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1.9   IMMERGAS FLUE SYSTEMS.

Immergas supplies various solutions separately 

from the boilers regarding the installation of air 

intake terminals and flue extraction, which are 

fundamental for boiler operation.

Attention: the boiler must only be installed 

together with an original Immergas air intake 

and flue gas exhaust system, except for the C6 

configuration, in compliance with the stand-

ards in force. This system can be identified by 

an identification mark and special distinctive 

marking bearing the note: “not for condens-

ing boilers”.

The flue exhaust pipes must not be in contact with 

or be near to flammable materials. Moreover, 

they must not pass through buildings or walls 

made of flammable material.
See following paragraphs for the detailed descrip-

tion of the kits available

Positioning of double lip seals.

 For correct 

positioning of lip seals on elbows and exten-

sions, follow the direction of assembly given in 

figure (Fig. 1-7).
•  Resistance factors and equivalent lengths. Each 

flue component has a 

Resistance Factor

 based 

on experimental tests and specified in the table 

below. The Resistance Factor for individual 

components is independent from the type of 

boiler on which it is installed and has a dimen-

sionless size. It is however, conditioned by the 

temperature of the fluids that pass through the 

pipe and therefore, varies according to applica-

tions for air intake or flue exhaust. Each single 

component has a resistance corresponding to 

a certain length in metres of pipe of the same 

diameter; the so-called 

equivalent length

can be obtained from the ratio between the 

relative Resistance Factors. 

All boilers have an 

experimentally obtainable maximum Resistance 

Factor equal to 100.

 The maximum Resistance 

Factor allowed corresponds to the resistance 

encountered with the maximum allowed pipe 

length for each type of Terminal Kit. This 

information allows calculations to be made to 

verify the possibility of setting up various flue 

configurations.

• Coupling extension pipes and concentric 

elbows. To install push-fitting extensions with 

other elements of the flue, proceed as follows: 

Install the concentric pipe or elbow with the 

male side (smooth) on the female side (with lip 

seal) to the end stop on the previously installed 

element in order to ensure sealing efficiency of 

the coupling.

 

Attention:

 if the exhaust terminal and/or 

concentric extension pipe needs shortening, 

consider that the internal duct must always 

protrude by 5 mm with respect to the external 

duct.

• 

N.B.:

 for safety purposes, do not obstruct the 

boiler intake/exhaust terminal, even temporar-

ily.

• 

N.B.:

 during the installation of the horizontal 

pipes one must install a section clamp with 

gusset every 3 metres for non-insulated pipes 

and one every 2 metres for insulated pipes.

Flue gas separator adjustment.

 For correct 

functioning of the boiler it is necessary to regu-

late the flue gas shutter positioned on the air/flue 

gas sample points (Fig. 1-8).

Adjustment is carried out by loosening the 

front retainer screw and moving the indicator 

to the correct position, aligning its value to the 

horizontal reference. Once adjustment has been 

performed, tighten the screw to fix the separator. 

The appropriate adjustment is chosen based on 

type of pipe and its extension: this calculation 

can be made using specific tables.

Intake diaphragm installation.

 For correct 

boiler functioning with Ø 80 separator kits and 

drain measuring > 1 m a diaphragm must be 

installed on the sealed chamber intake hole and 

before the intake pipe (Fig. 1-9). The appropriate 

diaphragm is chosen based on type of pipe and 

its maximum extension: this calculation can be 

made using the tables below:

N.B.:

 the diaphragms are supplied together with 

the boiler as standard.

Summary of Contents for EOLO Maior

Page 1: ...MAIOR EOLO 24 28 32 Instruction and recommendation booklet IE 1 038763ENG ...

Page 2: ......

Page 3: ... Immergas boilers As for the other issues related to boiler installation e g safety in the work site environment protection injury prevention it is necessary to comply with the provisions specified in the regulations in force and principles of good practice In compliance with legislation in force the systems must be designed by qualified professionals within the dimensional limits established by t...

Page 4: ...uest 19 1 23 Boiler components 19 2 Use and maintenance instructions 20 2 1 Cleaning and maintenance 20 2 2 General warnings 20 2 3 Control panel 20 2 4 Using the boiler 21 2 5 Troubleshooting 22 2 6 Boiler shutdown 23 2 7 Restoring central heating system pressure 23 2 8 System draining 23 2 9 Antifreeze protection 23 2 10 Case cleaning 23 2 11 Decommissioning 23 3 Boiler start up initial check 24...

Page 5: ...ehold appliances underneath the boiler as they could be damaged if the safety valve intervenes if the drain trap is blocked or if there are leaks from the hydraulic connec tions otherwise the manufacturer cannot be held responsible for any damage caused to the household appliances For the aforementioned reasons we recommend not placing furnishings furniture etc under the boiler In the event of mal...

Page 6: ...ucing a top quality anti freeze liquid into this circuit which is not noxious to health The instructions of the manufacturer of this liquid must be followed scrupulously re garding the percentage necessary with respect to the minimum temperature at which the system must be kept An aqueous solution must be made with potential pollution class of water 2 EN 1717 2002 or local regulations in force War...

Page 7: ...technical standards in force in order to protect the system and the appliance from deposits e g scale slurry or other hazardous deposits Water connections must be made in a rational way using the couplings on the boiler template The boiler safety valves outlet must be connected to a draining funnel Otherwise the manufactur er declines any responsibility in case of flooding if the drain valve cuts ...

Page 8: ... device Important if the system is subdivided into zones using the relevant kit the CARV2 must be used with its climate thermostat function disabled i e it must be set to On Off mode Comando Amico Remoto Remote Control V2 or On Off chrono thermostat electrical con nections Optional The operations described below must be performed after having removed the voltage from the appliance Any thermostat o...

Page 9: ...owed corresponds to the resistance encountered with the maximum allowed pipe length for each type of Terminal Kit This information allows calculations to be made to verify the possibility of setting up various flue configurations Coupling extension pipes and concentric elbows To install push fitting extensions with other elements of the flue proceed as follows Install the concentric pipe or elbow ...

Page 10: ...zontal concentric kit From 0 to 0 5 From 0 5 to 4 6 From 4 6 to 7 4 Ø 80 125 vertical concentric kit From 0 to 5 4 From 5 4 to 9 5 From 9 5 to 12 2 Ø 80 vertical separator kit without bends From 0 to 20 From 20 to 40 From 0 to 22 From 22 to 32 Ø 80 horizontal separator kit with two bend From 0 to 16 From 16 to 35 From 0 to 17 From 17 to 28 Direct intake kit and Ø 80 drain in B22 configuration From...

Page 11: ...haust m 2 0 Terminal complete with concentric vertical intake exhaust Ø 80 125 Intake and Exhaust 33 m 2 0 m 5 5 Intake m 14 3 Exhaust m 11 0 Concentric vertical intake exhaust terminal Ø 80 125 Intake and Exhaust 26 5 m 1 6 m 4 4 Intake m 11 5 Exhaust m 8 8 Terminal complete with concentric hori zontal intake exhaust Ø 80 125 Intake and Exhaust 39 m 2 3 m 6 5 Intake m 16 9 Exhaust m 13 Concentric...

Page 12: ... to insert the gasket supplied with the kit and tighten by means of the screws provided Install the upper cover fixing it using the 4 screws present in the kit positioning the relevant gaskets Engage the 90 Ø 80 bend with the male end smooth in the female end with lip seal of the Ø 80 flange unit until it stops Introduce the gasket making it run along the bend Fix it using the metal sheet plate an...

Page 13: ...stoaresistancefactor of 100 In this case the special extensions must be requested NOTE when the boiler is installed in areas where very cold temperatures can be reached a special anti freeze kit is available that can be installed as an alternative to the standard kit Horizontal intake exhaust kit Ø 80 125 Kit assembly Fig 1 22 install the bend with flange 2 onto the central hole of the boiler inse...

Page 14: ...00 In this case specific extensions must be requested Vertical kit with aluminium tile Ø 80 125 Kit assembly Fig 1 19 to install the kit Ø 80 125 one must use the flanged adapter kit in order to install the flue system Ø 80 125 Install the flanged adaptor 2 on the central hole of the boiler positioning gasket 1 with the circular projections downwards in contact with the boiler flange and tighten u...

Page 15: ...ateral hole with respect to the central one according to needs andreplaceitwith theflange 3 position ingthegasket 2 alreadypresentintheboilerand tighten using the supplied self threading screws Fit the male end smooth to the bends 5 in the female end of the flanges 3 and 4 Fit the intake terminal 6 with the male section smooth in the female section of the bend 5 up to the end stop ensuring that th...

Page 16: ...y on the exhaust pipe due to excessive loss of temperature of the flue gas on their route Insulation may be necessary on the intake pipe as the air entering if very cold may cause the outside of the pipe to fall below the dew point of the environmental air The figures Fig 1 26 and 1 27 illustrate different applications of insulated pipes Insulated pipes are formed of a Ø 80 internal concentric pip...

Page 17: ... com ply with the outlet height and with the distance from technical volumes set forth by the technical standards in force Positioningthewallflueexhaustterminals The wall flue exhaust terminals must be installed on external perimeter walls of the building be positioned according to the minimum dis tances specified in current technical standards Combustion products exhaust of natural draught or fan...

Page 18: ...aft using a screwdriver Take great care during this operation to avoid damage to the motor By pass Regulation part 25 Fig 1 29 If nec essary the by pass can be adjusted according to system requirements from a minimum by pass excluded to a maximum by pass inserted represented by the graph Fig 1 28 Make the regulation using a flat head screwdriver turn clockwise and insert the by pass anti clockwise...

Page 19: ...unctioning of the water heater and to protect it from adverse weather conditions Fig 1 6 or if installed indoors in configuration type B it is compul sory to mount the appropriate top protection cover along with the flue exhaust kit Anti freeze kit with resistance on request If the boiler is installed in a place where the tem perature falls below 5 C and in the event there is no gas the appliance ...

Page 20: ...ing use of electrical power requires some funda mental rules to be observed do not touch the appliance with wet or moist parts of the body do not touch when barefoot never pull electrical cables or leave the appli ance exposed to weathering rain sunlight etc the appliance power cable must not be replaced by the user if the cable is damaged switch off the appliance and solely contact an authorised ...

Page 21: ...2 the CON connection error symbol will appear The CAR V2 is however powered constantly so as not to loose the stored programs Solar operating mode This function is activated automatically id the boiler detects a probe on the DHW inlet optional or if the Solar ignition delay parameter is more than 0 seconds During a withdrawal if the outlet water is hot enough the boiler does not switch on the DHW ...

Page 22: ...occurs in the event of an error on the P C B that enables fan start up incorrectly or in the event of a flue gas pressure switch fault If normal conditions are restored the boiler restarts without having to be reset 1 15 Configuration error If the board detects an anomaly or incongruity on the electric wiring the boiler will not start If normal conditions are restored the boiler restarts without h...

Page 23: ...e that the filling valve is closed 2 9 ANTIFREEZE PROTECTION The boiler has an anti freeze function that switches on automatically when the tempera ture falls below 4 C standard protection to minimum temperature of 5 C In order to guarantee the integrity of the appliance and the domestic hot water heating system in areas where the temperature falls below zero we recommend protecting the central he...

Page 24: ... the central heating system is filled with water and that the manometer indicates a pressure of 1 1 2 bar make sure the air valve cap is open and that the system is well deaerated switch the boiler on and check correct ignition make sure the gas maximum intermediate and minimum flow rate and pressure values correspond to those given in the handbook Par 3 18 make sure the gas supply failure safety ...

Page 25: ...tion to the relay board The connector X6 is for connection to a personal computer The connector X8 is used for software updating operations 3 3 TROUBLESHOOTING N B maintenance operations must be carried out by an authorised company e g Authorised After Sales Technical Assistance Service Smell of gas Caused by leakage from gas circuit pipelines Check sealing efficiency of gas intake circuit The fan...

Page 26: ...he correct type of gas nG Methane lG LPG Ci China The same as the type of gas being used S3 Boiler type Establishes the boiler type and its functioning mode 0 combi 1 24 kW storage tank 2 28 kW storage tank 3 32kW storage tank 0 3 0 S4 Power block Establishes the power at which the boiler must switch on 0 50 Set ac cording to factory inspection modify thevalueaccordingtotherangeavailable With the ...

Page 27: ...0 P5 Relay 3 optional The boiler is set up for functioning with the relay P C B optional which can be configured 0 Off 1 Chiller remote activation 2 General alarm 3 CH phase active 4 External gas valve power supply 5 Aqua Celeris device PTC control Do not use on this boiler model 0 5 0 Id Parameter ref 17 Parameter Description Range ref 21 Fig 2 1 Default t0 Central heating ignitions timer The boi...

Page 28: ...nut blocked 3 Exit the Chimney sweep mode and keep the boiler functioning Adjustment of the boiler minimum heat output in heating phase N B only proceed after having calibrated the minimum boiler pressure To adjust the minimum heat output during the heating phase change parameter S0 increasing the value the pressure increases reducing it the pressure drops The pressure to which the boiler minimum ...

Page 29: ...m from the boiler on the cold water inlet Note in order for the boiler to work properly the temperature selected on the solar valve must be 5 C greater than the temperature selected on the boiler control panel In this condition parameter P0 DHW ther mostat must be set at 1 and parameter P1 solar delay time must be set for a period that is sufficient to receive water from a storage tank located ups...

Page 30: ...e the guard a 3 Unhook the decorative frame c from the relative lower retainers 4 Remove the decorative frame c from the cas ing e 5 Loosen the 2 front screws d that fasten the casing 6 Loosen the 2 lower screws f that fasten the casing 7 Pull the case towards you e 8 At the same time push the case e upwards to release it from the upper hooks Installation drawings key Unmistakeable component ident...

Page 31: ...31 3 5 6 6 7 8 8 f f e INSTALLER USER MAINTENANCE TECHNICIAN ...

Page 32: ...14 9 22 94 0 1 12 11 80 120 4 12 0 10320 1 42 3 76 38 3 1 06 8 03 81 8 1 04 10 29 104 9 11 0 9460 1 31 3 22 32 8 0 98 6 92 70 6 0 96 8 89 90 7 10 0 8600 1 20 2 70 27 6 0 89 5 91 60 2 0 88 7 61 77 6 9 3 7998 1 12 2 36 24 0 0 84 5 25 53 5 0 82 6 79 69 2 8 0 6880 D H W 0 97 1 74 17 8 0 73 4 14 42 2 0 71 5 41 55 2 7 0 6020 0 86 1 30 13 3 0 64 3 40 34 7 0 63 4 50 45 9 METHANE G20 BUTANE G30 PROPANE G31...

Page 33: ...00 2 87 8 22 83 8 2 14 17 67 180 2 2 10 23 33 237 9 24 0 20640 2 76 7 70 78 5 2 06 16 44 167 6 2 03 21 81 222 4 23 0 19780 2 65 7 19 73 3 1 98 15 26 155 6 1 95 20 34 207 4 22 0 18920 2 55 6 69 68 2 1 90 14 12 144 0 1 87 18 91 192 8 21 0 18060 2 44 6 21 63 3 1 82 13 02 132 8 1 79 17 52 178 7 20 0 17200 2 34 5 74 58 5 1 74 11 97 122 0 1 71 16 17 164 9 19 0 16340 2 23 5 28 53 8 1 66 10 96 111 7 1 64 ...

Page 34: ...low rate at min heat output kg h 64 64 64 CO2 at Q Nom Min 7 35 2 05 8 65 2 40 8 40 2 40 CO with 0 O2 at Nom Min Q Nom Min ppm 73 126 93 164 65 155 NOX at 0 of O2 at Q Nom Min mg kWh 152 123 234 150 202 111 Flue temperature at nominal output C 110 114 112 Flue temperature at minimum output C 77 78 79 Maior Eolo 32 Gas nozzle diameter mm 1 35 0 78 0 78 supply pressure mbar mm H2 O 20 204 29 296 37 ...

Page 35: ...ircuit max operating pressure bar 3 0 3 0 3 0 Maximum heating temperature C 90 90 90 Adjustable central heating temperature C 35 85 35 85 35 85 System expansion vessel total volume l 8 0 7 4 7 4 Heating expansion vessel pre charge bar 1 0 1 0 1 0 Appliance water content l 1 3 1 5 2 0 Head available with 1000 l h flow rate kPa m H2 O 24 52 2 5 32 46 3 3 39 32 4 0 Hot water production useful heat ou...

Page 36: ...Model code Sr N Serial Number CHK Check Cod PIN PIN code Type Type of installation ref CEN TR 1749 Qnw min Minimum DHW heat input Qn min CH minimum heat input Qnw max DHW maximum heat input Qn max CH maximum heat input Pn min Minimum heat output Pn max Maximum heat output PMS Maximum system pressure PMW Maximum domestic hot water pressure D Specific flow rate TM Maximum operating temperature NOx C...

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Page 40: ...gas Italia immergas com Immergas S p A 42041 Brescello RE Italy Tel 0522 689011 Fax 0522 680617 Certified company ISO 9001 This instruction booklet is made of ecological paper Cod 1 038763ENG rev ST 002104 003 09 17 ...

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