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Operating Manual
for authorised specialist
EURON 12 / 18 / 24 / 30 HG
EURON 24 / 30 HSG

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Summary of Contents for elco EURON HG 12

  • Page 1 Operating Manual for authorised specialist EURON 12 / 18 / 24 / 30 HG EURON 24 / 30 HSG...
  • Page 2: Table Of Contents

    Contents Contents ........General Information .
  • Page 3: General Information

    General Information, Regulations Conditions of warranty General Information Regulations for Austria the following also apply: Installation, assembly, electrical For safe, environmentally sustainable ÖVGW TR Gas (G1) connection and first commissioning and energy saving operation, observe ÖVGW TR Liquid gas (G2) are the responsibility of an authorised the following standards: ÖNORM H 5152...
  • Page 4 Heating circuit water quality Heating circuit water quality Unidentified water quality and The composition and quality of the replacement equipment system water have a direct influence on Frequently solids and additives are the performance of the whole system found in the heating circuit water, and the life of the boiler.
  • Page 5 Product description Overview EURON HS/HSG EURON HG 18/24/30 EURON HG 12 Legend Air intake openings Collecting pipe air intake/flue gas connection Manual bleed valve Flue gas discharge connection Burner Stainless steel heat exchanger Condensation drain hose NTC Flow sensor NTC Return sensor...
  • Page 6 Product Description Technical Data HG 12 HG 18 HG 24 HG 30 Rated heat capacity at 80° / 60°C 2,9-11,3 4,5-17,7 5,8-22,8 6,9-28,1 Rated heat capacity at 50° / 30°C 3,1-11,9 4,7-18,5 6,1-23,6 7,2-29,2 Rated heat load 3,0-11,5 4,6-18,0 6,0-23,0 7,1-28,5 Normal supply level 75°...
  • Page 7 Product Description Technical Data HSG 24 Combi HSG 30 Combi Rated heat capacity at 80° / 60°C 5,8-22,8 6,9-28,1 Rated heat capacity at 50° / 30°C 6,1-23,6 7,2-29,2 Rated heat load 6,0-23,0 7,1-28,5 Normal supply level 75° / 60°C 107,2 107,1 Normal supply level 40°...
  • Page 8: Dimensions

    Product description Dimensions EURON12 / 18 / 24 HG EURON 30 HG only for Belgium Legend Supply 3/4" Gas intake 3/4" Return 3/4" Condensation discharge 28 mm Siphon (*) Water connection (**) Gas connection EURON 24 HSG Combi EURON 30 HSG Combi only for Belgium Legend Supply 3/4"...
  • Page 9 Installation Minimum clearances Minimum clearances For servicing of heating appliance the minimum clearances specified in the diagram must be observed. Wall mounting * with fitted expansion tank Mount the heating appliance with the aid of the positioning device and a spirit level*.
  • Page 10: Connections

    Installation Connections Gas connection Ensure by means of the name plates Water connection to be found on the packaging and the The heating appliance is designed to All connections for water and gas are appliance that the heating appliance is belong to the following categories for evident from the illustration (page 8).
  • Page 11 Installation Hydraulic diagrams EURON HG / HSG EURON HG Legend Manual bleed valve Stainless steel heat exchanger Burner Collector hose for mixing air/gas Modulating ventilator Düse/injector/duct? Gas valve NTC-Appliance supply sensor Motor of 3-way valve 10 3-way valve 11 Minimum pressure monitor 12 NTC-Service water sensor 13 Service water plate heat exchanger...
  • Page 12 Installation Circulation pump Remaining conveyor height level of the circulation pump at pump stages 2 + 3 Legend 30 HSG/HG 18/24 HSG/HG 12 HG V2 2. Pump stages only for Belgium V3 3. Pump stages Through flow (mbar) (mbar) (mbar) (mbar) (mbar) (mbar)
  • Page 13 Installation Electrical connections General Information For connection of the heating appliance, use the earth cable Electrical installation and connection (yellow/green), which is longer than work are carried out exclusively by the the supply wires (see illustration). specialist electrician. The VDE /ÖVE /SEV - and EVU instructions and regulations must be observed.
  • Page 14 Installation Electrical connections...
  • Page 15: General

    Sleeves/bushes occurs between supply air and flue gas. For concentric air/flue gas routing only must always be arranged against the original ELCO Klöckner accessory direction of flow of the condensate. Hose extensions must only be partsmust be used.
  • Page 16: Air/Flue Gas Routing

    For each 90° change of alignment 1,5 air/flue gas systems the use of connection to a concentric air/flue gas m of the total hose length must be original accessory parts by ELCO- system. deducted. Klöckner is recommended. Connection of the heating appliance...
  • Page 17: Air/Flue Gas Routing

    Installation Air/flue gas routing Conducting variants Combustion air issued to the environment, ø 80 PPS Flue gas connection in flue, intake of air from the environment. End piece of flue gas connection via roof. Combustion air issued to the environment, ø 80/125 PPS/Alu Flue gas connection in flue, intake of air from the environment End piece of flue gas connection via roof Compartment air-independent, D 80/125 PPS/Alu white...
  • Page 18: Flue Gas Connection Ø 80 Pps

    Installation Flue gas connection ø 80 PPS Combustion air issued to the environment Flue gas routing via roof Basic kit Description T-Connection with 87,5°, with covering Hose with sleeves 0,5 m Assembly instructions 7 m vertical hose kit consisting of: - bracket - Connecting elbow with 87,5°...
  • Page 19: Flue Gas Connection Ø 125/80 Pps

    Installation Flue gas connection ø 125/80 PPS Combustion air issued to the environment Flue gas routing via roof Basic kit Description Flue gas connection for B23 T-connection with 87,5°, with covering Hose with sleeve Assembly instructions 7 m vertical hose kit consisting of: -Connection base -Connecting elbow with 87,5°...
  • Page 20: Concentric Flue Gas System Ø 125/80 Pps/Alu

    Installation Concentric flue gas system ø 125/80 PPS/Alu C13x Burner circuit completely insulated from installation environment and surrounded by combustion air. Flue gas connection and air intake via external wall in the same pressure range. Basic kit Description T-Connection with covering 87,5° Hose 0,5 m Connections for exterior wall 2 Clamps...
  • Page 21: Concentric Air/Flue Gas System Ø 125/80 Pps/Alu

    Installation Concentric air/flue gas system ø 125/80 PPS/Alu C33x Burner circuit completely insulated from installation environment and surrouned by combustion air. Flue gas connection and air intake in the same pressure range. Flue gas routing via roof Basic kit Pos. Description IT-Connection with covering 87,5°...
  • Page 22 Installation Concentric air/flue gas system ø 125/80 PPS/Alu C33x Burner circuit completely insulated from installation environment and surrouned by combustion air. Flue gas connection and air intake in the same pressure range. Flue gas routing via roof Basic kit Pos. Description Inspection connection with covering...
  • Page 23 Installation Equiipment for flue gas connection ø 125/80 PPS C43x Burner circuit completely insulated from installation environment and surrounded by combustion air. Flue gas connection and air intake in the same pressure range. Air intake and flue gas routing via a system of flues integrated into the construction.
  • Page 24 Installation Equipment for flue gas connection ø 80/125 PPS C53x Burner circuit completely insulated from installation environment and surrounded by combustion air. Flue gas connection and air intake in open air in different pressure ranges. Flue gas routing via roof. These solutions are supplied on request.
  • Page 25 Installation Equipment for flue gas connection ø 80/125 PPS C83x Burner circuit completely insulated from installation environment and surrounded by combustion air. Air intake outside building and flue gas routing into flue These solutions are supplied on request. When connecting heating appliance and flue, condensate-resistant products must be used.
  • Page 26: Connection Of Separate Service Water Tank

    Installation Connection of separate service water tanks Service water tank Technische Daten The heating appliance is equipped V120 C.RM 120 l with a kit for assembly and operation, Tank capacity V150 C.RM 150 l which is necessary for the preparation Appropriate operating pressure hot water 10 bar of hot service water by means of a...
  • Page 27: Preparation For Operation

    Commissioning Preparation for operation General Ensure that: Check the flue gas system. To ensure the safety and correct the closure of the automatic bleed Ensure that any necessary room Operation of the heating appliance valve on the circulation pump is ventilation openings are open commissioning is to be carried out by loosened.
  • Page 28 Commissioning Preparation for operation Legend Display LED (green) Burner operation LED (red) Alarm appliance lock LED (green) flow temperature readout on display LED (green) operating phase/diagnosis of heating appliance Reset key Display adjustment key Flue cleaner function key Summer/winter/automatic operation key 10 Adjusting knob on/off 11 Switch for adjustment of service water temperature...
  • Page 29 Commissioning Preparation for operation Display readout Heating appliance lock Use of flue cleaner key During operation the digital display If a malfunction "3" occurs the The flue cleaner key "8" is only used shows the flow temperature of the appliance switches to stop for safety by the specialist responsible for heating appliance and illuminates LED reasons, the fault is displayed by...
  • Page 30: Operation With Service Water Tank

    Commissioning Operation with service water tank Operation with service water tank After hydraulic and electric connection of service water tank to heating appliance the following parameters must be set up via the remote control QAA 73. Setting with QAA 73 Setting QAA 73 Parameter Function...
  • Page 31: Parameter Adjustment To Control Unit Qaa73

    Commissioning Parameter adjustment on control unit QAA73 Prerequisites for control unit QAA73 function on EURON control choose operating type "winter" via function key "Test mode". Legend Program key Down Program key Up Minus Key Adjustment Plus Key Adjustment Service water standby Key LCD Display Heating circuit standby key Parameter Code...
  • Page 32: Preparation For Commissioning

    Commissioning Preparation for commissioning Before each intervention, switch off Unscrew the four fixing screws under Unscrew the four fixingpower supply the housing. to heating appliance screws under the housing.and shut gas tap. To gain access to the inner parts, do the following: Open the release lever in Upper part of housing.
  • Page 33 Commissioning Flue gas quantities and adjustment Flue gas measurement and For underfloor heating with steel panel adjustment radiators, to avoid a supply of the For carrying out flue gas measurement heatingcircuit with hot water, the heat and adjustment the flue cleaner key in the service water circuit must be "8"...
  • Page 34 Commissioning Flue gas quantity and adjustment (not applicable in Belgium) Maximum output Flue gas measuring and adjustment Switch heating appliance operation to maximum output, while keeping flue cleaner key "8" pressed, until the red LED "3" starts to flash (double flash). The display shows alternately the figures 1 and 00.
  • Page 35 Commissioning Flue gas quantity and adjustment (not applicable in Belgium) Minimum output Switch heating appliance operation to To set the heating appliance operation Wait until the heating appliance maximum output, while keeping flue at minimum load, turn the adjusting stabilises and then carry out the flue cleaner key "8"...
  • Page 36 Commissioning Flue gas quantities and adjustment Setting for maximum heat output The maximum heat output can be set between the highest and lowest values ppropriate for the appliance. When set in the factory, the appliance is set at the highest value.
  • Page 37: Safety Check Of Heating Appliance

    Commissioning Safety check of heating appliance Monitoring of the safety device Protection system of heating of the heating appliance appliance Checking the safety devices in the The heating appliance is protected heating appliance is done with the aid from operating faults by internal of the flue cleaner key "8".
  • Page 38: Parameters

    Commissioning Parameters Reading parameters only The only accessible reading parameters are the following: Reading of the heating appliance parameters is done by means of the A0 Current fault readouts SELECT "7" key A1 Heating appliance flow temperature reading (°C). • Keep the key pressed until [ ]"...
  • Page 39 Commissioning Gas changeover (not applicable in Belgium) The heating appliance can be changed over by the authorised specialist from natural gas (G20) to operation with G25 or liquid gas (G30 and G31) or vice versa. For this, the following measures must be taken: Changeover from natural gas to Connect the appliance to the liquid gas...
  • Page 40 Commissioning Gas changeover (not applicable in Belgium) Chart for gas changeover Output Gas type Screen for gas Screen for air G20/G25 Natural gas H/LL ø 5,5 mm None 12 HG G31 /Propane ø 4,6 mm 35/8mm G30 Butane ø 4,6 mm 35/8mm G20/G25 Natural gas H/LL None...
  • Page 41 Commissioning Gas changeover (not applicable in Belgium) Chart for gas changeover G20/G25 G30/G31 Natural Natural Natural Butane/ Butane Propane Propane H/LL Lower Wobbe index 45,67 37,38 80,58 70,69 (15 °C, 1013 mbar) (MJ/m Consumption max. 1,22 1,22 1,41 0,91 0,91 0,89 (15 °C, 1013 mbar) (Natural gas = m...
  • Page 42: Monitoring And Checks

    Service and maintenance Monitoring and checking Maintenance is fundamentally The manufacturer is not liable for important for the safety, correct damage to the appliance or the operation and long life of the equipment caused by use of heating appliance. It must be unsuitable antifreeze or additives carried out according to the regulations in force.
  • Page 43 Service and maintenance Monitoring and checking General remarks Cleaning of stainless steel heat Function checking exchangers At least once a year the appliance After completing the maintenance should undergo the following Cleaning of flue gas area. work fill the heating circuit with a monitoring: To gain access to the stainless steel pressure of around 1,0 bar and bleed...
  • Page 44 Service and Maintenance Malfunction indication Locking Display Internal Code (b0) Cause EEPROM failure Hardware failure of electronic circuit board Activation of thermostats for underfloor heating Locking because of over heating Activation of flue gas sensor Locking because of gas failure Internal locking of circuit board Flame at atart of reset phase Failure in programming...
  • Page 45 Service and Maintenance Malfunction indication Information code Display Internal Code (b0) Cause Short circuit in external/ambient sensor External/ambient sensor circuit open Remote control or room temperature sensor signal distrubed Connection of an incompatible remote control or time switch Failure of electronic hardware Flame attend of safety period not detected Extinguishing of flame during operation Flue cleaner function active...
  • Page 46 Maintenance and Service Removing appliance cover Bringing appliance into service position Maintenance and cleaning are Prior to maintenance work, the Maintenance works should be carried carried out exclusively by the appliance must be disconnected out once a year. Cleaning of the heat authorized specialist.
  • Page 47: Dismantling Burner And Heat Exchanger

    Maintenance and Service Dismantling burner and heat exchanger Dismantling Rundbrenner/round burner? • Undo electric plug connections • Disconnect the fitting (1) of the collection hose (2) • Pull out ionisation electrode (4) and ignition electrode (5) after loosening fixing screws •...
  • Page 48 Service manual Maintenance and cleaning are Maintenance works should be carried carried out exclusively by the out once a year. Cleaning of the heat authorized specialist. He/she has exchanger can be dispensed with with responsibility for its appropriate little pollution, but must be done at execution.
  • Page 49 Explanation of name plate Legend: Model - heating appliance code Serial number – Licence number. Pre-set gas type Efficiency Heat load max. - min. Heat output max. - min.
  • Page 50 Notes...
  • Page 51 Notes...
  • Page 52 B O I L E R S B O I L E R S B O I L E R S ELCO heating solutions. Exclusively from MHS Boilers 3 Juniper West, Fenton Way Southfields Business Park Basildon, Essex SS15 6SJ...

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