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143

GR

CZ

HU

ES

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PT

1

  - INSTALLER 

BOILER

 

INSTALLATION

1.1  INSTALLATION 

RECOMMENDATIONS.

The Maior Eolo boiler has been designed for wall 

mounted installation; they must be used to heat 

environments, to produce domestic hot water 

and similar purposes. In the case of wall instal-

lation the wall surface must be smooth, without 

any protrusions or recesses enabling access to the 

rear part. They are NOT designed to be installed 

on plinths or floors (Fig. 1-1).

By varying the type of installation the classifica-

tion of the boiler also varies, precisely:

Boiler type B

22

 if installed without the 2 intake 

caps and with the top cover kit.

Type C 

boiler if installed using concentric pipes 

or other types of pipes envisioned for the sealed 

chamber boiler for intake of air and expulsion 

of flue gas.

Only professionally qualified heating/plumbing 

technicians are authorised to install Immergas 

gas appliances. Installation must be carried out 

according to the standards, current legislation 

and in compliance with local technical regula-

tions and the required technical procedures. In-

stallation of the Maior Eolo boiler when powered 

by LPG must comply with the rules regarding 

gases with a greater density than air (remember, 

as an example, that it is prohibited to install sy-

stems powered with the above-mentioned gas in 

rooms where the floor is at a lower quota that the 

average external country one). Before installing 

the appliance, ensure that it is delivered in per-

fect condition; if in doubt, contact the supplier 

immediately. Packing materials (staples, nails, 

plastic bags, polystyrene foam, etc.) constitute 

a hazard and must be kept out of the reach of 

children. If the appliance is installed inside or 

between cabinets, ensure sufficient space for 

normal servicing; therefore it is advisable to 

leave clearance of at least 3 cm between the boiler 

casing and the vertical sides of the cabinet. Leave 

adequate space above the boiler for possible water 

and flue removal connections. 

Keep all flammable objects away from the ap-

pliance (paper, rags, plastic, polystyrene, etc.).

Do not place household appliances underneath 

the boiler as they could be damaged if the safety 

valve  intervenes  (if  not  conveyed  away  by  a 

discharge funnel), or if there are leaks from the 

connections; on the contrary, the manufacturer 

cannot be held responsible for any damage cau-

sed to the household appliances.

In the event of malfunctions, faults or incorrect 

operation, turn the appliance off immediately 

and  contact  a  qualified  technician  (e.g.  the 

Immergas After-Sales Assistance centre, which 

has specifically trained staff and original spare 

parts). Do not attempt to modify or repair the 

appliance alone. Failure to comply with the above 

implies personal responsibility and invalidates 

the warranty.
• Installation regulations: 
  - this boiler can be installed outdoors in a 

partially protected area. A partially protected 

location is one in which the appliance is not 

exposed to the direct action of the weather 

(rain, snow, hail, etc..).

  - Installation  in  places  with  a  fire  risk  is 

prohibited (for example: garages, box), gas 

appliances and relative flue ducts, flue exhaust 

pipes and combustion air intake pipes.

  - Installation is also prohibited in places/en-

vironments that constitute common parts of 

office condominiums such as stairs, cellars, 

entrance halls, attics, lofts, escape routes, 

etc. if they are not located inside technical 

compartments under the responsibility of 

each individual building and only accessible 

to the user (technical compartments and the 

appliances must be realised and installed in 

compliance with fire prevention Standards).

Important:

 Wall mounting of the boiler must 

guarantee stable and efficient support for the 

generator.

Fig. 1-1

1.2  MAIN DIMENSIONS.

The plugs (standard supply) are to be used only in 

conjunction with the mounting brackets or fixing 

template to fix the appliance to the wall; 

they only 

ensure adequate support if inserted correctly 

(according to technical standards) in walls made 

of solid or semi-hollow brick or block. In the 

case of walls made from hollow brick or block, 

partitions with limited static properties, or in any 

case walls other than those indicated, a static test 

must be carried out to ensure adequate support.

N.B.: the hex head screws supplied in the blister 

pack are to be used exclusively to fix the relative 

mounting bracket to the wall.

These boilers are used to heat water to below 

boiling temperature in atmospheric pressure.

They must be attached to a heating system sui-

table for their capacity and voltage.

Height 

(mm)

Width

(mm)

Depth

(mm)

781

440

340

CONNECTIONS

GAS

DOMESTIC

HOT WATER

SYSTEM

G

AC

AF

R

M

3/4”

1/2”

1/2”

3/4”

3/4”

Fig. 1-2

Key:

  G  -  Gas supply

 AC  -  Domestic hot water outlet

 ACV -  Solar valve kit DHW inlet (Optional)

  AF  -  Domestic cold water inlet

  R  -  System return

  M  -  System flow

  V  -  Electrical connection

 N.B.:   connection group (optional)

YES

NO

Summary of Contents for Maior Eolo 24 4E

Page 1: ...ble for any damage cau sed to the household appliances In the event of malfunctions faults or incorrect operation turn the appliance off immediately and contact a qualified technician e g the Immergas After Sales Assistance centre which has specifically trained staff and original spare parts Do not attempt to modify or repair the appliance alone Failure to comply with the above implies personal re...

Page 2: ...nt regulations in order to guarantee correct gas flow to the burner even in conditions of maximum generator output and to guarantee appliance efficiency technical specifications The coupling system must conform to standards Fuel gas quality The appliance has been desig ned to operate with gas free of impurities other wise it is advisable to fit special filters upstream from the appliance to restor...

Page 3: ...s shown in the diagram Fig 1 8 The electric con nection of the external probe must be made on clamps 38 and 39 on the boiler P C B Fig 3 2 1 5 REMOTE CONTROLS AND ROOM CHRONO THERMOSTATS OPTIONAL The boiler is prepared for the application of room chrono thermostats or remote controls which are available as optional kits All Immergas chrono thermostats are connec ted with 2 wires only Carefully rea...

Page 4: ...exhaust must be connected to its own individual flue or channelled directly into the external atmosphere The technical regulations in force must be respected Flue gas separator adjustment For correct functioning of the boiler in configuration with direct intake it is necessary to regulate the flue gas shutter according to that stated in the relative tables Fig 1 14 Cover kit assembly Fig 1 11 Remo...

Page 5: ...ried out using the relevant tables Intake diaphragm installation For correct boi lerfunctioningwithØ80separatorkitsanddrain measuring 1 m a diaphragm must be installed on the sealed chamber intake hole and before the intake pipe Fig 1 15 The choice of suitable diaphragm takes place on the basis of the type of pipe and its maximum extension this calculation can be carried out using the following ta...

Page 6: ...5 horizontal concentric kit Da 0 a 0 5 Da 0 5 a 4 6 Da 4 6 a 7 4 Ø 80 125 vertical concentric kit Da 0 a 5 4 Da 5 4 a 9 5 Da 9 5 a 12 2 Ø 80 vertical separator kit without bends Da 0 a 20 Da 20 a 40 Da 0 a 22 Da 22 a 32 Ø 80 horizontal separator kit with two bend Da 0 a 16 Da 16 a 35 Da 0 a 17 Da 17 a 28 Direct intake kit and Ø 80 drain in B22 configuration Da 0 a 1 Da 1 a 12 These maximum extensi...

Page 7: ... Terminal complete with intake exhaust vertical concentric Ø 80 125 Intake and Exhaust 33 m 2 0 m 5 5 Intake m 14 3 Exhaust m 11 0 Terminal complete with concentric vertical intake exhaust 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 horizontal intake exhaust Ø 80 125 Intake and Exhaust 39 m 2 3 m 6 5 Intake m 16 9 Exhaust m 13 Terminal...

Page 8: ... N 1 extension Fig 1 19 Max distance between vertical boiler axis and external wall is 1855mm Connection with N 2 extensions Fig 1 20 Max distance between vertical boiler axis and external wall is 2805mm Horizontal intake exhaust kit Ø 80 125 Kit assembly Fig 1 21 install the bend with flange 2 onto the central hole of the boiler inserting the gasket 1 and tighten using the screws in the kit Fit t...

Page 9: ...d The terminal Ø 60 100 can also be used for vertical exhaust in conjunction with concentric flange code 3 011141 sold separately The height between the terminal cap and half shell 374 mm must always be respected The vertical kit with this configuration can be extended up to a maximum of 4 700 mm vertical rectilinear withtheterminalincluded Fig 1 25 SeparatorkitØ80 80 TheØ80 80separatorkit allowss...

Page 10: ...ion can be calculated by using a resistance factor for each component or the equivalent length The sum of these resistance factors must not exceed 100 Temperature loss in flue ducts To prevent problems of flue gas condensate in the exhaust pipe Ø 80 due to flue gas cooling through the wall the length of the pipe must be limited to just 5 m Fig 1 29 If longer distances must be covered use Ø 80 pipe...

Page 11: ... until it is taken up to stop on the flue gas exhaust flange a situation that takes the two intake flue gas exhaust outlets to the same height Temperature loss in insulated flue ducting To prevent problems of flue gas condensate in the exhaust pipe Ø 80 due to flue gas cooling through the wall the length of the pipe must be limited to 12 m The figure Fig 1 32 illustrates a typical insulation appli...

Page 12: ...em filling via the filling valve Fig 2 2 Filling is performed at low speed to ensure rele ase of air bubbles in the water via the boiler and heating system vents The boiler has a built in automatic venting valve on the pump Check if the cap is loose Open the radiator air vent valves Close radiator vent valves only when water escapes from them Closethefillingvalvewhentheboilermanometer indicates ap...

Page 13: ...it is recommended to use the pump at maximum speed The pump is already fitted with a condenser Pump release If after a prolonged period of inactivity the circulation pump is blocked unscrew the front cap and turn the motor shaft using a screwdriver Take great care during this operation to avoid damage to the motor By pass regulation part 25 Fig 1 34 If neces sary the by pass can be regulated accor...

Page 14: ...est Polyphosphatedispenserkit Thepolyphosphate dispenser reduces the formation of lime scale and preserves the original heat exchange and domestic hot water production conditions The boiler is prepared for application of the polyphosphate dispenser kit Cover kit For outdoor installations in partially protected areas and with direct air intake the top protection cover must be fitted for a correct f...

Page 15: ...enance contract with your zone technician 2 2 GENERAL WARNINGS Never expose the wall mounted boiler to direct vapours from a cooking surface Use of the boiler by unskilled persons or children is strictly prohibited Donottouchthefluegasexhaustterminal ifpre sent due to the high temperatures it can reach For safety purposes check that the concentric air intake flue exhaust terminal if fitted is not ...

Page 16: ...erature for room central heating is managed by the external probe depending on the external temperature measured Par 1 6 The flow temperature can be modified by selecting the functioning curve via selector 1 selecting a value from 0 to 9 Fig 1 8 With external probe present the relative symbol will appear on the display 19 In the central heating phase if the temperature of the water contained in th...

Page 17: ...ler is ignited correctly and the burner flame switches off unexpectedly a new attempt at ignition is performed and if normal conditions are restored the boiler does not have to be reset If this phenomenon occurs frequently contact a qualified technician for assistance e g Immergas After Sales Technical Assi stance Service Block due to loss of continuous flame signal This occurs if the Flame signal...

Page 18: ...check that the intake and or exhaust terminals are not blocked check activation of the no air safety pressure switch ensure activation of all adjustment devices seal the gas flow rate regulation devices if settings are modified check the production of domestic hot water 3 1 HYDRAULIC DIAGRAM Fig 3 1 check sealing efficiency of water circuits check ventilation and or aeration of the instal lation r...

Page 19: ...ty thermostat It can depend on reduced water pressure in the boiler little circulation in the heating system the blocked pump or an anomaly of the boiler P C B Check on the manometer that the system pressure is within established limits Check that radiator valves are not all closed Presence of air in the system Check ope ning of the hood of the special air vent valve Fig 1 34 Make sure the system ...

Page 20: ...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 Ignition power Establishes the power at which the boiler must switch on 0 50 30 Use the DHW regulator selector 2 to select the parameter and rotate the CH regulator 1 to modify the value according to the range available With the menu active on the indicator 17 th...

Page 21: ... The boiler is set up for functioning with the relay board 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 Aquaceleris PTC control To be used on this boiler model if a three relay board is installed 0 5 0 Id Parameter ref 17 Parameter Description Range ref 21Fig 2 1 Default t0 Central heating ignitions timer T...

Page 22: ...ed in the tables Par 3 18 3 9 SLOW AUTOMATIC IGNITION FUNCTION In ignition phase the P C B supplies constant gas with pressure proportional to the parameter S4 set Fig 3 3 Key 1 Coil 2 Minimum power adjustment screw 3 Maximum power adjustment nut 4 Gas valve outlet pressure point 5 Gas valve inlet pressure point 6 Protection hood SIT 845 GAS Valve 3 6 CONVERTING THE BOILER TO OTHER TYPES OF GAS If...

Page 23: ...t Note for good functioning of the boiler the temperature selected on the solar valve must be 5 C greater with respect to the temperature selected on the boiler control panel In this condition parameter P0 DHW ther mostat must be set at 1 and the parameter P1 solar delay time at a temperature sufficient to receive water from a storage tank situated up stream from the boiler The greater the distanc...

Page 24: ...rs 2 Remove the decorative frame a from the casing c 3 Loosen the 2 front screws b for fixing the casing 4 Loosen the 2 lower screws b for fixing the casing 5 Pull the case towards yourself c 6 Push the case c upwards at the same time to release it from the upper hooks Installation drawings key Unmistakeable component identification Sequential identification of the operation to perform a 1 1 3 3 2...

Page 25: ...167 GR CZ HU ES IE PT Fig 3 5 4 4 5 6 6 d d c ...

Page 26: ...9 63 98 2 1 12 13 57 138 4 12 0 10320 1 42 3 62 36 9 1 06 8 44 86 0 1 04 11 93 121 7 11 0 9460 1 31 3 11 31 7 0 98 7 31 74 6 0 96 10 35 105 6 10 0 8600 1 20 2 63 26 9 0 89 6 26 63 8 0 88 8 83 90 0 9 3 7998 1 12 2 32 23 7 0 84 5 57 56 8 0 82 7 79 79 4 8 0 6880 D H W 0 97 1 79 18 2 0 73 4 37 44 6 0 71 5 93 60 5 7 0 6020 0 86 1 42 14 5 0 64 3 54 36 1 0 63 4 57 46 6 METHANE G20 BUTANE G30 PROPANE G31 ...

Page 27: ...89 88 METHANE G20 BUTANE G30 PROPANE G31 HEAT OUTPUT HEAT OUTPUT TIMER D H W BURNER GAS FLOW RATE PRESS NOZZLES PRESSURE BURNER GAS FLOW RATE PRESS NOZZLES PRESSURE BURNER GAS FLOW RATE PRESS NOZZLES PRESSURE kW kcal h m3 h mbar mm H2 O kg h mbar mm H2 O kg h mbar mm H2 O 32 0 27520 3 62 12 31 125 6 2 70 27 63 281 7 2 66 35 37 360 6 31 0 26660 3 51 11 68 119 1 2 62 26 05 265 6 2 58 33 48 341 4 30 ...

Page 28: ... 0 50 Heat loss at flue with burner On Off 6 0 0 02 5 60 0 06 6 30 0 04 Central heating circuit max operating pressure bar 3 0 3 0 3 0 Central heating circuit max operating 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 8 0 Expansion vessel factory set pressure bar 1 0 1 0 1 0 Water content in generator l 5 0 4 5 4 0...

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Page 30: ...www immergas com This instruction booklet is made of ecological paper Cod 1 028662 Rev 15 031977 000 02 10 ...

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