REMEHA Gas 220 Ace Installation And User Manual
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REMEHA Gas 220 Ace Installation And User Manual

REMEHA Gas 220 Ace Installation And User Manual

High-efficiency floor-standing gas boiler
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United Kingdom
en
Installation and User 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 Installation and User 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 Safety ................... . 6 General safety instructions .
  • Page 4 Contents 5.6.5 The SCB-10 expansion PCB ............. 44 5.6.6 Connecting a PC/laptop .
  • Page 5 Contents 11.12 Reading the installer's name and phone number ........... . . 91 11.13 Shut-down .

  • Page 6: 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 7: Recommendations

    1 Safety Warning The condensate drain must not be modified or sealed. If a condensate neutralisation system is used, the system must be cleaned regularly in accordance with the instructions provided by the manufacturer. Caution Ensure that the appliance is regularly serviced. Contact a qualified installer or arrange a maintenance contract for the servicing of the appliance.

  • Page 8: Liabilities

    Keep the instruction manuals in good condition close to the appliance. About this manual General This manual describes the installation, use and maintenance of the Gas 220 Ace boiler. This manual is part of all the documentation supplied with the boiler. Additional documentation...

  • Page 9: Symbols Used In The 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 10: Main Components

    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 11: Standard Delivery

    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-10 1.04 Expansion PCB SCB-10 The SCB-10 provides functionality for one DHW and three central heating zones, a 0-10 V connection for a PWM system pump and a potential-free contact for status notification.

  • Page 12: Preparation Of Installation

    Contact us for more information. Preparation of installation Installation regulations Important The Gas 220 Ace must be installed by a qualified installer in accordance with local and national regulations. Warning The installer must be registered with Gas Safe and have the correct ACS qualifications.

  • Page 13: Transport

    4 Preparation of installation 4.2.2 Transport Fig.4 Boiler package The boiler is supplied fully assembled and packaged on a pallet. Without the packaging, the boiler will fit through all standard doorways. The boiler is equipped with integrated transport wheels, meaning it can easily be moved.

  • Page 14: Requirements For Water Connections

    4 Preparation of installation Requirements for water connections Before installation, check that the connections meet the set requirements. Carry out any welding work required at a safe distance from the boiler. If using synthetic pipes, follow the manufacturer's instructions. 4.3.1 Requirements for the central heating connections We recommend installing a central heating filter in the return pipe to prevent clogging of boiler components.

  • Page 15: Requirements On The Flue Gas Discharge System

    Horizontal flue terminal and connection material: Flue gas discharge in the outside wall. The air inlet is in the same pressure zone as the flue (e.g. a Remeha, combined with con­ horizontal flue terminal). nection material from Muelink Parallel wall terminal not permitted.
  • Page 16 4 Preparation of installation Tab.8 Type of flue system: C Principle Description Recommended manufactur­ Connection in different pressure zones. Connection material and roof terminal: Closed unit. Separate air inlet and flue. Muelink & Grol Discharging into various pressure areas. The air inlet and flue must not be placed on opposite walls. AD-3001058-02 (1) The material must also satisfy the material property requirements from the relevant chapter.

  • Page 17: Material

    4 Preparation of installation Fig.6 Minimum dimensions of shaft or Important duct C The shaft must comply with the airtightness requirements of the local regulations. Important □ Ø Always clean shafts thoroughly when using flue liners and/or an air supply connection. It must be possible to inspect the flue liner.

  • Page 18: Dimensions Of Flue Gas Outlet Pipe

    4 Preparation of installation 4.5.3 Dimensions of flue gas outlet pipe Warning The pipes connected to the flue gas adapter must satisfy the following dimension requirements. Fig.8 Dimensions of open connection External dimensions of flue gas outlet pipe Tab.13 Dimensions of pipe (min-max) 150 mm 149 - 151 mm...

  • Page 19: Room-Sealed Model (C 13 , C 33 , C 63 , C 93 )

    Tab.15 Maximum chimney length (L) Diameter 130 mm 150 mm 200 mm 250 mm Gas 220 Ace 160 37 m 50 m 50 m 50 m Gas 220 Ace 200 16 m 35 m 50 m...

  • Page 20: Connection In Different Pressure Areas (C 53 )

    36 m. Tab.17 Maximum chimney length (L) Diameter 130 mm 150 mm 200 mm 250 mm Gas 220 Ace 160 27 m 64 m 100 m 100 m Gas 220 Ace 200 21 m 100 m...

  • Page 21: Requirements For The Electrical Connections

    4 Preparation of installation Newly installed aluminium flue gas pipes with longer lengths can produce relatively larger quantities of corrosion products. Also casting sand and processing metal chips from new boilers can fill the boiler trap on short term after installation. Check and clean the trap more often for these reasons.
  • Page 22 4 Preparation of installation Fig.15 Zone The schemes are divided in columns. All relevant connections and settings are grouped per column. AD-3001510-02 Fig.16 Heat demand Heat demand: The top row shows the heat demand (if applicable) for the zone. AD-3001506-01 Fig.17 Hydraulic connections Hydraulic connections: Only the essential parts are shown, parts to be...

  • Page 23: How To Find The Desired Installation Example

    4 Preparation of installation Fig.22 Normal connector These connectors can be connected normally. AD-3001511-01 Fig.23 Combined connector These connectors combine two plugs into one connector. In the installation examples they appear with one highlighted part, which is to be used. AD-3001512-01 Fig.24 Connector to be bridged...
  • Page 24 4 Preparation of installation Fig.27 Producer Tab.22 Producer Number Description Unknown / undefined producer Boiler with primary heating circuit (no pump) Boiler with primary heating circuit (internal pump) Boiler with primary heating circuit (external pump) Boiler with heating and domestic hot water (internal pump) Boiler with heating and domestic hot water (external pump) Boiler with primary and secondary heating circuit (internal pump)

  • Page 25: Symbols Used

    4 Preparation of installation Fig.29 Zones Tab.24 Zones Number Description Empty (no zone) Direct circuit Mixing circuit Swimming pool (direct) High temperature Fan convector (direct) Domestic hot water tank Domestic hot water tank (electrical) AD-3001530-02 Time program Process heat Domestic hot water tank (layered) Domestic hot water tank (internal) Underfloor heating (mixing) Heat interface unit...
  • Page 26 4 Preparation of installation Tab.28 Hydraulic components Symbol Explanation Symbol Explanation Mixing valve or diverter valve Valve, electronically actuated Plate heat exchanger Low loss header Pump Safety group Tab.29 Sensors and contacts Symbol Explanation Symbol Explanation Outdoor temperature sensor Temperature sensor Safety thermostat Electrical cable Tab.30...

  • Page 27: Installation Example H-01-01-02-01-00-02-01

    4 Preparation of installation 4.8.4 SCB-10 Installation example H-01-01-02-01-00-02-01 Tab.33 Hydraulic scheme Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 H 01 AD-3001435-01 AD-3001437-01 AD-3001437-01 AD-3001484-01 AD-3001475-01 AD-3001432-01 AD-3001464-02 AD-3001436-01 AD-3001433-01 AD-3001434-01 (1) 01: Boiler with primary heating circuit (no pump) (2) 01: Direct connection (3) 02: Mixing circuit (4) 01: Direct circuit...
  • Page 28 4 Preparation of installation Tab.35 Electrical connections to be bridged on CB-01, SCB-10, AD249 Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 CB-01 SCB-10 SCB-10 SCB-10 R-Bus AD249 (1) Bridge: These connectors must be bridged. Some bridges are already factory-fitted, some need to be fitted for this specific installation example.

  • Page 29: Installation Example H-03-05-13-13-13-00-00

    4 Preparation of installation 4.8.5 SCB-10 Installation example H-03-05-13-13-13-00-00 Tab.38 Hydraulic scheme Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 H 03 AD-3001430-01 AD-3001472-01 AD-3001470-01 AD-3001470-01 AD-3001470-01 AD-3001476-01 (1) 03: Boiler with primary heating circuit (external pump) (2) 05: Buffer tank with two sensors (3) 13: Heat interface unit (4) 13: Heat interface unit...
  • Page 30 4 Preparation of installation Tab.41 Parameters to be set Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 CU-GH06c SCB-10 SCB-10 SCB-10 SCB-10 SCB-10 SCB-10 AP102 = 0 BP001 = 2 CP020 = 0 CP021 = 0 CP023 = 0 CP022 = 0 CP024 = 0...

  • Page 31: Installation Example H-03-08-02-01-00-02-01

    4 Preparation of installation 4.8.6 SCB-10 Installation example H-03-08-02-01-00-02-01 Tab.43 Hydraulic scheme Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 H 03 AD-3001435-01 AD-3001437-01 AD-3001437-01 AD-3001430-01 AD-3001462-02 AD-3001432-01 AD-3001464-02 AD-3001436-01 AD-3001433-01 AD-3001434-01 (1) 03: Boiler with primary heating circuit (external pump) (2) 08: Low loss header with Tflow sensor (3) 02: Mixing circuit (4) 01: Direct circuit...
  • Page 32 4 Preparation of installation Tab.45 Electrical connections to be bridged on CB-01, SCB-10, AD249 Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 CB-01 SCB-10 SCB-10 SCB-10 R-Bus AD249 (1) Bridge: These connectors must be bridged. Some bridges are already factory-fitted, some need to be fitted for this specific installation example.

  • Page 33: Installation Example H-18-00-02-01-05-02-01

    4 Preparation of installation 4.8.7 SCB-10 Installation example H-18-00-02-01-05-02-01 Tab.48 Hydraulic scheme Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 H 18 AD-3001435-01 AD-3001437-01 AD-3001437-01 AD-3001485-01 AD-3001475-01 AD-3001432-01 AD-3001464-02 AD-3001471-01 AD-3001433-01 AD-3001434-01 (1) 18: Cascade of two boilers with primary heating circuit (no pump) + hydraulic valves (2) 00: Empty (no connection) (3) 02: Mixing circuit (4) 01: Direct circuit...
  • Page 34 4 Preparation of installation Tab.50 Electrical connections to be bridged on CB-01, SCB-10, AD249 Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 CB-01 (Master SCB-10 SCB-10 SCB-10 & Slave) R-Bus AD249 (1) Bridge: These connectors must be bridged. Some bridges are already factory-fitted, some need to be fitted for this specific installation example.

  • Page 35: Installation Example H-21-04-02-02-00-00-00

    4 Preparation of installation 4.8.8 SCB-10 Installation example H-21-04-02-02-00-00-00 Tab.53 Hydraulic scheme Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 H 21 AD-3001435-01 AD-3001473-01 AD-3001474-01 AD-3001432-01 AD-3001432-01 AD-3001476-01 (1) 21: Gas boiler and heat pump parallel connected (2) 04: Buffer tank with one sensor (3) 02: Mixing circuit (4) 02: Mixing circuit...
  • Page 36 4 Preparation of installation Tab.55 Electrical connections to be bridged on CB-01, SCB-10 Producer Connection CircA 1 CircB 1 CircC 1 DHW 1 AUX 1 CB-01 SCB-10 SCB-10 SCB-10 R-Bus R-Bus R-Bus (1) Bridge: These connectors must be bridged. Some bridges are already factory-fitted, some need to be fitted for this specific installation example.

  • Page 37: Installation

    5 Installation Installation Positioning the boiler Fig.32 Position of the adjustment bolts 1. Place the boiler in the right position using the transport wheels. 2. Loosen the adjustment bolts and ensure that the boiler is completely level. The figure also shows the support surface of the boiler (this is the position of the adjustment bolts).

  • Page 38: Hydraulic Connections

    5 Installation Hydraulic connections 5.2.1 Connecting the heating circuit Fig.33 Supply and return connections 1. Remove the dust cap on the central heating flow connection 2. Remove the dust cap on the central heating return connection 3. Fit the outlet pipe for CH water to the CH flow 4.

  • Page 39: Gas Connection

    5 Installation Gas connection Fig.35 Gas connection Warning Before starting work on the gas pipes, turn off the main gas tap. Before installing, check that the gas meter has sufficient capacity. Take into account the consumption of all appliances. Notify the local energy company if the gas meter has insufficient capacity.

  • Page 40: Electrical Connections

    Fig.39 Control panel housing The Gas 220 Ace boiler is supplied with a separate control panel. The control panel is fitted in the control panel housing. The cable behind the control panel with connector X021 must be slid onto the connector pin (5 pins, 24V) of the PCB.

  • Page 41: Installation Of The Connection Box

    5 Installation Fig.40 B Battery There is also a back-up battery on the PCB for the internal clock. Check the battery voltage if the date and time are not displayed clearly. X021 AD-0001300-01 5.6.3 Installation of the connection box Fig.41 Installing and connecting the The connection box contains the standard PCB CB-01 and the optional connection box...

  • Page 42: The Cb-01 Connection Pcb

    5 Installation 5.6.4 The CB-01 connection PCB Fig.42 Connection PCB CB-01 The CB-01 is placed in the control box. It provides easy access to all the standard connectors. S-Bus Pump 0-10 On/off Pump Tout AD-3000672-03 Connecting the system pump Fig.43 System pump 1.
  • Page 43 5 Installation Frost protection combined with outdoor sensor Fig.46 Outdoor sensor The central heating system can also be protected against frost in combination with an outdoor sensor. The radiator valve in the frost- sensitive room must be open. Tout 1. Connect the outdoor sensor to the terminals Tout of the connector. The frost protection works as follows with an outdoor sensor: At outside temperatures below -10 °C: the circulation pump switches on.

  • Page 44: Blocking Input

    5 Installation Important The start voltage depends on the relation between the fan speed range and the actual set maximum fan speed. An estimate of the start voltage can be calculated. Fig.50 Output regulation graph V Voltage P Boiler output 1 Minimum output 2 Maximum output 3 Reduced maximum output (example)

  • Page 45: Connecting A Mixing Valve

    5 Installation Control of 2 (mixing) zones Control of a third (mixing) zone via an optional PCB Control of one domestic hot water (DHW) zone Cascade layout Expansion PCBs are automatically recognised by the control unit of the boiler. If expansion PCBs are removed, the boiler will show an error code. To resolve this error, an auto-detect must be carried out after removal.

  • Page 46: Connecting The Pump With A Protection Thermostat

    5 Installation Fig.55 Mixing valve connectors Connect the mixing-way valve as follows: Earth N Neutral Open Close AD-4000002-01 Connecting the pump with a protection thermostat Connecting a pump with a protection thermostat, e.g. for underfloor heating. The maximum pump power consumption is 300 VA. Fig.56 Pump with protection thermostat Connect the pump and the protection thermostat as follows:...
  • Page 47 5 Installation Connecting room thermostats per zone Fig.59 R-bus connectors The SCB-10 is fitted with three R-Bus connectors. They can be used to connect room thermostats per zone. The R-bus connectors are related to the other zone-specific connectors on the SCB-10.The R-Bus connector supports the following types: R-Bus R-Bus R-Bus R-Bus thermostat (for example, the eTwist)

  • Page 48: Connecting A Pc/Laptop

    6 Before commissioning Caution If the calorifier tank does not have a TAS anode, connect the simulation anode (= accessory) 5.6.6 Connecting a PC/laptop Fig.64 Connecting an interface connector There is a Service connector next to the control panel. A Recom interface can be used to connect a PC, laptop or a Smart Service Tool here.

  • Page 49: Gas Circuit

    6 Before commissioning Danger The trap must always be sufficiently filled with water. This prevents flue gases from entering the room. Fig.65 Fill the condensate trap 1. Fill the trap with water up to the mark. 2. Push the trap firmly into the designated opening and connect the trap hose.

  • Page 50: Description Of The Home Screen

    6 Before commissioning 6.2.2 Description of the home screen This screen is shown automatically after start-up of the appliance. The control panel automatically enters standby mode (black screen) if the buttons are not used for 5 minutes. Press one of the buttons on the control panel to activate the screen again.
  • Page 51 6 Before commissioning Icon Description Information menu: read out various current values. System settings: system parameters can be configured. Error indicator. Gas boiler indicator. Domestic hot water tank is connected. The outdoor temperature sensor is connected. Boiler number in cascade system. The solar calorifier is on and its heat level is displayed.

  • Page 52: Commissioning

    7 Commissioning Commissioning Commissioning procedure Warning Initial commissioning must be done by a qualified installer. If adapting to another type of gas, e.g. propane, the boiler must be adjusted before it is switched it on. 1. Open the main gas tap. 2.
  • Page 53 Contact us for more information. Tab.66 Gas conversion restrictor for G30/G31 (butane/propane) Gas conversion restrictor for G30/G31 (butane/ Ø (mm) propane) AD-3000835-02 Gas 220 Ace 160 Gas 220 Ace 200 12.0 Gas 220 Ace 250 12.0 Gas 220 Ace 300 14.0 Tab.67...

  • Page 54: Checking And Setting The Gas/Air Ratio

    7 Commissioning Tab.70 Adjustment for BREEAM with gas type G30/G31 (butane/propane) Code Display text Description Adjustment range DP003 Abs max fan Maximum fan speed on Domestic 1000 - 8500 6850 5950 Hot Water GP007 Fan RPM Max Maximum fan speed during Central 1000 - 8500 6850 5950...
  • Page 55 7 Commissioning Tab.71 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 56: Checking/Setting Values For O 2 /Co 2 At Low Load

    2. Compare the measured value with the checking values in the table. Tab.75 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 57 Checking/setting values for O at low load for BREEAM with G20 (H gas) Values at low load for G20 (H gas) (1)(2) (3)(4) Gas 220 Ace 160 - 6.9 7.9 - 8.1 Gas 220 Ace 200 - 5.6 8.6 - 8.8 Gas 220 Ace 250 - 6.0...

  • Page 58: Final Instructions

    7 Commissioning Fig.75 Location of adjusting screw B 4. Use adjusting screw B to set the percentage of O to the nominal value, for the gas type being used. This must always be between the highest and lowest setting limit. Important The gas control valve differs per boiler type.

  • Page 59: Settings

    8 Settings Settings Introduction to parameter codes Fig.77 Code on a HMI T-control 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 60: List Of Parameters

    8 Settings Fig.81 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 61 8 Settings Code Display text Description Adjustment range Submenu 160 CP570 ZoneTime­ Time Program of the zone se­ 0 = Schedule 1 Prog Select lected by the user 1 = Schedule 2 2 = Schedule 3 CP660 Icon display Choice icon to display this 0 = None zone zone...
  • Page 62 8 Settings Code Display text Description Adjustment range Submenu 160 CP060 Room T holi­ Wished room zone tempera­ 5 - 20 °C ture on holiday period CP070 MaxReduce­ Max Room Temperature limit 5 - 30 °C dRoomT.Lim of the circuit in reduced mode, that allows switching to com­...
  • Page 63 8 Settings Code Display text Description Adjustment range Submenu 160 GP021 Temp diff Modulate back when delta 5 - 25 °C Commer­ Modulating temperature is larger than this cial boiler threshold GP022 Tfa Filter Tau Tau factor for average flow 0 - 255 Commer­...

  • Page 64: Maintenance

    9 Maintenance Code Display text Description Adjustment range Submenu 160 CP290 ConfigZone­ Configuration of Zone Pump 0 = Zone output PumpOut Output 1 = CH mode 2 = DHW mode 3 = Cooling mode 4 = Error report 5 = Burning 6 = Service flag 7 = System error 8 = DHW looping...

  • Page 65: Maintenance Message

    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 66: 10 Troubleshooting

    10.1 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 67: Warning

    10 Troubleshooting 10.1.2 Warning Tab.86 Warning codes Code Display text Description Solution A.00.32 TOutside Open Outside temperature sensor is either Outdoor 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 Sensor is not present.
  • Page 68 10 Troubleshooting Code Display text Description Solution A.10.34 SDhwTopZoneD Domestic Hot Water tank top tem­ Domestic hot water top temperature sensor Closed perature sensor Zone DHW Closed short-circuited: Bad connection: check the wiring and connec­ tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor A.10.45...

  • Page 69: Blocking

    10 Troubleshooting 10.1.3 Blocking Tab.87 Blocking codes Code Display text Description Solution H.00.36 T 2nd Return Open Second return temperature sensor is Second return temperature sensor open: either removed or measures a tem­ Bad connection: check the wiring and connec­ perature below range tors.
  • Page 70 10 Troubleshooting Code Display text Description Solution H.00.76 TcascadeFlow Open Cascade Flow temperature sensor is Cascade flow temperature sensor open: either removed or measures a tem­ Bad connection: check the wiring and connec­ perature below range tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Sensor is not present.
  • Page 71 10 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 72 10 Troubleshooting Code Display text Description Solution H.02.09 Partial block Partial blocking of the device recog­ Blocking input active or frost protection active: nized External cause: remove external cause Wrong parameter set: check the parameters Bad connection: check the connection H.02.10 Full Block Full blocking of the device recog­...
  • Page 73 10 Troubleshooting Code Display text Description Solution H.02.79 Appliance lost S Bus There is no appliance present on S-Bus connector devices missing: system bus (cascade). Bad connection: check the wiring and connec­ tors Incorrectly fitted connectors: check that the connectors has been correctly fitted End connectors (with resistor) are missing or badly connected: check wiring and connectors Check if connected devices are activated...
  • Page 74 10 Troubleshooting Code Display text Description Solution H.10.04 TSwimmPoolZoneA Swimming Pool Temperature Sen­ Swimming pool temperature sensor A open: Open sor Zone A Open Bad connection: check the wiring and connec­ tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Sensor is not present.
  • Page 75 10 Troubleshooting Code Display text Description Solution H.10.18 T Flow Zone C Open Flow temperature sensor Zone C Flow temperature sensor zone C open: Open Bad connection: check the wiring and connec­ tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Sensor is not present.
  • Page 76 10 Troubleshooting Code Display text Description Solution H.10.29 Sensor Zone DHW Temperature sensor Zone DHW Domestic hot water temperature sensor zone open open DHW open: Bad connection: check the wiring and connec­ tors Incorrectly fitted sensor: check that the sensor has been correctly fitted Sensor is not present.

  • Page 77: Locking Codes

    10 Troubleshooting 10.1.4 Locking codes Tab.88 Locking codes Code Display text Description Solution E.00.00 TFlow Open Flow temperature sensor is either Zone flow temperature sensor open: removed or measures a temperature Sensor is not present. below range Wrong Zone Function setting: check the setting of parameter CP02x.
  • Page 78 10 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 79 10 Troubleshooting Code Display text Description Solution E.04.03 Max Flow temp Measured flow temperature above No flow or insufficient flow: savety limit Check the circulation (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger E.04.06 Max Flue temp Measured flue temperature above limit...

  • Page 80: Error History

    10 Troubleshooting Code Display text Description Solution E.04.13 Fan speed has exceeded normal op­ Fan fault: erating range Bad connection: check the wiring and connec­ tors. Fan operates when it should not be operating: check for excessive chimney draught Faulty fan: replace the fan E.04.14 Combustion Error The burner temperature and setpoint...

  • Page 81: 11 User Instructions

    11 User instructions Fig.86 Error details 3. Select the error code you want to investigate. The display shows an explanation of the error code and several ....22/02/2018 11:20 ... details of the appliance when the error occurred. Error Code: A.00.00 4.

  • Page 82: Activating Holiday Programs For All Zones

    11 User instructions Tab.89 Selectable tiles for the user Tile Menu Function Information menu. Read out various current values. Error indicator. Read out details about the current error. With some errors the icon will appear with installer contact details (when filled in).

  • Page 83: Changing The Heating Temperature Of A Zone

    11 User instructions Tab.91 Extended menu to configure a heating circuit Zone configuration Menu Function Short temperature change Change the room temperature temporarily, if required. OperatingZoneMode Select the heating operating mode: Scheduling, Manual. Manu ZoneRoomTempSet Set the room temperature manually to a fixed setting. Holiday Mode Set the start and end date of your holiday and the reduced temperature for this zone.

  • Page 84: Changing The Operating Mode Of A Zone

    11 User instructions 4.1. Use the top row to change between capitalization, numbers, symbols or special characters. Fig.90 Letter selection 4.2. Select a character or action. 4.3. Select to delete a character. 11:20 ....: ....4.4.

  • Page 85: Definition Of Activity

    11 User instructions 3. Select the timer program you want to modify: Schedule 1, Schedule 2 or Schedule 3. Activities scheduled for Monday are displayed. The last scheduled activity of a day is active until the first activity of the next day. At initial start-up, all weekdays have two standard activities;...

  • Page 86: Activating A Timer Program

    11 User instructions 3. Select Set Heating Activity Names. A list of 6 activities and their standard names is shown: Activity 1 Sleep Activity 2 Home Activity 3 Away Activity 4 Morning Activity 5 Evening Activity 6 Custom 4. Select an activity. A keyboard with letters, numbers and symbols is shown.

  • Page 87: Changing The Room Temperature Temporarily

    11 User instructions 11.6.6 Changing the room temperature temporarily Regardless of the operating mode selected for a zone, it is possible to change the room temperature for a short period. After this period has elapsed, the selected operating mode resumes. Select zone >...

  • Page 88: Time Program To Control The Dhw Temperature

    11 User instructions 3. Select the desired operating mode: Tab.97 Operating modes Icon Mode Description Scheduling The domestic hot water temperature is controlled by a timer program Manual The domestic hot water temperature is set to a fixed setting Hot water boost The domestic hot water temperature is increased temporarily Holiday The domestic hot water temperature is reduced during your holiday to save...

  • Page 89: Changing The Comfort And Reduced Hot Water Temperature

    11 User instructions 4. Select the DHW timer program Schedule 1, Schedule 2 or Schedule 11.7.4 Changing the comfort and reduced hot water temperature You can change the comfort and reduced hot water temperature for the time program. > Domestic Hot Water Setpoints Use the rotary knob to navigate.

  • Page 90: Switching The Summer Mode On Or Off

    11 User instructions 3. Select the following setting: Off to switch off the central heating function. On to switch on the central heating function. Caution Frost protection is not available when the central heating function is switched off. 11.9 Switching the summer mode on or off You can use summer mode to switch off the central heating function.

  • Page 91: 11.12 Reading The Installer's Name And Phone Number

    11 User instructions 3. Perform one of the operations described in the table below: Tab.98 Control panel settings System Settings menu Settings Set Date and Time Set the current date and time Select Country and Language Select your country and language Daylight Saving Time Enable or disable daylight saving time.

  • Page 92: 11.15 Cleaning The Casing

    (2) When installing a boiler with connection type B , the IP rating of the boiler is lowered to IP20. 12.1.2 BREEAM compliance The Gas 220 Ace complies with the BREEAM emission requirements. In order to meet these requirements, some boiler parameter values need to be changed. Important Refer to the chapter for the boiler’s BREEAM settings.

  • Page 93: Electrical Diagram

    12 Technical specifications 12.2 Electrical diagram Fig.97 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 94: Dimensions And Connections

    Gas 220 Ace ; R 1 inch male thread Gas 220 Ace 200 - 250 - 300; Ø 200 mm Connecting the air supply; Gas 220 Ace 200 - 250 - 300; R 1½ inch male thread Flow connection; Gas 220 Ace ; Ø 150 mm Gas 220 Ace ;...

  • Page 95: Technical Data

    Gas 220 Ace 200 - 250 - 300;R 2 inch male thread Gas 220 Ace ; R 1¼ inch male thread Central heating return connection; Gas 220 Ace 200 - 250 - 300; R 2 inch male thread Gas 220 Ace ; R 1¼ inch male thread Siphon connection Gas 220 Ace 200 - 250 - 300;...
  • Page 96 12 Technical specifications Tab.103 Central heating circuit data Gas 220 Ace Water content 17.0 33.0 33.0 33.0 Water operating pressure Water operating pressure (PMS) Water temperature °C 110.0 110.0 110.0 110.0 Operating temperature °C 90.0 90.0 90.0 90.0 Hydraulic resistance (ΔT=20K) mbar Tab.104 Electrical data...

  • Page 97: 13 Appendix

    13 Appendix 13.1 ErP information 13.1.1 Product fiche Tab.107 Product fiche Remeha - Gas 220 Ace Seasonal space heating energy efficiency class Rated heat output (Prated or Psup) Seasonal space heating energy efficiency Annual energy consumption Sound power level L...
  • Page 98 13 Appendix 7799799 - v.04 - 11072024...
  • Page 99 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 100 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 7799799 - v.04 - 11072024 7799799...

This manual is also suitable for:

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

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