Radiant R2KA 28/20 Kurzanleitung

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

Installation, Use

and Maintenance Manual

for model

0476

Condensing boiler with integrated heat

exchanger for domestic hot water side

and storage

R2KA 28 /20

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

R2KA 28.20_EN

SUMMARY

INTRODUCTION 4

1. INSTALLER SECTION 7

1.1. INSTALLATION 8

1.1.1. GENERAL INSTALLATION WARNINGS 8

1.1.2. BOILER LOCATION ENVIRONMENTAL REQUIREMENTS 8

1.1.3. REFERENCE LEGISLATION 9

1.1.4. UNPACKING 10

1.1.5. OVERALL DIMENSIONS 11

1.1.6. JIG 11

1.1.7. POSITIONING AND MINIMAL TECHNICAL SPACES 12

1.1.8. CIRCULATOR PREVALENCE/FLOW DIAGRAM 13

1.1.9. HYDRAULIC CONNECTION 14

1.1.10. D.H.W. CIRCULATING LOOP 15

1.1.11. SYSTEM FILLING 16

1.1.12. FILLING THE CONDENSATE COLLECTION SIPHON 17

1.1.13. ANTI-FREEZE PROTECTION 18

1.1.14. GAS CONNECTION 19

1.1.15. ELECTRICAL CONNECTION 19

1.1.16. POWER SUPPLY 20

1.1.17. OPTIONAL ELECTRICAL CONNECTIONS 21

1.1.18. FUME EXHAUST FITTINGS 23

1.1.19. INSTALLATION MODES 24

1.1.20. TYPES OF FUME EXHAUST SYSTEMS 26

2. SUPPORT CENTRE SECTION 29

2.1. FIRST START-UP 30

2.1.1. PRELIMINARY OPERATIONS FOR FIRST START-UP 30

2.1.2. BOILER COMMISSIONING 31

2.1.3. CO2 VALUE CHECK AND CALIBRATION 32

2.1.4. ACCESSING AND PROGRAMMING THE PARAMETERS 33

2.1.5. DIGITECH CS PARAMETERS TABLE 35

2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM 42

2.2. MAINTENANCE 43

2.2.7. GENERAL MAINTENANCE WARNINGS 43

2.2.8. TECHNICAL DATA 45

2.2.9. TECHNICAL ASSEMBLY 50

2.2.10. HYDRAULIC BOARD 51

2.2.11. 3-WAY VALVE OPERATION 52

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

R2KA 28.20_EN

SUMMARY

2.2.12. WIRING DIAGRAM 53

2.2.13. ACCESSING THE BOILER 54

2.2.14. ACCESSING THE ELECTRONIC BOARD 55

2.2.15. SYSTEM EMPTYING 56

2.2.16. BOILER MAINTENANCE 57

2.2.17. FAULT SIGNALLING CODES 58

2.2.18. ACTIVE FUNCTIONS SIGNALLING CODES 61

2.2.19. GAS TYPE TRANSFORMATION 62

3. USER SECTION 63

3.1. USE 64

3.1.1. GENERAL USE WARNINGS 64

3.1.2. CONTROL PANEL 65

3.1.3. DISPLAY ICONS 66

3.1.4. INFO MENU DISPLAY DATA 67

3.1.5. START-UP 68

3.1.6. OPERATING MODE 68

3.1.7. INFORMATIONAL NOTE ON ANTI-FREEZE FUNCTION 69

3.1.8. SYSTEM FILLING 70

3.1.9. FAULT SIGNALLING CODES 71

3.1.10. ACTIVE FUNCTIONS SIGNALLING CODES 73

3.1.11. MAINTENANCE 74

3.1.12. COVER CLEANING 74

3.1.13. DISPOSAL 74

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

_Prefazione_EN

INTRODUCTION

WARNING

Before starting any operation it is mandatory to

read this instruction manual, in relation to the

activities to be carried out as described in each

relevant section. Proper operation and optimal

performance of the boiler are ensured by strict

compliance with all the instructions given in this

manual.

The installation, use and maintenance manual is

an integral and essential part of the product and

must be delivered to the user.

MANUAL USERS

The manual users are all those who install, use

and maintain the boiler.

The boiler must be used and accessed only by

qualified operators that fully read and understood

the use and maintenance manual, paying particular

attention to the warnings.

READING AND SYMBOLS OF THE MANUAL

To ease the understanding of this manual,

recurrent symbols where used, in particular:

› On the outer margin of the page is placed a

thumb index indicating the type of user to which

the instructions in that section address.

› The titles are differentiated by thickness and

size in accordance with their hierarchy.

› The images contain important parts described

in the text, marked with numbers or letters.

› (See chap “chapter name”): this entry indicates

another section in the Manual that you should

refer to.

› Device: this term is used referring to the boiler.

DANGER

It identifies an information related to a

general danger that if not complied with, may cause

serious personal damage or even death.

ATTENTION

It identifies an information that if not

complied with may cause small or medium level

lesions to the person or serious deterioration to the

boiler.

WARNING

It identifies a precaution information that

must be observed in order to avoid damaging the

machine or parts of it.

MANUAL STORAGE

The manual must be carefully stored and replaced

in case of deterioration and/or low legibility.

If you misplace the use and maintenance manual,

you can request it from the Technical Support

Centre giving the serial number and model of the

boiler indicated on the plate placed on the right

side of its casing.

As an alternative, the use and maintenance manual

can be downloaded free from the on-line site www.

radiant.it, accessing the “download” section and

entering the boiler model.

INTRODUCTION

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

_Prefazione_EN

1 .

MANUFACTURER WARRANTY AND

RESPONSIBILITY

The warranty of the Manufacturer is provided only

through its own authorized Technical Support

Centres, listed for each Region and Provence on

the site www.radiant.it, and covers all conformity

defects at the moment of sale.

The technical and functional features of the device

are ensured by its use in compliance:

1. with the use and maintenance instructions

contained in the manuals accompanying the

product, the content of which the customer

certifies that he is aware;

2. with the conditions and purposes to which

assets of the same type are intended.

For more information on the warranty validity,

its duration, the obligations and the exemptions,

please consult the First start-up certificate

attached to this manual.

The manufacturer reserves:

› the right to modify the tools and relative

technical documentation without any obligation

to third parties; neither will the company be

held responsible for any inaccuracies in this

handbook deriving from printing or translation

errors;

› the material and intellectual ownership of

this manual and forbids its distribution and

duplication, even partial, without prior written

authorization.

PRODUCT CONFORMITY

RADIANT BRUCIATORI spa declares that its gas

boilers comply with the European Directives and

with the requirements provided in the European

standards below:

› Eco-design Directive 2009/125 CE,

› Energy labeling Directive 2010/30/CE,

› EU regulation 811/2013,

› EU regulation 813/2013,

› Gas Directive 2009/142/CE,

› Electromagnetic compatibility Directive

2014/30/CE,

› Performance Directive 92/42/CE,

› Low voltage Directive 2014/35/CE.

The materials used such as copper, brass,

stainless steel create a homogeneous, compact

and functional assembly, easy to install and

manage. In its simplicity, the boiler is equipped

with all accessories necessary to render it a

veritable independent heating unit. All boilers

are tested and delivered with a quality certificate

signed by the tester.

INTRODUCTION

The installation operations described in this section should

be performed only by qualified personnel, having the

appropriate technical training in the field for the installation

and maintenance of components of civil and industrial

domestic hot water production and heating plants.

1. INSTALLER SECTION1. INSTALLER SECTION

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

1Avvertenzegeneraliperl'installazione_Localecaldaia_cond_EN

1. INSTALLATION

INSTALLER

1.1. INSTALLATION

1.1.1. GENERAL INSTALLATION

WARNINGS

ATTENTION

This machine may be used only for the

purpose for which it has been designed: heat water

to a temperature below boiling point at atmospheric

pressure. Any other use is considered wrong and

dangerous. The manufacturer is excluded from

any contractual or out of contract responsibility for

damage caused to people, animals or property due

to errors during installation.

ATTENTION

This boiler should be installed only

by qualified personnel, having the appropriate

technical training in the field for the installation and

maintenance of components of civil and industrial

domestic hot water production and heating plants.

ATTENTION

After having removed the packing, make

sure the equipment is intact. In case of doubt, do not

use the equipment and contact the supplier.

BEFORE INSTALLING THE BOILER, THE

INSTALLER MUST MAKE SURE THAT THE

FOLLOWING CONDITIONS ARE MET:

› The device is connected to a heating plant and a

water supply network appropriate for its power

and performance.

› The location must be properly vented through

an air vent.

› The air vent must be placed at floor level to

prevent it from being obstructed, protected by

a grid that does not hamper the useful section

of passage.

› The device is suitable for use with the type of

gas available by checking the boiler data plate

(placed on the inner side of the front casing.

› Make sure that the tubes and couplings are

perfectly sealed, without any gas leaks.

› Make sure that the grounding system works

properly.

› Make sure that the electrical systems is

suitable for the maximum power absorbed by

the equipment, value indicated on the data plate.

WARNING

Use only original RADIANT optional or kit

accessories (including electrical).

1.1.2. BOILER LOCATION

ENVIRONMENTAL

REQUIREMENTS

The device's installation location should be vented

due to the presence of threaded joints on the gas

adduction line. The location should be therefore

provided with vents as to ensure air exchange,

with output grid in the natural accumulation area

of eventual gas losses.

WARNING

DO NOT install the boiler in a technical

compartment near a swimming pool or a laundry, to

avoid that the combustion air is exposed to chlorine,

ammonia or alkaline agents that may worsen the

corrosion phenomenon of the heat exchanger. Failure

to observe this caution will void the warranty of the

heat exchanger.

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

1Avvertenzegeneraliperl'installazione_Localecaldaia_cond_EN

1. INSTALLATION

INSTALLER

WARNING

If the temperature in the boiler installation

location goes below -10° centigrades, please fill

the plant with anti-freeze liquid and insert and

electrical resistances kit (see chapter ‘ANTI-FREEZE

PROTECTION’).

WARNING

The manufacturer will not be held

responsible for damages caused by incorrect

installation not in conformity with the over mentioned

instructions and not protected adequately from the

freeze.

1.1.3. REFERENCE LEGISLATION

The installation must be realized according to

the requirements of current legislation and in

compliance with local technical regulations,

according to the indications of the good technique.

R2KA 28 /20 - RAD - ING - Manuale - 1806.1_SK.2

1 Disimballo_murale_EN

1. INSTALLATION

INSTALLER

1.1.4. UNPACKING

WARNING

Please unpack the boiler just before

installing it. The Company is not responsible for

the damages caused to the device due to incorrect

storage.

WARNING

The packing elements (cardboard box,

wooden crate, nails, fasteners, plastic bags, expanded

polystyrene, etc.) must be kept out of the reach of

children as they may be dangerous. Therefore they

should be dismantled suitably differentiating them in

accordance with the standards in force.

To unpack the boiler, proceed as follows:

› Place the packed boiler on the floor (fig. 1-A)

and remove the fasteners opening the four flaps

of the box outwards.

› Turn the boiler at 90° holding it with your hand

(fig. 1-B).

› Lift the box (fig. 1-C) and remove the guards (fig.

1-D).

fig. 1

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