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  4. Combi Compact HRE 24/18
  5. Installation, Service And User Instructions Manual

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

Summary of Combi Compact HRE 24/18

  • Page 1

    Intergas heating ltd 1 combi compact hre 24/18 (g.C. 47-291-01) hre 28/24 (g.C. 47-291-02) hre 36/30 (g.C. 47-291-03) installation, service and user instructions please read these installation instructions carefully before installing and using the appliance. Keep these installation instructions with...

  • Page 2

    Intergas heating ltd 2 benchmark scheme 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 instr...

  • Page 3

    Intergas heating ltd 3 8.2 connecting dhw installation.........................................................................................................................................................23 8.3 electrical connection ...................................................................

  • Page 4

    Intergas heating ltd 4 1 preface 1.1 regulation the intergas combination boiler meets the requirements of statutory instrument 'the boiler (efficiency) regulations' and is deemed to meet the requirements of: • gas appliance directive 90/396/eec • boiler efficiency directive 92/42/eec • low voltage d...

  • Page 5

    Intergas heating ltd 5 1.6 abbreviations and descriptions used description referred to as high efficiency he intergas combi compact hre wall mounted gas fired boiler appliance appliance plus pipe work for central heating ch installation appliance plus pipe work for domestic hot water dhw installatio...

  • Page 6

    Intergas heating ltd 6 2 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 efficie...

  • Page 7

    Intergas heating ltd 7 2.3 approvals natural gas intergas combi compact hre pre-mix condensing combination boiler british gas service listing: combi compact hre 36/30 g.C.N. 47-291-03 combi compact hre 28/24 g.C.N. 47-291-02 combi compact hre 24/18 g.C.N. 47-291-01 notified /body the intergas combi ...

  • Page 8

    Intergas heating ltd 8 2.4 technical data appliance category c13; c33; c43; c53; c63; c83 gas supply pressure 20 mbar -g20 ; 37 mbar – g31 gas category ii2h3p technical data combi compact hre 24/18 28/24 36/30 sedbuk rating a a a gas council number g.C. 47-291-01 g.C. 47-291-02 g.C. 47-291-03 dhw in...

  • Page 9

    Intergas heating ltd 9 2.5 components a. Ch pump l. Air supply cap b. Gas valve m. Flue pipe adapter c. Boiler controller n. Connection block / terminal strip x4 d. Sensor s1 o. Condensate drain pan e. Sensor s2 p. Hot water sensor s3 f. Fan q. Condensate trap g. Flow switch r. Heat exchanger h. Ch ...

  • Page 10

    Intergas heating ltd 10 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 deliver heat to the water in a ch system and the dhw installation. The air supply and combustion gas flue connection is a...

  • Page 11

    Intergas heating ltd 11 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 circuit...

  • Page 12

    Intergas heating ltd 12 0 pump overrun of ch 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 s...

  • Page 13

    Intergas heating ltd 13 7 pre-heating facility to enable fast delivery of domestic hot water the boiler controller is equipped with a dhw comfort function. This function maintains the temperature of the heat exchanger to a pre defined temperature. The dhw comfort function has the following settings:...

  • Page 14

    Intergas heating ltd 14 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 applia...

  • Page 15

    Intergas heating ltd 15 5 installer handy hints • the installer shall instruct the user on the operation of the boiler, safety devices contained within the boiler and on the location of the filling loop and how to re-pressurise the system if the water pressure falls. The installer should then hand o...

  • Page 16

    Intergas heating ltd 16 6 accessories description article number pipe cover set (incl. Mounting material) 093217 wall mounting frame + exp. Vessel 8 litres hre 36/30 093207 wall mounting frame + exp. Vessel 8 litres hre 28/24 093197 wall mounting frame + exp. Vessel 8 litres hre 24/18 093187 outside...

  • Page 17

    Intergas heating ltd 17 description article number vertical roof terminal 086842 plume management kit 082974 elbow 90° (for plume management kit) 081284 elbow 60° (for plume management kit) 081285 extension l = 100 incl. Wall bracket (for plume management kit) 081286 robo kit 090000

  • Page 18

    Intergas heating ltd 18 7 installation 7.1 overall dimensions appliance with connections downwards: appliance + mounting bracket + frame a = supply ch Ø22 b = return ch Ø22 c = gas ½” d = cold tap water Ø15 e = dhw Ø15 f = condensate drain Ø25 (flexible) g = drain prv Ø15 h = 840 combi compact hre 3...

  • Page 19

    Intergas heating ltd 19 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 regulat...

  • Page 20

    Intergas heating ltd 20 7.3 assembly the boiler must be mounted on a wall mounting frame with an expansion vessel. The jig can be placed in the sleeves of the frame and does not need any extra assembly. The appliance can also be connected without the wall mounting frame using the robo kit. 7.3.1 fit...

  • Page 21

    Intergas heating ltd 21 7.4 installing the appliance 1. Unpack the appliance. 2. Check the contents of the packaging. It consists of: • appliance (a) • wall mounting strip (b) • condensate trap (c) • installation instructions • operating instructions • warranty card 3. Check the appliance for possib...

  • Page 22

    Intergas heating ltd 22 8 connection 8.1 connecting ch installation 1. Flush the ch system thoroughly to clean. 2. Fit the supply pipe and the return pipe into the shut off valves. 3. All pipes must be fitted unstressed in order to prevent the pipes from ticking. 4. Existing connections must not be ...

  • Page 23

    Intergas heating ltd 23 8.2 connecting dhw installation 1. Flush the installation thoroughly to clean. 2. Fit the cold and hot water pipes into the shut off valve and the elbow. 3. Existing connections must not be twisted, in order to avoid leakages. Make sure the compression fittings are tightened ...

  • Page 24

    Intergas heating ltd 24 8.3 electrical connection caution an earthed wall socket must be located no more than 1 metre from the appliance. The wall socket must be easily accessible. For installation in damp rooms a fixed connection is obligatory. When working on the electrical circuit always isolate ...

  • Page 25

    Intergas heating ltd 25 8.3.2 on / off room thermostat 1. Connect the room thermostat . 2. Adjust the feedback resistance of the room thermostat to 0.1 a. In case of doubt measure the current and adjust this accordingly . The allowed maximum electrical resistance of the room thermostat and wiring is...

  • Page 26

    Intergas heating ltd 26 8.5 flue system 8.5.1 flue pipe and air supply the boiler utilises a concentric flue arrangement, which consists of a 60 mm- diameter inner flue and 100 mm-diameter outer air inlet duct, which comes in either horizontal or vertical arrangements. Note only use approved interga...

  • Page 27

    Intergas heating ltd 27 8.5.3 horizontal flue system the 60/100 mm horizontal flue system may be extended up to a maximum of 15 metres. For every bend used the following flue length reductions apply: - 45° bend = 1 metre and for a 90° bend this is 1.5 metres. Caution only an intergas approved flue i...

  • Page 28

    Intergas heating ltd 28 9 commissioning the appliance at the time of commissioning, complete all relevant sections of the benchmark checklist located on page 45 of this document. 9.1 filling and venting the appliance and the installation 9.1.1 ch system caution if an additive is added to the ch wate...

  • Page 29

    Intergas heating ltd 29 9.1.5 flue system the flue system must be connected correctly to the appliance in accordance with the manufacturer’s instructions. The flue termination should also be checked. Where suitable access for a visual inspection of an existing flue system has not been provided the a...

  • Page 30

    Intergas heating ltd 30 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 ‘’clock’’ appears. For adjusting the clock to the correct time press the [+] or [-] button. Note: holding the button for more than 1 second w...

  • Page 31

    Intergas heating ltd 31 9.5 shutting down caution drain the appliance and the installation if mains power has been interrupted and there is a possibility of freezing. 1. Drain the appliance at the drain tap. 2. Drain the installation at the lowest point. 3. Close the main cock for the water supply t...

  • Page 32

    Intergas heating ltd 32 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...

  • Page 33

    Intergas heating ltd 33 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: 1. Press the and keys simultaneously unti...

  • Page 34

    Intergas heating ltd 34 10.4 setting maximum ch power the maximum ch power is set at 70% in the factory. If more or less power is necessary for the ch installation, the maximum ch power can be changed by changing the fan rpm. See table setting ch power. This table shows the relationship between the ...

  • Page 35

    Intergas heating ltd 35 10.7 conversion to different gas type caution work on gas carrying parts may only be carried out by a qualified competent person. If a different type of gas is connected to the appliance than that for which the appliance has been set by the manufacturer, the gasrestriction sh...

  • Page 36

    Intergas heating ltd 36 a. Co 2 demands at low setting for natural gas the co 2 level at low setting must be equal to or max. 0.3 % lower than the level at high setting. Important: the co 2 level at low setting must never be under 8.6%. For example (natural gas): 1: co 2 level at high setting is 9.2...

  • Page 37

    Intergas heating ltd 37 11 faults 11.1 fault codes if the fault led is flashing, the boiler controller has detected a fault. A fault code will be indicated on the temperature display. Once the fault has been rectified the boiler controller can be restarted. Press the reset key on the operating panel...

  • Page 38

    Intergas heating ltd 38 11.2.2 burner ignites noisily possible causes: solution: gas supply pressure too high. ¨ the house pressure switch may be faulty. Contact the gas company . No ª incorrect ignition gap. ¨ replace the ignition pin . Check the ignition electrode gap. No ª gas/air adjustment not ...

  • Page 39

    Intergas heating ltd 39 11.2.5 the power is reduced possible causes: solution: at high rpm the power has fallen by more than 5%. ¨ check appliance and flue system for fouling. Clean the appliance and flue system. 11.2.6 ch does not reach temperature possible causes: solution: room thermostat setting...

  • Page 40

    Intergas heating ltd 40 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, com...

  • Page 41

    Intergas heating ltd 41 12.3 assembly caution when fitting the various seals check for damage, hardening, tears or hairline tears and/or discoloration. Where necessary fit a new seal. Also check whether seals are still correctly positioned. Failure to fit the sensors s1 and/or s2, or to fit them cor...

  • Page 42

    Intergas heating ltd 42 13 electrical diagram a earth connections heat-exchanger f fuse (2a t) p1 ch pump s3 dhw sensor b spark plug cover g gas valve + ignition unit r resistance s5 flow switch c boiler controller i ionisation-/ ignition probe s1 flow sensor s7 ch water pressure sensor e earth conn...

  • Page 43

    Intergas heating ltd 43 14 short spares list description article number boiler controller 074277 fan 074397 wall mounting strip 145308 temperature sensor (heat exchanger) 200117 temperature sensor (dhw) 200127 ch pump 210177 ignition / ionisation electrode 209367 ignition cable 221357 gas valve siem...

  • Page 44

    Intergas heating ltd 44 15 warranty conditions with due regard for the conditions indicated below, intergas heating ltd warrants to the authorised installer the soundness of the materials used in and the correct operation of its central heating products, when used for the purpose for which they are ...

  • Page 45

    Intergas heating ltd 45 17 gas boiler system commissioning checklist.

  • Page 46

    Intergas heating ltd 46 18 service record.

  • Page 47

    Intergas heating ltd 47 __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ ______________________________________________...

  • Page 48

    Intergas heating ltd 48 intergas boilers are manufactured in a kiwa iso 9001 certified production faccility. Intergas heating ltd 88287708 intergas heating limited unit 6, west court buntsford park road bromsgrove worcestershire b60 3dx telephone : 01527 888000 fax : 01527 888001 info@intergasheatin...