Baxi Quinta Ace S 50 Service Manual
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Baxi Quinta Ace S 50 Service Manual

Baxi Quinta Ace S 50 Service Manual

High-efficiency wall-hung gas boiler
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United Kingdom - Ireland
en
Service manual
High-efficiency wall-hung gas boiler
Quinta Ace S
50 - 60 - 70

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Summary of Contents for Baxi Quinta Ace S 50

  • Page 1 United Kingdom - Ireland Service manual High-efficiency wall-hung gas boiler Quinta Ace S 50 - 60 - 70...

  • Page 2: Dear Customer

    Dear Customer, Thank you very much for buying this appliance. Please read through the manual carefully before using the product, and keep it in a safe place for later reference. In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly.

  • Page 3: Table Of Contents

    Contents Contents Safety ................... . 5 General safety instructions .
  • Page 4 Contents Opening the boiler ................47 Access to the boiler components .

  • Page 5: Safety

    1 Safety Safety General safety instructions 1.1.1 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 (doorbell, lighting, motor, lift etc.). 2. Shut off the gas supply. 3.

  • Page 6: Recommendations

    Instruction and warning labels must never be removed or covered and must be clearly legible throughout the entire service life of the appliance. Damaged or illegible instructions and warning stickers must be replaced immediately. Important Modifications to the appliance require the written approval of BAXI. Liabilities 1.3.1 Manufacturer's liability Our products are manufactured in compliance with the requirements of the various directives applicable.

  • Page 7: User's Liability

    2 About this manual 1.3.3 User's liability To guarantee optimum operation of the system, you must abide by the following instructions: Read and follow the instructions given in the manuals for the product. Call on a qualified professional to carry out the installation and initial commissioning. Have your installer explain the installation to you.

  • Page 8: Main Components

    Ideal choice for cascade configurations. The following boiler types are available: Tab.1 Boiler types Name Rated heat output (Prated) Quinta Ace S 50 45 kW Quinta Ace S 60 55 kW Quinta Ace S 70 65 kW Main components Fig.1...

  • Page 9: Introduction To The Bdr Controls Platform

    3 Description of the product Fig.3 Gas-air 1 Mixing tube 2 Fan 3 Venturi 4 Gas pipe 5 Gas control valve 6 Burner 7 Air inlet AD-3003076-01 Fig.4 Sensors and boxes 1 Flue gas temperature sensor 2 Control box 3 Flow temperature sensor 4 Return temperature sensor 5 Expansion box (optional) 6 Water pressure sensor...

  • Page 10: Installer Instructions

    4 Installer instructions Fig.5 Generic example R-Bus L-Bus S-Bus AD-3001366-02 Tab.2 Components in the example Item Description Function Control Unit: Control unit The control unit handles all basic functionality of the appli­ ance. Connection Board: Connection PCB The connection PCB provides easy access to all connectors of the control unit.

  • Page 11: Accessing The Installer Level

    4 Installer instructions Fig.6 Menu selection 1. Use the rotary knob to select the required menu. 22/02/2018 11:20 Home Screen ....Not set ......AD-3001387-01 Fig.7 Confirm menu selection 2. Press the button to confirm the selection. The available settings of this selected menu appear in the display.

  • Page 12: Chimney Sweep Menu

    4 Installer instructions 2. Follow the instructions on the display. Important The appliance might take a few minutes during certain steps while commissioning. Do not shut off the appliance or try to bypass steps, unless stated otherwise on the display. 3.

  • Page 13: Saving The Commissioning Settings

    4 Installer instructions 2. Select the test Medium power. Fig.11 Full load test A Change load test mode B Medium power The full load test starts. The selected load test mode is shown in the 11:20 ....... menu and the icon appears in the top right of the screen.

  • Page 14: Changing The Control Panel Settings

    4 Installer instructions Tab.7 Configuring a zone or function Parameters, counters, signals Description Parameters Set the parameters at installer level Counters Read the counters at installer level Signals Read the signals at installer level 4.4.1 Changing the control panel settings You can change the control panel settings within system settings.
  • Page 15 4 Installer instructions Important Some of the configurable input and output connectors will be used by these configurations. You will no longer be able to manually configure these inputs/outputs when enabling these configurations. Fig.13 Setting the fixed combinations A Enable or disable the function B List of relevant settings C Quick access to relevant parameters and signals 00:12...

  • Page 16: Setting The Inputs And Outputs

    4 Installer instructions > Installation Setup > DHW Mix/Circulation > Enabled > DHW tank mixing > On Use the rotary knob to navigate. Use the button to confirm your selection. Important This function uses Multifunctional out 1. 1. Press the button.
  • Page 17 4 Installer instructions Fig.14 Setting the inputs and outputs A Configure the function B List of relevant settings ........00:12 ........................
  • Page 18 4 Installer instructions Setting Description Relieve from CH Relieve from CH demand. Boiler relief signal: On/off contact to relieve the appliance for central heating. Use this when other appliances can also produce heat for central heating. When the appliance is relieved for a heat demand, the pump activates only the appliance will not produce heat.

  • Page 19: Setting The Parameters

    4 Installer instructions Setting Description DHW pump on Notify external system when the Status contact to report that the domestic hot water pump is DHW pump is on. Direct zone pump on Control the direct zone pump. On/off contact to connect the pump of a direct zone. When the boiler pump is active the zone pump will also be ac­...

  • Page 20: Increasing The Domestic Hot Water Temperature Temporarily

    4 Installer instructions Fig.16 The heating curve 5. Adjust the following parameters: 11:20 ......Tab.11 Heating curve settings ..Setting Description ..A Slope: Slope of the heating curve: ..Underfloor heating circuit: slope between 0.4 and ..
  • Page 21 4 Installer instructions Fig.17 Screed drying curve 0:00 0:00 0:00 0:00 0:00 0:00 0:00 0:00 0:00 0:00 0:00 0:00 AD-3001406-02 d Number of days 6 Phase 2 end temperature (parameter ZP050) T Heating setpoint temperature 7 Number of days in phase 3 of the screed drying 1 Number of days in phase 1 of the screed drying function (parameter ZP060) function (parameter ZP000)

  • Page 22: Maintaining The Installation

    4 Installer instructions Maintaining the installation 4.5.1 Viewing the service notification When a service notification appears on the display, you can view the details of the notification. Use the rotary knob to navigate. Use the button to confirm your selection. 1.

  • Page 23: Manual Deaeration

    4 Installer instructions 3. Select the appliance, control board or any other device you want to view. Fig.19 Version information A Select the appliance, control board or device B List of information 11:20 ....: ....4.

  • Page 24: Carrying Out An Auto Detect

    4 Installer instructions 4.6.2 Carrying out an auto detect The auto detect-function scans the installation for devices and other appliances connected to the L-Bus and S-Bus. You can use this function when a connected device or appliance has been replaced or removed from the installation.

  • Page 25: Setting The Maximum Input For Ch Operation

    4 Installer instructions Tab.13 Service notification parameter settings Code Display text Advice AP009 Service hours Set this to a value that fits the operation conditions. Typically this is 3000 hours for a commercial boiler in a normal heating set-up. AP010 Service notification Set this to 1 = Custom notification as to use the values set in AP009 and AP011 AP011...

  • Page 26: Setting For Process Heat Application

    7500 8000 AD-3003227-01 Q Input (Hi) (kW) 2 Quinta Ace S 60 R Fan rotation speed 3 Quinta Ace S 70 1 Quinta Ace S 50 Tab.14 Fan rotation speeds Boiler type Minimum input Factory setting Maximum input Quinta Ace S 50...

  • Page 27: Cascade Control

    4 Installer instructions The input is heat output based. The 0-10 Volt input control can be changed with parameter EP014 The temperature setpoints can be changed with parameter EP030 (minimum) and parameter EP031 (maximum). The power setpoints can be changed with parameter EP032 (minimum) and parameter EP033 (maximum).
  • Page 28 4 Installer instructions Fig.26 Cascade numbering A The lead boiler is number 1. B The first lag boiler is number 3 (number 2 does not exist). C The second lag boiler is number 4, and so on. There are two options for cascade control management: Adding supplementary boilers successively (traditional control).

  • Page 29: Settings

    5 Settings Settings Introduction to parameter codes Fig.29 Code on a HMI Advanced The controls platform makes use of an advanced system to categorise parameters, measurements and counters. Knowing the logic behind these ......00:12 codes, makes it easier to identify them. The code consists of two letters ....

  • Page 30: List Of Parameters

    5 Settings Fig.33 Search 4. Select the search criteria (code): 4.1. Select the first letter (datapoint category)........00:12 4.2. Select the second letter (datapoint type)..........4.3.
  • Page 31 5 Settings Code Display text Description Adjustment range Submenu AP089 Installer name Name of the installer Mandatory None None None bus master AP090 Installer phone Telephone number of the instal­ Mandatory bus master AP107 Color display Color display Mk2 0 = White Mandatory 1 = Red bus master...
  • Page 32 5 Settings Tab.18 Navigation for installer level Level Menu path Installer > Installation Setup > CU-GH20 > Submenu > Parameters, counters, signals > Parameters > General (1) See the column "Submenu" in the following table for the correct navigation. The parameters are grouped in specific functionalities. (2) The parameters can also be accessed directly via the Search datapoints function: >...
  • Page 33 5 Settings Code Display text Description Adjustment range Submenu CP220 Zone HCZP Reduced footpoint of the tem­ 15 – 90 °C CIRCA Reduced perature of heat curve of the cir­ cuit CP230 Zone Heating Heating curve temperature gra­ 0 – 4 CIRCA Curve dient of the zone...
  • Page 34 5 Settings Code Display text Description Adjustment range Submenu DP050 Circulation DHW circulation pump mode se­ 0 = Pump is off DHW cir­ mode lection 1 = Pump on time pro­ culation gram DHW Mix/ 2 = Pump for DHW Circulation comfort DP052...
  • Page 35 5 Settings Code Display text Description Adjustment range Submenu EP031 Max Setp Sets the maximum set point 0.5 – 100 °C 0-10 volt Temp 0-10V temperature for 0 - 10 volts for input the Smart Control Board EP032 Min Setp Pow­ Sets the minimum set point 0 –...
  • Page 36 5 Settings Code Display text Description Adjustment range Submenu NP012 CascPowerRi­ Cascade, Time to reach Tem­ 1 – 10 Cascade seTime perature Septoint manage­ ment B Cascade manage­ ment B NP013 CascForce­ Force Primary Pump to Stop on 0 = No Cascade Stop Pprim cascade...
  • Page 37 5 Settings Code Display text Description Adjustment range Submenu CP250 Calibration Adjust the measured room tem­ -5 – 5 °C CIRCA sensor perature CP450 Pump type The connected pump type 0 = On/Off CIRCA 1 = Modulating PWM 2 = Modulating LIN CP770 Zone Buffered The zone is after a Buffer tank...

  • Page 38: List Of Measured Values

    5 Settings Code Display text Description Adjustment range Submenu GP040 Deair grad Enable deaeration gradient 0 – 240 Sec Circulation check en test GP042 Fan RPM Max Maximum fan speed 0 – 65535 Rpm GVC Ge­ 6900 6900 6900 neric GP050 Power min Minimum power in kilo Watt for...
  • Page 39 5 Settings Tab.23 Signals at basic installer level Code Display text Description Range Submenu AM001 DHW active Is the appliance currently in domestic hot 0 = Off Tank DHW water production mode? 1 = On Gas fired ap­ pliance AM010 Pump speed The current pump speed 0 - 100%...
  • Page 40 5 Settings Code Display text Description Range Submenu CM030 Zone RoomTem­ Measure of the room temperature of the 0 - 50°C CIRCA perature zone CM190 Zone Troom set­ Wished room temperature setpoint of the 0 - 50°C CIRCA point zone CM210 ZoneTout temp Current outdoor temperature of the zone -70 - 70°C...
  • Page 41 5 Settings Tab.25 Signals at installer level Code Display text Description Range Submenu AM024 Actual rel power Actual relative power of the appliance 0 - 100% Gas fired ap­ pliance AM043 Pwr dwn reset nee­ A power down reset is needed 0 = No Gas fired ap­...
  • Page 42 5 Settings Code Display text Description Range Submenu DM081 Circulation Tsetp DHW circulation setpoint temperature 0 - 655.35°C DHW circula­ tion DHW Mix/ Circulation DM083 DHW manager sta­ DHW manager status DHW Mix/ Circulation DHWE iAB EM010 Meas 0-10V input Measurement of the Voltage on the 0 - 10V 0-10 volt input...
  • Page 43 5 Settings Code Display text Description Range Submenu NM023 CascNbStageRe­ Number of stage required on the Cas­ 0 - 255 Cascade quired cade management Cascade management NM028 CascNbProdPre­ Cascade Number of Producer present 0 - 255 Cascade sent recognized in the cascade management Cascade management...

  • Page 44: Status And Sub-Status

    5 Settings Code Display text Description Range Submenu DM019 DHW activity Domestic Hot Water current activity 0 = Off Internal DHW 1 = Eco 2 = Comfort 3 = Anti legionella DM029 DHW setpoint Domestic Hot Water temperature set­ 0 - 655.35°C Internal DHW point GM003...
  • Page 45 5 Settings Code Display text Explanation Device Mode The service tool interface controls the functions of the appliance. Unknown The actual state of the appliance is undefined. Tab.29 AM014 - Sub status Code Display text Explanation Standby The appliance waits for a process or an action. AntiCycling The appliance waits to restart, because there were too many consecutive heat demands (anti-short cycle).

  • Page 46: Maintenance

    The maintenance notification must be reset following every service. A reset will clear all the counters for service hours. The notification shows which service kit must be used. These kits contain all the parts and are available from BAXI spare parts suppliers. Tab.30 Notification overview...

  • Page 47: Opening The Boiler

    6 Maintenance The hours for service and amount of starts can be read with counters AC002, AC003 and AC004. Opening the boiler Fig.35 Opening the boiler 1. Unscrew the two screws located under the front panel. The screws remain hanging in the clips. 2.

  • Page 48: Checking The Water Quality

    6 Maintenance 6.5.2 Checking the water quality The quality of the heating water must comply with the limit values in our Water quality instructions. You can go to the website for the instruction. Caution Not fulfilling the water quality requirements can damage the boiler and will void the warranty.
  • Page 49 6 Maintenance Fig.39 Removing the electric connectors 1. Remove the electrical connections from the fan. from the fan AD-3003183-02 Fig.40 Removing the connectors from 2. Remove the connectors from the heat exchanger thermal switch. thermal switch AD-3003329-01 Fig.41 Removing the ionisation cable 3.

  • Page 50: Checking The Ionisation And Ignition Electrode

    Tab.31 Electrode distance values Boiler type Distance A (mm) B (mm) C (mm) Quinta Ace S 50 11.0 AD-3003207-03 Quinta Ace S 60 11.0 Quinta Ace S 70 11.0 Replace the electrode if the distances are not within the values given in the table.

  • Page 51: Checking The Burner And Burner Insulation

    6 Maintenance Fig.48 Cleaning the electrodes 7. Gently remove any oxides and deposits from the electrodes with sandpaper. Notice To prevent damage, reassemble or replace an electrode after the front plate unit has been refitted. AD-3003299-01 6.6.3 Checking the burner and burner insulation Warning The burner insulating disc and the glass fibre cord gasket are important for the safe functioning of the boiler.

  • Page 52: Cleaning The Heat Exchanger

    6 Maintenance Fig.51 Removing the burner insulation 1. Remove the insulation plate. 2. Remove the glass fibre cord gasket. 3. Remove all debris from the front plate with the nylon brush. AD-3003232-02 6.6.6 Cleaning the heat exchanger For this task, you will need the following tools: Vacuum cleaner Soft brush Control mirror...
  • Page 53 6 Maintenance Fig.54 Placing the burner insulation and 1. Place the new glass fibre cord gasket. glass fibre cord gasket 2. Place the new burner insulation on the front plate. Make sure all the notches and holes for the ignition electrode and ionisation electrode are correctly positioned.

  • Page 54: Finalising Work

    6 Maintenance Fig.57 Mounting the gas pipe on the 4. Mount the gas pipe on the venturi. There are two types of gas pipe venturi connections: 4.1. For boiler types 50 - 60: Place a new O-ring on the gas pipe and fix the gas pipe to the venturi with the clip.

  • Page 55: Disposal And Recycling

    The meaning of the code can be found in the various error code tables. Important The error code is needed to find the cause of the error quickly and correctly and for any support from BAXI. 7877364 - v.01 - 06112024...

  • Page 56: Display Of Error Codes

    Only qualified professionals are authorised to work on the appliance and system. The error code remains visible until the problem is solved. 3. Note the error code when the problem cannot be resolved. 4. Contact BAXI for support. 7.1.2 Warning Tab.33...

  • Page 57: Blocking

    7 Troubleshooting Code Display text Description Solution A.02.18 OBD Error Object Dictionary Error Configuration error: Reset CN1 and CN2 The data plate for the CN1 and CN2 values. A.02.36 Funct device lost Functional device has been discon­ SCB not found: nected Bad connection: check the wiring and connec­...
  • Page 58 7 Troubleshooting Code Display text Description Solution H.01.05 Max Delta TF-TR Maximum difference between flow Maximum difference between the flow and return temperature and return temperature temperature exceeded: No flow or insufficient flow: Check the flow (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger Sensor error: Check that the sensors are operating correct­...
  • Page 59 7 Troubleshooting Code Display text Description Solution H.01.09 Gas Pressure Switch Gas Pressure Switch Gas pressure too low: No flow or insufficient flow: Make sure that the gas valve is fully opened Check the gas supply pressure If a gas filter is present: Make sure that the filter is clean Wrong setting on the gas pressure switch: Make sure that the switch has been fitted...

  • Page 60: Locking

    7 Troubleshooting Code Display text Description Solution H.03.01 CU to GVC data error No valid data from CU to GVC re­ Communication error with the CU-GH: ceived Restart the boiler H.03.02 Flame loss detected Measured ionisation current is below No flame during operation: limit No ionisation current: Vent the gas supply to remove air...
  • Page 61 7 Troubleshooting Code Display text Description Solution E.00.09 THeat Ex Closed Heat exchanger temperature sensor Heat exchanger temperature sensor short-circuit­ is either shorted or measures a tem­ perature above range Bad connection: check the wiring and connec­ tors. Incorrectly fitted sensor: check that the sensor has been correctly fitted.
  • Page 62 7 Troubleshooting Code Display text Description Solution E.01.24 Combustion Error Several combustion errors occurs Low ionisation current: with 24 hours Vent the gas supply to remove air. Check that the gas valve is fully opened. Check the gas supply pressure. Check the operation and setting of the gas valve unit.
  • Page 63 7 Troubleshooting Code Display text Description Solution E.04.06 Max Flue temp Measured flue temperature above limit E.04.07 TFlow Sensor Deviation in flow sensor 1 and flow Flow temperature sensor deviation: sensor 2 detected Bad connection: check the connection Faulty sensor: replace the sensor E.04.08 Safety input Safety input is open...

  • Page 64: Error History

    7 Troubleshooting Code Display text Description Solution E.04.15 FlueGas Pipe Blocked The flue gas pipe is blocked Flue gas outlet is blocked: Check that the flue gas outlet is not blocked Restart the boiler E.04.17 GasValve Driver Err. The driver for the gas valve is bro­ Gas valve unit fault: Bad connection: check the wiring and connec­...

  • Page 65: Technical Specifications

    8 Technical specifications Technical specifications Electrical diagram Fig.64 Electrical diagram for boiler types 50 - 60 - 70 230 V PE-5 CU-GH20 PE-1 X114 X105 X104 X102 X115 X101 X111 BUS1 BUS2 BUS3 BUS4 XC01 PUMP PWM PUMP SUPPLY XQ01 Status LIN-Bus 0-10...
  • Page 66 8 Technical specifications 14 CAN connection for expansion PCB 17 CAN connection for expansion PCB 15 CAN connection for expansion PCB 18 Boiler pump 16 CAN connection for expansion PCB 7877364 - v.01 - 06112024...
  • Page 67 Original instructions - © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
  • Page 68 0345 070 1055 www.baxi.co.uk Brooks House Coventry Road Warwick CV34 4LL 01 459 0870 www.baxi.ie Unit F 5&6, Calmount Park, Calmount Road, Ballymount, Dublin 12 7877364 - v.01 - 06112024 7877364...

This manual is also suitable for:

Quinta ace s 60Quinta ace s 70

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