Intergas Combi Compact HRE 24/18 Installation, Service And User Instructions Manual
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Intergas Combi Compact HRE 24/18 Installation, Service And User Instructions Manual

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Summary of Contents for Intergas Combi Compact HRE 24/18

  • Page 1 &RPEL &RPSDFW +5(  *&  +5(  *&  +5(  *&  +5(  *&  ,QVWDOODWLRQ VHUYLFH DQG XVHU LQVWUXFWLRQV Please read these installation instructions carefully before installing and using the appliance. Keep these installation instructions with the appliance. Always act in accordance with the instructions indicated.

  • Page 2: Table Of Contents

    Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by competent persons and that it meets the requirements of the appropriate Building Regulations. The Benchmark Checklist can be used to demonstrate compliance with Building Regulations and should be provided to the customer for future reference.
  • Page 3 © 2015 Intergas Heating Ltd. All rights reserved. The information provided applies to the standard version of the product. Intergas Heating Ltd cannot therefore be held liable for any loss or damage arising from product specifications deviating from the standard version. The available information has been compiled with all possible care, but Intergas Heating Ltd cannot be held liable for any errors in the information or for the consequences thereof.

  • Page 4: Preface

    • Electromagnetic Compatibility Directive 2004/108/EC • Intergas declares that the materials used in the manufacturing of this appliance are non- hazardous and that no substances harmful to health are contained within the appliance. 1.2 Warnings Intergas accepts no responsibility for the unsatisfactory performance of the appliance or flue arising from the failure to comply with the installation and user instructions.

  • Page 5: Abbreviations And Descriptions Used

    1.6 Abbreviations and descriptions used Description Referred to as High efficiency Intergas Combi Compact HRE wall mounted gas fired Appliance boiler Appliance plus pipe work for central heating CH installation Appliance plus pipe work for domestic hot water DHW installation 1.7 This manual...

  • Page 6: Safety Regulations

    The manufacturer Intergas Heating Ltd accepts no liability whatsoever for damage or injury caused by failure to adhere (strictly) to the safety regulations and instructions, or carelessness during installation of the Intergas Combi Compact HRE High Efficiency wall mounted gas fired boiler and any associated accessories.

  • Page 7: Technical Data

    2.4 Technical data Appliance category C13; C33; C43; C53; C83 Gas supply pressure 20 mbar -G20 ; 37 mbar – G31 Gas Category II2H3P Technical data Combi Compact HRE 24/18 28/24 36/30 36/40 Gas Council number G.C. 47-291-01 G.C. 47-291-02 G.C.

  • Page 8: Technical Product Fiche According To Celex-32013R0811, Annex Iv

    2.5 Technical Product Fiche according to CELEX-32013R0811, ANNEX IV Supplier Intergas Heating Ltd Building 94, Bay 1 Vantage Point The Pensnett Estate Kingswinford West Midlands DY6 7FS Type designation Symbol Unit Combi Compact HRE 24/18 28/24 36/30 36/40 Seasonal space heating energy...

  • Page 9: Components

    2.6 Components 03010092 A CH pump Air supply cap (not te be removed) B Gas valve Flue pipe adapter (only to be used in combination with the accompanying elbow in flue sets). C Boiler controller Connection block / terminal strip X4 D Sensor S1 Condensate drain pan E Sensor S2...

  • Page 10: General Boiler Information

    3 GENERAL BOILER INFORMATION 3.1 General The Intergas Combi Compact HRE wall mounted, gas fired boiler is a closed appliance. The appliance is designed to transfer heat to the water circuit in a CH system and the DHW installation. The air supply and combustion gas flue connection is as standard prepared for a concentric 60/100 horizontal flue system.

  • Page 11: Operation

    4 OPERATION 4.1 General The Intergas Combi Compact HRE wall mounted, gas fired boiler is a modulating high efficiency boiler. This means that the power is adjusted in line with the desired heat requirement. The aluminium heat exchanger comprises of two separate copper circuits.
  • Page 12 3XPS RYHUUXQ RI &+ After the end of CH operation the pump continues to run. The running time is factory set at the value in accordance with § 10.3. This setting can be changed. In addition, the pump runs automatically for 10 seconds once every 24 hours in order to prevent seizing.

  • Page 13: Clock Function

    The boiler controller is equipped with an interface for a PC, which can be connected by means of a special cable and associated Intergas Diagnostic Software (IDS). This facility allows the behaviour of the boiler controller, the appliance and the heating installation to be monitored over a longer period.

  • Page 14: Frost Protection

    4.8 Frost protection FROST PROTECTION To prevent freezing the appliance is equipped with an internal frost protection. If the heat exchanger temperature falls too low, the burner switches on and the pump runs until the heat exchanger temperature is sufficient. When the appliance frost protection is activated the symbol code 7 7 7 7 is displayed (pre heating the heat exchanger).

  • Page 15: Installer Important Points

    If you experience any problems please refer to the installation and commissioning • guidelines within the boiler instruction manual. If necessary, please contact Intergas Heating Ltd (See § 1.8). Remember it is a requirement to complete the Benchmark code of practice logbook before leaving the installation.

  • Page 16: Accessories

    6 ACCESSORIES Description Article number Pipe cover set (incl. mounting material) 093217 Outside sensor 203207 Wall mounting jig + exp. vessel 8 litres HRE 36/30 and HRE 36/40 093207 Wall mounting jig + exp. vessel 8 litres HRE 28/24 093197 093187 Wall mounting jig + exp.
  • Page 17 Description Article number Vertical roof terminal 082973 (incl. boiler adapter 60/100) Plume management kit 081294 081284 Elbow 90° (for plume management kit) 081285 Elbow 60° (for plume management kit) Extension L = 100 incl. wall bracket (for plume management kit) 081286 090000 Robo kit 12 litres...

  • Page 18: Installation

    Return CH Ø22 Ø22 Cold tap water Ø15 Ø15 Condensate drain Ø25 (flexible) Drain PRV Ø15 Combi Compact HRE 36/30 & HRE 36/40 Combi Compact HRE 28/24 Combi Compact HRE 24/18 Flue pipe / air Ø60/100 (concentric) supply ,QWHUJDV +HDWLQJ /WG...

  • Page 19: Installation Location

    7.2 Installation location If the boiler is to be installed in any room or compartment, it does not require any • purpose made ventilation for combustion air. If sited in a room containing a bath or shower then particular reference is drawn to the current I.E.E. Wiring Regulations, local Building Regulations or any other local regulations currently in service.

  • Page 20: Assembly

    Do not turn tightened valves on pipes as this weakens joints within the boiler. Combi Compact HRE 36/30 Combi Compact HRE 28/24 Combi Compact HRE 24/18 7.3.2 Using the fixing strip + ROBO kit. Position the fixing strip to the wall and drill the holes.

  • Page 21: Installing The Appliance

    7.4 Installing the appliance Unpack the appliance. Check the contents of the packaging. It consists of: • Appliance (A) • Wall mounting strip (B) • Condensate trap (C) • Installation and operation instructions and warranty card • Templates for either wall or jig mounting Check the appliance for possible damage: report damage immediately to the supplier.

  • Page 22: Connection

    8 CONNECTION 8.1 Connecting CH installation Flush the CH system thoroughly (please refer to current Standard Codes of Practice). Fit the flow and return pipes to the isolation valves. All pipes must be fitted unstressed in order to prevent the pipes from ticking. Existing connections must not be twisted, in order to avoid leakages.

  • Page 23: Connecting Dhw Installation

    C = Combi Compact HRE 36/30 & Combi Compact HRE 36/40 Litres per minute (*) The Combi Compact HRE 24/18 is equiped with a flow restrictor of 8 litres. When a DHW flow above 8 liters is required this flow restrictor has te be removed and replaced by a flow restrictor replacement ring 8.2.3...

  • Page 24: Electrical Connection

    8.3 Electrical connection CAUTION A fused spur or an unswitched socket must be located no more than 1 metre from the appliance. For installation in damp rooms a fixed connection is obligatory. When working on the electrical circuit always isolate the electric supply.
  • Page 25 8.3.2 On / off room thermostat (low voltage) To be connected to contacts 6 and 7 of connector X4. This is a 24 volt connection and no mains power must be applied to these terminals. See chapter 13, electrical diagram. Note When a 24 volt thermostat is connected to contacts 6 and 7, the loop in 6 –...

  • Page 26: Condensate Disposal

    8.4 Condensate disposal The appliance is provided with a 25 mm flexible pipe from its condensate trap. Connect the flexible tube from the condensate trap to the drain via an open connection. CAUTION Always fill the condensate trap with water and place it on the boiler before powering up the boiler.

  • Page 27: Flue System

    6 Accessories. Note Only use approved Intergas flue products with this boiler, which can be sourced from the supplier of your boiler or Intergas stockist. The standard horizontal flue pipe is not supplied with the boiler and should be purchased separately from your supplier.
  • Page 28 The vertical flue system contains a flue adapter concentric 60/100 to replace the standard adapter on the boiler. Please note that the terminal is suitable for a flat or pitched roof and only approved Intergas flue products can be used with this boiler.
  • Page 29 8.5.6 Plume management kit The plume management kit comprises of a 710 mm horizontal section with elbow to connect the 1m vertical condensing tube, which has a horizontal or vertical terminal dependant on your requirements. The maximum length of horizontal flue including the terminal but excluding the initial elbow from the boiler and 1 metre vertical condensing tube is 7 metre.

  • Page 30: Commissioning The Appliance

    9 COMMISSIONING THE APPLIANCE At the time of commissioning, complete all relevant sections of the Benchmark Checklist located in section 17 of this document. 9.1 Filling and venting the appliance and the installation 9.1.1 CH system CAUTION When an additive is added to the CH water, ensure it is suitable for the materials used in the appliance, such as copper, brass, stainless steel, steel, plastic and rubber.
  • Page 31 9.1.4 Combustion The combustion for this appliance has been checked, adjusted and preset at the factory for operation on the gas type defined on the appliance data plate. Do not adjust the air/gas ratio valve. Having checked: That the boiler has been installed in accordance with these instructions; •...

  • Page 32: Commissioning The Appliance

    9.2 Commissioning the appliance Read-out Operation On / off On / Off button CH operation or setting maximum CH temperature DHW / CH button, for setting desired temperature DHW operation or setting DHW temperature - button Desired temperature of CH or DHW in °C / Ch water pressure (bar) / Fault code/ Time + button Clock “on”...

  • Page 33: Setting And Adjusting The Clock Functions

    9.3 Setting and adjusting the clock functions 9.3.1 Setting the clock Press the button for less than 1 second and repeat this untill ‘’24hr clock’’ • appears. For adjusting the clock to the correct time press the [+] or [-] button. Note: Holding the button for more than 1 second will make the clock run fast.

  • Page 34: Setting And Adjustment

    10 SETTING AND ADJUSTMENT The functioning of the appliance is determined primarily by the (parameter) settings in the boiler controller. Part of this can be set directly via the operating panel; another part can only be adjusted using the installer code. 10.1 Directly via the operating panel The following functions can be operated directly: 10.1.1...

  • Page 35: Setting Via The Service Code

    10.2 Setting via the service code The boiler controller in the appliance is factory set in accordance with the parameters. These parameters can only be changed using the service code. Proceed as follows to activate the program memory: Press the keys simultaneously until a appears on the service- and main display.

  • Page 36: Enable/Disable Keep Hot Facility By Open Therm Room Thermostat

    CH temp.) Ref.value DHW 0 = Combi Compact HRE equipped with flow switch. 24 = Combi Compact HRE 24/18 30 = Combi Compact HRE 28/24 36 = Combi Compact HRE 36/30 and 36/40 Summer mode...

  • Page 37: Setting Maximum Ch Power

    22,8 26,3 1150 40,9 Appliance pressure loss graph, CH side :,/2 <RQRV 3DUD  Combi Compact HRE 24/18 100% Combi Compact HRE 28/24 Combi Compact HRE 36/30 Combi Compact HRE 36/40 Flow in l/h Pressure loss / water head in mH...

  • Page 38: Gas-Air Ratio Control

    10.8 Gas-Air ratio control The gas air ration control of the boiler is set to the correct value in the factory and does not need to be adjusted. The gas type of the boiler on which the boiler has been set is noted on the data plate. The boiler is only to be used in combination with this gas type.

  • Page 39: Checking The Gas Air Ratio Control

    10.9 Checking the gas air ratio control 10.9.1 Checking flue gas at maximum power. Switch the appliance off with the button . [-] will appear in service display. Remove the front panel by untightening the 2 screws. Remove the cap X of the flue gas sampling point on the adapter. Position the measuring probe or the flue gas analyser into the sampling point.
  • Page 40 10.9.2 Checking flue gas at minimum output Before measuring the flue gasses at minimum output the measurement of the maximum output must be completed. The measured O or CO value at maximum output is important for determining the correct value for the measurement at minimum output. See §...
  • Page 41 10.9.3 Correction gas air ratio on minimum power Before the correction of the gas air ratio on minimum output the measurement of the maximum output must be completed. The measured O or CO value at maximum output is important for determining the correct value for the measurement at minimum output.
  • Page 42 Tabel 5a: Determining the correct setting of CO at minimum output for natural gas G20 (open casing) Natural gas G20 (20 mBar) Measured value am maximim power Prescribed value at minimum power (See § 10.9.1) (= 0.5 x CO (H) + 4.2) (H) [%] (L) [%] 9.0 ±0.1...

  • Page 43: Conversion To Different Gas Type

    When the CO percentage at high setting is not within the prescribed tolerance band please contact Intergas Heating. For adjusting CO percentage at low setting see § 10.9.2. Place a sticker for the gas type set over the existing sticker next to the gas valve.

  • Page 44: Faults

    29,30 Gas valve relay faulty Replace boiler controller • CAUTION Always use original Intergas spare parts when replacing components. Failure to fit the sensors S1 and/or S2, or to fit them correctly can result in serious damage. CAUTION * The boiler is equipped with a non-return valve (A), positioned above the fan.

  • Page 45: Other Faults

    11.2 Other faults 11.2.1 Burner does not ignite Possible causes: Solution: Gas tap is closed. Open gas tap. Air in the gas pipe. Remove air form gas pipe. Gas supply pressure too low. Contact the gas supply company. No ignition. Replace ignition electrode.
  • Page 46 11.2.4 No heating (CH) Possible causes: Solution: Check the wiring. Room thermostat / weather-dependent Replace the thermostat. adjustment not closed or faulty. Replace the weather-dependant adjustment. Check the wiring against the diagram. No current (24 V). Check the connector X4. Replace the faulty manager.
  • Page 47 11.2.8 Hot water does not reach temperature Possible causes: Solution: DHW flow to high. Adjust the inlet assembly. Temperature setting for water circuit too low. Set the hot water circuit, depending on the desired temperature. No heat transfer as a result of lime scale or Descale or flush the exchanger DHW side.

  • Page 48: Maintenance

    12 MAINTENANCE The appliance and the installation should be checked and if necessary cleaned every year by a registered expert. For assembly and disassembly the following tools can be used: 1. Cross head screwdriver 2. Allen key 8 mm 3. Fork spanner 30 mm After servicing, complete the relevant Benchmark Service Record section located on page 49 of this document.

  • Page 49: Assembly

    § 10.8. When the CO percentage at high setting is not within the prescribed tolerance band please contact Intergas Heating. 03010083 ,QWHUJDV +HDWLQJ /WG...

  • Page 50: Electrical Connections

    13 ELECTRICAL CONNECTIONS 13.1 Electrical wiring Earth connections heat-exchanger Fuse (2A T) CH pump DHW sensor Spark plug cover Gas valve + ignition unit Flow sensor DHW Boiler controller Ionisation-/ ignition probe Flow sensor CH water pressure sensor Earth connections boiler controller Main voltage Return sensor 3,15 AT...

  • Page 51: Short Spares List

    O-ring front plate Combi Compact HRE 36/30 & HRE 36/40 876597 O-ring front plate Combi Compact HRE 28/24 877927 O-ring front plate Combi Compact HRE 24/18 876467 Seal ring condensate collector (heat exchanger connection) 878147 O-ring flue pipe dia 68*4...

  • Page 52: Warranty Conditions

    15 WARRANTY CONDITIONS The warranty is effective only if the annex to this warranty With due regard for the conditions indicated below, Intergas Heating certificate has been signed by the purchaser and returned to Ltd warrants to the authorised installer the soundness of the us within 8 days of the date of installation.
  • Page 53 ,QWHUJDV +HDWLQJ /WG...

  • Page 54: Gas Boiler System Commissioning Checklist

    17 GAS BOILER SYSTEM COMMISSIONING CHECKLIST ,QWHUJDV +HDWLQJ /WG...

  • Page 55: Service Record

    18 SERVICE RECORD ,QWHUJDV +HDWLQJ /WG...
  • Page 56 Intergas boilers are manufactured in a Kiwa ISO 9001 certified production faccility. ,QWHUJDV +HDWLQJ /WG Intergas Heating Ltd Tel: 01527 888000 Building 94, Bay 1 Vantage Point Fax: 01384 279480 88287802 The Pensnett Estate info@intergasheating.co.uk Kingswinford www.intergasheating.co.uk West Midlands DY6 7FS...

This manual is also suitable for:

Combi compact hre 36/40Combi compact hre 28/24Combi compact hre 36/30

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