineering and mounting instructions for the QAA78.610 room unit.

Wireless outside sensor AVS13.399

Mounting method and connections for the wireless outside sensor.

RF repeater AVS14.390

Mounting method, connections, and radio link setup for the RF repeater.

Commissioning

Heat pump controller RVS61.843

Checking the LED status for power supply, readiness, and faults.

Handling

QAA75.. QAA78 AVS37..

Operation of room units and operator units, including operating elements.

Display choices

Explains the meaning of various symbols and segments displayed on the unit.

Selecting space heating mode

Details on switching between operating modes like Automatic and Continuous.

Selecting cooling mode

Describes how to select and characteristics of the cooling mode.

Selecting DHW heating mode

Explains how to switch DHW heating mode on/off and the DHW push function.

Adjusting the room temperature setpoint

Instructions for adjusting comfort and reduced setpoints using the setting knob.

Occupancy button

Function of the occupancy button for saving energy and its activation in automatic mode.

Displaying information

How to display various data, including error and maintenance messages.

Manual defrost of HP reset

How to perform manual defrost or reset functions using the RESET button.

Programming the QAA75... QAA78 AVS37..

Explains the setting principle and provides an example for setting time of day.

User levels

Describes how to access different user levels (Enduser, Commissioning, Heating engineer).

Overview of the settings

Table summarizing available settings across different operating levels.

Time program 3 HCP

Details on setting time programs for heating circuit 3 or heat cost allocators.

Time program 4 DHW

Configuration of time programs for DHW heating.

Time program 5

Settings for time program 5.

Holidays

Setting holiday programs for heating circuits to selectable operating levels.

Heating circuits

Details on available functions and settings for heating circuits.

Setpoints

Defines setpoints for heating circuits like Comfort, Reduced, and Frost protection.

Room temperature

Explains how room temperature is affected by different setpoints and operating modes.

Heating curve

Describes heating curve settings for adjusting flow temperature based on weather.

Heating curve slope

Adjusting the heating curve slope to match heat output to room temperature needs.

Heating curve displacement

Parallel displacement for adjusting flow temperature evenly across temperature ranges.

Adaption

Automatic adaptation of the heating curve to prevailing weather conditions.

ECO functions

Details on summer/winter heating limits and 24-hour heating limits.

Summerwinter heating limit

Function to switch heating on/off based on temperature conditions throughout the year.

Flow temperature setpoint limitations

Defining a temperature range for the flow temperature setpoint required for cooling.

Room influence

Compensation variants for room temperature sensor to improve control accuracy.

Room temperature limitation

Function to deactivate the cooling circuit pump if room temperature exceeds setpoint.

Boost heating

Used to reach new setpoints faster by shortening heating up times.

Quick setback

Switches heating off for a period, depending on outside temp and building time constant.

Optimum start stop control

Optimizes temperature level changes to reach Comfort setpoint at switching times.

Raising the Reduced setpoint

Primarily used in low-capacity heating systems to prevent excessive cooling.

Overtemp prot pump circuit

Ensures energy supply to pump heating circuits corresponds to demand.

Mixing valve control

Controls mixing valve boost, actuator type, switching differential, and running time.

Floor curing function

Ensures controlled drying of floors by controlling flow temperature profiles.

Excess heat draw

Allows excess heat to be drawn off by space heating, triggered by bus or storage tank recooling.

Buffer storage tank primary controller

Settings for buffer storage tank and primary controller/system pump interaction.

Cooling circuit 1

Details on operating the cooling circuit, including mode selection and setpoints.

Cooling via common heating cooling pipe

Diagram showing energy draw from the same circuit for cooling and heating.

Cooling via separate cooling pipe

Diagram showing energy draw from separate circuits for cooling and heating.

Operating mode

Selecting operating modes (Off, Automatic) for cooling functions.

Setpoints

Defines the Comfort setpoint for cooling, adjustable via the room unit.

Release

Determines the time program for enabling cooling based on 24h/day or time programs.

Cooling curve

Determines required flow temperature for cooling based on two fixed points.

ECO

Settings for cooling limit at outside temperature and lock time at end of heating.

Summer compensation

Shifts cooling comfort setpoint upwards with increasing outside temperature to save energy.

Flow temperature setpoint limitations

Defines a low limit for the flow temperature required for cooling.

Room influence

Compensation variants for room temperature sensor to improve control accuracy.

Room temperature limitation

Function to deactivate cooling circuit pump if room temp falls below preset difference.

Mixing valve control

Controls mixing valve decrease, actuator type, switching differential, and running time.

Dewpoint monitoring

Detects condensation formation and controls cooling circuit based on humidity.

Buffer storage tank primary controller

Settings for buffer storage tank and primary controller/system pump interaction.

DHW

Controls DHW temperature via time program or setpoint, with priority options.

Setpoints

Defines DHW temperature setpoints activated based on selected operating mode.

Release

Determines DHW release based on 24h/day, time programs, or DHW release.

Charging priority

Sets priority for DHW charging over space heating to ensure heat source capacity usage.

Legionella function

Function to combat legionella bacteria, with options for periodic or weekday activation.

Circulating pump

Controls circulating pump release, cycling, and setpoint for DHW heating.

Hx pumps

Prerequisites and operation of Hx pumps based on heat/refrigeration requests.

Swimming pool

Facilitates swimming pool heating using solar energy or heat pump with adjustable setpoints.

Primary controller system pump

Mixes flow and overcomes pressure drop for heating/cooling groups.

Heat pump

Describes function diagrams and components for different heat pump types.

Function diagrams

Illustrates components and designations for brine-to-water, water-to-water, and air-to-water heat pumps.

Condenser pump

Controls condenser pump operation based on frost protection, temperature requests, and parallel operation.

Source pump

Functions to prevent operation at low source temperatures and protect source temperature.

Compressor control in plants without buffer or combi storage tank

Controls compressor based on return temperature and switching differentials.

Compressor control in plants with buffer or combi storage tank

Controls compressor using buffer/storage tank sensors and return temperature sensor.

Compressor settings

Settings for minimum compressor run time, off time, switch-off temperatures, and delay on startup.

Electric immersion heater in the flow

Controls electric immersion heater using relay outputs, sensors, and operating modes.

Heat pump protection during DHW charging

Protects heat pump during DHW charging by managing charging attempts and switch-off.

General parameters

Parameters for compensating heat deficits and behavior during floor curing function.

Defrost function for air-to-water HP

Defrosting evaporator using fan or process reversal, with plant diagrams for heating and defrost modes.

Automatic defrost function

Triggers defrost based on temperature difference and controls process reversal.

Cooling

Details on active and passive cooling modes, including system requirements.

Passive cooling

Accomplished by circulating cold water without refrigeration source.

Cascade

Controls heat sources in a cascade system, managing priority and sequence.

Solar

Controls solar charging for swimming pools, DHW, and buffer tanks with priority settings.

Priority

Sets priority for charging storage tanks or swimming pool based on heat exchangers.

Start function

Activates collector pump for a minimum running time, with activation based on collector sensor.

Frost protection for the collector

Activates collector pump to prevent freezing when risk of frost is detected.

Overtemperature protection for the collector

Continues storage tank charging to reduce excess heat when overtemperature risk exists.

Buffer storage tank

Integrates buffer storage tank for charging via heat pump, solar, or immersion heater.

Forced charging

Triggers buffer storage tank charging to save electricity or charge before heat pump lockout.

Automatic locks

Manages automatic generation locks and temperature differentials for buffer/HC.

Stratification protection

Provides hydraulic balancing between consumers and heat source for buffer storage tanks.

Overtemperature protection

Charges buffer storage tank until maximum charging temperature is reached.

Recooling

Recools buffer storage tank, DHW/HCs, or collector to specific temperatures.

Electric immersion heater

Details on electric immersion heater for buffer storage tank and flow.

DHW storage tank

Controls DHW temperature via time program or setpoint, with priority options.

Abortion of DHW charging

Criteria leading to DHW charging abortion by the heat pump.

Charging control

Manages DHW request to heat source based on setpoint boost and heat transfer.

Charging time limitation

Sets time limits for DHW charging to prioritize space heating.

Overtemperature protection

Reactivates collector pump until maximum storage tank temperature is reached.

Electric immersion heater

Ensures DHW charging when heat pump is locked or cannot complete process.

Plant hydraulics

Defines whether DHW storage tank receives heat via primary controller or system pump.

Speed-controlled pump

Limits charging pump speed to minimum and maximum permissible values.

Instantaneous DHW heater

Supports DHW heating via external heat exchanger using buffer storage tank.

Configuration

Procedure for selecting and adjusting plant diagrams and parameters.

Preselection of plant diagram

Preselects plant diagrams by entering a number and connecting sensors.

Manual setting adjustment of partial diagrams

Manually produces plant diagrams using partial diagrams or adjusts existing ones.

Heating cooling circuit 1

Enables switching heating circuit 1 on/off and deactivates cooling circuit.

Heating circuit 2

Enables switching heating circuit 2 on and off.

DHW controlling element Q3

Sets DHW control element as none, charging pump, or diverting valve.

Separate DHW circuit

Temporarily uses a heat source for DHW charging only, decoupling it from space heating.

Heat pump

Selects heat source type and defines refrigeration generation.

Heat source

Selects heat source type (Brine, Water, Air, External) and defines sensors.

Refrigeration

Defines whether refrigeration is generated and for which system (4-pipe or 2-pipe).

Solar

Controls solar controlling element and external solar exchanger for storage tanks.

Output relay QX

Defines the function of relay outputs 1 to 6 individually.

Relay outputs QX1 - QX6

Assigns functions to relay outputs, e.g., compressor, pump, or valve control.

Sensor input BX1, BX2, BX3, BX4, BX5

Defines the use of BX sensor inputs for various sensors.

Input H1, H3

Determines function of H1/H3 inputs based on contact closure or analog signal.

Input Ex1, EX2, EX3, EX4, EX5, EX6, EX7

Defines the function of Ex inputs (230 V) like electrical utility lock or low tariff.

Mixing group

Defines use of mixing group 1 and its inputs/outputs for logical assignment.

Extension module

Details functions for extension modules 1 and 2, including inputs and outputs.

Frost protection on the extension module

Frost protection for heating/cooling circuits on extension module mirrors controller settings.

QX extension module

Defines the use of QX relay outputs on the extension module.

BX extension module

Defines the use of BX sensor inputs on the extension module.

H2 extension module

Settings for input H2 on extension module match Hx inputs on basic unit.

10 V output UX

Voltage-modulated output for speed-controlled pumps or temperature requests.

Types of sensor readjustment

Selection and readjustment of sensor types like collector, and outside sensors.

Building and room model

Adjusts the response rate of flow temperature setpoint to varying outside temperatures.

Frost protection for the plant

Activates heating circuit and condenser pumps based on outside temperature.

Air dehumidifier

Activates and deactivates air dehumidification based on humidity levels.

Sensors

Saving and resetting sensor states for proper controller operation.

Parameters

Saving and resetting parameters to default values.

Plant diagram

Checks the correct plant diagram by comparing check numbers.

Check numbers

Generates a check number to identify the current plant diagram.

LPB system

Configuration of device address, segment address, and bus power supply.

Address power supply

Sets device and segment addresses and manages bus power supply.

Central functions

Defines ranges of action for central changeover, summer changeover, and operating mode.

Action changeover functions

Defines the range of action for central changeover of operating mode.

Summer changeover

Defines the range of action for summer changeover (local or central).

Optg mode changeover

Defines the range of action for operating mode changeover via input H.

Clock

Sets clock mode (Autonomous, Slave, Master) and outside temp source.

Errors

Displays and manages error messages, including reset and history.

Reset

Resets alarm relays and heat pump errors.

Error message functions

Monitors setpoint and current temperature differences to trigger error messages.

Error history

Saves and displays the last 10 errors with associated state codes.

Error list

Provides error texts, location, reset methods, HP operation status, and priority.

HP operation

Indicates whether the heat pump can continue operation during a fault.

Alarm messages

Delivers alarm messages for remote monitoring and sets alarm relay.

Maintenance special operation

Functions for periodic plant monitoring and maintenance messages.

Interval for heat pump maintenance

Sets interval for heat pump service and displays elapsed time since last visit.

Maximum number of starts of compressor 1 per hour run

Sets maximum permissible compressor starts per hour and displays average starts.

Maximum number of starts of compressor 2 per hour run

Sets maximum permissible compressor starts per hour and displays average starts.

Number of times per week the temperature differential across the condenser exceeds the maximum

Indicates how many times the max temperature differential across condenser may be exceeded weekly.

Number of times per week the temperature differential across the condenser falls below the minimum

Indicates how many times the min temperature differential across condenser may drop weekly.

Number of times per week the temperature differential across the evaporator exceeds the maximum

Indicates how many times the max temperature differential across evaporator may be exceeded weekly.

Number of times per week the temperature differential across the evaporator drops below the minimum

Indicates how many times the min temperature differential across evaporator may drop weekly.

Interval for maintenance of DHW storage tank

Sets interval for DHW storage tank servicing and displays elapsed time since last visit.

Minimum DHW charging temperature

Minimum temperature for DHW charging by heat pump without abortion.

Other maintenance messages

Lists other maintenance messages with associated priorities.

Economy mode

Activates or deactivates economy mode.

Emergency operation

Starts emergency operation using electric immersion heaters when heat pump is faulty.

Simulation

Simulates outside temperatures for commissioning and fault tracing.

Manual defrost

Manually triggers the heat pump's defrost function.

Resetting limitations

Resets limitations to allow heat pump operation after shutdown.

Definition of responsibilities

Sets phone numbers for error and maintenance messages.

Input output test

Checks correct functioning of connected components via input/output tests.

Output test relays

Tests relay outputs by energizing them and checking wiring.

Output test UX P1

Delivers appropriate signals for UX/P1 outputs for checking.

Input test sensors

Displays relevant input for checking when selecting settings from input test sensors.

Input test H1, H2, H3

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

State of plant

Visualizes the current operating state of the plant using status displays.

Messages

Displays various status messages for heating circuits, DHW, cooling, and heat pump.

State heating circuit

Shows states like manual control, frost protection, and summer operation.

State DHW

Displays states related to DHW charging, recooling, and heating modes.

State cooling circuit

Shows states for cooling mode, frost protection, and temperature limitations.

State heat pump

Displays states for emergency operation, faults, and cooling modes.

State solar

Shows states for manual control, fault, frost protection, and recooling.

History

Displays the last 10 status messages with associated state codes.

Diagnostics cascade

Displays priority, state, temperatures, and sequence of sources/stages in a cascade.

Prioritystate

Shows priority and state information for sources 1 through 16.

Diagnostics heat source

Displays setpoints, actual values, relay states, and meter readings for heat sources.

Setpoints and actual values

Queries setpoints and actual values for heat pump components like temperature and modulation.

Remaining times

Shows remaining off/on times for compressor stages.

Compressor

Displays compressor sequence and related time settings.

Time start counter

Shows operating hours and start counts for compressors and electric immersion heater.

Heat pump air

Displays operating states of fan, process reversing valve, evaporator temperature, and defrost settings.

Solar

Displays operational data for solar pumps, collector temperatures, and energy yields.

Diagnostics consumers

Displays setpoints, actual values, and states for consumers like outside temp and room temp.

Outside temperature

Displays current, min, max, attenuated, and composite outside temperatures.

Room

Displays relative room humidity, room temperature, and dewpoint temperature.

Heating circuits 1, 2, P

Shows operating states of heating circuit pumps, mixing valves, and speeds.

Cooling circuit 1

Displays states of cooling circuit pump, mixing valve, and flow temperature.

DHW

Shows DHW pump status, heater status, speeds, temperatures, and controller values.

Swimming pool

Displays current swimming pool temperature and setpoint.

Primary controller

Displays current primary controller temperature and setpoint.

Common flow

Displays common flow temperature, setpoint, and refrigeration setpoint.

Buffer storage tank

Displays setpoints, actual values, and operating hours for buffer storage tank.

Input H1

Displays temperature setpoints for inputs H1, H2, H3 when activated.

Water pressure

Displays water pressure for inputs H1, H2, H3 when activated.

Plant diagrams

Basic diagrams

Preselectable plant diagrams based on numbers, including sensors and optional components.

Plant diagram 1

Brine-to-water heat pump with pump heating circuit.

Plant diagram 2

Brine-to-water heat pump with pump heating circuit and DHW storage tank.

Plant diagram 3

Brine-to-water heat pump with pump heating circuit and DHW diverting valve.

Plant diagram 4

Brine-to-water heat pump with buffer storage tank and mixing/pump heating circuit.

Plant diagram 5

Brine-to-water heat pump with buffer, DHW tank, charging pump, and mixing/pump circuit.

Plant diagram 6

Brine-to-water heat pump with buffer, DHW tank, diverting valve, and mixing/pump circuit.

Plant diagram 7

Brine-to-water heat pump with combi storage tank, DHW charging pump, and mixing/pump circuit.

Plant diagram 8

Brine-to-water heat pump with combi storage tank, DHW diverting valve, and mixing/pump circuit.

Plant diagram 9

Air-to-water heat pump with pump heating circuit.

Plant diagram 10

Air-to-water heat pump with pump heating circuit and DHW storage tank.

Plant diagram 11

Air-to-water heat pump with pump heating circuit and DHW diverting valve.

Plant diagram 12

Air-to-water heat pump with buffer storage tank and mixing/pump heating circuit.

Plant diagram 13

Air-to-water heat pump with buffer storage tank, DHW tank, charging pump, and mixing/pump circuit.

Plant diagram 14

Air-to-water heat pump with buffer storage tank, DHW diverting valve, and mixing/pump circuit.

Plant diagram 15

Air-to-water heat pump with combi storage tank, DHW charging pump, and mixing/pump circuit.

Plant diagram 16

Air-to-water heat pump with combi storage tank, DHW diverting valve, and mixing/pump circuit.

Plant diagram 17

Brine-to-water heat pump, DHW storage tank with diverting valve, solar collector, and pump heating circuit.

Plant diagram 18

Brine-to-water heat pump, combi storage tank, DHW diverting valve, solar collector, and mixing/pump circuit.

Plant diagram 19

Air-to-water heat pump, DHW storage tank with diverting valve, solar collector, and pump heating circuit.

Plant diagram 20

Air-to-water heat pump, combi storage tank, DHW diverting valve, solar collector, and mixing/pump circuit.

Plant diagram 21

Brine-to-water heat pump, DHW storage tank, charging pump, pump heating, and mixing cooling circuit.

Plant diagram 22

Brine-to-water heat pump, DHW tank, charging pump, buffer tank, mixing/pump circuit, cooling circuit.

Plant diagram 23

Brine-to-water heat pump, combi storage tank, DHW diverting valve, and mixing/pump circuit.

Plant diagram 24

Air-to-water heat pump, DHW diverting valve, mixing/pump circuit, and cooling circuit.

Heat refrigeration source variants extra functions

Refer to Partial Plant Diagram Catalog for source variants and extra functions.

Technical data

Basic unit RVS61.843

Technical specifications for the basic unit RVS61.843.

Extension module AVS75.390

Technical specifications for the AVS75.390 extension module.

Operator and room unit AVS37... QAA7 x QAA55..

Technical specifications for operator and room units.

RF module AVS71.390

Technical specifications for the AVS71.390 RF module.

Wireless outside sensor AVS13.399

Technical specifications for the wireless outside sensor AVS13.399.

RF repeater AVS14.390

Technical specifications for the RF repeater AVS14.390.

Sensor characteristics

Temperature and resistance characteristics for NTC and Pt1000 sensors.

NTC 1 k

Temperature vs. resistance data for NTC 1k sensor.

NTC 10 k

Temperature vs. resistance data for NTC 10k sensor.

Pt1000

Temperature vs. resistance data for Pt1000 sensor.

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