REMEHA Gas 220 Ace Service Manual
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REMEHA Gas 220 Ace Service Manual

REMEHA Gas 220 Ace Service Manual

High-efficiency floor-standing
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United Kingdom
en
Service Manual
High-efficiency floor-standing gas boiler
Gas 220 Ace
160 - 200 - 250 - 300
HMI T-control

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Summary of Contents for REMEHA Gas 220 Ace

  • Page 1 United Kingdom Service Manual High-efficiency floor-standing gas boiler Gas 220 Ace 160 - 200 - 250 - 300 HMI T-control...

  • 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. Our service and customer service organisation can assist with this.

  • Page 3: Table Of Contents

    Contents Contents About this manual ................. . . 5 Additional documentation .
  • Page 4 Contents 6.4.5 Status and sub-status ..............32 Maintenance .

  • Page 5: About This Manual

    Limited emissions of polluted substances. Has transport wheels as standard. The following boiler types are available: Tab.1 Boiler types Name Output Gas 220 Ace 160 162 kW Gas 220 Ace 200 210 kW Gas 220 Ace 250 261 kW Gas 220 Ace 300...

  • Page 6: Operating Principle

    2 Description of the product Operating principle 2.2.1 Gas/air regulation The boiler is equipped with a casing that also serves as an air box. The fan draws in the combustion air. The gas is injected into the venturi and mixed with the combustion air. The fan speed is controlled on the basis of the settings, the heat demand and the prevailing temperatures measured by the temperature sensors.

  • Page 7: Protection Against Shortage Of Water

    6 mbar, then the boiler will lock out. After eliminating the cause of the breakdown, the boiler can be unlocked. 2.2.10 Circulating pump Fig.1 Hydraulic resistance Gas 220 Ace ΔP Boiler resistance (mbar) Q Flow rate (m 8 9 10 11 12 13 14 AD-0001329-02 Fig.2...

  • Page 8: Calorifier Connection

    Central heating flow pipe Introduction to the e-Smart controls platform The Gas 220 Ace boiler is equipped with the e-Smart controls platform. This is a modular system, and offers compatibility and connectivity between all products that make use of the same platform.
  • Page 9 The CU-GH06c control unit handles all basic functionality of HE-150-300 the Gas 220 Ace boiler. 1.85 Control panel HMI T-control The HMI T-control is the user interface to the Gas 220 Ace boiler. SCB-01 Expansion PCB SCB-01 The SCB-01 provides a 0-10 V connection for a PWM system pump and two potential-free contacts for status notification.

  • Page 10: Use Of The Control Panel

    3 Use of the control panel Use of the control panel Control panel components Fig.5 Control panel components 1 Rotary knob to select a tile, menu or setting 2 Confirm button to confirm the selection 3 Back button Short button press: Return to the previous level or previous menu Long button press: Return to home screen 4 Menu button...

  • Page 11: Description Of The Icons In The Display

    3 Use of the control panel Tab.5 Available menus for the installer Description Icon Disable installer access Installation Setup Commissioning Menu Advanced Service Menu Error History System Settings Version Information Description of the icons in the display Tab.6 Icons Icon Description User menu: user-level parameters can be configured.

  • Page 12: Installer Instructions

    4 Installer instructions Icon Description Icon Description Heating enabled. Cooling enabled. Heating/cooling enabled. Heating/cooling disabled. Tab.8 Icons - Zones Icon Description All zones (groups) icon. Living room icon. Kitchen icon. Bedroom icon. Study icon. Cellar icon. Installer instructions Accessing the user level menus The tiles on the home screen provide quick access for the user to the corresponding menus.

  • Page 13: Commissioning The Appliance

    4 Installer instructions Fig.10 Installer level 1.2. Use code: 0012. The tile [ ] shows that the installer access is On, and the ........00:12 icon in the top right of the display changes into ............

  • Page 14: Saving The Commissioning Settings

    4 Installer instructions Tab.9 Load tests in the chimney sweep menu Change load test mode Settings No test Low power Part load test Medium power Full load test for Central Heating mode High power Full load test for Central Heating + Domestic Hot Water mode Tab.10 Load test settings Load Test menu...

  • Page 15: Configuring The Installation At Installer Level

    4 Installer instructions > Advanced Service Menu > Save as commissioning settings Use the rotary knob to navigate. Use the button to confirm your selection. 1. Press the button. 2. Select Advanced Service Menu. 3. Select Save as commissioning settings. 4.

  • Page 16: Setting The Installer Details

    4 Installer instructions 4.4.2 Setting the installer details You can store your name and phone number in the control panel to be read by the user. When an error occurs these contact details will be displayed. > System Settings > Installer Details Use the rotary knob to navigate.

  • Page 17: Increasing The Domestic Hot Water Temperature Temporarily

    4 Installer instructions Use the rotary knob to navigate. Use the button to confirm your selection. 1. Select the tile of the zone you want to configure. 2. Select Control strategy. 3. Select the setting Outdoor temp based or Outdoor & room based. The option Heating Curve appears in the Zone setup menu.

  • Page 18: Viewing Production And Software Information

    4 Installer instructions > Installation Setup > select zone or device > Parameters, counters, signals > Counters or Signals Use the rotary knob to navigate. Use the button to confirm your selection. 1. Press the button. 2. Select Installation Setup. Enable installer access if Installation Setup is not available.

  • Page 19: Resetting Or Restoring Settings

    4 Installer instructions 4. Follow the instructions on the display. You can press and hold to abort the procedure. Resetting or restoring settings 4.6.1 Resetting the configuration numbers CN1 and CN2 The configuration numbers must be reset when indicated by an error message or when the control unit has been replaced.

  • Page 20: Resetting To Factory Settings

    5 Installation examples Use the rotary knob to navigate. Use the button to confirm your selection. 1. Press the button. 2. Select Advanced Service Menu. 3. Select Revert commissioning settings. 4. Select Confirm to restore the commissioning settings. 4.6.4 Resetting to factory settings You can reset the appliance to the default factory settings.

  • Page 21: Searching The Parameters, Counters And Signals

    6 Settings Gas fired: Gas-fired heat engine Producer: Central heating Category D codes are appliance controlled only. When the domestic hot water is controlled by an SCB, it is handled like a circuit, with C-category codes. Fig.23 Second letter The second letter is the type. CP010 Parameter: Parameters Counter: Counters...
  • Page 22 6 Settings Tab.15 Navigation for basic installer level Level Menu path Basic installer > Installation Setup > FSB-WHB-HE-150-300 > 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. Tab.16 Factory settings at basic installer level Code...
  • Page 23 6 Settings Code Description Adjustment range Submenu AP010 Select the type of service notifica­ 0 = None Commercial tion 1 = Custom notification boiler 2 = ABC notification AP011 Hours powered to raise a service 24 - 51000 Hours Commercial 17400 17400 17400...
  • Page 24 6 Settings Code Description Adjustment range Submenu DP010 Temperature hysteresis for the 0 - 60 °C Commercial heat generator to start on domestic boiler hot water production DP011 Temperature offset to stop heat 0 - 60 °C Commercial generator on domestic hot water boiler production EP014...

  • Page 25: Scb-01 Expansion Pcb Parameters

    6 Settings Code Description Adjustment range Submenu AP056 Enable outdoor sensor 0 = No outside sensor Outdoor 1 = AF60 tempera­ ture AP089 Name of the installer Mandatory bus master AP090 Telephone number of the installer Mandatory bus master CP040 Pump post runtime of the zone 0 - 20 Min CP240...

  • Page 26: List Of Measured Values

    6 Settings Tab.22 Factory settings at installer level Code Description Adjustment range Submenu Default setting EP018 Status relay function 0 = No Action Status informa­ No Action 1 = Alarm tion 2 = Alarm Inverted 3 = Generator on 4 = Generator off 5 = Reserved 6 = Reserved 7 = Service request...
  • Page 27 6 Settings Code Description Range Submenu AC004 Number of heat generator starts since the previ­ 0 - 4294967295 Commercial boil­ ous servicing. AC005 Energy consumed for central heating 0 - 4294967295kWh Commercial boil­ AC006 Energy consumed for domestic hot water 0 - 4294967295kWh Commercial boil­...

  • Page 28: Scb-01 Expansion Pcb Counters

    6 Settings 6.4.2 SCB-01 expansion PCB counters Tab.29 Navigation for basic installer level Level Menu path Basic installer > Installation Setup > SCB-01 > Submenu > Parameters, counters, signals > Counters > General (1) See the column "Submenu" in the following table for the correct navigation. The counters are grouped in specific functionalities. Tab.30 Counters at basic installer level Code...
  • Page 29 6 Settings Code Description Range Submenu AM027 Instantaneous outside temperature -60 - 60°C Outdoor temper­ ature Commercial boil­ AM028 Value of the 0 to 10 Volt input, meaning is de­ 0 - 25V 0-10 volt input pendant on the current input function setting. AM037 Status of the three way valve 0 = CH...
  • Page 30 6 Settings Code Description Range Submenu CM120 Zone Current Mode 0 = Scheduling 1 = Manual 2 = Off 3 = Temporary CM130 Current activity of the zone 0 = Off 1 = Reduced 2 = Comfort 3 = Anti legionella CM140 OpenTherm controller is connected to the zone 0 = No...

  • Page 31: Scb-01 Expansion Pcb Signals

    6 Settings Tab.35 Navigation for advanced installer level Level Menu path Advanced installer > Installation Setup > FSB-WHB-HE-150-300 > Submenu > Parameters, counters, signals > Signals > Advanced (1) See the column "Submenu" in the following table for the correct navigation. The signals are grouped in specific functionalities. Tab.36 Signals at advanced installer level Code...

  • Page 32: Status And Sub-Status

    6 Settings Tab.39 Navigation for installer level Level Menu path Installer > Installation Setup > SCB-01 > Submenu > Parameters, counters, signals > Signals > General (1) See the column "Submenu" in the following table for the correct navigation. The signals are grouped in specific functionalities. Tab.40 Signals at installer level Code...
  • Page 33 6 Settings Code Display text Explanation CloseFlueGasValve The flue gas valve opens. FanToPrePurge The fan runs faster to pre-purge. WaitForReleaseSignal The appliance waits for the release input to close. BurnerOnCommandToSu A burner start command is sent to the safety core. VpsTest Valve proving test is active.

  • Page 34: 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 spare parts suppliers. Important Maintenance messages must be followed up within 2 months.

  • Page 35: Checking The Water Pressure

    7 Maintenance 7.3.1 Checking the water pressure 1. Check the water pressure. Important The water pressure is shown on the display of the control panel. The water pressure must be at least 0.8 bar 2. If the water pressure is lower than 0.8 bar, top up the central heating system.

  • Page 36: Checking/Setting Values For O 2 /Co 2 At Full Load

    2. Compare the measured value with the checking values in the table. Tab.43 Checking/setting values for O at full load for G20 (H gas) Values at full load for G20 (H gas) Gas 220 Ace 160 4.8 - 5.2 - 9.0 Gas 220 Ace 200 4.8 - 5.2 - 9.0 Gas 220 Ace 250 4.8 - 5.2...
  • Page 37 BREEAM with G30/G31 (butane/propane) Values at full load for G30/G31 (butane/ (1)(2) (3)(4) propane) Gas 220 Ace 160 6.6 - 6.9 - 9.4 Gas 220 Ace 200 - - - Gas 220 Ace 250 - - - Gas 220 Ace 300 6.8 - 7.1...

  • Page 38: Checking/Setting Values For O 2 /Co 2 At Low Load

    2. Compare the measured value with the checking values in the table. Tab.47 Checking/setting values for O at low load for G20 (H gas) Values at low load for G20 (H gas) Gas 220 Ace 160 - 5.6 8.6 - 8.8 Gas 220 Ace 200 - 5.6 8.6 - 8.8 Gas 220 Ace 250 - 5.6...
  • Page 39 BREEAM with G30/G31 (butane/propane) Values at low load for G30/31 (butane/ (1)(2) (3)(4) propane) Gas 220 Ace 160 - 7.2 9.0 - 9.2 Gas 220 Ace 200 - - - Gas 220 Ace 250 - - - Gas 220 Ace 300 - 7.4...

  • Page 40: Checking The Air Pressure Differential Switch

    7 Maintenance 7.3.6 Checking the air pressure differential switch Checking the air pressure differential switch + side Fig.32 Check the air pressure differential 1. Switch off the boiler. switch + side 2. Disconnect the silicon hose on the + side (P1) of the air pressure differential switch.

  • Page 41: Checking The Minimum Gas Pressure Switch Gps

    If the measured pressure is lower, set the gas pressure switch to the correct value or replace it. Tab.51 Minimum gas pressure switch value Minimum value (mbar) Gas 220 Ace 160 Gas 220 Ace 200 Gas 220 Ace 250 Gas 220 Ace 300 X mbar ≤...

  • Page 42: Checking The Burner And Cleaning The Heat Exchanger

    7 Maintenance 7.3.8 Checking the burner and cleaning the heat exchanger Fig.35 Checking the burner 1. Disconnect the plug of the ionisation/ignition electrode from the ignition transformer. 5 3x Caution The ignition cable is fixed to the ionisation/ignition electrode and therefore may not be removed.

  • Page 43: Cleaning The Condensate Trap

    7 Maintenance Fig.36 Clean the connection nipple 1. Remove the air intake silencer. 2. Disconnect the silicon hose of the air pressure differential switch from the connection nipple on the condensate collector. 3. Clean the opening of the connection nipple thoroughly (by blowing air or pushing an object through it).

  • Page 44: Replacing The Ionisation/Ignition Electrode

    7 Maintenance 7.4.1 Replacing the ionisation/ignition electrode Fig.39 Replacing the ionisation/ignition The ionisation/ignition electrode must be replaced if: electrode The ionisation current is < 4 µA. The electrode is damaged or worn. The electrode is included in the service kit. 1.

  • Page 45: Finalising Work

    Troubleshooting Error codes The Gas 220 Ace is fitted with an electronic regulation and control unit. The heart of the control is a e-Smart microprocessor, which controls and also protects. In the event of an error, a corresponding code is displayed.

  • Page 46: Warning

    8 Troubleshooting Fig.41 Error code display on HMI T-control 1 The display will show a corresponding code and message. 2 The status LED of the control panel will show: Continuous green = Normal operation Flashing green = Warning 22/02/2018 11:20 Home Screen ..

  • Page 47: Blocking

    8 Troubleshooting 8.1.3 Blocking Tab.54 Blocking codes Code Description Solution H.00.36 Second return temperature sensor is either re­ Second return temperature sensor open: moved or measures a temperature below Bad connection: check the wiring and connectors. range Incorrectly fitted sensor: check that the sensor has been correctly fitted.
  • Page 48 8 Troubleshooting Code Description Solution H.01.13 Heat Exchanger temperature has exceeded Maximum heat exchanger temperature exceeded: the maximum operating value Check the circulation (direction, pump, valves). Check the water pressure. Check that the sensors are operating correctly. Check that the sensor has been fitted properly. Check the cleanliness of the heat exchanger.

  • Page 49: Locking Codes

    8 Troubleshooting Code Description Solution H.03.01 No valid data from CU to GVC received Communication error with the CU-GH: Restart the boiler H.03.02 Measured ionisation current is below limit No flame during operation: No ionisation current: 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 50 8 Troubleshooting Code Description Solution E.00.40 Water pressure sensor is either removed or Hydraulic pressure sensor open: measures a temperature below range Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.
  • Page 51 8 Troubleshooting Code Description Solution E.04.02 Flow temperature sensor is either removed or Flow temperature sensor open: measuring a temperature below range Bad connection: check the wiring and connectors Faulty sensor: replace the sensor E.04.03 Measured flow temperature above savety limit No flow or insufficient flow: Check the circulation (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger...

  • Page 52: Error History

    8 Troubleshooting Code Description Solution E.04.14 The burner temperature and setpoint differ more than 60s regarding GVC configuration E.04.15 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 The driver for the gas valve is broken Gas valve unit fault:...

  • Page 53: Technical Specifications

    9 Technical specifications Technical specifications Electrical diagram Fig.43 Electrical diagram CU-GH & HMI X04 / X05 1 - 4 1 - 4 1 - 4 X012 X013 X022 X021 X041 X051 X053 X054 X055 X081 X071 X083 X111 X121 X04 / X05 X011 X202 X0141...

  • Page 54: 10 Spare Parts

    Only replace defective or worn boiler parts with original parts or recommended 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 55: Parts

    10 Spare parts 10.2 Parts Fig.44 Gas 220 Ace 160 4024 4029 4023 4028 4038 4037 4022 4036 4027 4021 4021 4018 4033 4012 4034 4009 1011 4014 1012 4015 4026 4025 1010 1009 1011 4017 4013 4016 4010 2041...
  • Page 56 10 Spare parts Fig.45 Gas 220 Ace 200 - 250 - 300 4024 4029 4023 4028 4038 4022 4037 4025 4036 4027 4021 4018 4012 4033 4034 4021 4014 4009 4015 4026 2041 4016 4010 4005 4035 4017 1011 4013...
  • Page 57 10 Spare parts 7699084 - v.08 - 12072024...
  • Page 58 10 Spare parts 7699084 - v.08 - 12072024...
  • Page 59 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 60 T +44 (0)330 678 0140 E technical@remeha.co.uk W www.remeha.co.uk Remeha Commercial UK Brooks House Coventry Road Warwick CV34 4LL 7699084 - v.08 - 12072024 7699084...

This manual is also suitable for:

Gas 220 ace 160Gas 220 ace 200Gas 220 ace 250Gas 220 ace 300

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