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Unical MODULEX EXT 300 Manual

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Technical features and dimensions
TECHNICAL FEATURES
AND DIMENSIONS
2.1 - TECHNICAL FEATURES
• MODULEX is a compact, gas fired, Low NO
x
, condensing
boiler.
• made up by one sectional boiler body, suitable for a single
boiler working or directly as cascade
• Placeevenoutside(IPX5D)
• Low water content
• Fast response to load variations
• Flue terminal positionable on 3 sides
• Manifold unified delivery and return (everseble in simple way
p.16)
• Made up of two or more heating elements (2 to 7), cast alu-
minum / silicon / magnesium
• Modulating premix burners total radiation
• Each heating element without hydraulic interceptions
• One gas supply pipe (reversible)
• Modular power from 12 to 50 kW / element
TEMPERATURE CONTROL DEVICES:
• LOCALNTCsensor(eachheatingelement)
• Limitthermostatroom(eachheatingelement)
• flow NTC sensor (General)
• NTC sensor return (General)
• Safety thermostat approved (Order and install on ISPESL
device see page 18)
• FlowsensorBCM
Other safety devices (RACCOLTA R) see 3.6 pag. 18
Control panel (POP-UP) includes:
• ON-OFFswitchseepag.47
• Temperature control / boiler operator E8
• BCM(BoIIerCascadeManager)
• Fuses
• Limitthermostat>(over)350kW
• Airpressurefans
• Condensatelevelsensor
• Gaspressostat
• Smokepressostat(anti-obstruction)
• The whole group has heat sensors NTC control global tem-
perature on the flow and return..
• Integral insulation with synthetic wool hypoallergenic
• Total premix burner, modulating burner with a “metal sponge”,
ad irraggiamento. Premixing into the fan. Automatic diafra-
ghm backflow of separation from the combustion chamber.
• Noise at maximum power of less than 49 dBA.
• Heatingoperation:determinationofinstantaneouspower
microprocessor control, with preset parameters for compa-
rison between temperature (or calculated from the external
temperatureregulation)andglobaltemperatureow.
• Operationmodes:
Ability to control power of the individual heating elements for
any calibration and / or assistance with access code confi-
dential.
Production of A.C.S. by NTC of priorities for control by
boiler feed pump or by three-way diverter valve controller
E8 included.
• Abilitytocontrolpoweroftheindividualheatingelements
• Controlofheatdemand:setpointtemperatureandlevelof
modulation.
2
• Monitoringofoperatingstatusandtemperature.
• Reportingofalarms.
• Settingparameters.
• Relaycontrolfortheactivationofaxedspeedpump
• Analogoutput0to10Vtocontrolamodulatingpump.
• Operationofemergencypreventsthedetentionfacilityasa
result of the interruption of communication with the control
system or any remote control unit:
• Withthepossibilityoftemperatureselectionthroughemer-
gencyresistorssuppliedwith“constantSetpoint:70°C,max
50%.
• Alarmmanagement
• Alarmresetinput.
• Relaywarningalarm.
• condensatecollectortankwithsiphonstainlesssteel
• Panelscompletewitheasilyremovablestainlesssteelpanels
paintedwithreadaptedforoutdoorinstallation
• condensatecollectiontankwithdraintrapandsmokechamber
in stainless steel.
• Built-inairvent
The application of heat can be generated by the Regolation / E8
operator or alternatively from BCM (boyler Cascade Manager)
The management logic provides the maximum number of
simultaneous operation of heating elements as possible in
order to maximize your productivity. As we provide high ex-
change surface as a function of output power. The items are
made to work so as to share equitably the operating time.
The hot water produced by the pump is pushed on the return
oftheringtotheprimaryowofthehydraulicseparator.From
here a second pump (system - see the diagrams suggested) will
arrange for the distribution to various users. The return chilled
water plant is sucked by the pump on the return through the
hydraulic separator to resume the cycle via the generator.
… 9 …


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