Unical PANEL BOARD MODULATING MASTER Manual de usuario
ENGLISH
SYSTEM MANAGER OPERATING INSTRUCTIONS
- MODULATING MASTER
- DUAL-STAGE MASTER
PANEL BOARD
PANEL BOARD
- MODULATING CASCADE
- DUAL-STAGE CASCADE
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID 1/2/11/Mod
Run
2
1
31
42
11
41 12 13
32
14 15 16 17
35
33 34
18 19 20 21 22 23
21. 0
20
Servizio
Data/Ora/Vacanze
Visual Inf.
Utente
Progr.Tempo
Tecnico
Impianto
Acqua Calda
Circuito risc. I
Solare/MF
Circuito risc. II
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID 1/2/11/Mod
Run
2
1
2
Table of contents
1 - SYMBOLS USED IN THE MANUAL
Pay special attention when reading this manual to the parts marked by the symbols:
NOTE!
Suggestions for the user
ATTENTION!
Possible hazardous situation
for the product and the environment
DANGER!
Serious danger for
personal safety and life
2 - APPROPRIATE USE OF APPLIANCE
XC-K appliances have been built according to the current level of engineering and acknowledged technical
safety rules.
Nonetheless, if improperly used, dangers could arise for the safety and the very life of the user and other
persons or damage to the equipment or other objects.
The appliance is intended to operate in hot air circulation heating systems.
Any other use must be considered improper.
UNICAL shall not held be liable for any damage resulting from improper use; in this case the user is fully
responsible for the risk.
Use according to the intended purposes also include careful compliance with the instructions in this manual.
3 - WATER TREATMENT
• Thehardnessofthesuppliedwaterconditionsthefrequencyatwhichthedomestichotwaterexchangermustbe
cleaned.
• Ifthewaterhasahardnessgreaterthan15°f,werecommendusingwatersofteners,chosenaccordingtothe
characteristicsofthewater.
• Werecommendcheckingandcleaningthedomestichotwaterexchangerattheendoftherstyearofuseand
everytwoyearsthereafter;onthisoccasion,alsocheckthestateofwearoftheanode.
TABLE OF CONTENTS
1 Symbolsusedinthemanual...................................................................................................................................................... 2
2 Appropriateuseofappliance...................................................................................................................................................... 2
3 Watertreatment.......................................................................................................................................................................... 2
4 Informationforsystemmanagerbyinstaller/maintenancetechnician........................................................................................ 3
5 Safetywarnings.......................................................................................................................................................................... 3
6 Operatinginstructions................................................................................................................................................................ 4
6.1 MODULATINGMASTERpanelboardcode37892(withsingleboiler)............................................................................... 4
6.2 MODULATINGMASTERpanelboardcode37892(withboilersincascade)...................................................................... 7
6.3 MODULATINGCASCADEpanelboardcode37900(withboilersincascade)................................................................. 10
6.4 DUAL-STAGEMASTERpanelboardcode38778(withsingleboiler)............................................................................... 15
6.5 DUAL-STAGEMASTERpanelboardcode38778(withboilersincascade)..................................................................... 18
6.6 DUAL-STAGECASCADEpanelboardcode37901(withboilersincascade)................................................................... 21
6.7 Checksbeforecommissioning........................................................................................................................................... 26
6.8 Eliminatingfaults................................................................................................................................................................ 26
General information
3
Thesystemmanagermustbeinstructedconcerningtheuseandoperationofhisheatingsystem,inparticular:
• Givethesystemmanagertheseinstructions,aswellastheotherappliancedocumentsinsertedintheenvelope
insidethepackaging.The system manager must keep this documentation for future consultation.
• Informthesystemmanagerabouttheimportanceoftheairventsandtheuegasexhaustsystem,highlighting
theiressentialfeaturesandtheabsoluteprohibitionofmodifyingthem.
• Informthesystemmanagerconcerningcontrolofthesystem’swaterpressureaswellasoperationstorestoreit.
• Informthesystemmanagerconcerningcorrectcontroloftemperatures,controlunits/thermostatsandradiators
tosaveenergy.
• Rememberthatthesystemmustreceiveregularmaintenanceatleastonceayearand a combustion
analysismustbeperformedinthetimetableforeseenbystandardsinforce.
• Shouldtheappliancebesoldortransferredtoanewownerorifyoumoveandleavetheappliance,alwaysmake
surethattheinstructionbookletaccompaniesitinordertobeconsultedbythenewownerand/orinstaller.
The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from
failure to comply with the instructions contained in this manual.
4 - INFORMATION FOR SYSTEM MANAGER
BY INSTALLER/MAINTENANCE TECHNICIAN
5 - SAFETY WARNINGS
ATTENTION!
The appliance must be installed, adjusted and maintained by professionally qualified personnel, in
compliance with standards and provisions in force. Incorrect installation can cause damage to persons,
animals and objects for which the manufacturer cannot be held responsible.
DANGER!
NEVER attempt performing maintenance or repairs on the boiler on your own initiative.
Any work must be done by professionally qualified personnel authorised by Unical.
We recommend stipulating a maintenance contract.
Insufficient or irregular maintenance can jeopardise the operating safety of the appliance and cause damage
to persons, animals and objects for which the manufacturer cannot be held responsible.
Modifying parts connected to appliance
Donotmodifythefollowingparts:
- theboiler
- thegas,air,waterandelectricitylines
- theuegaspipe,safetyvalveandheatingwaterdrainpipe
- constructionpartswhichaffecttheoperatingsafetyoftheappliance
Smell of gas
Shouldasmellofgasbeperceived,followthesesafetyguidelines:
- donotturnelectricswitchesonoroff
- donotsmoke
- donotusethetelephone
- closethegasshut-offvalve
- airouttheareawherethegasleakagehasoccurred
- informthegassupplieroracompanyspecialisedininstallationandmaintenanceofheatingsystems.
Explosive and easily flammable substances
Donotuseorstoreexplosiveoreasilyammablematerials(e.g.petrol,paints,paper)intheroomwheretheap-
plianceisinstalled.
4
System manager operating instructions
18 19
18 19
14 15
14 15
14 15 16 17
35
33 34
18 19 20 21 22 23
21.0
20
Servizio
Data/Ora/Vacanze
Visual Inf.
Utente
Progr.Tempo
Tecnico
Impianto
Acqua Calda
Circuito risc. I
Solare/MF
Circuito risc. II
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID 1/2/11/Mod
Run
2
1
Main switch
Thisswitchconnectsanddisconnectspowertotheboiler:
- Withtheswitchat0 ,theboilerisnotpowered
electrically(greenindicatorlightoff).
- WiththeswitchatI ,theboilerispoweredelectrically
(greenindicatorlighton)andissetupfortheproduction
ofhotwaterforheating.
Burner switch
Thisswitchconnectsanddisconnectspowertotheburner:
- Withtheswitchat0 ,theburnerisnotpowered
electrically.
- WiththeswitchatI ,theburnerispoweredelectrically
andissetuptorunatrequestoftheheatingcontroller.
6 - OPERATING INSTRUCTIONS
6.1 - MODULATING MASTER PANEL BOARD code 37892 (with single boiler)
14 Main switch with indicator light
16 General fuse
18 Burner switch
19 P1 system pump switch (cascade)
20 Pz1 direct zone system pump switch
21 Pz2 mixed zone system pump switch
33 Working thermostat
35 Safety thermostat
V
I
V
I
V
I
O
V
I
O
System manager operating instructions
5
20 21
20 21
20 21
20 21
Direct zone system pump switch
Thisswitchconnectsanddisconnectspowertothedirect
zonesystempump:
- Withtheswitchat0 ,thepumpisnotpowered
electrically.
- With the switch at I , the system pump is powered
electricallyandisreadytorun.
IMPORTANT: thesystem pumpmustalwaysbeready
torunbeforeswitchingtheburnerontoallowheattobe
dispersed.
Otherwise,thesafetythermostatintheboilerwilltrigger
whenthemaximumtemperatureisreachedwiththe
consequentneedtoberearmed.
Mixed zone system pump switch
Thisswitchconnectsanddisconnectspowertothemixed
zonesystempump:
- Withtheswitchat0 ,thepumpisnotpowered
electrically.
- With the switch at II, the system pump is powered
electricallyandisreadytorun.
IMPORTANT: thesystem pumpmustalwaysbeready
torunbeforeswitchingtheburnerontoallowheattobe
dispersed.
Otherwise,thesafetythermostatintheboilerwilltrigger
whenthemaximumtemperatureisreachedwiththe
consequentneedtoberearmed.
V
I
V
I
O
V
I
O
V
I
6
System manager operating instructions
35
33
Heating temperature control
Temperatureisadjustedbetweenaminimumof0°Cand
amaximumof90°C.
Forthe heatingcontrollertoworkproperly,theknobof
theworkingthermostatMUSTbeattheMAXfull-scale
(tothe“right”).
Asfarastheworkingtemperaturesettingisconcerned,
see the paragraph “PROGRAMMINGTHE HEATING
CONTROLLER”.
Thevaluesetwillappearontheheatingcontrollerdisplay.
Resetting safety thermostat
IMPORTANT: The safety thermostat is located below
the cap indicated in the figure to the side.To access it
when the boiler blocks, unscrew the plastic cap with
a screwdriver; after having reset the boiler, put the
plastic cap back on.
Thesafetythermostatcanbetriggeredwhentheboiler
overheats.
Thiscanbesolvedrstofallbyloweringtheworking
temperatureoftheboiler.
Ifthesafetydeviceoftheboilercontinues
totrigger,donottrytorestoreoperationof
theboileronyourown.
ContactanAuthorisedAssistanceCentre.
System manager operating instructions
7
18 19
18 19
14 15
14 15
14 15 16 17
35
33 34
18 19 20 21 22 23
21.0
20
Servizio
Data/Ora/Vacanze
Visual Inf.
Utente
Progr.Tempo
Tecnico
Impianto
Acqua Calda
Circuito risc. I
Solare/MF
Circuito risc. II
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID 1/2/11/Mod
Run
2
1
Main switch
Thisswitchconnectsanddisconnectspowertotheboiler
n°1:
- With the switch at 0 , the boiler n°1 is not powered
electrically(greenindicatorlightoff).
- WiththeswitchatI ,theboilern°1ispowered
electrically(greenindicatorlighton)andissetupfor
theproductionofhotwaterforheating.
Burner switch
Thisswitchconnectsanddisconnectspowertothe
burneroftheboilern°1:
- Withtheswitchat0 ,theburneroftheboilern°1isnot
poweredelectrically.
- With the switch at I , the burner of the boiler n°1 is
poweredelectricallyandissetuptorunatrequestof
theheatingcontroller.
6.2 - MODULATING MASTER PANEL BOARD code 37892 (with boilers in cascade)
14 Main switch with indicator light
16 General fuse
18 Burner switch
19 System pump switch P1 (boiler n°1 in cascade primary ring)
20 Pz1 direct zone system pump switch
21 Pz2 mixed zone system pump switch
33 Working thermostat
35 Safety thermostat
V
I
V
I
V
I
O
V
I
O
8
System manager operating instructions
20 21
20 21
20 21
20 21
18 19
18 19
Direct zone system pump switch
Thisswitchconnectsanddisconnectspowertothedirect
zonesystempump:
- Withtheswitchat0 ,thepumpisnotpowered
electrically.
- With the switch at I , the system pump is powered
electricallyandisreadytorun.
IMPORTANT: thesystem pumpmustalwaysbeready
torunbeforeswitchingtheburnerontoallowheattobe
dispersed.
Otherwise,thesafetythermostatintheboilerwilltrigger
whenthemaximumtemperatureisreachedwiththe
consequentneedtoberearmed.
Mixed zone system pump switch
Thisswitchconnectsanddisconnectspowertothemixed
zonesystempump:
- Withtheswitchat0 ,thepumpisnotpowered
electrically.
- With the switch at II, the system pump is powered
electricallyandisreadytorun.
IMPORTANT: thesystem pumpmustalwaysbeready
torunbeforeswitchingtheburnerontoallowheattobe
dispersed.
Otherwise,thesafetythermostatintheboilerwilltrigger
whenthemaximumtemperatureisreachedwiththe
consequentneedtoberearmed.
Boiler n°1 primary ring system pump switch
Thisswitchconnectsanddisconnectspowertothe
systempumpoftheprimaryringofboilern°1:
- Withtheswitchat0 ,thepumpisnotpowered
electrically.
- With the switch at II, the system pump is powered
electricallyandisreadytorun.
IMPORTANT: thesystem pumpmustalwaysbeready
torunbeforeswitchingtheburnerontoallowheattobe
dispersed.
Otherwise,thesafetythermostatintheboilerwilltrigger
whenthemaximumtemperatureisreachedwiththe
consequentneedtoberearmed.
V
I
V
I
V
I
O
V
I
O
V
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V
I
System manager operating instructions
9
35
33
Heating temperature control
Temperatureisadjustedbetweenaminimumof0°Cand
amaximumof90°C.
Forthe heatingcontrollertoworkproperly,theknobof
theworkingthermostatMUSTbeattheMAXfull-scale
(tothe“right”).
Asfarastheworkingtemperaturesettingisconcerned,
see the paragraph “PROGRAMMINGTHE HEATING
CONTROLLER”.
Thevaluesetwillappearontheheatingcontrollerdisplay.
Resetting safety thermostat of boiler n°1
IMPORTANT: The safety thermostat is located below
the cap indicated in the figure to the side.To access it
when the boiler blocks, unscrew the plastic cap with
a screwdriver; after having reset the boiler, put the
plastic cap back on.
Thesafetythermostatcanbetriggeredwhentheboiler
overheats.
Thiscanbesolvedrstofallbyloweringtheworking
temperatureoftheboiler.
Ifthesafetydeviceoftheboilercontinues
totrigger,donottrytorestoreoperationof
theboileronyourown.
ContactanAuthorisedAssistanceCentre.
10
System manager operating instructions
12 13
12 13
11
11
6.3 - MODULATING CASCADE PANEL BOARD code 37900 (with boilers in cascade)
Main switch
Thisswitchconnectsanddisconnectspowertotheboiler
n°2:
- With the switch at 0 , the boiler n°2 is not powered
electrically(greenindicatorlightoff).
- WiththeswitchatI ,theboilern°2ispowered
electrically(greenindicatorlighton)andissetupfor
theproductionofhotwaterforheating.
Burner switch
Thisswitchconnectsanddisconnectspowertothe
burneroftheboilern°2:
- Withtheswitchat0 ,theburneroftheboilern°2isnot
poweredelectrically.
- With the switch at I , the burner of the boiler n°2 is
poweredelectricallyandissetuptorunatrequestof
theheatingcontroller.
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID 1/2/11/Mod
Run
2
1
31
42
11
41 12 13
32
11 Main switch with indicator light
12 Burner switch
13 System pump switch P1 (boiler n°2 in cascade primary ring)
31 Safety thermostat
32 Working thermostat
41 General fuse
V
I
V
I
V
I
O
V
I
O
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