Baxi Quinta Ace S 90 Service Manual
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Baxi Quinta Ace S 90 Service Manual

Baxi Quinta Ace S 90 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
90 - 110 - 130 - 150

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  • Page 1 United Kingdom - Ireland Service manual High-efficiency wall-hung gas boiler Quinta Ace S 90 - 110 - 130 - 150...

  • 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 ................48 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

    3 Description of the product Tab.1 Boiler types Name Rated heat output (Prated) Quinta Ace S 90 85 kW Quinta Ace S 110 102 kW Quinta Ace S 130 122 kW Quinta Ace S 150 140 kW Main components Fig.1...

  • Page 9: Introduction To The Bdr Controls Platform

    3 Description of the product Fig.3 Gas-air 1 Fan 2 Mixing tube 3 Venturi 4 Air inlet with silencer 5 Air pressure switch (only on boiler types: 130 - 150 ) 6 Burner 7 Gas pipe 8 Gas control valve AD-3003211-01 Fig.4 Sensors and boxes...

  • 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

    8000 AD-3003228-01 Q Input (Hi) (kW) 2 Quinta Ace S 110 R Fan rotation speed 3 Quinta Ace S 130 1 Quinta Ace S 90 4 Quinta Ace S 150 Tab.14 Fan rotation speeds Boiler type Minimum input Factory setting...

  • Page 27: Changing The Δt Setting

    4 Installer instructions 1. Set parameter DP140 to Process heat. 2. Set parameters DP005 and DP070 to the required value for this installation. 3. If using a DHW sensor; set parameters DP006 and DP034 to the required value for this installation. 4.7.4 Changing the ΔT setting The ΔT can be increased with a parameter setting.

  • Page 28: Cascade Control

    4 Installer instructions Fig.25 Output regulation graph V Voltage P Boiler output 1 Minimum output 2 Maximum output 3 Reduced maximum output (example) 4 Start voltage 5 Start voltage for reduced output (example) The formula for calculating the start voltage is: Vstart = ((10.3 * GP008) - (0.5 * GP007factory)) / GP007current Vstart Start voltage.

  • Page 29: Settings

    5 Settings Fig.28 Parallel cascade control 1 All boilers in the cascade start running when the system management temperature is 3 °C below setpoint. 2 The first boiler stops running when the system temperature is 3 °C above setpoint. 3 After 4 minutes the second boiler stops running if ΔT< 6 K and the system temperature is still more than 3 °C above setpoint.

  • Page 30: Searching The Parameters, Counters And Signals

    5 Settings Searching the parameters, counters and signals You can search and change data points (Parameters, counters, signals) of the appliance, connected control boards and sensors. > Installation Setup > Search datapoints Use the rotary knob to navigate. Use the button to confirm your selection.
  • Page 31 5 Settings Code Display text Description Adjustment range Submenu 90 AP074 Force sum­ The heating is stopped, Hot 0 = Off Outdoor mer mode water is maintained, Force 1 = On tempera­ summer mode ture AP083 Enable mas­ Enable the master functionali­ 0 = No Mandato­...
  • Page 32 5 Settings Code Display text Description Adjustment range Submenu 90 DP080 DHW eco set­ Eco friendly temperature set­ 10 – 60 °C Internal point point from the Domestic Hot Water tank DP200 DHW mode DHW primary mode current 0 = Scheduling Internal working setting 1 = Manual...
  • Page 33 5 Settings Code Display text Description Adjustment range Submenu 90 AP178 Pump output Output profile of the 0 = 0-10V 1 (Wilo) Pump profile 0-10V/PWM pump 1 = 0-10V 2 (Gr Configu­ GENI) ration 2 = PWM signal (So­ lar) 3 = 0-10V 1 limited 4 = 0-10V 2 limited 5 = PWM signal limi­...
  • Page 34 5 Settings Code Display text Description Adjustment range Submenu 90 DP024 Mix anti-leg DHW mixing pump anti- le­ 0 = Off DHW mix­ mode gionella mode 1 = During charging 2 = Charging + disin­ DHW Mix/ fect Circula­ tion DP025 DHW mixing DHW mixing pump enable...
  • Page 35 5 Settings Code Display text Description Adjustment range Submenu 90 DP160 DHW AntiLeg Setpoint for DHW anti legion­ 60 – 90 °C Internal Setpoint ella Tank DP336 DHW pump DHW circulation pump hyste­ 1 – 60 °C DHW cir­ hysteresis resis temperature culation DHW Mix/...
  • Page 36 5 Settings Code Display text Description Adjustment range Submenu 90 NP006 Cascade Cascading boilers by adding 0 = Traditional Cascade Type successively or in parallel, the 1 = Parallel manage­ boilers function simultaneous­ ment B Cascade manage­ ment B NP007 CascTOut­...
  • Page 37 5 Settings Tab.20 Navigation for advanced installer level Level Menu path Advanced installer > Installation Setup > CU-GH20 > Submenu > Parameters, counters, signals > Parameters > Advanced (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 38 5 Settings Code Display text Description Adjustment range Submenu 90 DP007 Dhw 3wv Position of three way valve 0 = CH position Tank Standby during standby 1 = DHW position DP020 Postrun DHW Post run time of the DHW 0 – 99 Sec Gas fired pump/3wv pump/3 way valve after DHW...

  • Page 39: List Of Measured Values

    5 Settings Code Display text Description Adjustment range Submenu 90 NP002 CascProdMan Hysterese low for Producer 0.5 – 10 °C Cascade Hys.Low Manager manage­ ment B Cascade manage­ ment B NP003 CascProdMa­ Maximum error gain for Pro­ 0 – 10 °C Cascade nErrRange ducer Manager...
  • Page 40 5 Settings Code Display text Description Range Submenu AM014 Sub status Appli­ Current sub status of the appliance. Status infor­ ance mation Status and sub-status, System Func­ page 45 tionality AM015 Pump running? Is the pump running? 0 = Inactive Gas fired ap­...
  • Page 41 5 Settings Code Display text Description Range Submenu DM061 Status DHW anti- DHW circulation pump anti-legionella 0 = Off DHW mixing function status 1 = Charging DHW circula­ 2 = Disinfection tion DHW Mix/ Circulation DHWE iAB DM062 DHW tank temper­ DHW tank temperature -25 - 150°C DHW mixing...
  • Page 42 5 Settings Code Display text Description Range Submenu AM170 Measurement sen­ Measurement of multifunctional sensor 1 -327.68 - 327.67°C DHWE iAB sor 1 Multifunct sensors AM171 Measurement sen­ Measurement of multifunctional sensor 1 -327.68 - 327.67°C DHWE iAB sor 1 Multifunct sensors AM172...
  • Page 43 5 Settings Code Display text Description Range Submenu EM018 Tsetp 0-10V input Temperature set point required by 0-10V 0 - 100°C 0-10 volt input Input EM021 Power setp 0-10V Power setpoint required by 0-10V input 0 - 100% 0-10 volt input GM025 STB status High limit status (0 = open, 1 = closed)
  • Page 44 5 Settings Code Display text Description Range Submenu NM028 CascNbProdPre­ Cascade Number of Producer present 0 - 255 Cascade sent recognized in the cascade management Cascade management ZM000 Screed temp set­ The current flow temperature setpoint for 7 - 60°C Direct zone point screed drying...

  • Page 45: Status And Sub-Status

    5 Settings Code Display text Description Range Submenu GM003 Flame detection Flame detection 0 = Off Gas fired ap­ 1 = On pliance GVC Generic GM004 Gas valve 1 Gas valve 1 0 = Open Gas fired ap­ 1 = Closed pliance 2 = Off GVC Generic...
  • Page 46 5 Settings 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). ClosePump The appliance starts the pump. WaitingForStartCond.

  • Page 47: 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 48: Opening The Boiler

    6 Maintenance 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. Gently pull down the two clips to unlock them. 3. Remove the front panel. AD-3003163-01 Access to the boiler components For easier access to the lower boiler components, the control box can be...

  • Page 49: Checking The Water Quality

    6 Maintenance 3. Check the condition and tightness of the hoses of the air pressure differential switch. Replace the hoses if necessary. Fig.37 Positive (+) side of the air pressure 4. Disconnect the silicon hose from the + side of the air pressure differential switch differential switch.

  • Page 50: Cleaning The Trap Bottle

    6 Maintenance 6.5.4 Cleaning the trap bottle Danger The trap bottle must always be sufficiently filled with water. This prevents flue gases from entering the room. Fig.39 Cleaning the trap bottle 1. Unscrew the slip joint nut and remove the trap bottle. 2.

  • Page 51: Checking The Ionisation And Ignition Electrode

    6 Maintenance Fig.43 Removing the ignition cable 4. Remove the ignition electrode cables from the earthing clip and ignition transformer. AD-3003332-01 Fig.44 Removing the gas pipe from the 5. Remove the gas pipe from the venturi. There are two types of gas venturi pipe connections: 5.1.
  • Page 52 1.3. Check the distance C between the two pins of the ignition electrode. Tab.31 Electrode distance values Boiler type Distance A (mm) B (mm) C (mm) Quinta Ace S 90 11.0 AD-3003207-03 Quinta Ace S 11.5 Quinta Ace S 10.0 11.5 Quinta Ace S 10.0...

  • Page 53: Checking The Burner And Burner Insulation

    6 Maintenance 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. Replace the burner insulating disc and the glass fibre cord gasket every 2 years. Fig.51 Checking the burner and burner 1.

  • Page 54: Cleaning The Heat Exchanger

    6 Maintenance Fig.54 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 55 6 Maintenance Fig.57 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 56 6 Maintenance Fig.60 Mounting the front plate unit in 2. Mount the front plate unit. boiler type 90 3. Tighten the nuts of the front plate unit. Tightening torque: 5.5 N⋅m AD-3003233-01 Fig.61 Mounting the front plate unit in boiler types 110 - 130 - 150. AD-3003219-02 Fig.62 Mounting the gas pipe on the...

  • Page 57: Finalising Work

    6 Maintenance Fig.64 Mounting the ionisation and ignition 1. Replace or re-assemble the ionisation electrode: electrode 1.1. Place the new gasket for the ionisation electrode. 1.2. Mount the electrode. 1.3. Tighten the screws on the electrode. Tightening torque: 2.5 N⋅m 1.4.

  • Page 58: Troubleshooting

    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. 7.1.1 Display of error codes...

  • Page 59: Warning

    7 Troubleshooting 7.1.2 Warning Tab.33 Warning codes Code Display text Description Solution A.00.34 TOutdoor Missing Outdoor temperature sensor was ex­ Outdoor sensor not detected: pected but not detected Outdoor sensor is not connected: Connect the sensor Outdoor sensor is not connected correctly: Connect the sensor correctly A.00.40 WaterPressureOpen...

  • Page 60: Blocking

    7 Troubleshooting Code Display text Description Solution A.02.80 Missing Cascade Ctrl Missing Cascade controller Cascade controller not found: Reconnect the cascade master Carry out an auto-detect A.08.06 LIN pump 1 warning LIN pump 1 warning operating on limited conditions 7.1.3 Blocking Tab.34 Blocking codes...
  • Page 61 7 Troubleshooting Code Display text Description Solution H.01.08 CH temp grad level3 Maximum CH temperature gradient Maximum heat exchanger temperature increase level3 exceeded has been exceeded: No flow or insufficient flow: Check the circulation (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger Check that the central heating system has been correctly vented to remove air...
  • Page 62 7 Troubleshooting Code Display text Description Solution H.02.04 Parameter Error Parameter Error Factory settings incorrect: Parameters are not correct: Restart the boiler Reset CN1 and CN2 Replace the CU-GH PCB H.02.05 CSU CU mismatch CSU does not match CU type Configuration error: Reset CN1 and CN2 H.02.12...

  • Page 63: Locking

    7 Troubleshooting 7.1.4 Locking Tab.35 Locking codes Code Display text Description Solution E.00.04 TReturn Open Return temperature sensor is either Return temperature sensor open: removed or measures a temperature Bad connection: check the wiring and connec­ below range tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor E.00.05...
  • Page 64 7 Troubleshooting Code Display text Description Solution E.01.04 5x Flame Loss Error 5x Error of unintended Flame Loss Flame loss occurs 5 times: occurance 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 Check that the air supply inlet and flue gas out­...
  • Page 65 7 Troubleshooting Code Display text Description Solution E.04.01 TFlow Closed Flow temperature sensor is either Flow temperature sensor short circuited: shorted or measuring a temperature Bad connection: check the wiring and connec­ above range tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor E.04.02...
  • Page 66 7 Troubleshooting Code Display text Description Solution E.04.10 Unsuccessful start 5 Unsuccessful burners starts detec­ Five failed burner starts: No ignition spark: Check the wiring between the CU-GH and the ignition transformer Check the ionisation/ignition electrode Check breakdown to earth Check the condition of the burner cover Check the earthing Replace the CU-GH...

  • Page 67: Error History

    7 Troubleshooting Error history The control panel has an error history that stores the last 32 errors. Specific details are stored for each error, for example: Status Sub-status Flow temperature Return temperature These details and others can contribute to the error solution. 7.2.1 Reading out and clearing the error history You can read out the errors on the control panel.

  • Page 68: Technical Specifications

    8 Technical specifications Technical specifications Electrical diagram Fig.69 Electrical diagram for boiler types 90 - 110. 230 V PE-5 CU-GH20 X62-B X62-A X101-4 X101-3 X114 X104 X101-1 X101-2 X102 X115 X105 X111 BUS1 BUS2 BUS3 BUS4 XC01 PUMP PWM PUMP SUPPLY XQ01 Status LIN-Bus...
  • Page 69 8 Technical specifications 14 Control panel (HMI) 17 CAN connection for expansion PCB 15 CAN connection for expansion PCB 18 CAN connection for expansion PCB 16 CAN connection for expansion PCB 19 Boiler pump Fig.70 Electrical diagram for boiler types 130 - 150. 230 V PE-5 CU-GH20...
  • Page 70 8 Technical specifications 16 CAN connection for expansion PCB 19 CAN connection for expansion PCB 17 CAN connection for expansion PCB 20 Boiler pump 18 CAN connection for expansion PCB 7877368 - v.01 - 06112024...
  • Page 71 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 72 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 7877368 - v.01 - 06112024 7877368...

This manual is also suitable for:

Quinta ace s 110Quinta ace s 130Quinta ace s 150

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