REMEHA Quinta Pro series Installation, User And Service Manual
  1. Manuals
  2. Brands
  3. REMEHA Manuals
  4. Boiler
  5. Quinta Pro series
  6. Installation, user and service manual

REMEHA Quinta Pro series Installation, User And Service Manual

Wall-hung gas condensing boilers
Hide thumbs Also See for Quinta Pro series:
Table of Contents

Advertisement

Quick Links

United Kingdom
en
Installation, user and service manual
Wall-hung gas condensing boilers
Quinta Pro
30 – 45 – 65 – 90 – 115

Advertisement

Table of Contents
loading

Related Manuals for REMEHA Quinta Pro series

Summary of Contents for REMEHA Quinta Pro series

  • Page 1 United Kingdom Installation, user and service manual Wall-hung gas condensing boilers Quinta Pro 30 – 45 – 65 – 90 – 115...
  • Page 2 In order to ensure continued safe and efficient operation we recommend that the product is regularly maintained. Our Service and After Sales organization can assist with this. We hope you will receive many years of satisfactory service. Remeha B.V. Postbus 32 7300 AA Apeldoorn +31 (0)55 549 6969 http://nl.remeha.com...

  • Page 3: Table Of Contents

    Contents Contents 1 Safety ................6 1.1 General safety instructions .
  • Page 4 Contents 6.6.2 Recommendations ..............28 6.6.3 Access to the connectors .
  • Page 5 Contents 12.1 Removal/recycling ................71 13 Spare parts .

  • Page 6: Safety

    1 Safety 1 Safety 1.1 General safety instructions For the installer: Danger If you smell gas: 1. Do not use naked flames, do not smoke and do not operate electrical contacts or switches (door­ bell, lighting, motor, lift etc). 2. Shut off the gas supply. 3.

  • Page 7: Recommendations

    1 Safety Warning Do not touch radiators for long periods. Depending on the boiler settings, the temperature of the radiators can rise to over 60°C. Caution Ensure that the boiler is regularly serviced. Contact a qualified installer or arrange a maintenance contract for the servicing of the boiler.

  • Page 8: Liabilities

    Replace damaged or il­ legible instruction and warning labels immediately. Note Modifications to the boiler require the written approval of Remeha. 1.3 Liabilities 1.3.1 Manufacturer's liability Our products are manufactured in compliance with the re­...

  • Page 9: Installer's Liability

    1 Safety 1.3.2 Installer's liability The installer is responsible for the installation and initial com­ missioning of the appliance. The installer must abide by the following instructions: Read and follow the instructions given in the manuals pro­ vided with the appliance. Install the appliance in compliance with prevailing legisla­...

  • Page 10: About This Manual

    2 About this manual About this manual Symbols used 2.1.1 Symbols used in the manual This manual uses various danger levels to draw attention to special in­ structions. We do this to improve user safety, to prevent problems and to guarantee correct operation of the appliance.

  • Page 11: Technical Specifications

    3 Technical specifications Technical specifications Homologations 3.1.1 Certifications Tab.1 Certifications CE identification number PIN 0063CL3333 NOx class 5 (EN 15502–1) Type of connection 3.1.2 Unit categories Category Gas type Connection pressure (mbar) G20 (H gas) 2H3B/P G30/G31 (butane/ 30-50 propane) 3.1.3 Directives In addition to the legal requirements and guidelines, the supplementary guidelines in this manual must also be followed.
  • Page 12 3 Technical specifications Quinta Pro Nominal input (Qn) min.– 9.1–33.3 9.1–45.7 13.6–68.8 16.2–95.5 21.9–122.4 Central heating operation (Hs) max. 33.3 45.7 68.8 95.5 122.4 Full load central heating efficiency 97.5 97.2 98.3 97.9 97.1 (Hi) (80°C/60°C) Full load central heating efficiency 102.9 102.9 104.6...
  • Page 13 3 Technical specifications Quinta Pro Electrical protection index Fuses Main (1) Splashproof; under certain conditions, the boiler may be installed in damp areas, such as bathrooms. Tab.6 Other data Quinta Pro Total weight (empty) Minimum mounting weight Average acoustic level at a distance dB(A) of one metre from the boiler (1) Without front panel.

  • Page 14: Dimensions And Connections

    3 Technical specifications The back cover for contact details. Dimensions and connections Fig.1 Dimensions AD-0000017-01 Flue gas outlet connection: Siphon connection, 32 mm CH supply connection; 1 ¼ inch male thread Ø 80 mm (≤ 45 kW) CH return connection; 1 ¼ inch male thread Ø...

  • Page 15: Electrical Diagram

    3 Technical specifications Electrical diagram Fig.2 Electrical diagram 3 2 1 1 2 3 2 3 4 1 1 2 3 1 2 3 2 3 4 5 2 1 3 3 1 2 3 1 2 230V, 50Hz 1 2 4 5 X117 10 11 4 5 7 6...

  • Page 16: Description Of The Product

    4 Description of the product Description of the product General description The Quinta Pro boiler is a high-efficiency wall-hung gas boiler with the fol­ lowing properties: High-efficiency heating. Option to produce domestic hot water using a separate hot water appli­ ance.

  • Page 17: Main Components

    4 Description of the product Main components Fig.3 Main components 1 Flue gas outlet/air supply 2 Casing/air box 3 Heat exchanger (CH) 4 Flue gas measuring point 5 Ionisation/ignition electrode 6 Mixer tube 7 Combined gas valve unit 8 Air intake silencer 9 Instrument box 10 Siphon 11 Housing for PCBs...

  • Page 18: Standard Delivery

    4 Description of the product Frost protection: Boiler is running in frost protection mode. Hour counter menu: Read out the operating hours, number of successful starts and hours on mains supply. On/off switch: After 5 lockouts, the boiler must be switched off/on again. Circulating pump: The pump is running.

  • Page 19: Before Installation

    5 Before installation Before installation Installation regulations Warning The installer must be registered with Gas Safe and have the cor­ rect ACS qualifications. Note Practical guidelines — see the latest version. Choice of the location 5.2.1 Type plate Fig.5 Position of type plate The type plate on top of the boiler features the boiler serial number and important boiler specifications, for example the model and unit category.

  • Page 20: Boiler Position

    5 Before installation 5.2.2 Boiler position Fig.6 Installation area Use the guidelines and the required installation space as a basis for de­ termining the correct place to install the boiler. When determining the correct installation space, take account of the permitted position of the flue gas discharge and/or air supply outlet.

  • Page 21: Installation

    6 Installation Installation General Warning The boiler must be installed by a qualified installer in accordance with local and national regulations. Preparation 6.2.1 Positioning the boiler Fig.7 Mounting the boiler The fitting bracket on the back of the casing can be used to mount the boiler directly on the suspension bracket.

  • Page 22: Connecting The Heating Circuit

    6 Installation installation process (weld slag, fixing products etc.) and accumulations of dirt (silt, mud etc.) Note Flush the CH installation with a volume of water equivalent to at least three times the volume of the CH installation. Flush the DHW pipes with at least 20 times the volume of the pipes.

  • Page 23: Connecting The Condensate Discharge Pipe

    6 Installation 6.3.4 Connecting the condensate discharge pipe Fig.10 Connecting the condensate dis­ 1. Fit a plastic drain pipe of Ø 32 mm or larger, terminating in the drain. charge pipe 2. Insert the flexible condensate drain hose into the pipe. 3.
  • Page 24 6 Installation Type Version Description Open Without down-draught diverter. Joint flue gas discharge via the roof. Flue gas discharge rinsed with air, air from the installation area (special construction). Closed Discharge in the outside wall. Inlet opening for the air supply is in the same pressure zone as the discharge (e.g. a combined outside wall feed-through).

  • Page 25: Outlets

    6 Installation Type Version Diameter (D) Without air supply With air supply Ø duct □ duct Ø duct □ duct Concentric 60/100 mm 120 mm 120 x 120 mm 120 mm 120 x 120 mm 80/125 mm 145 mm 145 x 145 mm 145 mm 145 x 145 mm 100/150 mm...
  • Page 26 6 Installation Room-sealed version (C13, C33, C43, C63, C93) Fig.14 Room-sealed version (concentric) Flue gas outlet connection Air supply connection With a closed version, both the flue gas outlet and the air supply openings are connected (concentrically). Tab.12 Maximum chimney length (L) Quinta Pro Diameter 80–125 mm...

  • Page 27: Additional Guidelines

    6 Installation Tab.15 Pipe reduction for each element used (concentric) Pipe reduction Diameter 45° bend 90° bend 60–100 mm 80–125 mm 100–150 mm 6.5.4 Additional guidelines For installing the flue gas outlet and air supply materials, refer to the in­ structions of the manufacturer of the relevant material.

  • Page 28: Recommendations

    X1 connector. A spare fuse can be found in the housing of the control unit. Caution Always order a replacement mains lead from Remeha. The power supply cable should only be replaced by Remeha, or by an installer certified by Remeha. The boiler switch must be easily accessible at all times.

  • Page 29: Access To The Connectors

    6 Installation Caution Separate the sensor cables from the 230 V cables. 6.6.3 Access to the connectors Fig.17 Access to the connectors Various thermostats and regulators can be connected to the standard PCB (PCU) (connector X12). Access to the connectors: 1.

  • Page 30: Connection Options For The Standard Pcb

    6 Installation 6.6.4 Connection options for the standard PCB Connecting the PWM pump Fig.18 Connecting the power supply cable The energy-efficient modulating pump must be connected to the standard PCB of the PCU. Proceed as follows: 1. Connect the power supply cable and the cable for the PWM signal to the pump.
  • Page 31 6 Installation Connecting the pump Fig.19 Connecting the power supply cable The pump must be connected to the standard PCB of the PCU. Proceed as follows: 1. Connect the cable supplied with the boiler to the pump. 2. Remove the grommet from the opening in the middle of the base of the boiler.
  • Page 32 6 Installation Connecting modulating thermostat Fig.20 Connecting modulating thermostat OT OpenTherm thermostat The boiler is fitted with an OpenTherm connection as standard. As a re­ sult, modulating OpenTherm thermostats (room-temperature, weather- compensated and cascade thermostats) can be connected without further modifications.
  • Page 33 6 Installation Frost protection combined with on/off thermostat Fig.22 Connecting the frost thermostat When an on/off thermostat is used, the pipes and radiators in a frost-sen­ sitive room can be protected by a frost thermostat. The radiator valve in the frost-sensitive room must be open. 1.
  • Page 34 6 Installation Connecting the calorifier sensor/calorifier thermostat Fig.25 Connecting the calorifier sensor/calo­ Ws Calorifier sensor rifier thermostat 1. Connect the calorifier sensor or calorifier thermostat to the Tdhw ter­ minals of the connector. Connecting a PC/laptop On/off Tout Tdhw AD-0000050-01 Fig.26 Connecting a PC/laptop A PC or laptop can be connected to the telephone connector using the op­...

  • Page 35: Pcbs

    6 Installation For more information, see Changing the parameters, page 48 Release input Fig.28 Release input The boiler has a release input. This input relates to the RL terminals of the connector. Warning Only suitable for potential-free contacts. The parameter can be used to change the function of the input.
  • Page 36 6 Installation Tab.17 Temperature-based control (°C) Jumper 2 Input signal (V) Temperature °C Description 0–1.5 0–15 Boiler off 1.5–1.8 15–18 Hysteresis 1.8–10 18–100 Desired temperature Fig.31 Switch jumper (2) The 0–10 V signal controls the boiler supply temperature. This control modulates on the basis of flow temperature.
  • Page 37 6 Installation Connection options for the PCB (SCU-S02) Fig.33 SCU-S02 PCB If the boiler is fitted with the PCB (SCU-S02), then this PCB is automatical­ ly recognised by the boiler's automatic control unit. Note On removing this PCB, the boiler will show error code .

  • Page 38: Filling The System

    Warning Do not add chemical agents to the central heating water without consulting Remeha. For example: antifreeze, water softeners, pH- increasing or lowering agents, chemical additives and/or inhibitors. Such agents can cause errors in the boiler and damage to the heat exchanger.

  • Page 39: Filling The Siphon

    6 Installation 6.7.2 Filling the siphon Danger The siphon must always be sufficiently filled with water. This pre­ vents flue gases from entering the room. Fig.35 Filling the siphon 1. Remove the siphon. 2. Fill the siphon up with water. 3.

  • Page 40: Commissioning

    7 Commissioning Commissioning General Follow the steps set out in the paragraphs below to put the boiler into op­ eration. Warning Do not put the boiler into operation if the supplied gas is not in ac­ cordance with the approved gas types. Gas circuit Fig.36 Gas valve unit measuring points...

  • Page 41: Gas Settings

    7 Commissioning 4. Insert the boiler plug into an earthed socket. 5. Switch the power on with the boiler's on/off switch. 6. Set the components (thermostats, control) so that heat is deman­ ded. 7. The start-up program will start and cannot be interrupted. During the start-up cycle, the display shows the following information: A short test where all segments of the display are visible: : Software version...

  • Page 42: Checking And Setting The Gas/Air Ratio

    7 Commissioning Checking and setting the gas/air ratio, page 42 7.6.2 Checking and setting the gas/air ratio Fig.37 Flue gas measuring point 1. Unscrew the cap from the flue gas measuring point. 2. Insert the probe for the flue gas analyser into the measurement opening.
  • Page 43 7 Commissioning 4. If the measured value is outside of the values given in the table, cor­ rect the gas/air ratio. Fig.39 Position of adjusting screw A 5. Using adjusting screw A, adjust the percentage of O for the gas type being used to the nominal value. This should always be in­ side the highest and lowest setting limit.

  • Page 44: Final Instructions

    7 Commissioning Fig.41 Position of adjusting screw B 5. Using adjusting screw B, adjust the percentage of O for the gas type being used to the nominal value. This should always be in­ side the highest and lowest setting limit. 6.

  • Page 45: Operation

    8 Operation Operation Use of the control panel Fig.42 Control panel 1 Display Escape or CH temperature or DHW temperature or Enter or Cancel key lockout Chimney-sweeping keys Press the 2 and 3 keys simultaneously. Menu keys Press the 4 and 5 keys simultaneously. On/off switch The display has several positions and symbols and provides information about the operating status of the boiler and any faults.

  • Page 46: Settings

    9 Settings Settings Parameter descriptions Tab.27 Factory setting Parame­ Description Adjustment range Flow temperature: T 20 to 90ºC DHW temperature: T 40 to 65ºC 0 = CH off/DHW off 1 = CH on/DHW on Boiler control/DHW 2 = CH on/DHW off 3 = CH off/DHW on 0 = Comfort ECO setting...
  • Page 47 9 Settings Parame­ Description Adjustment range 0 = Off Legionella protection 1 = On 2 = Controller dependent Set point increase for calorifier 0 to 20ºC Switch on temperature for DHW calo­ 2 to 15ºC rifier sensor 0 = Normal Control of three-way valve 1 = Reverse 0 = Solo...

  • Page 48: Changing The Parameters

    9 Settings Parame­ Description Minimum fan speed (offset) Start speed Tab.29 Adjustment for flue gas overpressure cascade Parame­ Description Minimum fan speed (CH + DHW) Minimum fan speed (offset) Start speed (1) Use the parameter setting for the gas type if the boiler has been adjusted for G31 (propane). Changing the parameters The boiler’s control unit is set for the most common central heating sys­...

  • Page 49: Changing The Parameters At Installer Level

    9 Settings 9.2.2 Changing the parameters at installer level Fig.44 Inputting the access code Parameters may only be modified by a recognised installer. To prevent unwanted modifications to settings, some parameters can only be changed after the special access code is entered.
  • Page 50 9 Settings Fig.48 Load Quinta Pro 90 M Maximum heat input F Factory setting Q Load (Hi) (kW) R Fan speed (rpm) 1500 2500 3500 4500 5500 6500 7500 6200 AD-3000032-01 Fig.49 Load Quinta Pro 115 M Maximum heat input F Factory setting Q Load (Hi) (kW) R Fan speed (rpm)

  • Page 51: Return To The Factory Settings

    9 Settings 9.2.4 Return to the factory settings Fig.51 Resetting factory settings 1. Press the two keys at the same time and then press the until the symbol flashes in the menu bar. 2. Select the installer menu using the key.

  • Page 52: Setting The Manual Mode

    9 Settings 9.2.6 Setting the manual mode Fig.53 Setting manual mode In some cases, it may be necessary to set the boiler to manual mode, for example when the controller has not yet been connected. The boiler can be set to automatic or manual mode via the symbol.

  • Page 53: Reading Out The Hour Counter And Percentage Of Successful Starts

    9 Settings Fig.54 Reading current values 1. Press the two keys at the same time. symbol flashes. 2. Confirm by pressing the key. The screen alternates between the parameter and the current status, e.g. 3. Press the key. The screen alternates between the parameter and the current sub-status, e.g.

  • Page 54: Status And Sub-Status

    9 Settings 9.3.3 Status and sub-status The information menu gives the following status and sub-status num­ bers: Tab.30 Status and sub-status numbers Status Sub-status Stand-by mode Stand-by mode Boiler start (heat demand) Anti-swing Control three-way valve Start pump Wait for the correct temperature before burner start Burner start Open flue gas damper/external gas valve Increase fan speed...
  • Page 55 9 Settings Status Sub-status Control stop Wait for burner start Anti-swing Blocking Blocking code Bleed Stand-by mode Control three-way valve Start pump Pump off Control three-way valve 123157 - v.06 - 24022015...

  • Page 56: Maintenance

    These service kits contain all parts and gaskets that are required for the relevant service. These service kits (A, B or C), put together by Remeha, are available from your spare parts supplier. Note A service message must be followed up within 2 months. There­...

  • Page 57: Starting A New Service Interval

    For an interim service it is advisable to read out in the boiler service menu what maintenance service should be carried out. Use the indicated Remeha service kits (A, B or C). This service message must be prevented by carrying out a reset. Start the next service interval. Proceed as follows: 1.

  • Page 58: Checking The Ionisation Current

    10 Maintenance 10.3.2 Checking the ionisation current 1. Check the ionisation current at full load and at low load. The value is stable after 1 minute. 2. Clean or replace the ionisation/ignition electrode if the value is lower than 4 µA. For more information, see Replacing the ionisation/ignition electrode, page 62 10.3.3 Checking the flue gas outlet/air supply connections...

  • Page 59: Checking The Automatic Air Vent

    10 Maintenance For more information, see Checking and setting the gas/air ratio, page 42 10.3.5 Checking the automatic air vent Fig.59 Checking the automatic air vent 1. Switch off the boiler's electrical connection. 2. Close the gas tap under the boiler. 3.

  • Page 60: Cleaning The Siphon

    10 Maintenance 10.3.6 Cleaning the siphon Fig.60 Cleaning the siphon Danger The siphon must always be sufficiently filled with water. This pre­ vents flue gases from entering the room. 1. Dismantle the siphon and clean it. 2. Fill the siphon up with water. 3.

  • Page 61: Checking The Burner And Cleaning The Heat Exchanger

    10 Maintenance 10.3.7 Checking the burner and cleaning the heat exchanger Fig.61 Checking the burner and cleaning 1. Remove the air inlet flue on the venturi. the heat exchanger 2. Loosen the gland on the gas valve unit. 3. Remove the plugs from the fan. 4.

  • Page 62: Specific Maintenance Work

    10 Maintenance 10.4 Specific maintenance work Perform the specific maintenance work if this proves to be necessary fol­ lowing the standard inspection and maintenance work. To conduct the specific maintenance work: 10.4.1 Replacing the ionisation/ignition electrode Fig.62 Replacing the ionisation/ignition elec­ The ionisation/ignition electrode must be replaced if: trode The ionisation current is <...

  • Page 63: Checking The Non-Return Valve

    10 Maintenance 10.4.2 Checking the non-return valve Fig.63 Checking the non-return valve 1. Remove the air inlet flue on the venturi. 2. Loosen the gland on the gas valve unit. 3. Remove the plug from the fan. 4. Remove the plug from the gas valve unit. 5.

  • Page 64: Troubleshooting

    Note the error code displayed. The error code is needed to find the cause of the error quickly and correctly and for any support from Remeha. 11.1.1 Blocking A (temporary) blocking mode is a boiler status, resulting from an abnormal state.

  • Page 65: Lock Out

    The meaning of the error codes can be found in the error table. Note the error code. Note The error code is needed to find the cause of the error quickly and correctly and for any support from Remeha. 123157 - v.06 - 24022015...
  • Page 66 11 Troubleshooting Press the key for two seconds. If the error code continues to display, search for the cause in the error table and apply the solution. Note If the display does not show but rather , the boiler must be switched off and then switched on again 10 seconds later before the error can be reset.
  • Page 67 11 Troubleshooting Error code Description Possible cause Check/solution Check the wiring Replace the sensor if necessary Vent the central heating system Check the flow (direction, pump, valves) Bad connection Check the water pressure Return temperature too low Sensor failure Check that the sensors are operating cor­ Return temperature too Sensor not connected or in­...

  • Page 68: Error Memory

    11 Troubleshooting Error code Description Possible cause Check/solution Ionisation current measured but no flame should be present Check the ionisation/ignition electrode Ignition transformer defec­ Check the gas valve and replace if neces­ False flame signal tive sary Defective gas valve Adjust O settings The burner remains very...

  • Page 69: Reading Out The Error Memory

    11 Troubleshooting 11.2.1 Reading out the error memory Fig.65 Reading out an error 1. Press the two keys at the same time and then press the until the symbol flashes in the menu bar. 2. Select the installer menu using the key.

  • Page 70: Clearing Error Memory

    11 Troubleshooting 11.2.2 Clearing error memory Fig.66 Clearing error memory 1. Press the two keys at the same time and then press the until the symbol flashes in the menu bar. 2. Select the installer menu using the key. appears on the display. 3.

  • Page 71: Disposal

    12 Disposal 12 Disposal 12.1 Removal/recycling Note Removal and disposal of the boiler must be carried out by a quali­ fied person in accordance with local and national regulations. To remove the boiler, proceed as follows: 1. Switch off the boiler's electrical connection. 2.

  • Page 72: Spare Parts

    Only replace defective or worn boiler parts with original parts or recom­ mended parts. Send the part to be replaced to the Remeha Quality Control department if the relevant part is covered by the guarantee (see the General Terms of Sale and Delivery).

  • Page 73: Parts

    13 Spare parts 13.2 Parts Fig.67 Quinta Pro 30 – 45 4023 2022 4022 2017 4025 4023 2019 2021 2020 2016 2001 2014 2047 4020 4007 2013 2013 2001 2025 4008 4008 4021 2023 2004 4024 2015 2010 2005 1003 2024 2012 2003...
  • Page 74 13 Spare parts Fig.68 Quinta Pro 65 4023 4022 2017 4025 4023 2047 2019 2014 2021 2001 4020 4007 2016 2013 4008 2025 2020 4021 2004 4024 2015 2010 2005 1003 2024 2017 2003 2012 2006 2007 2033 3014 2011 2026 2014 4005...
  • Page 75 13 Spare parts Fig.69 Quinta Pro 90 4023 2048 4022 2017 4023 2047 4021 2001 2019 2014 4007 2021 2025 2013 2016 4008 2020 2020 2023 4020 2005 2004 4024 2015 2010 2049 4024 1003 2024 2024 2003 2018 2014 2012 4007 2031A...
  • Page 76 13 Spare parts Fig.70 Quinta Pro 115 4023 2048 4022 2017 4023 2047 4021 2001 2019 2014 4007 2021 2025 2013 2016 4008 2020 2020 2023 4020 2005 2004 4024 2010 2015 2049 4024 1003 2024 2024 2003 2018 2014 2012 4007 2031A...

  • Page 77: Appendix

    14 Appendix 14 Appendix 14.1 ErP information 14.1.1 Product card Tab.33 Product card Remeha - Quinta Pro Seasonal space heating energy efficiency class (Prated or Psup) Rated heat output Seasonal space heating energy efficiency Annual energy consumption Sound power level L indoors For specific precautions about assembling, installing and main­...

  • Page 78: Package Sheet

    14 Appendix 14.1.2 Package sheet Fig.71 Package sheet for boilers indicating the space heating energy efficiency of the package Seasonal space heating energy effi ciency of boiler ‘I’ Temperature control Class I = 1%, Class II = 2%, Class III = 1.5%, Class IV = 2%, Class V = 3%, Class VI = 4%, from fi...

  • Page 79: Ec Declaration Of Conformity

    14 Appendix The value of the mathematical expression: 294/(11 · Prated), whereby ‘Prated’ is related to the preferential space heater. The value of the mathematical expression 115/(11 · Prated), whereby ‘Prated’ is related to the preferential space heater. Tab.34 Weighting of boilers II, package without hot water storage tank II, package with hot water storage tank Psup / (Prated + Psup)

  • Page 80: Connection Options For The Pcb (Scu-S03)

    14 Appendix 14.3.2 Connection options for the PCB (SCU-S03) Fig.73 SCU-S03 PCB If the boiler is fitted with the PCB (SCU-S03), then this PCB is automatical­ ly recognised by the boiler's automatic control unit. Note On removing this PCB, the boiler will show error code .

  • Page 81: Connection Options For The Pcb (Scu-X03)

    14 Appendix 14.3.4 Connection options for the PCB (SCU-X03) Fig.75 SCU-X03 PCB The SCU-X03 PCB can control a modulating central heating pump. De­ pending on the make and type of pump, the pump can be controlled by a 0–10 V, 4–20 mA or a PWM signal. The speed of the pump is modulated based on the signal received from the boiler.

  • Page 82: Connection Options For The Pcb (C-Mix)

    14 Appendix Caution In positions 4 to 9 the control PCB sends no signal to the pump and the pump will not start up. 14.3.5 Connection options for the PCB (c-Mix) The c-Mix PCB can control two central heating groups or one central heat­ ing group and one calorifier.
  • Page 83 © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical de­ scriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
  • Page 84 Remeha Commercial UK Innovations House 3 Oaklands Business Centre Oaklands Park RG41 2FD Wokingham Tel: +44 (0)118 978 3434 Fax: +44 (0)118 978 6977 Internet: www.remeha.co.uk E-mail: boilers@remeha.co.uk 123157 - v.06 - 24022015 123157...

Table of Contents