background image

Installation 

Minimum clearances 

9

450

21

0

50

50

30

0

305

336

7

67

2

72

75

0

15

5

m

in

.3

00

m

ax

.3

50

550

84

0

450

21

0

40

0*

m

in

.2

04

5

m

ax

.2

09

59

125

80

m

in

.

20

45

m

ax

.2

09

5

m

in

.

18

19

m

ax

.1

86

9

m

in

.

11

47

m

ax

.1

19

7

120 Liter

150 Liter **

Minimum clearances

For servicing of heating appliance the 

minimum clearances specified in the
diagram must be observed.

Wall mounting

Mount the heating appliance with the
aid of the positioning device and a 
spirit level*. 

Affix the metal bracket to the wall by
means of the expansion anchor to be
used and hang the heating appliance.

* with fitted expansion tank

** with 150 l tank     

vertical mass + 178 mm

Summary of Contents for EURON HG 12

Page 1: ...Operating Manual for authorised specialist EURON 12 18 24 30 HG EURON 24 30 HSG ...

Page 2: ...ion ø 80 PPS 18 Flue gas connection ø 125 80 PPS 19 Concentric Flue gas system ø 125 80 PPS Alu 20 Concentric Air Flue gas system ø 125 80 PPS Alu 21 22 Annex to Flue gas connection ø 125 80 PPS 23 Annex to Flue gas connection ø 80 125 PPS 24 25 Connection of separate service water tank 26 Preparation for operation 27 29 Operation with service water tank 30 Parameter adjustment to control unit QAA...

Page 3: ...te from fireplaces into open waste water plants National building regulations TRF Technical liquid gas regulations DVGW G688 Boiler technology worksheet DIN 4701 Regulations for calculation of the heating needs of buildings DIN 4751 Safety engineering fitting of heating installations with flow temperatures up to 95 C Heat AnlV Heating installation regulations for Austria the following also apply Ö...

Page 4: ...H 5195 1 applies additionally Unidentified water quality and replacement equipment Frequently solids and additives are found in the heating circuit water which affect the function and life of the burner appliance Therefore either prior to changing equipment heat up the old system and thereafter completely discharge or prior to changing equipment carefully flush the heating system It is best to flu...

Page 5: ... for service water load 11 Siphon condensation discharge 12 NTC Service water sensor 13 Minimum pressure monitor 14 Connecting hose for supply air damper 15 Service water plate heat exchanger 16 Filter for cold water entry 17 Service water flow control 18 Hesting manometer 19 Circulation pump with bleeding device 20 Gas va ve 21 Collection hose for mixing air gas 22 Modulating supply air compresso...

Page 6: ...Flue gas mass flow rate with Natural gas g s 4 78 7 81 10 19 12 47 Flue gas temperature C 64 66 74 71 Gas category DE II2ELL3B P Construction type Flue gas system B23 C13x C33x C43x C53x C63x C83x Electrical protection rating IPX4D NOx Klasse 5 Ionisation flow min µA 1 1 1 1 Connections Air flue gas hose DN 80 125 80 125 80 125 80 125 Heating supply return DN 3 4 3 4 3 4 3 4 Gas connection DN 3 4 ...

Page 7: ... norm mbar 20 Erdgas 50 Flüssiggas 17 4 25 Erdgas 50 Flüssiggas Gas flow pressure min max mbar Flue gas mass flow rate with Natural gas g s 10 19 12 47 Flue gas temperature C 74 71 Gas category DE II2ELL3B P Construction type Flue gas system B23 C13x C33x C43x C53x C63x C83x Electrical protection rating IPX4D NOx Klasse 5 Ionisation flow min µA 1 1 Connections Air Flue gas hose DN 80 125 80 125 He...

Page 8: ... 3 4 E Return 3 4 G Condensation discharge 28 mm H Siphon Water connection Gas connection EURON 24 HSG Combi EURON 30 HSG Combi only for Belgium Legend A Supply 3 4 B Hot water outlet 1 2 C Gas intake 3 4 D Cold water intake1 2 E Return 3 4 G Condensation discharge 28 mm H Siphon Water connection Gas connection ...

Page 9: ... 150 Liter Minimum clearances For servicing of heating appliance the minimum clearances specified in the diagram must be observed Wall mounting Mount the heating appliance with the aid of the positioning device and a spirit level Affix the metal bracket to the wall by means of the expansion anchor to be used and hang the heating appliance with fitted expansion tank with 150 l tank vertical mass 17...

Page 10: ...pressure needed by the appropriate devices for processing of hot service water is about 0 2 bar On sizing the pipes and the heating element of the appliance the value of the remaining conveyor height level must be considered depending on the required flow in accordance with the values represented in the curve picture page 12 of the circulation pump With combi appliance type HSG flow limiters are b...

Page 11: ...3 way valve 11 Minimum pressure monitor 12 NTC Service water sensor 13 Service water plate heat exchanger 14 Service water flow control 15 Cold water filter 16 Automatic heating bypass 17 3 bar safety valve 18 Manometer 19 Circulation pump 20 Automatich bleed valve 21 Condensate siphon 22 NTC appliance return sensor 23 Collection hose flue gas connection 24 Expansion tank optional 25 Flue gas STB ...

Page 12: ...65 503 343 510 341 300 522 408 5 548 394 542 383 200 547 440 561 440 568 422 100 568 470 588 467 587 452 0 584 494 601 491 600 476 Remaining conveyor height level of the circulation pump at pump stages 2 3 Graphic representation of the remaining conveyor height level of the circulation pump at pump stages 2 3 Legend V2 2 Pump stages V3 3 Pump stages 0 0 100 200 300 400 500 600 700 0 200 400 600 80...

Page 13: ...reen which is longer than the supply wires see illustration Multiple plug sockets extension cable and adapter are not appropriate For earthing of the appliance in no circumstances use the hoses of the water supply installation or heating or gas installation The appliance is not protected against damage from lightning strikes If the mains fuses are to be changed use quick fuses with 2 A Remote cont...

Page 14: ...onnection QAA73 Remote control QAA 73 Earthing Transformer Pilot air valve Ionisation electrode Ignition transformer 230 VAC Temperature limiter FBH Gas solenoid 230 VAC heating hot water sanitation Service water 230 VAC Circulation pump HK BL 230 VAC Circuit breaker Power supply 230V 50 Hz Safety NTC Temperature sensor Hot water tank Minimum pressure monitor heating operation Operator user displa...

Page 15: ...gas burning appliance is installed on an exterior wall air flue gas routing via exterior wall the rated heat capacity of the heating operation must be reduced to below 11 kW If levels are bypassed via the pipes for the combustion air supply and flue gas routing in the premises the pipes outside the installation area must lead into a pit with a fire resistance period of at least 90 minutes and with...

Page 16: ...tioned sizing 16 Air flue gas routing Conducting variants and Dimensioning Type of flue gas connection Max length of flue gas pipes m Pipe diameter mm 24 HSG HG 30 HSG HG Minimum Maximum concentric systems C13x 0 7 15 7 ø 80 125 B33 0 7 15 7 ø 80 125 Double hose systems C13x C33x C43x 0 5 S1 0 5 S2 20 S1 20 S2 ø 80 80 C53x C83x 1 S1 0 5 S2 1 S1 32 S2 ø 80 80 B23 0 5 S2 33 S2 ø 80 Type of flue gas ...

Page 17: ...pendent D 80 125 PPS Alu white C13X Flue gas connection and air intake via exterior wall in the same pressure range C33x Flue gas connection and air intake via flue in the same pressure range Vertical end piece of flue gas connection C43x Air intake and flue gas connection via a flue system integrated in the construction C53x Air intake and flue gas connection in open air in range with varied pres...

Page 18: ... 1 m Hose with sleeve 1 95 m 10 Connection piece with inspection opening covering attached by screws 11 Elbow 30 Elbow 45 Elbow 87 5 5 Spacer all must be 2 m When connecting heating appliance and flue condensate resistant products must be used For lengths and realignment of the circuit points the table on page 16 conducting variants applies The flue must correspond to the instructions of the DIBT ...

Page 19: ...l Hose with sleeve 1 m Hose with sleeve 1 95 m 10 Connection piece with inspection opening covering attached by screws 11 Elbow 30 Elbow 45 Elbow 87 5 5 Spacer all must be 2 m When connecting heating appliance and flue condensate resistant products must be used For lengths and realignment of the circuit points the table on page 16 conducting variants applies The flue must correspond to the instruc...

Page 20: ...0 5 m 3 Connections for exterior wall 4 2 Clamps Hose 1 m Elbow 87 5 Elbow 45 Connection piece with inspection opening Covering attached by screws 4 Covering ø 125 for wall white including fixing screws Fixing clamp DN 125 Adjustable wall clamp DN 125 Separation wall centre of hose 115 170 mm Extension for wall clamp Separation wall centre of hose 165 228 mm or 215 275 mm or 270 333 mm When instal...

Page 21: ...icensed for the flue gas connection of burner appliance Basic kit Pos Description 1 IT Connection with covering 87 5 2 Hose 0 5 m 14 Covering for wall ø 125 white 3 4 5 6 7 m vertical hose kit consisting of Connection base Connecting elbow with 87 5 3 Hoses with sleeves 1 95 m 1 Hose with sleeve 1 m 3 Spacers Cowl Hose 1 m Elbow 87 5 Elbow 45 Fixing clamp DN 125 Adjustable wall clamp DN 125 Separa...

Page 22: ...ng roof for on roof routing black 5 On roof routing AZ with black windbreak Alternative Pos Description 4 Round Firebrick for universal sloping roof for on roof routing red 5 On roof routing AZ with red windbreak 6 Aligner for flat roof on roof routing ø 125 Other Pit or protective pipe F30 F90 outside Extension Pos Description Hose 1 m T Connection with covering 87 5 Elbow 90 Elbow 45 Fixing clam...

Page 23: ...Air intake and flue gas routing via a system of flues integrated into the construction These solutions are supplied on request When connecting heating appliance and flue condensate resistant products must be used For lengths and realignment of the circuit points the table on page 16 conducting variants applies The flue must correspond to the instructions of the DIBT and be licensed for the flue ga...

Page 24: ...0 125 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: ... 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 For lengths and realignment of the circuit points the table on page 16 conducting variants applies The flue must correspond to the instructions of the DIBT and be licensed for the flue gas connection of burner appliance ...

Page 26: ...formation see assembly instructions with kit Technische Daten Tank capacity V120 C RM 120 l V150 C RM 150 l Appropriate operating pressure hot water 10 bar Appropriate water temperature 90 C Appropriate operating pressure Average heat 10 bar Appropriate Average heat temperature 120 C Heat surface V120 C RM 0 93 m2 V150 C RM 1 07 m2 Weight in full condition V120 C RM 178 kg V150 C RM 215 kg Hot wat...

Page 27: ...s supply is cut the display shows the readout 133 Allow the pump to work until all the air has left the appliance Bleed the heating appliance Open the service water until the circuit is completely aerated Check the appliance pressure and refill with water in the case of a drop in pressure until pressure again reaches 1 bar Check the flue gas system Ensure that any necessary room ventilation openin...

Page 28: ...nce is ready to operate Winter and summer operation The heating appliance has a MODE 9 key by which the appliance can be changed over from winter to summer operation and vice versa The appliance is on winter operation if the LED 13 is illuminated If the outside temperature is connected to the heating appliance the changeover from winter operation heating and hot service water to summer operation o...

Page 29: ...tion relating to operating conditions of heating appliance Pressing Key 7 again will again show the service water temperature reading on the display After a few minutes the boiler temperature appears again Heating appliance lock If a malfunction 3 occurs the appliance switches to stop for safety reasons the fault is displayed by illumination of the LED 3 To restart operation the de jam key RESET 6...

Page 30: ...ly the temperature of the heating appliance appears Note Temperature adjustments to service water in service water tank remain unchanged after a power cut Attention With HG models without connection to a service water tank the adjusting knob 11 cannot be used by the operator For this configuration the adjusting knob 11 is exclusively for the authorised specialist for adjustment of minimum power se...

Page 31: ... On off key Application level Key operation Parameter range QAA73 Press program key 2 End operator Parameter 1 50 Keep program keys 1 and 2 pressed for ca 5 secs Specialist Parameter 51 98 LMU Key operation in this order Press key 4 keep pressed then press Key 1 keep both keys pressed for ca 5 secs subsequently Keep program keys 1 and 2 pressed simultaneously for ca 5 secs Initialising LMU Paramet...

Page 32: ...four fixingpower supply to heating appliance screws under the housing and shut gas tap To gain access to the inner parts do the following Unscrew the four fixing screws under the housing 32 Open the release lever in Upper part of housing Pull housing towards you Fold out the front switch panel ...

Page 33: ... 45 C Resume operation after the appliance has cooled First unscrew the locking screw 1 between the flue gas gauge connections Next the connectors of the gauge connection E emission A intake air must be pulled out with a 90 anti clockwise turn bayonet closure Place the sensor of the measuring appliance in the opening Flue gas measurement is carried out in heat mode If the removal of the heat gener...

Page 34: ...f the adjacent chart If the ascertained values differ from the values quoted here proceed as follows Turn flow rate control 1 ig gas valve anticlockwise to increase and clockwise to decrease the CO2 value of the reading because of the sensitivity of the screw minimum rotations are sufficient Wait a few seconds until the CO2 value is stabilized if applicable repeat the foregoing 34 1 12 HG 18 HG 24...

Page 35: ... in the chart no further regulation is necessary After these measures the gas flow rate on the counter should be checked taking into account the specifications contained in the table of technical data If the checks are completed the heating appliance must be re set manually to normal operation For this keep the flue cleaner key 8 pressed until the red LED 3 goes out If the ascertained values diffe...

Page 36: ...ng the flue cleaner key 8 pressed until the red LED 3 starts to flash The display shows alternately the flow temperature of the heating appliance the figure 1 and the figure 00 Wit the adjusting knob 11 for adjustment of service water temperature the maximum heat output can now be set to the required value see graph To store the adjustment keep key 8 pressed until the red LED 3 goes out Via the Pa...

Page 37: ...RESET 6 key Protection system of heating appliance The heating appliance is protected from operating faults by internal monitors in the microprocessor circuit board which when necessary lock the appliance for safety reasons In the case of an appliance being locked a code is shown on the display which gives the type of locking and its cause Two types of locking can occur Safety shut off This type o...

Page 38: ...ow temperature reading C A2 Service water temperature reading C A3 not used A4 Reading for operating phase of heating appliance b0 Internal code in case of fault b1 Heating appliance return temperature reading C A3 not used b3 Reading of flue gas sensor temperature b4 Reading of outside temperature C b5 not used b6 not used b7 Temperatur of circuit of second zone C C1 Reading for ionisation curren...

Page 39: ...uid gas contained in changeover kit on the left of the heat exchanger 9 Connect the appliance to the mains 10 Open the gas tap 11 Put the appliance into operation according to the information in the Instruction manual 12 Check the gas seals 13 Replace the front panel of the combustion chamber 14 Carry out a combustion analysis and a calibration of the maximum heat load 15 Replace gas shield 16 Onl...

Page 40: ... mm 35 8mm G30 Butane ø 4 6 mm 35 8mm 18 HG G20 G25 Natural gas H LL None None G31 Propane ø 4 6 mm 35 8mm G30 Butane ø 4 6 mm 35 mm 24 HSG HG G20 G25 Natural gas H LL None None G31 Propane ø 4 6 mm 53 8mm G30 Butane ø 4 6 mm 53 8mm 30 HSG HG G20 G25 Natural gas H LL None None G31 Propane ø 4 6 mm 57 12 5mm G30 Butane ø 4 6 mm 57 12 5mm 8 The air screen is on the left of the heat exchanger ...

Page 41: ...uid gas kg h max 1 90 1 90 2 21 1 42 1 42 1 40 min 0 49 0 49 0 57 0 36 0 36 0 36 Gas consumption after 10 Min at 70 of max output Natural gas m3 h Liquid gas kg h 0 22 0 22 0 26 0 17 0 17 0 16 Lower Wobbe index 15 C 1013 mbar MJ m3 45 67 37 38 80 58 70 69 Consumption 15 C 1013 mbar Natural gas m3 h Liquid gas kg h max 2 43 2 43 2 83 1 81 1 81 1 79 min 0 63 0 63 0 74 0 47 0 47 0 47 Gas consumption ...

Page 42: ...s provided If the heating appliance is decommissioned in an area where the room temperature in winter can fall below 0 C it is advised to admix the water of the heating appliance with antifreeze to avoid frequent evacuation Check carefully when using antifreeze if this is suitable for stainless steel from which the inner part of the heating appliance is made The manufacturer is not liable for dama...

Page 43: ...t picture Cleaning of stainless steel heat exchangers Cleaning of flue gas area To gain access to the stainless steel heat exchanger dismantle the burner For cleaning you may use water a cleaning agent and a non metal brush Afterwards flush with water Cleaning of siphon To gain access to the siphon unscrew clockwise the collecting glass for condensate which is on the bottomhe left of the shell For...

Page 44: ...y or no circulation 160 83 On ignition necessary ventilator speed not achieved 160 282 Blocked ventilator 161 110 Measured ventilator speed above upper limit 183 105 Circuit board in programming mode Display Internal Code b0 Cause 20 142 Short circuit in heating supply sensor 20 143 Heating supply sensor circuit open 40 144 Short circuit in heating return sensor 40 145 Heating return sensor circui...

Page 45: ...nal ambient sensor circuit open 61 Remote control or room temperature sensor signal distrubed 62 Connection of an incompatible remote control or time switch 92 Failure of electronic hardware 133 101 Flame attend of safety period not detected 134 98 Extinguishing of flame during operation 180 168 Flue cleaner function active Information code ...

Page 46: ... gas feed and supply and return must be shut off Maintenance works should be carried out once a year Cleaning of the heat exchanger can be dispensed with with little pollution but must be done at least every 2 years 46 Dismantling front cowling Loosen 4 safety screws 1 below covering Open spring lock 2 above the front cowling 3 Pull front cowling forwards Fold control panel 4 forwards After loosen...

Page 47: ...he ceramic fibre seal 9 for damage and replace if necessary Dismantling Heat exchanger Empty appliance of water Disconnect condensate drainage hoses 10 Disconnect supply and return connections 15 Remove both fixing clips 17 Loosen fixing screws 11 for heat exchanger 12 Detach heat exchanger forwards Disconnect combustion chamber insulation 13 Flush out heat exchanger 12 with pure water remove obst...

Page 48: ...sual check of burner if necessary clean with brush nylon brush or vacuum cleaner Visual check of compressor and venturi burner if necessary clean with brush nylon brush or vacuum cleaner Disconnect combustion chamber insulation Flush out heat exchanger with pure water remove obstinate impurities with fine synthetic brush and flush out Clean siphon and refill with water before assembly Check all co...

Page 49: ...Explanation of name plate 49 Legend 1 Model heating appliance code 2 Serial number Licence number 3 Pre set gas type 4 Efficiency 5 Heat load max min 6 Heat output max min ...

Page 50: ...Notes 50 ...

Page 51: ...Notes 51 ...

Page 52: ...OILERS S BOILERS BOILERS 3 Juniper West Fenton Way Southfields Business Park Basildon Essex SS15 6SJ Tel 01268 546700 Fax 01268 888250 www mhsboilers com ELCO heating solutions Exclusively from MHS Boilers ...

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