Clima Manager Uk

User’s instructions

CClliimmaa MMaannaaggeerr

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WarningsWarning!Do not ignite the boiler for the firsttime unaccompanied.

First ignition, installation, initial settingsand servicing must be carried out exclusi-vely by competent staff.Incorrect installation can cause damage to per-sons, animals and property; the manufacturer willnot be held responsible for any such damage.For subsequent boiler ignition, please read theparagraph entitled “Boiler ignition procedure”.This chapter is addressed to those of you whooperate the appliance in the correct situation, i.e.when the boiler has already been installed andignited for the first time by one of our serviceengineers.

ImportantRead these instructions thoroughly. Keep allliterature supplied with the appliance in a safeplace for future reference by the user, the instal-ler and our service engineers.

GuaranteeThe guarantee on this appliance is valid from thedate of first ignition, which must be carried outexclusively by one of our authorised serviceengineers.The Guarantee Certificate is issued byour After-Sales Service Centre after the boiler’sfirst ignition and following the verification thatthe boiler has been installed correctly.Please contact your nearest authorised ServiceCentre for any assistance on the electrical,hydraulic and gas circuit.

Display symbolsBBOOIILLEERR

OONN

BBOOIILLEERR

LLOOCCKKOOUUTT

FFLLUUEE GGAASS

SSAAFFEETTYY

WWAATTEERR

SSHHOORRTTAAGGEE

OOVVEERRHHEEAATTIINNGG

DDHHWW MMOODDEE

CCEENNTTRRAALL HHEEAATTIINNGG

MMOODDEE

““SSHHUUTTDDOOWWNN”” –– SSEERRVVIICCEE EENNGGIINNEEEERR RREEQQUUIIRREEDD

FFLLUUEE SSWWEEEEPP

MMOODDEE

““LLOOCCKKOOUUTT”” OOPPEERRAATTIINNGGAANNOOMMAALLYY

AAUUTTOOMMAATTIICC

OOPPEERRAATTIIOONN

CCOOMMFFOORRTT//RROOOOMM RREEGGUULLAATTIIOONNTTEEMMPPEERRAATTUURREE

EECCOONNOOMMYY//RROOOOMM RREEGGUULLAATTIIOONN

TTEEMMPPEERRAATTUURREE

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SET TIME/DAY PROGRAM DAY/NIGHT

A J

B I

HD

C

E G

FAA -- Blue

ON OFF button

BB -- Red RESET button

CC -- TEMPERATURE SETTING buttons

DD -- SET button

EE -- TIME/DAY button

FF -- CONTROLS ACCESS flap

GG --PROGRAM button

HH -- DAY/NIGHT

II -- OPERATION button (Manual or automatic)

JJ -- MODE SELECTION button

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Table of Contents“Remote control” main unit

What is it and how does it work? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 5

Preliminary operationsBoiler ignition procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 8Resetting the system pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 8Setting the time and day . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 9Operating mode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 10

Manual operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 11Setting the temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 12• How to adjust the COMFORT temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 13• How to adjust the temperatures set

(DHW and heating flow) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 13

Automatic operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 14How to adjust the COMFORT/ECONOMY temperatures set . . . . . . . . . . . .page 15Temporary adjustment of the room temperature . . . . . . . . . . . . . . . . . . . . . .page 16Adjusting the domestic hot water and central heating flow temperature . . .page 17Weekly programme• Weekly programme display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 17• Default weekly temperature regulation programme . . . . . . . . . . . . . . . . . . .page 17• How to adjust the weekly temperature regulation programme . . . . . . . . . .page 19PARTY function/HOLIDAY function (anti-freeze) . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 22

Shut offBoiler shut off procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 23

Possible anomalies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 24Operation lockout “A” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 24Safety cut-off “E” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 25How to reset the default values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 26

Useful tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 27Routine maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 28Prevention devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 28

Glossary of terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 30

Instructions for the Installers and Service Engineers(ONLY FOR AUTHORISED STAFF) . . . . . . . . . . . . . . . . . . . .page 28

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Remote Control

What is it and how does it work?The remote control allows you to communicate with the boiler from your favourite roomin the home.This means you can fit the boiler in the most suitable point of installation andcontrol it from a distance.The few control buttons and the display panel on the remote control allow for a simple yetpowerful management of the temperature regulation in your home, as well as the comple-te control of your domestic hot water supply.The sophisticated technology used guarantees a unique comfort.The remote control also provides initial help in the event of a boiler malfunction, indicatingthe type of anomaly detected, suggesting action to solve the problem or recommending youcall the Service Centre for assistance.The remote control is in fact an efficient and reliableally for your well-being.

The main user/boiler dialogue controls are as follows:

TEMPERATURE SETTING buttons

Blue ON/OFF button

MODESELECTION

button

Red RESET button

OPERATION button(Manual orautomatic)

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CONTROLS ACCESS flap

SET button

TIME/DAYbutton

DAY/NIGHT button

PROGRAM button

TEMPERATURE OFTHE ROOM WHERETHE REMOTE CON-TROL IS INSTALLED

TIME OF DAY

Open the flap to access 4 additional setting buttons.

The following values are shown in the centre of the display.

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Days of the week.

Room temperature regulation time portions display.

Here is a brief summary of what you can do with the remote control (each function is illu-strated in more detail over the next few pages).

• Turn the boiler on and off.

• Adjust the temperature of the room, central heating and domestic hot water supply.

• Use an automatic weekly central heating programme on two room temperature levels,extremely easy to personalise.

• Improve the general comfort of your home, with the automatic temperature correctionof the central heating flow to the radiators, just by installing an external temperature sen-sor.

• Temporarily adjust the programme set with the Party and Holiday functions.

• Manage the peripheral units: zone valve.

• Control any anomalies.

Monday

Tuesday

WednesdayThursdayFriday

Saturday

Sunday

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PPrreelliimmiinnaarryy ooppeerraattiioonnss

BBooiilleerr iiggnniittiioonn pprroocceedduurree

11)) CChheecckk tthhee eelleeccttrriicciittyy ssuuppppllyy aatt tthheeeexxtteerrnnaall bbiippoollaarr sswwiittcchh..

22)) TTuurrnn oonn tthhee ggaass ttaapp oonn tthhee oouuttssiiddeeooff tthhee bbooiilleerr..

33)) RReesseett tthhee ssyysstteemm pprreessssuurree ((sseeee tthheenneexxtt ppaarraaggrraapphh))..

44)) IIggnniittee tthhee bbooiilleerr bbyy sseettttiinngg tthheekknnoobb oonn tthhee bbooiilleerr ccoonnttrrooll kknnoobb ttoo““II””..

55)) PPrreessss tthhee bblluuee iilllluummiinnaatteedd bbuuttttoonnoonn tthhee rreemmoottee ccoonnttrrooll..

BBeeffoorree iiggnniittiioonn,, yyoouu mmuusstt cchheecckk tthheepprreessssuurree ooff tthhee ssyysstteemm oonn tthhee pprreess--ssuurree ggaauuggee..

WWhheenn tthhee ssyysstteemm iiss ccoolldd,, tthhee pprreessssuu--rree sshhoouulldd bbee bbeettwweeeenn 00..55 aanndd 11..55 bbaarr((iinn tthhee bblluuee ppaarrtt ooff tthhee ssccaallee))..

IIff tthhee pprreessssuurree iiss bbeellooww tthhee mmiinnii--mmuumm vvaalluuee,, CCoonnssuulltt yyoouurr iinnssttaalllleerr ffoorrcchheecckkiinngg aanndd rreeffiilllliinngg tthhee ssyysstteemm..

OOnnccee tthhee pprreessssuurree rreeaacchheess 11 bbaarr,,cclloossee tthhee vvaallvvee..

BBlleeeedd aannyy aaiirr ffrroomm tthhee rraaddiiaattoorrss aannddrreeppeeaatt tthhee ooppeerraattiioonn..

IIff tthhee pprreessssuurree ddrrooppss ffrreeqquueennttllyy,, ccaalllltthhee iinnssttaalllleerr ffoorr aassssiissttaannccee..

RReesseettttiinngg tthhee ssyysstteemm pprreessssuurree

Blue ON/OFF button

PRESSURE GAUGE

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11)) OOppeenn tthhee ccoonnttrroollss aacccceessss ffllaapp..

22)) PPrreessss tthhee TTIIMMEE//DDAAYY bbuuttttoonn ffoorraapppprrooxxiimmaatteellyy 33 sseeccoonnddss:: tthhee hhoouurrnnuummbbeerrss wwiillll bbeeggiinn ttoo ffllaasshh.. UUssee tthhee((++)) aanndd ((––)) bbuuttttoonnss ttoo sseett tthhee hhoouurr..

33)) PPrreessss tthhee SSEETT bbuuttttoonn ttoo mmoovvee oonn ttoosseettttiinngg tthhee mmiinnuutteess,, aaggaaiinn uussiinngg tthhee((++)) aanndd ((––)) bbuuttttoonnss..

44)) PPrreessss tthhee SSEETT bbuuttttoonn ttoo mmoovvee oonn ttoosseettttiinngg tthhee ddaayy ooff tthhee wweeeekk.. UUssee tthhee((++)) aanndd ((––)) bbuuttttoonnss ttoo ssccrroollll tthhrroouugghhtthhee ddaayyss ooff tthhee wweeeekk ((sseeee ffiigguurree))..

55)) PPrreessss tthhee TTIIMMEE//DDAAYY bbuuttttoonn ttoo ccoonn--ffiirrmm tthhee sseettttiinnggss.. SSeettttiinngg iiss nnoowwccoommpplleettee..

NNBB:: In the event of a power failure, the time and day setting is stored for 90 minutes maximum.

To change any of the values entered, just repeatthe above procedure.

SSeettttiinngg tthhee ttiimmee aanndd ddaayy

Setting the time and day is indispensable for the boiler operation.The installer will therefo-re set them upon first ignition.The following instructions will however enable you to adjust the settings precisely whene-ver necessary.


SET button

TIME/DAYbutton

DAY OF �THE WEEK �(Monday) �

TIME OF DAY

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OOppeerraattiinngg mmooddee sseelleeccttiioonn

The boiler can operate in manual or automatic mode.The operating mode is set by the installer on first ignition of the appliance.

However, you can change the operating mode whenever you wish, depending on yourneeds.

Please refer to the relevant chapters for the description of the two operating modes.

UUssee tthhee MMAANN//AAUUTTOO bbuuttttoonn ttoo sseelleecctt tthheeddeessiirreedd ooppeerraattiinngg mmooddee..

AAss yyoouu pprreessss tthhee bbuuttttoonn rreeppeeaatteeddllyy,, tthheeddiissppllaayy wwiillll vvaarryy aass ffoolllloowwss::

OPERATION button(Manual orautomatic)

MMAANNUUAALL OOPPEERRAATTIIOONN AAUUTTOOMMAATTIICC OOPPEERRAATTIIOONN

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domestic hot water production

central heating + DHW production,with priority given to the DHW

MMaannuuaall ooppeerraattiioonn

In manual operating mode, the boiler doesnot follow any automatic default program-mes and instead operates constantly inaccordance with the settings made.

You can choose from 3 different operatingconditions and one stand-by mode.To choose the desired operating condition,press the MODE button (see diagram).

MODESELECTION

button

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Display

The room temperature detected by thesensor is constantly shown on the remotecontrol display.

To view the COMFORT temperature set,

• press the (+) or (–) button.During this operation, the COMFORTtemperature flashes.

To view the temperatures set for thedomestic hot water and the central hea-ting flow,

• press the TEMP button.

Setting the temperatures

In manual operating mode, the boiler lets you set two types of temperatures.

The desired room temperature (COMFORT).In central heating mode, the ignition and operation of the boiler are used to reach and main-tain the COMFORT temperature.

The temperature of the domestic hot water and of the central heating flow.The temperature set for the central heating flow obviously determines the speed withwhich the room temperature can be reached.It may be a good idea to raise the temperature set for the central heating flow to enablethe desired room temperature to be reached, in exceptionally rigid climatic conditions.Theboiler temperatures are factory-set as follows: 40°C DHW, 75°C central heating.

The display will stay on the screen for 5 seconds.

Setting condition display

Domestic Hot Watertemperature set

Temperature set forthe central heatingcircuit flow

RoomTemperatureDisplay

COMFORTTemperatureDisplay


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How to adjust the COMFORT temperature

Display the temperature (see previousparagraph).

Press the (+) and (–) buttons to adjust theCOMFORT temperature.

Press once to display the temperatureand again to change the value.

During this operation, the COMFORTtemperature flashes.

How to adjust the temperatures set for the DHWand the central heating flow

To adjust the temperature of theDomestic Hot Water,

• keep the TEMP button pressed until thedefault value flashes up on the display,

then

• press the (+) and (–) buttons to adjust it.

To adjust the temperature of the centralheating flow, from the above position(display of the DHW temperature),

• press the TEMP. button again

and, when the flashing value is displayed,adjust it using the (+) and (–) buttons;

• press the TEMP button again to com-plete the procedure.

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AAuuttoommaattiicc ooppeerraattiioonn

When this operating mode is selected, the boiler lights automatically both for centralheating as well as for the production of Domestic Hot Water.

The word AUTO is displayed on the screen.

The heating cycle will follow the default weekly temperature regulation programme ontwo temperature levels:

COMFORT temperature ( ), normally used during the daytime,

ECONOMY temperature ( ), normally used at night.

The combination of the two different room temperature features with the time bandsforeseen (see chapter entitled How to adjust the weekly temperature regulation pro-gramme) will ensure you maximum comfort, always.

The display will indicate the situation relative to the current day and the hours of the dayduring which programming is required.

In the above situation (19:30), the central heating is on (we are in the default time seg-ment from 17:00 to 21:00) to raise the room temperature (currently 18°C) to that set(e.g. 20°C).

ECONOMY

COM

FORT

COMFORT programmed time seg-ment (boiler requested to operate inthe time segment from 6 to 8 a.m.)

Indicates automatic operation

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How to adjust the COMFORT/ECONOMY temperatures set

The default values for the COMFORT and ECONOMY room temperatures are as follows:

Display

The room temperature detected by thesensor is constantly shown on the remotecontrol display.

To display the COMFORT and ECO-NOMY room temperatures:

1) open the flap

2) press the DAY/NIGHT button todisplay the COMFORT temperature,press the button again to display theECONOMY temperature

3) to return to the initial display, pressthe DAY/NIGHT button, or wait approxi-mately 10 seconds.

RoomTemperatureDisplay

COMFORTTemperatureDisplay

COMFORT room temperature

ECONOMY room temperature


ECONOMYTemperatureDisplay

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To change the above values:

1) open the controls flap on the remotecontrol

2) press the DAY/NIGHT button for threeseconds.

The COMFORT temperature ( ) willbegin to flash, and you can adjust it usingthe (+) and (–) buttons.

Press the SET button to move on to theadjustment of the economy temperature ( ), again using buttons (+) and (–).

To confirm and complete the adjustmentprocedure,

• press the DAY/NIGHT button.


DAY/NIGHT button

Temporary adjustment of the room temperature

Under certain circumstances, it may be preferable to have a different room temperaturefrom the two temperatures foreseen by the comfort and economy features.The room temperature can be adjusted temporarily directly by pressing the (+) and (–) but-tons on the remote control.The new temperature set will represent the boiler’s objective for the duration of the pro-gramming period under way.

Example.The COMFORT room temperature ( )adjustment from 20°C to 22°C, as illustra-ted in the figure, will last from the time ofadjustment until the end of the program-ming period under way.Once this period is over, the value foreseenby the weekly programme will be restored.

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Adjusting the domestic hot water and central heating flow temperature

The same procedure described in the paragraph entitled How to adjust the temperaturesset (DHW and central heating flow) in the “Manual operation” chapter applies.

To display the weekly programme, openthe flap on the remote control

• press the PROGRAM button.

Press it once to display the weekly pro-gramming for the first day in the week(MON = Monday)

press the PROGRAM button repeatedly todisplay the programming for the followingdays, day by day until Sunday (SUN).

Press the PROGRAM button again to exitthe display.

Weekly Programme

Weekly programme display

And now for the weekly programming, which will allow you to adjust the boiler operation toyour needs and to your own lifestyle.


PROGRAM button

Default weekly temperature regulation programme

The boiler operating programme is factory set, but can be modified (see the next paragraph).

The default programming foresees the following cycle:

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From MONDAY to FRIDAY

the room temperature adjustment according to the time bands below.

from 00:00 to 6:00

from 6:00 to 8:00

from 8:00 to 17:00

from 17:00 to 22:00

from 22:00 to 23:59

Temperature (comfort feature)

Temperature (economy feature)




from 0:00 to 7:00

from 7:00 to 22:00

from 22:00 to 23:59

From SATURDAY to SUNDAY

the room temperature adjustment according to the time bands below.




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How to adjust the weekly temperature regulation programme

Open the flap on the remote control and press the PROGRAM button for approximately3 seconds, until the display starts flashing.

The weekly programme is set by selecting first of all the days of the week that you want toprogram, using the (+) and (–) buttons, as illustrated in the table..

SINGLE PROGRAMMING FOR ALL THE DAYS IN THE WEEK

PROGRAMMING FOR THE FIVE WEEKDAYS (FROM MONDAY TO FRIDAY)

PROGRAMMING FOR THE WEEKEND DAYS (SATURDAY AND SUNDAY)

PROGRAMMING FOR EVERY DAY OF THE WEEK

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Press the SET button to begin adjustingaccording to the programming selected.

For example, if you have selected the pro-gramming for every day of the week, thetime bands set previously will be displayed,beginning with Monday.

At this stage, the following will flash simulta-neously:

• time band end time delimited by two fla-shing segments (see point 1-2 in the dia-gram)

• COMFORT ( ) or ECONOMY ( )symbols to indicate the type of tempera-ture being set.

To delay or anticipate the end of the timeband, press the (+) and (–) buttons.

When carrying out this procedure, wehighly recommend you focus your atten-tion on the numerical value indicated inthe display, which identifies, as mentionedearlier, when one time band ends and thenext one begins.

Once you have defined the end time forthe first time band (and so the beginningof the next band), press the SET button tomove on to adjusting the next time band.

Once the time cycle is complete (6 timebands a day), the programming starts upagain from the selection of the day (ordays) of the week.

To complete the adjustment, press thePROGRAM button.


SET button

PROGRAM button

Time band I at lower temperature

1

2

Time band I at lower temperature

The clock increases or decreases 15 minutes at a time(every time you press the buttons), whereas the cursoron the outer ring provides an approximate indication,moving from hour to hour.

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1) press the PROGRAM button for 3seconds (all the days in the week flash,single programme)

2) press the SET button (confirmationand access to the first time bandtimes)

3) press the (–) button, to adjust the timefrom 06:00 to 05:30

For example, let us suppose that you want to adjust the default weekly programme bysetting two new time bands in the comfort temperature feature valid for all the days in theweek (according to the following table):

N.B. In the event of an error in the adjustments, please refer to the paragraph entitled How toreset the default values in the Possible anomalies e Useful tips chapter.

TimebandIII

Tim

e ban

d IV

�

Time band VTime band I

Time

bandII

from 00:00 to 5:30

from 5:30 to 7:15

from 7:15 to 18:00

from 18:00 to 22:00

from 22:00 to 24:00

NEW DESIRED DAILY TIME BAND FROMMONDAY TO SUNDAY

(comfort feature)

(economy feature)

(comfort feature)

(economy feature)

(economy feature)TTiimmee bbaanndd II

TTiimmee bbaanndd IIII

TTiimmee bbaanndd IIIIII

TTiimmee bbaanndd IIVV

TTiimmee bbaanndd VV

4) press the SET button to access thesecond time band

5) press the (–) button, to adjust the timefrom 8:30 to 7:15

6) press the SET button

7) Press the PROGRAM button to exit.

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PARTY function

The PARTY function allows you to set the comfort operation, for a minimum of 1 hourand a maximum of 1 day, temporarily cancelling the daily programming set.

To enable this function, press the MODEbutton and then the (+) and (–) buttons toadjust the period of operation (in hours).

In PARTY mode, the word AUTO flashes,whereas the duration of the function andthe standard display screen will be shownat 5 second intervals.

When the PARTY period is up, the pro-gramming returns to the default opera-tion.

To disable the PARTY function, press theMODE button twice.

To enable this function, press the MODEbutton twice and then the (+) and (–) but-tons to adjust the period of operation.

The weekly programme set is automati-cally reabled at the end of the period set,or by pressing the MODE button.

In the HOLIDAY function, the temperatu-re of the water in the storage tank is notmaintained.

In HOLIDAY mode, the word AUTO fla-shes, whereas the duration of the functionand the standard display screen will beshown at 5 second intervals.

HOLIDAY function (anti-freeze)

The HOLIDAY function adjusts the interruption of the boiler operation from a minimumof 1 day to a maximum of 30.

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Shut off

Boiler shut off procedure

Only shut the boiler off when it won’t be used for long periods of time.

1) Press the blue illuminated button onthe remote control.

2) Shut off the boiler by setting the knobon the boiler control knob to “0”.

3) Turn off the gas tap on the outside ofthe boiler.

Blue ON/OFF button

Red RESET button

NN..BB.. WWaarrnniinngg!! TThhee bbooiilleerr iiss ssttiillll ppoowweerreedd,, rreemmeemmbbeerr ttoo ttuurrnn ooffff tthhee eelleeccttrriicciittyyssuuppppllyy..

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Possible anomalies

In the event of boiler malfunctions, the PCB actuates an appliance shutdown, if necessary.

There are two types of appliance shutdowns:• Operation lockout (A)• Safety cut-off (E)

NN..BB.. WWaarrnniinngg!! TThhee bbooiilleerr iiss ssttiillll ppoowweerreedd

The shutdown can be deactivated by pressingthe illuminated RESET button.

OOppeerraattiioonn lloocckkoouutt ““AA ””This type of appliance shutdown is called “non-volatile”, and is indicated on the display bya number preceded by the letter (A) ) and by some symbols, as illustrated in the tablebelow:

In the table, each error code is associated with the cause behind it.

Red RESET button

DDIISSPPLLAAYY CCAAUUSSEE

SHUTDOWN DUE TO FAILED AUTOMATIC IGNITION OF THE BURNER

SHUTDOWN DUE TO OVERHEATING

SHUTDOWN DUE TO ERROR IN THE OPERATING LOGIC



AA 0011

AA 0033

AA 9977

AA 9988

AA::9999

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CCAAUUSSEEDDIISSPPLLAAYY

ImportantIf this shutdown occurs frequently, contact an authorised Service Centre for assistance. Forsafety reasons, the boiler will allow a maximum of 5 reset operations to take place in 15minutes (pressing the RESET button).If the shutdown is occasional or an isolated event, this is not a problem.

Safety cut-off “E”

In the event of a safety cut-off (displayed with the code and symbols shown in the table),you must not interfere: the boiler will automatically try to reset itself and to relight. Shouldthis not be the case, contact an authorised Service Centre for assistance.

EE::0044

EE::0055

EE::0066

EE::0077

EE::3300

EE::3311

HEATING FLOW SENSOR CIRCUIT OPEN

HEATING FLOW SENSOR SHORT CIRCUITED

DHW SENSOR CIRCUIT OPEN

DHW SENSOR SHORT CIRCUITED

EXTERNAL SENSOR CIRCUIT OPEN

EXTERNAL SENSOR SHORT CIRCUITED

CIRCULATION PUMP SAFETY DEVICE ACTUATED (after 40 seconds), see note at the end of the paragraph

FLUE GAS SENSOR (VERSION AI) ACTUATED OR SHORT CIRCUITED

EE::0022

EE::6688

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NOTE - The boiler shutdown due to low water, as indicated by the symbol and by theerror E 02, may be due to a lack of water inside the boiler itself. Before calling for assis-tance, check the pressure of the system on the pressure gauge (please see chapter entitledPreliminary operations, paragraph “Resetting the system pressure”). Should the pres-sure be insufficient, turn the boiler off (see the Shut off chapter) and relight it in accordan-ce with the instructions provided in the Preliminary operations chapter.

FLUE GAS SENSOR DISCONNECTED (VERSION AI)EE::3322


EE::3333

EE::3344

EE::8800

EE::8800

FLUE GAS DISCHARGE PRESSURE SWITCH CONSENT PRIOR TO THE IGNI-TION SEQUENCE (VERSION AFFI)

FAILED FLUE GAS DISCHARGE PRESSURE SWITCH CONSENT WITH FANACTUATED (VERSION AFFI)

ROOM SENSOR CIRCUIT OPEN

ROOM SENSOR SHORT CIRCUITED

TOO MANY REPETITIONS IN PRESSING THE RESET BUTTON (>5)EE::9999

FLAME DETECTED WITH GAS VALVE CLOSED (3” seconds waiting time)

EE::2200


How to reset the default valuesIn the event of a programming error or an adjustment to the desired temperatures, the fac-tory-set default values can be reset.To do so, press the PROGRAM and R (RESET) buttonssimultaneously for 3 seconds.

Clima manager - 27

Useful tips

Here are a few useful tips on the use, safety and maintenance of your appliance for a bet-ter all-round performance.

• Check the system pressure on the pressure gauge on a regular basis (see chapter enti-tled Preliminary operations, paragraph “Resetting the system pressure”).Keep in mind that any pressure resetting operations should be carried out with thesystem cold. If the pressure drops frequently, there may be a water leak at some point inthe system. Contact your installer.

• If there is a water leak, close the water cut-off valves.

• Any purpose provided ventilation in the room where the boiler has been installed shouldbe checked periodically to ensure it is free from obstruction.

• If you can smell gas, close the gas cut-off valve and do not actuate any electrical switches,telephones or any other object that may cause a spark.Air the room, opening all windows and doors.

• In the event of overpressure in the central heating or DHW circuits, water may leak fromthe safety valves.In this case, decrease the pressure as follows:

1) for the central heating system, act on the radiator valves;

2) for the domestic hot water system, decrease the water pressure to the recommendednominal values.

• If the water hardness is excessive (35-45 °F), add a little water softener, to ensure theboiler always performs to the best of its ability in time and to reduce gas consumption.

• The boiler panels should be wiped with a damp cloth soaked in soapy water only.

• Make sure you organise the annual servicing of your boiler with an authorised servicecentre.

Merloni TermoSanitari SpA - Italy

Date post:	26-Oct-2014
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