Vaillant MultiMatic 700/2 Product Training Download Page 27

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multiMATIC 700/2

Notes

10/2015

Training 0020228700_00

System diagram 8.2

This system diagram does not contain all of the cut-off and safety devices required for correct installation. Comply with the

applicable standards and directives. Comply with the necessary minimum circulation water volumes in the heating circuit

System diagram = 8

VR 71

Summary of Contents for MultiMatic 700/2

Page 1: ...Weather compensator multiMATIC 700 2 ...

Page 2: ......

Page 3: ...iagrams 9 4 Application technology 39 4 1 Appliance properties 39 4 2 Using the controller 40 4 3 Displays indicators 41 4 3 1 Menu display 41 4 4 Controller settings 42 4 4 1 Operating level 1 basic user 42 4 4 2 Basic controller configuration level 2 48 4 5 Higher level control functions 59 4 5 1 Automatic configuration 59 4 5 2 Sensors 60 4 5 3 DCF signal 60 4 5 4 Energy manager 60 4 5 5 Chimne...

Page 4: ...the VR 91 93 6 Maintenance troubleshooting 97 6 1 Maintenance messages 97 6 2 Fault messages 98 6 3 Sensor values 100 6 4 Additional troubleshooting information 101 6 4 1 Power supply for the VR 70 VR 71 101 6 4 2 Checking the eBUS power supply 101 6 4 3 Faulty eBUS communication 101 6 4 4 No display VRC 700 built into the electronics box not working 101 6 4 5 Blank display controller in living ro...

Page 5: ...multiMATIC 700 2 Notes 10 2015 1 Training 0020228700_00 1 Marketing Please refer to the corresponding marketing presentation for marketing notes and ben efits ...

Page 6: ...0 VRC 450 f VRC 470 f VRC 700 VRC 700 2 III 1 5 Weather controlled On Off control system Not a Vaillant product IV 2 0 Electronic On Off room temperature controller VRT 35 f VRT 250 f V 3 0 Modulating room temperature controller VRT 50 VRT 350 f VRT 370 f VI 4 0 Modulating room temperature controller with room temp mod VRS 620 VRC 630 VRC 450 f VRC 470 f VRC 700 eRELAX vSMART VRC 700 2 VII 3 5 Wea...

Page 7: ...n to incorporate up to three regulated heating circuits Basic buffer cylinder management Hot water generation by means of a domestic hot water cylinder Connections for actuators and sensors VR 91 Remote control Can be used with the multiMATIC 700 2 Remote control with room temperature control Setting the target room temperature Measuring room air humidity when the cooling function is activated VR ...

Page 8: ...ion not possible 2 4 Scope of delivery The following items are contained in the scope of delivery of the multiMATIC 700 2 1 pc multiMATIC 700 2 1 pc VRC 9535 DCF or VRC 693 external sensor 1 pc Installation accessories screws and rawl plugs 1 pc 6 pole edge connector for connection of AF with heat generator for plug location X41 1 pc Three pin header for horizontal plug connection in old unit elec...

Page 9: ...reference room approximately 1 5 m from the ground When hanging the controller on a wall connect it to the boiler using a 2 core eBUS line External sensor The external sensor should be installed in a location with the following characteristics Not fully sheltered from the wind Not particularly draughty Not in direct sunlight Not affected by heat sources On a north or north west facing façade When ...

Page 10: ...able a VR 70 module Control Circulation legionella protection pump In conjunction with a multiMATIC 700 2 the pump can be programmed to operate at specific times Hydraulics Safety devices When planning the system check whether there are safety devices expansion relief valve and expansion vessel of a sufficient size in the units If this is not the case additional components must be installed in the...

Page 11: ... 12 Unit electronics 38 Diverter valve internal 13 Heat generator control system 39 Thermostatic mixer 13a Remote control unit 40 Heat exchanger 13b Mixer module 42a Expansion relief valve 13d Hot water charging controller 42b Diaphragm expansion tank 13e System controller 42c Diaphragm expansion vessel for drinking water 13f Expansion module 43 Safety group for water connection 13g Solar module 4...

Page 12: ...2 Well pump 84 Swimming pool 93 Compact buffer cylinder R1 Pump R2 Pump R3 R4 Mixer pump valve R5 R6 Mixer valve S1 Cylinder solar Δϑ sensor temperature sensor S2 Cylinder solar Δϑ sensor temperature sensor S3 Cylinder solar Δϑ sensor temperature sensor S4 Flow Δϑ sensor temperature sensor S5 Flow Δϑ sensor temperature sensor S6 Flow Δϑ sensor temperature sensor S7 PWM signal Drinking water Solar ...

Page 13: ...System diagram 1 1 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 1 VR 70 configuration 1 ...

Page 14: ...multiMATIC 700 2 Notes 10 2015 10 Training 0020228700_00 Connection diagram 1 1 18b ...

Page 15: ...is system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 1 VR 70 configuration 3 ...

Page 16: ...multiMATIC 700 2 Notes 10 2015 12 Training 0020228700_00 Connection diagram 1 2 ...

Page 17: ...m 1 3 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 1 VR 71 ...

Page 18: ...multiMATIC 700 2 Notes 10 2015 14 Training 0020228700_00 Connection diagram 1 3 ...

Page 19: ...s system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 2 VR 70 configuration 1 ...

Page 20: ...multiMATIC 700 2 Notes 10 2015 16 Training 0020228700_00 Connection diagram 2 ...

Page 21: ... 6 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 6 No VR 70 ...

Page 22: ...multiMATIC 700 2 Notes 10 2015 18 Training 0020228700_00 Connection diagram 6 ...

Page 23: ...s system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 7 VR 70 configuration 1 ...

Page 24: ...multiMATIC 700 2 Notes 10 2015 20 Training 0020228700_00 Connection diagram 7 ...

Page 25: ...8 1 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 8 No VR 70 ...

Page 26: ...multiMATIC 700 2 Notes 10 2015 22 Training 0020228700_00 Connection diagram 8 1 ...

Page 27: ...m 8 2 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 8 VR 71 ...

Page 28: ...multiMATIC 700 2 Notes 10 2015 24 Training 0020228700_00 Connection diagram 8 2 ...

Page 29: ...m 8 3 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 8 VR 71 ...

Page 30: ...multiMATIC 700 2 Notes 10 2015 26 Training 0020228700_00 Connection diagram 8 3 ...

Page 31: ...8 4 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 8 No VR 70 ...

Page 32: ...multiMATIC 700 2 Notes 10 2015 28 Training 0020228700_00 Connection diagram 8 4 ...

Page 33: ...s system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 9 VR 70 configuration 5 ...

Page 34: ...multiMATIC 700 2 Notes 10 2015 30 Training 0020228700_00 Connection diagram 9 ...

Page 35: ...10 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 10 No VR 70 ...

Page 36: ...multiMATIC 700 2 Notes 10 2015 32 Training 0020228700_00 Connection diagram 10 ...

Page 37: ...11 This system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 11 No VR 70 ...

Page 38: ...multiMATIC 700 2 Notes 10 2015 34 Training 0020228700_00 Connection diagram 11 ...

Page 39: ...s system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 12 VR 70 configuration 5 ...

Page 40: ...multiMATIC 700 2 Notes 10 2015 36 Training 0020228700_00 Connection diagram 12 ...

Page 41: ...s system diagram does not contain all of the cut off and safety devices required for correct installation Comply with the applicable standards and directives Comply with the necessary minimum circulation water volumes in the heating circuit System diagram 13 VR 70 configuration 1 ...

Page 42: ...multiMATIC 700 2 Notes 10 2015 38 Training 0020228700_00 Connection diagram 13 ...

Page 43: ...nt heating circuits e g in single occupancy houses and self contained flats or with two heating circuits e g for radiators and underfloor heating The controller has two selection buttons and a rotary knob Both selection buttons have a soft key function The function changes depending on your location in the program structure and which entry is selected The installation assistant will guide you thro...

Page 44: ...ey function 5 Display You can use the selection buttons to navigate to one selection level lower or higher within the program structure highlight a setting confirm a set value activate an operating mode directly or cancel the change to a set value You can use the rotary knob to navigate to the left or right through the entries on a selection level by turning to the left or right highlight a select...

Page 45: ...has been set for heating 4 3 1 Menu display Menu Information Desired temperatures Time programmes Back Select Menu display Key 1 Scroll bar appears when there are more entries than can be shown 2 Display field of the executable functions via the selection buttons 3 Display field in which the following information can be displayed The next selection levels settings sys tem data or fault messages 4 ...

Page 46: ...ally experienced user Basic controller configuration 3 Competent person Installer level 4 4 1 Operating level 1 basic user 4 4 1 1 Setting changing the desired temperature Display Turn the rotary knob clockwise or anti clockwise to switch on the background lighting The basic display will disappear and a request will appear asking whether you wish to change the desired temperature for the current o...

Page 47: ...he system efficiently in different day to day situations 1 Off Auto Day Set back 2 Off Auto Day 3 Auto Day Set back 4 Off Auto Day Menu structure Ventilation boost Cylinder boost System OFF active Heating 1 Manual cooling 5 1 day at home Party function Cooling 2 5 Ventilation 3 Domestic hot water 4 1 day away from home Only in conjunction with recoVAIR 4 5 Displayed if Cooling possible Yes selecte...

Page 48: ...de these time periods the controller works using the controller behaviour that the competent person has preset for the specific customer There are three controller be haviours to choose from Eco The heating function has been switched off and the outside temperature is moni tored If the outside temperature falls below 3 C the controller switches the heating function on after the frost protection de...

Page 49: ...ature that has been set All functions incl solar are switched off Frost protection functions are activated Frost protection function The frost protection function protects the heating installation and apartment from frost damage It is also active in the System off operating mode The frost protection func tion monitors the outside temperature If the outside temperature falls below 3 C the controlle...

Page 50: ... home function can be activated from any operating mode This function is useful if the user is not at home for a day The time periods do not need to be changed e g increasing the target room temperature over the day This function makes the system exit the active operating mode as follows The target room temperature is set to the Set back temperature and then adjusted accordingly The temperature ca...

Page 51: ...manently as the Desired day temperature Hot water generation and circulation are switched on The function will be deactivated after 6 hours or after it has been cancelled The heating installation will then go back to working in the operating mode that was pre viously set The Party function can be activated from any operating mode This is where the cooling function can be activated for a specific n...

Page 52: ...ormally applied by the competent person The last sub item provides access to the installer level level 4 which is protected by a 3 digit code The code set in the factory is 000 The number of values displayed that can be changed depends on whether ac cessories such as the VR 70 VR 71 module or the VR 91 remote control are connected Accessories connected via eBUS also have an effect on the number of...

Page 53: ...lay in C Only with the VR 70 6 12 The calculated solar yield of the VPM S VPM D VMS and auroSTEP plus is also transferred to the VRC 700 Solar yield Display in kWh Reset solar yield Yes No Environmental yield Display in kWh Only in conjunction with geoTHERM 3 kW aroTHERM and flexoTHERM Reset environmen tal yield Yes No Current room air hum Display in Display only for wall mounted controllers triVA...

Page 54: ...lay The graphic display provides an overview of the controller s yield consumption over a maximum of two years The total yield consumption is continuously updated and the monthly yield consumption bar and its display at the top right are updated every day at 00 00 To reset the total yield consumption go to System status The calculated solar yield of the VPM S VPM D VMS and auroSTEP plus is also tr...

Page 55: ...mestic hot water Electricity Display in kWh Only in conjunction with ecoTEC exclusive 5 flexoTHERM VR 71 Fuel Display in kWh Installer Phone number The name and phone number entered under Installer menu Service information Contact details can be seen here The serial number and controller type e g VRC 700 can be read here Current month Last month History Contact details Serial number Gas Electricit...

Page 56: ...emperatures and time pro grammes that is assigned to a heating circuit The settings are configured in the end customer level Parameters relating to the flow temperature are mainly set in the heat ing circuit The settings are configured in the installer level It is currently possible to build a system that has either one heating circuit with one zone one heating circuit with two zones aroTHERM only...

Page 57: ...ies to Automatic mode Within the time periods programmed for a week Comfort mode Override mode 1 day at home or Days at home Set back temp heat The temperature that is set applies to Automatic mode Outside all the time periods that have been programmed for a week Set back temp or Eco must be set in the installer menu under System configuration Heating circuit 1 Auto Off mode in order to use this f...

Page 58: ...igh tariff Mo Su 11 00 13 00 Time programmes The controller indicates any conflicts that occur during programming by showing in the time period Example The heating times for ZONE 1 are different on weekdays and at weekends When block programming for Monday to Sunday is called up appears in order to indicate that any time periods which have already been programmed will be deleted Domestic hot water...

Page 59: ...ied time period has elapsed or if the function is cancelled the operating mode that was previously set is reactivat ed 4 4 2 6 Days at home scheduling This function allows you to plan days that will be spent at home Time periods e g re ducing the target room temperature over the course of the day do not need to be changed Within the specified period the heating installation works in Automatic mode...

Page 60: ...t hand selection button repeatedly until the basic display appears Press the left selection button again Turn the rotary knob to clockwise until the second entry above the dotted line is highlighted Press the right selection button twice Turn the rotary knob until you find a language that you understand Press the right selection button Language Basic settings Language Date time Display Operating m...

Page 61: ...ll be activated immediately and you will not be able to operate the controller again until you press the OK button for 3 seconds The button lock will be reactivated if there is no activity on the controller for 1 minute This prevents the parameters from being changed unintentionally This can be used to select whether the controller s basic display shows the tempera ture for heating or cooling or w...

Page 62: ...ating mode selection button or from the basic display using the Operating mode selection button Difference The Operating mode selection button can be used to directly select the operating mode that the competent person has preset for a particular zone All Zone1 Zone2 Zone3 1 The Menu Default setting Operating mode selection button can be used to se lect and set the operating mode for each zone sep...

Page 63: ...guration Once the controller is supplied with power at the eBUS connection it scans the eBUS and automatically finds all eBUS components connected This process is re peated every 10 minutes Certain menu levels parameters and information are only displayed once the rele vant accessory items are detected If an accessory is detected but cannot be reached after 15 minutes an error mes sage is displaye...

Page 64: ...mote time signal the date and time are shown on the dis play A prerequisite for this is that the DCF signal is detected twice consecutively with out error If operation is without DCF reception the date and time can be entered man ually A switch over between summer and winter time can also be activated This takes place on the last Sunday in March the time skips from 01 59 to 03 00 and on the last S...

Page 65: ...ay be reset to the factory setting This sets all parameters back to the factory setting including the code Service information contains the contact details name and phone number of the com petent person and the next service date The system configuration section of the installer level is logically divided up into the following sub sections System System diagram config Additional module Heat gen era...

Page 66: ...RM and flexoTHERM Start OT cooling 10 30 C Source regeneration No Yes Current room air hum Display in Display only for wall mounted controllers Current dew point Display in C Displayed only if Cooling possible Yes Room temp mod Temp mod and Zone assignment VRC 700 or VR 91 selected Hybrid manager triVAI Biv point Only in conjunction with geoTHERM 3 kW aroTHERM and flexoTHERM Bivalence point Parall...

Page 67: ...ent heating time 1st example Outside temperature OT constant heating 2nd example Outside temperature OT constant heating Example for OT constant heating DIN EN 12831 Sections 7 3 and 9 2 2 states that supplementary heating can be decreased when designing the heat generator Additional heating capacity is however not required if the system ensures that this reduction does not take place on the colde...

Page 68: ...his function is only available if the controller has been installed in the living area and the thermostat function has been activated 4 5 7 2 System diagram configuration Prompt setting Select Comment System diagram 1 13 See Section 5 for more details Config VR 70 addr 1 1 12 MA VR 70 addr 1 No funct Charg pump Circ pump Cool signal Leg pump HC pump Only with Config VR 70 1 3 6 Since only setting ...

Page 69: ...s displayed here 4 5 7 6 Additional module Prompt setting Select Comment Status Standby Heat mode Cooling DHW Only in conjunction with aroTHERM and flexoTHERM 4 5 7 7 HEATING CIRCUIT 1 2 3 Prompt setting Select Comment Type of circuit Inactive Heating Fixed value DHW Ret fl incr Pool Selects the type of circuit Status Standby Heat mode Cooling DHW Target flow temp Display in C Displays the target ...

Page 70: ...perature Only if the controller is wall mounted and zones have been assigned for VRC 700 and or VR 91 Cooling possible No Yes Dew point monitoring No Yes Displayed only if Cooling possible Yes selected Min cool fl tgt temp 7 24 C End OT cooling 4 25 C Offset dew point 10 10 K Displayed only if Cooling possible Yes when Room temp mod Temp mod and Zone assignment VRC 700 or VR 91 selected Status ext...

Page 71: ...circuit 2 only Dew point monitoring Excessive temp heating circuit 2 only Min cool fl tgt temp Max limit outs temp Cooling start temperature Heating curve Offset dew point Minimum temperature Status ext heat dem Maximum temperature Pump status Auto Off mode Mixer status heating circuit 2 only Fixed value Pool Status Maximum temperature Target flow temp Target flow temp Day Current temperature heat...

Page 72: ...m temperature Tcurrent measured room temperature Ttarget Tcurrent max 7 K Example Ttarget 21 C 1 Tcurrent 19 C 2 Tcorr 21 C 21 C 19 C Tcorr 23 C 3 Result The heating curve is translated by a room temperature of 2 K This results in an increase in the flow temperature This normally also increases the room temperature Adjusting the heating curve using room temperature modulation Thermostat function I...

Page 73: ...value This allocation shown graphically gives rise to the heating curve It can vary according to the climate zone building type heating system and individual customer require ments An optimum heating curve setting may require several corrections in the course of be ing determined if the desired room temperature is not achieved as the outside temper atures vary To this end the gradient of the heati...

Page 74: ... protection is also acti vated regardless of the measured out side temperature If you set a delay time the frost protec tion function will be disabled during this period Function sequence when setting the Auto Off mode Eco parameter This function will only work if the Eco setting is selected for the Auto Off mode func tion 4 5 7 8 Zone 1 2 3 Prompt setting Select Comment Zone activated Yes No Day ...

Page 75: ...nes must be assigned for configurations 2 4 If there is more than one zone in the system no 3 and 4 VRC 700 and VR 91 can be assigned to any zone 4 5 7 9 Domestic hot water Prompt setting Select Comment Cylinder Inactive Active Target flow temp Display in C Domestic hot water 35 70 C Current cyl temp Display in C Cylinder charging pump On Off Displayed with diagram 2 with VR 70 3 5 6 with VR 71 3 ...

Page 76: ...K or more below the tar get value the VR 70 activates the charging pump The value calculated as the Target flow temperature for cylinder charging is now assigned to Forced Mode on the boiler The controller sets the boiler to Cylinder charging mode sets the target flow tempera ture switches the diverter valve inside the boiler if installed to the Heating position and switches on the integrated heat...

Page 77: ...er temperature 60 C Cylinder charging offset 15 K Set target temperature for cylinder charging 75 C Charging pump overrun time After switching off the unit at the end of cylinder charging the cylinder charging pump overrun time begins During this time no heat request is sent to the heat generator All other functions actuation of charging pump continue during this time This function enables the hig...

Page 78: ...energy in order to avoid having to activate the fossil fuel boiler Buffer cylinder management only works with system diagrams 1 and 8 13 Prompt setting Select Comment Cyl temp Top Display in C Displayed with VR 70 1 VR 71 and sys tem diagram 1 and 8 13 Cyl temp Bottom Display in C 4 5 7 11Buffer cylinder VR 70 3 The VR 70 3 setting allows a basic allSTOR system to be controlled so that it func tio...

Page 79: ...ollector temperature sensor has risen by 2 K due to solar radiation Solar circuit prot 110 150 C If the temperature at the collector tempera ture sensor exceeds the adjustable solar circuit protection temperature the collector pump remains switched off Min collector temp 0 99 C Purging time 0 600 min Current flow rate Display in l min Basic function Solar function The solar function is always acti...

Page 80: ...l is reached after 15 seconds the solar pump goes into regu lar operation again If the switch on temperature difference is not reached the current collector tempera ture is saved as a reference value Pump boost is carried out again when the meas ured collector temperature has risen by 2 K again Solar circuit protection function If the solar heat available exceeds the current heat demand e g all cy...

Page 81: ...allen below the solar circuit protection hysteresis 30K is the pump switch on block removed and the usual switch on conditions apply to re start the collector pump 4 5 7 13Solar cylinder 1 VR 70 6 12 Prompt setting Select Comment Switch on differential 2 25 K Switch off differential 1 20 K Maximum temperature 0 99 C Cyl temp Bottom Display in C Maximum temperature A maximum limit for the solar cyl...

Page 82: ...n Prompt setting Select Comment Air quality sensor 1 Display in ppm Only in conjunction with recoVAIR 4 Air quality sensor 2 Display in ppm Max air quality sensor 800 2000 ppm During the actuator test actuators for the connected module such as pumps or mix ers can be activated in sequence The values measured by the sensors can also be read Prompt setting Select Comment VR 70 addr1 VR 71 Actuators ...

Page 83: ...rget flow temperature for this day 1 25 C 2 30 C 3 35 C 4 40 C 5 45 C 6 12 45 C 13 40 C 14 35 C 15 30 C 16 25 C 17 23 10 C frost protection function pump in operation 24 30 C 25 35 C 26 40 C 27 45 C 28 35 C 29 25 C The display shows the operating mode with the current day and target flow tempera ture The current day can be set manually When the function is started the current time of the start is ...

Page 84: ...Ventilation boost Cylinder boost 5 System OFF active Heating 1 Hot water 4 5 Manual cooling 6 1 day at home 1 day away from home Party function 1 Off Auto Day Set back 2 Off Auto Day 3 Auto Day Set back 4 Off Auto Day Cooling 2 6 Ventilation 3 Ventilation stage 6 Displayed if Cooling possible Yes is selected in the system configuration Displayed in conjunction with recoVAIR 4 5 Displayed if Cylind...

Page 85: ...ion 4 Day temp heating Day temp cooling 3 Ventilation Ventilation stage Max vent stage Day Max vent stge Night Ventilation Heat recovery 2 Displayed if Hybrid man ager triVAI is selected Consumption 3 Displayed if Cooling possible Yes is selected Fuel consumption 7 4 Displayed if Cylinder active is selected 5 Displayed if Zone activat ed Yes is selected Curr dew point 3 6 6 Displayed if Room temp ...

Page 86: ...ting Press the selection button Level 2 Simple controller configuration 1 Offset Costs Auxiliary heater Low tariff elec rate High tariff elec rate Max room air humidity Preferred display 3 Ventilation Heat recovery Button lock 3 Displayed in conjunction with heat pump and or recoVAIR 4 In conjunction with geoTHERM 3 kW aroTHERM flexoTHERM and if Hybrid manager triVAI is selected in the system conf...

Page 87: ...toring 9 Status ext heat dem 6 ZONE 1 2 3 1 Zone activated Zone assignment Zone valve status Displayed if Zone activated Yes is selected System flow temp 2 Automatic cooling Source regeneration Hybrid manager DHW bivalence point 7 Heat bivalence point 4 Alternative point 4 T emergency mode Auxiliary heater type 5 Energy supplier 7 Auxiliary heater for 7 4 Displayed if Hybrid man ager Bivalence poi...

Page 88: ...2 Cylinder boost offset 1 2 Circulation pump 2 Domestic hot water Parallel cyl charging Max cyl charg time 1 2 DHW req anti cy time 1 2 1 Ch pump overrun time 1 2 Cylinder charging pump 1 2 Cyl temp Bottom Minimum temperature TD1 sensor Maximum temperature TD2 sensor TD output Cyl boost hysteresis Target flow temp Buffer cylinder DHW temp sensor top Heat temp sens bot DHW tmp sensor bot Heat temp ...

Page 89: ...ck the switch cabinet type Old type of electronics box ecoTEC plus unit electronics box with multiMATIC 700 2 Installation Insert the short ends of the three pin plug con nector 2 included with the controller into the three horizontal openings on the controller s PCB 1 Carefully push the controller with the plug con nector into the plug in connection on the electronics box Rear view of multiMATIC ...

Page 90: ...refully plugged into the slot provided 5 1 2 Wall mounting the controller Before the controller can be installed in the living area it must be separated from the wall mounting base The wall mounting base is then fitted to the wall After installing the wall mounting base the eBUS line must be connected to the two terminals on the pin header 5 Key 5 Controller 6 Wall mounting base 7 Mounting opening...

Page 91: ...close to the components in the installation using the fastening mate rial provided 5 1 3 1 Terminal assignment for the VR 70 module VR 70 printed circuit board On contact S7 I stands for Input and O for Output On outputs R3 R4 and R5 R6 1 stands for Open and 2 for Closed The VR 70 configuration must be set in the controller s installer level menu item Config VR 70 addr 1 and not on the module s ad...

Page 92: ...der HC2P Heating pump for heating circuit 2 BufBtCH Bottom cylinder temperature sensor for heating section of allSTOR buffer cylinder HC2cl Close mixer for heating circuit 2 TD1 First temperature sensor for ΔT control HC2op Open mixer for heating circuit 2 TD2 Second temperature sensor for ΔT control DEM2 External heating switch off for heating circuit 2 TDO Output for an actuator for ΔT control F...

Page 93: ...e installation using the fastening mate rial provided 5 1 4 1 Terminal assignment for the VR 71 module VR 71 printed circuit board On contacts S12 and S13 I stands for Input and O for Output On outputs R7 8 R9 10 and R11 12 1 stands for Open and 2 for Closed Since the VR 71 is used as a source of power for the eBUS it is necessary to ensure that the polarity for the eBUS connection between the hea...

Page 94: ... Flow temperature sensor for heating circuit 1 MA Multi function output HC2P Heating pump for heating circuit 2 DHW1 Cylinder temperature sensor HC2cl Close mixer for heating circuit 2 SysFlow System flow temperature low loss header HC2op Open mixer for heating circuit 2 BufTop Top cylinder sensor for the buffer cylinder DEM2 External heating switch off for heating circuit 2 BufBt Bottom cylinder ...

Page 95: ...ion menu depends on the system components detected the configuration set for the VR 70 and the VR 71 and the system diagram that has been set 5 2 1 Settings in the Installation assistant Prompt Select Comment Language DE GB FR IT DK NL ES TR HU RU UA EE LV LT SE NO PL CZ HR SK RO SI System diagram 1 13 System diagrams 3 4 and 5 are currently not supported VR 70 1 config 1 12 VR 70 configurations 2...

Page 96: ...egulation by VRC 700 6 3 kW hybrid system alter native mode of operation DHW only by boiler 7 3 kW hybrid system parallel operation with 2 cir cuits zones DHW only by boiler 8 Mono energy HP system AH requires HP DHW by HP and AH Simple hybrid system AH does not require HP DHW by boiler only 9 Simple hybrid system AH does not require HP DHW by boiler only 10 HP system with heat exchanger AH requir...

Page 97: ...the controller Assignment of system diagrams to heat generators System diagram Heat generator 1 2 Conventional heat generator 6 7 geoTHERM 3 kW Hybrid heat pump 8 9 12 flexoTHERM heat pump 8 9 10 11 12 13 aroTHERM heat pump 5 2 3 Settings and displays indicators on the VR 91 Front view of the VR 91 The VR 91 remote control unit is a wire bound remote control unit for one zone in combination with t...

Page 98: ... scheduling Basic settings Level 2 Simple controller configuration Level 3 Level 1 Setting the desired temperature Ventilation boost Heating 1 1 day away from home 1 day at home Party function 1 Off Auto Day Set back 2 Off Auto Day Cooling 2 3 Time programmes 3 Displayed only if Cooling possible Yes selected in the VRC 700 Auto 13 5 C 11 54 23 0 C Desired heating temp 23 0 C Menu Op mode ...

Page 99: ...tures ZONE 1 2 3 1 Day temp heating Day temp cooling 2 Current dew point Days away from home scheduling Days at home schedul ing Basic settings Language Display Display contrast Room temperature ZONE 1 2 3 1 Enter zone name Offset Preferred display Button lock Enter code Installer level System configuration Fault status Control modules 000 Remote control address 1 Depending on the zone assignment ...

Page 100: ...0228700_00 Prompt Select Comment Language DE GB FR IT DK NL ES TR HU RU UA EE LV LT SE NO PL CZ HR SK RO SI KR Remote control address 1 8 Exit installation assistant Installation assistant Remote control address Language Exit installation assistant ...

Page 101: ...ance The controller service request is displayed Pro grammed with Menu Installer level Service information Service date Heat generator maintenance The boiler service request is displayed Low water pressure heat generator Low water pressure add module Service ventilation unit The ventilation unit service request is displayed Heat pump maintenance The heat pump service request is displayed Low water...

Page 102: ...e cause of the fault can be seen in the unit s DIA system Heat pump Communication fault Heat pump Faulty eBUS plug connection cable defective Heat pump fault No additional module connection Cable defective plug connection not correct Additional module fault Cable defective plug connection not correct Incorrect configuration MA2 VWZ AI Plug in error The controller has been incorrectly installed in ...

Page 103: ...on fault VR 91 Faulty eBUS plug connection cable defective No remote control for the heating circuit Modules Communication fault VPM W Faulty eBUS plug connection cable defective Communication fault VPM S Faulty eBUS plug connection cable defective Communication fault VMS Faulty eBUS plug connection cable defective Solar pump fault General faults Module not supported System diagram selection incor...

Page 104: ...72 222 10 1 862 15 090 54 892 5 1 745 11 520 42 073 0 1 619 8 870 32 510 5 1 494 6 890 25 316 10 1 367 5 390 19 862 15 1 246 4 240 15 694 20 1 128 3 375 12 486 25 1 020 2 700 10 000 30 920 2 172 8 060 35 1 758 6 535 40 1 432 5 330 45 1 173 4 372 50 966 3 605 55 800 2 989 60 667 2 490 65 558 2 084 70 470 1 753 75 397 1 481 80 338 1 256 85 288 1 070 90 248 916 95 213 786 100 185 678 105 160 586 110 ...

Page 105: ...en boiler and eBUS accessories does not need to be taken into account 6 4 3 Faulty eBUS communication If there is no eBUS communication for more than 15 minutes all functions and outputs of the accessory module in question are switched off 6 4 4 No display VRC 700 built into the electronics box not working With this kind of fault there is the possibility that the 3 pin plug connector between the a...

Page 106: ...the multiMATIC 700 2 controller show on its basic display Which operating modes can be set on a multiMATIC 700 2 Explain the term Soft key function used for the two selection buttons What stages are necessary to modify the target room temperature desired tem perature of a heating circuit permanently ...

Page 107: ...utton on the right basic display affects both heating circuits in an in stallation With which Vaillant accessories can the multiMATIC 700 2 communicate Heating circuit Solar Cylinder Remote control With which heat generator is the multiMATIC 700 2 designed to be used Wall hung appliances Free standing appliances Heat pumps Ventilation units ...

Page 108: ...stem alternative mode of operation DHW only by boiler 7 3 kW hybrid system parallel operation with 2 circuits zones DHW only by boiler 8 Mono energy HP system AH requires HP DHW by HP and AH Simple hybrid system AH does not require HP DHW by boiler only 9 Simple hybrid system AH does not require HP DHW by boiler only 10 HP system with heat exchanger AH requires heat exchanger pump mono energy DHW ...

Page 109: ...ary heater is then required less frequently If the Automatic operating mode is used the thermostat function should not be used as the auxiliary heater is then required less frequently Hot water generation using a heat pump If the hot water set target temperature is set to a maximum of 55 C it is possible for the heat pump to cover the hot water demand almost exclusively For set target temperatures...

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Page 112: ...racy of this information All rights reserved Written or electronic reproduction of this document and extracts thereof requires prior approval For the installation always observe the installation and maintenance instructions enclosed with the unit Planning examples are no substitute for having every single system planned by a professional ...

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