clima manager uk
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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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SET TIME/DAY PROGRAM DAY/NIGHT
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 TIME/DAY PROGRAM DAY/NIGHT
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
Setting condition display
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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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Setting condition display
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
Setting condition display
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.
SET TIME/DAY PROGRAM DAY/NIGHT
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.
SET TIME/DAY PROGRAM DAY/NIGHT
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)
Temperature (comfort feature)
Temperature (economy 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.
Temperature (economy feature)
Temperature (comfort feature)
Temperature (economy feature)
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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 TIME/DAY PROGRAM DAY/NIGHT
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
SHUTDOWN DUE TO ERROR IN THE OPERATING LOGIC
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
26 - Clima manager
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
DDIISSPPLLAAYY CCAAUUSSEE
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
DDIISSPPLLAAYY CCAAUUSSEE
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
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