Table of Contents
Troubleshooting
Related Manuals for Vaillant VRC 700f/4
Summary of Contents for Vaillant VRC 700f/4
- Page 1 Installation 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...
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Page 2: Table Of Contents
Contents Contents Troubleshooting ..........24 Troubleshooting measures ........24 Safety ..............4 Maintenance message ........24 Spare parts ............24 Intended use ............4 10.1 Procuring spare parts .......... 24 General safety information ........4 10.2 Changing the batteries......... 24 Regulations (directives, laws, standards) .... - Page 3 Contents Connecting the actuators, sensors and sensor assignment for the VR 70 and VR 71................. 36 Legend for connecting the actuators and sensors ..............36 Connecting the actuators and sensors to VR 70..............36 Connecting the actuators to VR 71...... 37 Connecting the sensors to VR 71......
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Page 4: Safety
1 Safety ▶ Observe all instructions that are included Safety with the product. Intended use ▶ Proceed in accordance with current tech- In the event of inappropriate or improper use, nology. damage to the product and other property ▶ Observe all applicable directives, stand- may arise. -
Page 5: Notes On The Documentation
Directive 2014/53/EU. The complete text for the EU De- Validity of the instructions claration of Conformity is available at: http://www.vaillant- group.com/doc/doc-radio-equipment-directive/. These instructions apply only to: VRC 700f/4 – article number... -
Page 6: Installing The Radio Receiver Unit On The Wall
4 Set-up – Installing the radio receiver unit on the wall in buildings with more than three floors, it should be fitted between the second and third floor 4.4.2 Requirements for determining the reception strength of the outdoor temperature sensor –... - Page 7 Set-up 4 4.4.5 Starting up and fitting the outdoor Conditions: The background lighting is on, The display is showing dashes (--) temperature sensor ▶ Make sure that the power supply is switched on. Conditions: The background lighting is on, The display is showing dashes (--), The reception strength is <...
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Page 8: Installing The System Control
4 Set-up Installing the system control Determining the system control's installation site Choose an installation site that meets the following re- quirements. – Interior wall of the main living room – Installation height: 1.5 m – not in direct sunlight –... -
Page 9: Electrical Installation
Electrical installation 5 Electrical installation Start-up Only qualified electricians may carry out the electrical install- Preparatory work for start-up ation. All the following preparatory work for starting up the heating installation has been carried out: Polarity – The system control, radio receiver unit and outdoor tem- When connecting the eBUS line, there is no need to pay at- perature sensor have been installed and wired. -
Page 10: Changing The Settings Later
7 Operating and display functions Examples of zone assignment: System configuration: The installation assistant switches to the system configuration for the installer level, in which you No remote control: The system control is always assigned can further optimise the heating installation. Zone 1. -
Page 11: Resetting To Factory Setting
Operating and display functions 7 Resetting to factory setting Heat. mode: The heating installation is in heating mode for the heating circuits. You can use this function to reset all the set values or just Cooling: The heating installation is in cooling mode. the times in the time programmes. - Page 12 7 Operating and display functions 7.3.14 Defining the hybrid manager Example: Two zones are connected and you set ZONE1. For both zones, use the left-hand selection button Menu → Basic Menu → Installer level → System configuration → [System settings → Operating mode to activate the Heating → Auto ----] →...
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Page 13: Basic System Diagram Configuration
Operating and display functions 7 The end user notices a heat loss and recognises that there If the back-up boiler is inactive, the heating installation can- is a problem with the heat pump. In addition, the message not guarantee comfort. Restricted operation/ comfort protection appears in the You cannot use this function with the hybrid heat pump and it display. -
Page 14: Additional Module
7 Operating and display functions 7.4.2 Configuring the inputs and outputs of the Additional module VR 71 7.5.1 Configuring the multi-function output Menu → Installer level → System configuration [System Menu → Installer level → System configuration [Addi- diagram configuration ----] → Config.: VR71 tional module ----] →... -
Page 15: Heat Generator 1, Heat Pump 1, Additional Module
Operating and display functions 7 Heat generator 1, heat pump 1, additional input have short-circuited, there is no heat demand. If the terminals at the input are open, there is a heat demand. module Fixed val.: The heating circuit is maintained at two fixed 7.6.1 Reading the status target flow temperatures. - Page 16 7 Operating and display functions 7.7.7 Setting the target return temperature for the ure and, if there is a difference, adjusts this to the higher value. "increase in return flow" circuit type Menu → Installer level → System configuration → [HEAT- 7.7.13 Setting the maximum flow temperature for ING1 ----] →...
- Page 17 Operating and display functions 7 None: The temperature sensor is not used for control. Temp. mod.: The built-in temperature sensor measures the current room temperature in the reference room. This value is compared with the target room temperature and, if there is a difference, results in adjustment of the flow temperature by means of the so-called "Effective target room temperat- ure".
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Page 18: Zone1
7 Operating and display functions selected zone. The control system also uses the room Depending on the configuration of the VR 70 or VR 71, there temperature sensor for the assigned unit. is one external input for each heating circuit. You can con- nect an external zone controller, for example, to this external If you have assigned a remote control unit, the remote con- input. - Page 19 Operating and display functions 7 Menu → Installer level → System configuration [HEAT- 7.9.9 Setting the hysteresis for cylinder charging ING1 ----] → Current cyl. temp. Menu → Installer level → System configuration [DHW cir- – You can use this function to read the measured cylinder cuit ----] →...
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Page 20: Buffer Cylinder
7 Operating and display functions 7.9.14 Activating parallel cylinder charging 7.10.6 Reading the bottom cylinder temperature (domestic hot water cylinder and mixing for heating in the buffer cylinder circuit) Menu → Installer level → System configuration [Buffer cylinder ----] → Heat. temp. sens., bot. Menu →... -
Page 21: Solar Cylinder 1
Operating and display functions 7 7.11.6 Setting the flow rate of the solar circuit 7.11.11 Reading the current flow rate for the VMS 70 Menu → Installer level → System configuration → [Solar circuit ----] → Solar flow volume Menu → Installer level → System configuration → [Solar circuit ----] →... -
Page 22: 2Nd Differential Temperature Control
7 Operating and display functions – 7.13.6 Reading the value for temperature You can use this function to read the current measured value for the bottom cylinder temperature sensor. difference sensor 2 Menu → Installer level → System configuration → [2nd 7.13 2nd differential temperature control temperature difference control ----] →... -
Page 23: Selecting The Wiring Centre For Sensor/Actuator Test
Handing over to the end user 8 7.16 Selecting the wiring centre for The day is always changed at 00:00, irrespective of when the function starts. sensor/actuator test After a mains Off/On, screed drying starts with the last active Menu → Installer level → Sensor/actuator test → [Select day. -
Page 24: Troubleshooting
9 Troubleshooting Troubleshooting 10.2 Changing the batteries Danger! Troubleshooting measures Risk of death caused by unsuitable batter- If a fault occurs in the heating installation, will appear in ies! the display together with a fault message. If batteries are replaced with the wrong type You can also read all current error messages under the fol- of battery, there is a risk of explosion. -
Page 25: 11 Decommissioning
▶ Observe all relevant regulations. 13 Customer service To ensure regular servicing, it is strongly recommended that arrangements are made for a Maintenance Agreement. Please contact Vaillant Service Solutions for further details: Telephone: 0330 100 3461 14 Technical data 14.1 System control Remove the capacitors as shown in the figure. -
Page 26: Radio Receiver Unit
14 Technical data 14.2 Radio receiver unit Rated voltage 24 V Rated current < 50 mA 330 V Rated surge voltage 868.0 Frequency band … 868.6 MHz < 25 mW Max. transmission power ≤ 100 m Range outdoors ≤ 25 m Range indoors Degree of contamination Level of protection... -
Page 27: Appendix
Appendix Appendix Setting values for basic system diagram, VR 70 and VR 71 Basic system diagram configuration Each heating installation is based on a system diagram with corresponding connection diagram. A separate basic diagram book contains the basic system diagrams and the corresponding wiring diagrams with explanations. Gas-/oil-fired condensing boiler (eBUS) Cylinder Equipment... -
Page 28: Arotherm Or Flexotherm
Appendix aroTHERM or flexoTHERM Cylinder Equipment Heating cir- Setting for cuits System VR 70 VR 71 diagram Monovalent domestic hot water 1 direct cylinder for heat pump Monovalent domestic hot water 1 direct cylinder for heat pump 1 mixed Monovalent domestic hot water 1 mixed cylinder for heat pump 1 PV... -
Page 29: Arotherm With Auxiliary Heater And System Separation
Appendix A.10 aroTHERM with auxiliary heater and system separation Cylinder Equipment Heating cir- Setting for cuits System VR 70 VR 71 diagram Monovalent domestic hot water Heat exchanger module for heat pump 1 direct cylinder for heat pump Monovalent domestic hot water Heat exchanger module for heat pump 1 direct cylinder for heat pump... -
Page 30: Arotherm With System Separation, Hot Water Generation Using A Gas-Fired Condensing Boiler (Ebus)
Appendix A.14 aroTHERM with system separation, hot water generation using a gas-fired condensing boiler (eBUS) Cylinder Equipment Heating cir- Setting for cuits System VR 70 VR 71 diagram Monovalent domestic hot water Cylinder charging using the condensing 1 direct cylinder for heat pump unit Heat exchanger module for heat pump Monovalent domestic hot water... -
Page 31: Arotherm And Gas-Fired Condensing Boiler (Ebus), Heat Pump Cascade Option
Appendix A.17 aroTHERM and gas-fired condensing boiler (eBUS), heat pump cascade option Cylinder Equipment Heating cir- Setting for cuits System VR 70 VR 71 diagram Buffer cylinder Domestic hot water cylinder downstream 1 direct of low loss header/buffer cylinder 1 mixed Buffer cylinder charging using the system controller allSTOR buffer cylinder... - Page 32 Appendix Setting level Values Unit Increment, select Default setting Min. Max. ℃ Alternative point off, -20 ℃ T. emergency mode Auxiliary heater type condens., non cond., Electric condens. Energy supplier HP off, BH off, HP&BH off, Heat. HP off off, Cooling off, Ht./cl. off Auxiliary heater for Inactive, Heating, DHW, DHW+heat.
- Page 33 Appendix Setting level Values Unit Increment, select Default setting Min. Max. Heating curve 0.05 Room temp. mod. None, Temp. mod., Thermost. None Cooling possible Current value Yes, No Dew point monitoring Current value Yes, No ℃ End OT cooling K Offset dew point Status ext.
- Page 34 Appendix Setting level Values Unit Increment, select Default setting Min. Max. Solar flow volume 165.0 l/min Solar pump boost off, On ℃ Solar circuit prot. ℃ Min. collector temp Purging time Current flow rate 165.0 l/min Solar cylinder 1 ---- K...
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Page 35: Functions For The Heating Circuit
Appendix Functions for the heating circuit Depending on what the heating circuit is used for (heating circuit/direct circuit, pool circuit, fixed value circuit, etc.), specific functions are available in the system control. You can use the table to read which functions appear on the system control's display for the selected type of circuit. -
Page 36: C Connecting The Actuators, Sensors And Sensor Assignment For The Vr 70 And Vr 71
Appendix Connecting the actuators, sensors and sensor assignment for the VR 70 and VR Legend for connecting the actuators and sensors Legend Meaning Legend Meaning point point Domestic hot water generation prioritising diverter Flow temperature sensor for heating circuit x valve Back-up boiler 9kxcl... -
Page 37: Connecting The Actuators To Vr 71
Appendix Connecting the actuators to VR 71 Set value R7/R8 R9/R10 R11/R12 COLP1 LP/9e 9k1op/ 9k2op/ 9k3op/ 9k1cl 9k2cl 9k3cl LP/9e 9k1op/ 9k2op/ 9k3op/ 9k1cl 9k2cl 9k3cl LP/9e 9k1op/ 9k2op/ 9k3op/ 9k1cl 9k2cl 9k3cl Connecting the sensors to VR 71 Set value SysFlow DHWTop... - Page 38 Appendix Message Possible cause Measure Communication fault: VR91 % The remote control is outside Take the remote control to the radio receiver unit and see if the radio reception range the reception strength increases. If the reception strength is ≤ 4, find a new installation site for the remote control.
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Page 39: Troubleshooting
Appendix Troubleshooting Symptom Possible cause Measure ▶ Display remains dark The batteries are flat Change all the batteries (→ Operating instructions, "Changing the batteries"). ▶ The batteries in the system con- Insert the batteries in the battery compartment, making sure trol have not been inserted cor- that the poles are the right way round. -
Page 40: E Maintenance Messages
Appendix Maintenance messages The maintenance message Service heat pump 1 is an example of a maintenance message that may appear for heat pumps 1 to 6. The maintenance message Service heat generator 1 is an example of a maintenance message that may appear for heat generators 1 to 6. -
Page 41: Index
Index Index Defining the temperature of the solar cylinder..... 21 Determining the installation site of the outdoor temperature sensor..................6 Determining the reception strength of the outdoor temperat- Activating automatic cooling..........12 ure sensor ................6 Activating cooling ..............17 Determining the reception strength of the outdoor temperat- Activating Room temp. - Page 42 Index Outdoor temperature sensor, reading the reception Reading, zone valve status ..........18 strength ................22 Reception strength, reading the outdoor temperature Outdoor temperature sensor, reception strength require- sensor.................. 22 ments..................6 Reception strength, reading the system control ....22 Regulations ................
- Page 43 Index Setting the temperature, day ..........18 Setting the temperature, set-back ........18 Setting Type of circuit ............15 Solar charging, defining the switch-off differential....21 Solar charging, defining the switch-on differential....21 Solar circuit, setting the flow rate ........21 Solar pump, reading the running time .........
- Page 44 0020237057_01 0020237057_01 15.12.2017 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire 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.