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Immergas S.p.A. declines all liability due to printing or transcription errors, reserving the right to make any modifications to its technical and commercial 

documents without prior notice.

Dear Customer,

Our compliments for having chosen a top-quality Immergas product, able to assure well-being and safety for a long period of time.

 

As an Immergas customer 

you can also count on a qualified after-sales service, prepared and updated to guarantee constant efficiency of your water heater. Read the following pages 

carefully: you will be able to draw useful suggestions regarding the correct use of the appliance, the respect of which, will confirm your satisfaction for the 

Immergas product.
For assistance and scheduled maintenance contact Authorised After-Sales centres: they have original spare parts and are specifically trained directly by the 

manufacturer. 

General recommendations

All Immergas products are protected with suitable transport packaging. 
The material must be stored in dry environments protected against bad weather.
The instruction book is an integral and essential part of the product and must be consigned to the new user also in the case of transfer or succession of ownership.
It must be stored with care and consulted carefully, as all of the warnings provide important safety indications for installation, use and maintenance stages.
This instructions manual provides technical information for installing Immergas water heaters. As for the other issues related to water heater installation (e.g. 

safety in the work site, environment protection, injury prevention), it is necessary to comply with the provisions of the regulations in force and the principles 

of good practice.
Installation and maintenance must be performed in compliance with the regulations in force, according to the manufacturer's instructions and by an authorised 

company, which has specific technical expertise in the system sector, as required by Law.
Improper installation or assembly of the Immergas appliance and/or components, accessories, kit and devices can cause unexpected problems to people, animals 

and objects. Read the instructions provided with the product carefully to ensure a proper installation.
Maintenance must be carried out by an authorised company. The Authorised After-sales Service represents a guarantee of qualification and professionalism.
The appliance must only be destined for the use for which it has been expressly declared. Any other use will be considered improper and therefore potentially 

dangerous. 
If errors occur during installation, operation and maintenance, due to non compliance with technical laws in force, standards or instructions contained in this 

book (or however supplied by the manufacturer), the manufacturer is excluded from any contractual and extra-contractual liability for any damages and the 

appliance warranty is invalidated. 
For further information regarding legislative and statutory provisions relative to the installation of gas heat generators, consult the Immergas site at the 

following address: www.immergas.com.

Mauro Guareschi

Research & Development Director

Signature:

CE DECLARATION OF CONFORMITY

 (according to ISO/IEC 17050-1)

The company 

IMMERGAS S.p.A.

, with registered office in via Cisa Ligure 95 42041 Brescello (RE) whose design, manufacturing, and after sale assistance 

processes comply with the requirements of standard 

UNI EN ISO 9001:2008

,

DECLARES that:

JULIUS 11 4 ERP AND 14 4 ERP water heaters comply with the following European Directives and Delegated European Regulations: 

“Eco-design” Directive 2009/125/EC, “Energy labelling” Directive 2010/30/EC, EU Regulation 812/2013, EU Regulation 814/2013, “Gas Appliance” 

Directive 2009/142/EC.

Summary of Contents for JULIUS 11 4 ERP

Page 1: ...JULIUS 11 4 ERP JULIUS 14 4 ERP EN Instruction and recommendation booklet 1 038493ENG ...

Page 2: ......

Page 3: ...in compliance with the regulations in force according to the manufacturer s instructions and by an authorised company which has specific technical expertise in the system sector as required by Law Improper installation or assembly of the Immergas appliance and or components accessories kit and devices can cause unexpected problems to people animals and objects Read the instructions provided with t...

Page 4: ...ription of the anomalies 10 2 7 Switching off the water heater 10 2 8 Replacing the batteries 10 2 9 Emptying the water heater 10 2 10 Protection against freezing 10 2 11 Case cleaning 10 2 12 Decommissioning 10 3 Checks and maintenance 11 3 1 Hydraulic diagram 11 3 2 Wiring diagram 12 3 3 Troubleshooting 12 3 4 Converting the water heater to other types of gas 12 3 5 Possible adjustments 12 3 6 Y...

Page 5: ...r incorrect operation turn the appliance off and contact an authorised company e g the Authorised Tech nical Assistance centre which has specifically trained staff and original spare parts Do not attempt to modify or repair the appliance alone Failuretocomplywiththeaboveimpliespersonal responsibility and invalidates the warranty Installation regulations Julius water heaters cannot be installed in ...

Page 6: ...the water heater Water connec tions must be made in a rational way following the set up of the water heater couplings on the Attention to preserve the duration and the ef ficiency features of the appliance in the presence of water whose features can lead to the deposit of scale installation of the polyphosphate dispenser kit is recommended 1 5 ELECTRIC POWER SUPPLY This water heater is powered by ...

Page 7: ...e case of repeated interventions of the fumes exhaust control device check the fumes exhaust flue and the ventilation of the room in which the water heater is located 1 9 GAS SYSTEM START UP To start up the system refer to the technical standard in force This divides the systems and therefore the start up operations into three categories new systems modified systems re activated systems In particu...

Page 8: ... 4 Ignition electrode 5 Ignition and flame control P C B 6 battery compartment 7 Connection pipe pressure point 8 Chimney safety thermostat 9 Overheating safety thermostat 10 Valve burner pipe pressure point 11 Gas selector 12 Temperature selector switch 13 DHW heat exchanger 14 Combustion chamber 15 Burner 16 Water gas valve ...

Page 9: ...at can put the room into de pression at the same time as the water heater un less there are additional openings dimensioned in a way to satisfy the further necessity for air For the dimensioning of these additional open ings refer to qualified technical staff and to current technical Attention using any components that use electrical power requires some fundamental rules to be observed never pull ...

Page 10: ...r to the hydraulic connections To replace the bat teries open the relevant compartment by pulling the lid down and removing the batteries present Insert the new batteries respecting the polarities indicated on the internal wall of the lid itself N B only use new LR20 1 5V alkaline batter ies Dispose of the batteries replaced according to the indications supplied by the manufacturer Do not use re c...

Page 11: ...1 Overheating safety thermostat 2 Valve burner pipe pressure point 3 Valve intake diaphragm 4 Connection pipe pressure point 5 Chimney safety thermostat 6 Fumes hood 7 DHW heat exchanger 8 Pilot group 9 Burner 10 Water gas valve AC Domestic hot water outlet AF Domestic cold water inlet G Gas supply ...

Page 12: ... CONVERTING THE WATER HEATER TO OTHER TYPES OF GAS If the appliance has to be converted to a differ ent gas type to that specified on the data plate request the relative conversion kit for quick and easy conversion The gas conversion operation must be carried out by an authorised company e g Authorised Technical After Sales Service 3 5 POSSIBLE ADJUSTMENTS Regulation of the water heater heat outpu...

Page 13: ...casing can be completely removed as follows 1 Loosen the lower screws a that fix the lower protection grid b and the casing c 2 Release the casing c from the lower brackets d pulling the sides slightly outwards 3 Pull the casing towards you in the lower side 4 Push the casing upwards in a way to be able to extract it from the upper hooks e ...

Page 14: ...89 3 8 5 7310 1 04 1 80 18 4 0 78 5 60 57 1 0 76 7 04 71 8 7 8 6708 0 95 1 40 14 3 0 71 4 70 47 9 0 70 5 90 60 2 METHANE G20 BUTANE G30 PROPANE G31 THERMAL POWER THERMAL POWER BURNER GAS FLOW RATE PRESS BURNER NOZZLES BURNER GAS FLOW RATE PRESS BURNER NOZZLES BURNER GAS FLOW RATE PRESS BURNER NOZZLES kW kcal h m3 h mbar mm H2 O kg h mbar mm H2 O kg h mbar mm H2 O 24 4 20984 2 89 11 30 115 2 2 15 2...

Page 15: ...at Q Nom Min mg kWh 205 135 270 149 235 142 Flue temperature at nominal output C 183 189 184 Flue temperature at minimum output C 126 130 126 Julius 14 4 ErP Gas nozzle diameter mm 1 35 0 80 0 80 supply pressure mbar mm H2 O 20 204 29 296 37 377 Pilot nozzle diameter mm 0 26 0 22 0 22 Gas cone seats mm 9 0 9 0 9 0 Gas cone inlet code 0855 0881 0881 Gas cone outlet code 0863 0884 0884 Gas inlet val...

Page 16: ... temperature of 15 C The data relevant to domestic hot water per formance refer to a dynamic inlet pressure of 2 bar and an inlet temperature of 15 C the values are measured directly at the water heater outlet considering that to obtain the data declared mixing with cold water is necessary The max sound level emitted during water heater operation is 55 dBA The sound level value is referred to semi...

Page 17: ...uel consumption for the domestic hot water function AFC 7 GJ Water heating energy efficiency ηwh 66 Parameter value Annual fuel consumption for the domestic hot water function AFC 12 GJ Water heating energy efficiency ηwh 76 For proper installation of the appliance refer to chapter 1 of this booklet for the installer and current installation regulations For proper maintenancerefertochapter3ofthisb...

Page 18: ...lect the actual energy efficiency after installation since such efficiency is affected by additional factors such as the heat loss in the distribution system and the size of the products compared to the size and features of the building Facsimile for filling in domestic hot water production system package fiche 3 13 PARAMETERS FOR FILLING IN THE PACKAGE FICHE Should you wish to install an assembly...

Page 19: ...4 35 36 36 37 38 40 39 50 55 60 65 75 80 85 100 115 123 131 130 150 160 170 163 188 200 213 M L XL XXL 3 2 3 2 The energy efficiency of the set of products indicated in this sheet may not reflect the actual energy efficiency after installation since such efficiency is affected by additional factors such as the heat loss in the distribution system and the size of the products compared to the size a...

Page 20: ...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 038493ENG rev ST 002036 000 09 15 Inglese per IRLANDA IE ...

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