Vaillant VRC 700f/4 Installation Instructions Manual Download Page 28

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Appendix

Installation instructions 0020237057_01

A.5

aroTHERM or flexoTHERM

Cylinder

Equipment

Heating cir-
cuits

Setting for

System
diagram

VR 70

VR 71

Monovalent domestic hot water
cylinder for heat pump

1 direct

Monovalent domestic hot water
cylinder for heat pump

1 direct
1 mixed

Monovalent domestic hot water
cylinder for heat pump

1 mixed
1 PV

Monovalent domestic hot water
cylinder for heat pump

2 mixed

Monovalent domestic hot water
cylinder for heat pump

Buffer cylinder for heating circuits only

3 mixed

A.6

aroTHERM and domestic hot water cylinder downstream of low loss header

Cylinder

Equipment

Heating cir-
cuits

Setting for

System
diagram

VR 70

VR 71

Monovalent domestic hot water
cylinder for heat pump

Low loss header for heating circuits and
cylinders

1 direct
1 mixed

Monovalent domestic hot water
cylinder for heat pump

Low loss header for heating circuits and
cylinders

3 mixed

A.7

aroTHERM or flexoTHERM and solar hot water support

Cylinder

Equipment

Heating cir-
cuits

Setting for

System
diagram

VR 70

VR 71

Bivalent domestic hot water cylin-
der for heat pump

Cylinder charging using a heat pump and
solar heat

1 direct

Bivalent domestic hot water cylin-
der for heat pump

Cylinder charging using a heat pump and
solar heat

3 mixed

A.8

aroTHERM or flexoTHERM and solar hot water and heating support

Cylinder

Equipment

Heating cir-
cuits

Setting for

System
diagram

VR 70

VR 71

allSTOR

buffer cylinder

Buffer cylinder charging using a heat
pump and solar heat

1 mixed

allSTOR

buffer cylinder

Buffer cylinder charging using a heat
pump and solar heat

3 mixed

A.9

aroTHERM with system separation

Cylinder

Equipment

Heating cir-
cuits

Setting for

System
diagram

VR 70

VR 71

Monovalent domestic hot water
cylinder for heat pump

Heat exchanger module for heat pump

1 direct

Monovalent domestic hot water
cylinder for heat pump

Heat exchanger module for heat pump

1 direct
1 mixed

Monovalent domestic hot water
cylinder for heat pump

Heat exchanger module for heat pump

2 mixed

Monovalent domestic hot water
cylinder for heat pump

Heat exchanger module for heat pump

3 mixed

Summary of Contents for VRC 700f/4

Page 1: ...n instructions Weather compensated sys tem control VRC 700f 4 GB IE Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 21 91 18 0 Fax 49 21 91 18 2810 info vaillant de www vaillant de ...

Page 2: ...message 24 10 Spare parts 24 10 1 Procuring spare parts 24 10 2 Changing the batteries 24 10 3 Replacing the outdoor temperature sensor 24 10 4 Disposing of the outdoor temperature sensor if defective 24 11 Decommissioning 25 11 1 Decommissioning the heating installation 25 12 Recycling and disposal 25 13 Customer service 25 14 Technical data 25 14 1 System control 25 14 2 Radio receiver unit 26 1...

Page 3: ...necting the actuators and sensors 36 C 2 Connecting the actuators and sensors to VR 70 36 C 3 Connecting the actuators to VR 71 37 C 4 Connecting the sensors to VR 71 37 C 5 VR 70 sensor assignment 37 C 6 VR 71 sensor assignment 37 D Overview of troubleshooting measures 37 D 1 Troubleshooting 37 D 2 Troubleshooting 39 E Maintenance messages 40 Index 41 ...

Page 4: ... commercial processes is also deemed to be improper Caution Improper use of any kind is prohibited 1 2 General safety information 1 2 1 Risk caused by inadequate qualifications The following work must only be carried out by competent persons who are sufficiently qualified to do so Set up Dismantling Installation Start up Inspection and maintenance Repair Decommissioning Observe all instructions th...

Page 5: ...icle number VRC 700f 4 Product designation V Operating voltage mA Current consumption Read the instructions LR06 Battery type designation T60 Max permitted environmental temperature 0 to 60 C 3 2 CE marking The CE mark shows that the products comply with the basic requirements of the applicable guidelines as stated on the data plate The manufacturer hereby declares that the type of radio equipment...

Page 6: ...ure sensor is complete The power supply for the entire heating installation is switched on The system components are switched on The individual installation assistants for the different sys tem components have been completed successfully 4 4 3 Determining the reception strength of the outdoor temperature sensor at the chosen installation site 1 Observe all the points listed in Requirements for de ...

Page 7: ... 4 4 4 Mounting the wall base to the wall C B A 1 Remove the wall base as shown in the figure Ø6 2 Screw in the wall base as shown in the figure 4 4 5 Starting up and fitting the outdoor temperature sensor 1 Start up the outdoor temperature sensor as shown in the figure The LED flashes for a short while 2 Fit the outdoor temperature sensor to the wall base as shown in the figure 4 4 6 Checking the...

Page 8: ...ss one of the se lection buttons or turn the rotary knob Conditions The background lighting is on The display is showing dashes Make sure that the power supply is switched on Conditions The background lighting is on The display is showing dashes The reception strength is 4 Find an installation site for the system control that is within the reception range Conditions The background lighting is on T...

Page 9: ...t position 6 Start up 6 1 Preparatory work for start up All the following preparatory work for starting up the heating installation has been carried out The system control radio receiver unit and outdoor tem perature sensor have been installed and wired The reception strength of the system control and outdoor temperature sensor is 4 The installation assistant is at the Have the installa tion assis...

Page 10: ...1 Completing the installation assistant Once you have gone through the installation assistant Inst assist finished Continue with appears on the display System configuration The installation assistant switches to the system configuration for the installer level in which you can further optimise the heating installation System start The installation assistant switches to the basic display and the he...

Page 11: ...ing installa tion s operating mode Standby The heating installation does not report any heat demand Heat mode The heating installation is in heating mode for the heating circuits Cooling The heating installation is in cooling mode DHW The heating installation is in heating mode for the do mestic hot water in the cylinder 7 3 4 Setting the frost protection delay Menu Installer level System configur...

Page 12: ...t dew point from the room temperature sensor and room air humidity sensor To do this the system control must be installed in the living room and assigned to a zone The thermostat function must be activated 7 3 14 Defining the hybrid manager Menu Installer level System configuration System Hybrid manager You can use this function to determine the hybrid man ager with which the heating installation ...

Page 13: ...ring domestic hot water generation and heating Inactive The back up boiler does not support the heat pump The back up boiler is activated for the anti legionella function frost protection or de icing If the back up boiler is inactive the heating installation can not guarantee comfort You cannot use this function with the hybrid heat pump and it therefore does not appear in the selection list 7 3 2...

Page 14: ...nfig VR71 for the VR 71 you cannot set TD con For configuration 6 you cannot set Charg pump Leg pump or TD con The MA VR71 function does not appear in the display if the functions of the multi function output have been set by the system configuration 7 5 Additional module 7 5 1 Configuring the multi function output Menu Installer level System configuration Addi tional module Multi funct output 2 Y...

Page 15: ...it Pool The heating circuit is being used as a pool circuit You can connect the external pool controller to the DEM1 to DEMx input on the VR 70 or VR 71 If the terminals at the input have short circuited there is no heat demand If the terminals at the input are open there is a heat demand Fixed val The heating circuit is maintained at two fixed target flow temperatures The heating circuit can be s...

Page 16: ...the value set for the minimum temperat ure and if there is a difference adjusts this to the higher value 7 7 13 Setting the maximum flow temperature for the heating circuit Menu Installer level System configuration HEAT ING1 Maximum temperature You can use this function to specify a maximum value for the flow temperature in heating mode for each heating circuit the control system will not exceed t...

Page 17: ...ure Effective room temp target set room temp target set room temp target measured room temp target The effective target room temperature is then used for controlling instead of the set target room temperature Thermost This function works in the same way as the Temp mod function however the zone is also switched off when the measured room temperature is 3 16 K greater than the set target room tempe...

Page 18: ...ture 7 8 5 Assigning a zone Menu Installer level System configuration ZONE1 Zone assignment You can use this function to assign the unit system con trol or remote control that is installed in the zone to the selected zone The control system also uses the room temperature sensor for the assigned unit If you have assigned a remote control unit the remote con trol unit uses all of the values for the ...

Page 19: ...tive at the same time the anti legionella function is not carried out 7 9 9 Setting the hysteresis for cylinder charging Menu Installer level System configuration DHW cir cuit Cyl boost hysteresis If a heat pump is connected you can use this function to set a hysteresis for the cylinder charging For example If the desired temperature is set to 55 C and the temperature difference for cylinder charg...

Page 20: ...perature in the upper section of the buffer cylinder s heating com ponent 7 10 6 Reading the bottom cylinder temperature for heating in the buffer cylinder Menu Installer level System configuration Buffer cylinder Heat temp sens bot You can use this function to read the current temperature in the lower section of the buffer cylinder s heating com ponent 7 10 7 Setting the max target flow temperatu...

Page 21: ...d pur ging time has elapsed the solar circuit protection function is active or the max cylinder temperature has been exceeded 7 11 11 Reading the current flow rate for the VMS 70 Menu Installer level System configuration Solar circuit Current flow rate You can use this function to read the measured flow rate volume flow for the VMS 70 7 12 Solar cylinder 1 7 12 1 Defining the switch on differentia...

Page 22: ...trol Defining the switch off differential for the second temperature difference control Page 22 7 13 5 Reading the value for temperature difference sensor 1 Menu Installer level System configuration 2nd temperature difference control TD1 sensor You can use this function to read the current measured value for temperature difference sensor 1 TD1 7 13 6 Reading the value for temperature difference se...

Page 23: ...tion 24 30 25 35 26 40 27 45 28 35 29 25 The display shows the current day and the target flow tem perature You can manually set the current day The day is always changed at 00 00 irrespective of when the function starts After a mains Off On screed drying starts with the last active day The function ends automatically when the last day of the temperature profile has elapsed day 29 or if you set th...

Page 24: ...rongly recommend that you use original spare parts from the manufacturer as this guarantees fault free and safe operation of the product To receive information about the available original spare parts contact the contact address provided on the reverse of these instructions If you require spare parts for maintenance or repair work use only the spare parts that are permitted for the product 10 2 Ch...

Page 25: ... the radio receiver unit from the heat generator 1 Open the radio receiver unit 2 Disconnect the eBUS lines from the radio receiver unit s terminal block 3 Disconnect the eBUS lines from the heat generator s terminal block 4 Unscrew the wall base from the wall 12 Recycling and disposal Disposing of the packaging Dispose of the packaging correctly Observe all relevant regulations 13 Customer servic...

Page 26: ...rmitted ambient temperature 0 60 Rel room humidity 35 90 Supply line cross section 0 75 1 5 mm Height 115 mm Width 147 mm Depth 50 mm 14 3 Outdoor temperature sensor Power supply Solar cell with energy store Reserve power supply with full energy store 30 days Rated surge voltage 330 V Frequency band 868 0 868 6 MHz Max transmission power 25 mW Range outdoors 100 m Range indoors 25 m Degree of cont...

Page 27: ...er Low loss header for heating circuits only 3 mixed 1 3 Monovalent domestic hot water cylinder or combi cylinder Low loss header for heating circuits and domestic hot water cylinders 1 direct 1 mixed 2 1 Monovalent domestic hot water cylinder or combi cylinder Low loss header for heating circuits and domestic hot water cylinders 3 mixed 2 3 A 3 Gas oil fired condensing unit eBUS and solar hot wat...

Page 28: ...r support Cylinder Equipment Heating cir cuits Setting for System diagram VR 70 VR 71 Bivalent domestic hot water cylin der for heat pump Cylinder charging using a heat pump and solar heat 1 direct 8 6 Bivalent domestic hot water cylin der for heat pump Cylinder charging using a heat pump and solar heat 3 mixed 8 2 A 8 aroTHERM or flexoTHERM and solar hot water and heating support Cylinder Equipme...

Page 29: ...at pump and solar heat Heat exchanger module for heat pump 3 mixed 11 2 A 12 geoTHERM 3 kW hot water generation using a gas fired condensing boiler eBUS Cylinder Equipment Heating cir cuits Setting for System diagram VR 70 VR 71 Monovalent domestic hot water cylinder or combi cylinder Cylinder charging using the condensing unit 1 direct 6 Monovalent domestic hot water cylinder or combi cylinder Cy...

Page 30: ...ram VR 70 VR 71 Monovalent domestic hot water cylinder for heat pump Cylinder charging using a condensing unit and heat pump Hydraulic module 1 direct 1 mixed 12 1 Monovalent domestic hot water cylinder for heat pump Buffer cylinder Cylinder charging using a condensing unit and heat pump Buffer cylinder for heating circuits only 2 mixed 12 5 Monovalent domestic hot water cylinder for heat pump Buf...

Page 31: ...lt setting Min Max Installer level Enter code 000 999 1 000 Installer level Service information Enter contact details Phone number 1 12 Numbers 0 to 9 blank spaces hyphen Installer 1 12 Figures A to Z 0 to 9 space Installer level Service information Service date Next service on Date Installer level System configuration System Fault status Current value Water pressure Current value bar System statu...

Page 32: ...ignal Leg pump TD con No funct Additional module Multi funct output 2 HK 2P Circ pump Dehumid Zone Leg pump Circ pump Aux heater output off Stage 1 Stage 2 Stage 3 Stage 3 Multi funct Input Not conn Circ boost PV Circ boost Heat pump 1 Heat generator 1 Additional module Status Current value Standby Heat mode Cooling DHW Current flow temp Current value HEATING1 Type of circuit Inactive Heating Fixe...

Page 33: ...ue Cyl charging pump Current value off On Circulation pump Current value off On Anti legionella day off Monday Tuesday Wednes day Thursday Friday Saturday Sunday Mon Sun off Anti legionella time 00 00 24 00 hr min 00 10 04 00 Cyl boost hysteresis 3 20 K 0 5 5 Cylinder boost offset 0 40 K 1 25 Max cyl charg time off 20 120 min 5 45 DHW req anti cy time 0 120 min 5 30 Ch pump overrun time 0 10 min 1...

Page 34: ...0 Maximum temperature 0 99 1 99 TD1 sensor Current value TD2 sensor Current value TD output off On off Ventilation Air quality sensor 1 Current value ppm Air quality sensor 2 Current value ppm Air quality sensor 3 Current value ppm Max air qual sensor 400 3000 ppm 100 1000 RF connection Control reception 0 10 1 OT sensor reception 0 10 1 Installer level Sensor actuator test Unit No module VR70 ad ...

Page 35: ...set back target flow temper ature x x Setting the target return temperature x Setting the domestic hot water x Reading the actual temperature x x x x Reading the current cylinder temperature x Setting the excess temperature x x x Setting the max limit outs temp x x x x Setting the heating curve x x Setting the minimum flow temperature for the heating circuit x x Setting the maximum flow temperatur...

Page 36: ...p station or the feedback signal COLP Solar pump SysFlow System flow temperature e g in low loss header CP Circulation pump TD2 Temperature difference sensor 2 DEMx Input for external heat demand for heating circuit x 9g Diverter valve DHW1 Cylinder temperature sensor ZoneOff 2 way valve for switching between zones in com bination with Zone On DHWBH Cylinder temperature sensor for the back up boil...

Page 37: ...he table a symbol is displayed after the sensor The symbol is a placeholder for the sensor number The symbol after various components is a placeholder for the address of the component In both cases on the display the system control replaces the symbol with the specific sensor or specific address Message Possible cause Measure Additional module fault The cable is defective Replace the cable Incorre...

Page 38: ...t Incorrect configuration VR70 Incorrect set value for the VR 70 Set the correct set value for the VR 70 Incorrect configuration VR71 Incorrect setting value for the VR 71 Set the correct setting value for the VR 71 System diagram selection incorrect Incorrectly selected system dia gram Set the correct system diagram Module not supported Unsuitable module connected e g VR 61 VR 81 Install a module...

Page 39: ...c hot water mode Heat generator cannot reach the max target flow temperat ure Set a lower value in the Max DHW fl targ temp function Page 20 Only one of several heating circuits is displayed Heating circuits inactive Activate the required heating circuit by defining the functional ity in the Type of circuit function Page 15 Only one of several zones is displayed Heating circuits inactive Activate ...

Page 40: ...ng or installation instructions for the heat pump 2 Service heat generator 1 The heat generator requires maintenance work Refer to the operating or install ation instructions for the relev ant heat generator for informa tion on the maintenance work required See the operating or installation instructions for the heat gener ator 3 Service ventila tion unit The ventilation unit requires maintenance w...

Page 41: ... 19 Defining the switch off differential second differential temperature control 22 Defining the switch off differential solar charging 21 Defining the switch on differential second differential temperature control 22 Defining the switch on differential solar charging 21 Defining the temperature of the solar cylinder 21 Determining the installation site of the outdoor temperature sensor 6 Determin...

Page 42: ...water pressure 11 Reading the zone valve status 18 Reading zone valve status 18 Reception strength reading the outdoor temperature sensor 22 Reception strength reading the system control 22 Regulations 4 Replacing the outdoor temperature sensor 24 Replacing outdoor temperature sensor 24 Resetting the running time solar pump 20 Resetting the set values 11 Resetting the values 11 Resetting times 11 ...

Page 43: ...ng the value 20 Spare parts 24 Specifying the controller behaviour 16 Starting up the heating installation 9 Starting up the outdoor temperature sensor 7 Starting up the product 9 Starting up outdoor temperature sensor 7 Start up 9 Start up preparatory work 9 System control determining the installation site 8 System control reading the reception strength 22 System flow temperature reading the valu...

Page 44: ...re DE56 1JT Telephone 0330 100 3461 info vaillant co uk www vaillant co uk These instructions or parts thereof are protected by copyright and may be reproduced or distributed only with the manufacturer s written consent We reserve the right to make technical changes 0020237057_01 ...

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