Unical EVE 05 RTN 24 Kurzanleitung

EVE 05

RTN 24 - RTFS 24

CTN 24 F - CTFS 24 F

CTN 24 - CTFS 24

00332243 - 3rd edition - 10/2010

INSTALLATION USE

AND MAINTENANCE

English

General info

IMPORTANT

This INSTRUCTION MANUAL, which is an integral and indispensable part of the product, must be handed over to the user by the plumbers and

must be kept in a safe place for future reference. The manual must be handed over with the boiler should it be sold or transferred.

This boiler must be used for the purposes for which it has been designed. Any other use shall be considered incorrect and therefore

dangerous.

The boiler must be installed in compliance with applicable laws and standards and according to the manufacturer’s instructions given in this

manual. Incorrect installation may cause injury to persons and/or animals and damage to property.The manufacturer shall not be held liable for any

such injury and/or damage.

Damage and/or injury caused by incorrect installation or use and/or damage and/or injury due to non-observance of the manufacturer’s instructions

shall relieve UNICAL from any and all contractual and extracontractual liability.

Before installing the boiler, check that the technical data correspond to requirements for its correct use in the system.

Check that the boiler is intact and that it has not been damaged during transport and handling. Do not install equipment which is patently damaged

and/or faulty.

Do not obstruct the air suction and/or heat dissipation grates.

Only original accessories must be used for all boilers supplied with optionals or kits (including electrical ones).

Dispose of the packaging with care as all the materials can be recycled. The packaging must therefore be sent to specific waste management

sites.

Keep the packaging out of the reach of children as it may represent a choking and suffocation hazard.

In the event of failure and/or faulty functioning, switch off the boiler. Do not attempt to make repairs: contact qualified technicians.

Original parts must be used for all repairs to the boiler.

Non-observance of the above requirement may jeopardize the safety of the boilers and expose people, animals and property to danger.

To guarantee efficiency and correct functioning of the equipment it is legally binding to service the boilers once a year according to

the schedule indicated in the relative section of this manual.

In the event of long periods of inactivity of the boiler, disconnect it from the power mains and close the gas tap (Warning! In this case the boiler’s

electronic anti-freeze function will not be operative).

Should there be a risk of freezing, add anti-freeze: it is not advisable to empty the system as this may result in damage; use specific anti-freeze

products suitable for multi-metal heating systems.

N.B.

IF YOU SMELL GAS:

- do not turn on or off electrical switches and do not turn on electrical appliances;

- do not ignite flames and do not smoke;

- close the main gas tap;

- open doors and windows;

- contact a Service Centre, qualified installer or the gas supply company.

Never use flames to detect gas leaks.

WARNING

This boiler has been built for installation in the country indicated on the technical data plate: installation in any other country may be a source

of danger for people, animals and property.

Read the warranty conditions and clauses on the warranty certificate attached to the boiler with care.

‘’WATER TREATMENT IN C.H. SYSTEM FOR CIVIL USE’’

NOTE FOR INSTALLER AND USER

1) The frequency of the cleaning of the D.H.W. heat exchanger is related to the hardness of the feeding water.

2) With a water hardness higher than 14°f the use of antiscaling devices, whose choice will be made on the base of water characteristics, is

suggested.

3) To increase the resistance to the scaling, a D.H.W. temperature adjustment very close to that one of the actual use, is suggested.

4) The adoption of a modulating room thermostat reduces the scaling danger.

5) We advise you to verify the state of cleaness of the D.H.W. heat exchanger at the end of the first year and subsequently every two years.

Users easy guide

REMEMBER:

• Periodically check the water pressure into the boiler.

• Ascertain to be able to turn OFF the appliance in case of emergency (power, gas and water

supply).

• Make sure to be familiar with the switching ON and OFF and with the temperature adjusting

knobs.

• The user is not allowed to remove the casing and get access to the internal parts of the boiler.

• Don’t hang dresses, …..etc. to the boiler.

• Don’tforgettoplantheannualmaintenance

INFORMATION FOR YOUR SAFETY

• GAS LEAK

Don’t switch on the appliance if there is a suspicion of gas leak.

Contact IMMEDIATELYthe technical personnel.

DON’T SEEK GAS LEAKS WITH NAKED FLAMES!!

• LACK OF WATER

If the pressure decreases repeatedly below the minimum operational pressure it means that

there is a lack of water in the heating circuit. Contact the technical personnel for an

inspection to the system.

°C

Toputagaintheboiler inoperation,it willbeneces-

sary to press the button.

In case the boiler goes frequently into lockout po-

sition,contact the service technician.

Reset

push

button

Display

• LOCKOUT

The function of this symbol is to indicate that the burner is in lockout position, due to a lack

of gas (check if the gas cock is open) or to a non detected ignition.

GAS VALVE LABEL

00331980

Users easy guide

Reset

push button Central heating

temperature adjusting

knob

Domestic Hot Water

temperature adjusting

knob

Manometer

CONTROLS

HOW TO START THE BOILER

- Swicth ON the boiler through the external switch.

- Check if a room thermostat or a chronothermostat is fitted and set it on heat request.

MAX

MAXMIN

Set the Central

Heating tempera-

ture knob into the

range shown in

the figure

Set the Domestic

Hot Water tempera-

ture knob into the

range shown in the

figure

By adjusting the Domestic Hot Water

temperature to the real required tem-

perature, you will avoid to mix hot wa-

ter with cold water, in this way reduc-

ingboththeboileroperationcostsand

the scaling formation.

Winter operation

(Central Heating + Domestic Hot Water) for C models

(Central Heating only) for R models

Summer operation

(Domestic Hot Water only) for models C

MAX

Set the Central

Heating tempera-

ture knob to the

symbol

MAXMIN

Set the Domestic

Hot Water tempera-

ture knob into the

range shown in the

figure

°C

The display indicates that the boiler

is in Central Heating mode and the

flow temperature is 63°C.

The display indicates that the boiler

is in Domestic Hot Water mode and

the water temperature is 38°C.

HOW TO ADJUST THE BOILER

MAX

MAXMIN

°C

MAX MAXMIN

EVE

Display

Users easy guide

HOW TO SET THE WATER PRESSURE INTO THE SYSTEM

The water pressure into the system has to be checked periodically, in order to be sure of the boiler

correct operation. The manometer arrow has to be above 0.8/1 bar when the boiler is switched off

or in stand-by position. The boiler lock-out due to lack of water is displayed with the failure code

(low Pressure). In order to see this code, once the boiler is in lock-out and the symbol

appears, push the reset push-button.

Inorder toincreasethe water pressureintothe system,openthe fillingvalve(black) undertheboiler;

when the pressure indicated on the manometer is between 0.8 and 1 bar, close the filling valve.

CLEANING

For the simple cleaning use a dry cloth. To remove hard blots, clean with a wet cloth and wipe with

a dry cloth. DO NOT USE abrasive products.

ANTIFROST PROTECTION

The boiler is equipped with an antifrost system that operates au-

tomatically when the boiler water temperature decreases under

6°C:the burner andthepump are automaticallyputinto operation

until the Central Heating system water temperature reaches

16°C.This protection is active only if the boiler is electrically

feeded.

MAX

MAXMIN

HOW TO SWITCH-OFF THE BOILER

For short periods: Rotate the knob “B” in position

For long periods: Cut off the electrical and gas supply.

°C

Position during

water pressure

setting

Standard posi-

tion during

operation

Set the Central Heating and

Domestic Hot Water temperature

knobs to the symbol shown in the

figure. For R version boilers only knob

B is there.

General info

DATA PLATE

LEGEND:

1 = CE Surveillance notify body

2=Boiler type

3=Boiler model

4=Number of stars (Directive 92/42/CEE)

5=(S.N°) Serial number

6=P.I.N. code

7=Approved fluing configurations

8=(N0x) N0x class

A = Central Heating circuit features

9=(Pn) Nominal output

10 = (Pcond) Condensing nominal output

11 = (Qmax) Nominal heat input

12 = (Adjusted Qn)Adjusted for nominal Heat input

13 = (PMS) Max. pressure C.H. system

14 = (T max) Max. C.H. temperature

B = Domestic Hot Water circuit features

15 = (Qnw) Nominal heat input in D.H.W. mode (if different from Qn)

16 = (D) Specific D.H.W. flow rate according to EN 625 - EN 13203-1

17 = (R factor) N° taps based on the quantity of water declared EN

13203-1

18 = (F factor) N°stars based on the quality of water declared

EN 13203-1

19 = (PMW) Max. pressure D.H.W. system

20 = (T max) Max. temperature D.H.W system

C = Electrical features

21 = Electrical power supply

22 = Consumption

23 = Protection grade

D = Countries of destination

24 = Direct and indirect country of destination

25 = Gasfamily

26 = Supply pressure

E = Factory setting

27 = Adjusted for gas type X

28 = Space for national brands

CEMarking

- TheCEmarkingdocumentsthattheboilerssatisfy:

- TheessentialrequirementsoftheDirectiveregardinggasappliances(Directive

90/396/CEE)

- TheessentialrequirementsoftheDirectiveregardingelectromagneticcompatibility

(Directive89/336/CEE)

- TheessentialrequirementsoftheEfficiencyDirective(Directive92/42/CEE)

- TheessentialrequirementsofthelowvoltageDirective(Directive73/23/CEE)

7 8

21 22

24 25 26

C D

General info

For your own safety, observe these safety instructions.:

PLEASE NOTE:

User tip for the optimum utilisation

and setting of the control(s) plus

usefulinformation.

WARNING

from risk of electric shock.

WARNING

Identifies potentially dangerous

situations.

User easy guide

................................................................ pag. 4-6

TECHNICAL FEATURES

AND DIMENSIONS ........................................................... pag. 8

1.1 Technical features ................................................................... pag. 8

1.2 Dimensions .............................................................................. pag. 8

1.3 Hydraulic circuits ..................................................................... pag. 9

1.4 Technical data ......................................................................... pag. 12

1.5 Main characteristics ................................................................ pag. 12

DIRECTIONS FOR

INSTALLERS......................................................................... pag. 13

2.1 Installations rules .................................................................... pag. 13

2.2 Installation ............................................................................... pag. 13

2.2.1 Packing ....................................................................... pag. 13

2.2.2 Positioning the boiler .................................................. pag. 14

2.2.3 Assembling the boiler ................................................. pag. 15

2.2.4 Ventilation ................................................................... pag. 15

2.2.5 Flue gas discharge system ........................................ pag. 15

2.2.6 Discharge and suction pipe configuration .................. pag. 17

2.2.7 Positioning of terminals for type C boilers .................. pag. 18

2.2.8 Smoke evacuation Ø80 air suction flange .................. pag. 19

2.2.9 Discharge of flue gas into coaxial ducts with a

diameter of 100/60 mm (Type A accessories) ........... pag. 20

2.2.10 Flue gas discharge and air suction with separate

pipes with 80 mm diameter ........................................ pag. 21

2.2.11 Measurements of combustion efficiency ................... pag. 23

2.2.12 Connection to the gas mains ...................................... pag. 24

2.2.13 Hydraulic connection .................................................. pag. 24

2.2.14 Electrical connection ................................................. pag. 26

2.2.15 Jumper location ......................................................... pag. 26

2.3 Wiring diagram ........................................................................ pag. 27

2.3.1 Pratical connection diagram ..................................... pag. 27

2.4 Filling the system ................................................................... pag. 28

2.5 Starting the boiler ................................................................... pag. 28

2.6 Adjusting the burner ............................................................... pag. 29

2.7 Modification of other gases ................................................... pag. 30

2.8 Failure code ............................................................................ pag. 31

USERS' INSTRUCTION ............................................... pag. 33

3.1 Control panel ........................................................................... pag. 33

3.2 Switching on/off ....................................................................... pag. 34

3.3 Antifrost protection .................................................................. pag. 35

3.4 Important suggestion and notes ............................................. pag. 35

Installation info

1TECHNICAL FEATURES AND DIMENSIONS

•Pump anti-jamming function;

•Pump over run function;

•High limit thermostat (95°C);

•Three-speed circulating pump;

•Expansion vessel;

•Automatic air vent;

•C.H. system water filling valve;

•Safety pressure switch for low water level;

•Priority flow switch for D.H.W.;

•Tap water flow rate restrictor set at 12

litres/min.

•Control panel with IP X4D insulation pro-

tection

•Manometer;

•Warning light for: presence of power, re-

quest for heating, burner in operation, lock

out, by the display

•D.H.W. temperature selector (35/57°C) for

EVE 05 CTN 24 F - CTFS 24 F - CTFS 24

CTN 24 ;

•C.H. temperature selector (45/78°C) + sum-

mer/winter position.

•Reset push button / Chimney sweeper but-

ton / Error codes visualization / Thermo-

meter

•Paper mounting jig for connections predi-

sposition

•Mounting jig opt.

•Flue gas antispillage thermostat (EVE 05

TN)

1.1 -TECHNICAL FEATURES

EVE 05 is a wall hung gas boiler with built-in

atmospheric gas burner; it is available in the

following versions:

24 with 24 kW output;

Cwith instantaneous D.H.W.

production;

Rfor heating only;

TN with natural draught open chamber;

TFS with forced draught room sealed

combustion chamber;

All versions have electronic ignition.

Models in the EVE 05 series are the following:

EVE 05 CTN 24 F open boiler, with electronic

ignition and instantaneous D.H.W. produc-

tion;

EVE 05 RTN 24 open boiler, with electronic

ignition, for heating only;

EVE 05 CTFS 24 F forced draught room se-

aled boiler, with electronic ignition and in-

stantaneous D.H.W. production;

EVE 05 RTFS 24 forced draught room sea-

led boiler, with electronic ignition for heating

only;

EVE 05 CTN 24 open boiler, with electronic

ignition and instantaneous D.H.W. produc-

tion with DHW plates heat exchanger

EVE 05 CTFS 24 forced draught room sea-

led boiler with electronic ignition and instan-

taneous D.H.W production with DHW plates

heat exchanger

EVE 05 is supplied with all control and safety

devices according to the latest laws in for-

ce.

The main technical features of the EVE 05

boilers are summarised below.

•Bithermal, copper, high performance heat

exchanger (CTN 24F - CTFS24F);

• Plates heat exchanger for the DHW pro-

duction (CTN 24 – CTFS 24)

•Electronic ignition;

•Electronic flame modulation;

•Minimum output control;

•Electronic control of ignition ramp;

•Anti-freeze function;

fig. 1

1.2 - DIMENSIONS

420

700

123 87 120 90

152

107

43 56 60 70 61131

CFGRM

C.H. system flow

D.H.W. outlet

Gas inlet

D.C.W. inlet

C.H. system return

Filling valve

Heating circuit safety valve

Boiler drain cock

view from above

view from below

310

Installation info

fig. 3

EVE 05 CTN 24 F

EVE 05 CTFS 24 F

fig. 2

CF G R

10 11

CF G

23 RM

1.3 - HYDRAULIC CIRCUIT

1 Flow switch - Cold water filter

2 D.H.W. flow restrictor

3 Gas valve

4 D.H.W. temperature sensor

5 Burner nozzles

6 Ionisation/Ignition electrode

7 Burner

8 Bithermal heat exchanger

9 H.L. thermostat

10 Flue gas manifold/down-draught

diverter

11 Flue gas anti-spillage thermostat

12 Expansion vessel inflating valve

13 Expansion vessel

14 Automatic air vent

15 Circulating pump

16 C.H. temperature sensor

17 Minimum water pressure switch

18 By-pass (unadjustable)

19 Boiler drain cock

20 Heating circuit safety valve

21 Filling valve

C D.H.W. outlet

F D.C.W. inlet

G Gas inlet

R C.H. system return

M C.H. system flow

1 Flow switch - Cold water filter

2 D.H.W. flow restrictor

3 Gas valve

4 D.H.W. temperature sensor

5 Burner nozzles

6 Ionisation/Ignition electrode

7 Burner

8 Bithermal heat exchanger

9 H.L. thermostat

10 Flue gas extractor fan

11 Air/flue coaxial duct

12 Micro-switch on flue gas pressure

switch

13 Flue gas pressure switch

14 Expansion vessel inflating valve

15 Expansion vessel

16 Automatic air vent

17 Circulating pump

18 C.H. temperature sensor

19 Minimum water pressure switch

20 By-pass (unadjustable)

21 Boiler drain cock

22 Heating circuit safety valve

23 Filling valve

C D.H.W. outlet

F D.C.W. inlet

G Gas inlet

R C.H. system return

M C.H. system flow

General info

fig. 5

EVE 05 RTFS 24

fig. 4

EVE 05 RTN 24

FG RM

Gas valve

Burner nozzles

Ionisation/Ignition electrode

Burner

Monotermal heat exchanger

Flue gas manifold/down-draught

diverter

Flue gas anti-spillage thermostat

H.L. thermostat

Expansion vessel inflating valve

Expansion vessel

Automatic air vent

Circulating pump

C.H. temperature sensor

Minimum water pressure switch

By-pass

Boiler drain cock

Heating circuit safety valve

Filling valve

F D.C.W. inlet

G Gas inlet

R C.H. system return

M C.H. system flow

Gas valve

Burner nozzles

Ionisation/Ignition electrode

Burner

Monotermal heat exchanger

Air/flue coaxial duct

Flue gas extractor fan

Micro-switch on flue gas pressure

switch

Flue gas pressure switch

H.L. thermostat

Expansion vessel inflating valve

Expansion vessel

Automatic air vent

Circulating pump

C.H. temperature sensor

Minimum water pressure switch

By-pass

Boiler drain cock

Heating circuit safety valve

Filling valve

F D.C.W. inlet

G Gas inlet

R C.H. system return

M C.H. system flow

FG RM

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