Noritz NCC300OD Bedienungsanleitung
SBB80YY-2
Rev. 08/17
Models : NCC300DV (GQ-C5032WZ-FF US)
NCC300OD (GQ-C5032WZ US)
CONDENSING TANKLESS GAS WATER HEATER
Owner’s Guide
NORITZ America Corporation
-Donotstoreorusegasolineorotherammablevaporsandliquidsinthe
vicinityofthisoranyotherappliance.
- WHAT TO DO IF YOU SMELL GAS
•Donottrytolightanyappliance.
•Donottouchanyelectricalswitch;donotuseanyphoneinyourbuilding.
•Immediatelycallyourgassupplierfromaneighbor’sphone.Followthe
gassupplier’sinstructions.
•Ifyoucannotreachyourgassupplier,calltheredepartment.
-Installationandservicemustbeperformedbyaqualiedinstaller,service
agencyorthegassupplier.
If the information in this manual is not followed exactly, a re or explosion
may result causing property damage, personal injury, or death.
WARNING
FOR USE IN COMMERCIAL OR MANUFACTURED HOME APPLICATIONS.
*SBB80YY*
Thank you for purchasing this Noritz Tankless Gas Water Heater.
Before using, please:
Read this manual completely for operation instructions.
See the warranty registration card (included separately), and then visit
the Noritz website (www.noritz.com/warranty) to register your product.
Keep this manual (and the warranty registration card) where it can be
found whenever necessary.
Installation must conform with local codes, or in the absence of local
codes, the National Fuel Gas Code, ANSI Z223.1/NFPA 54 - latest edition
and/or the Natural Gas and Propane Installation Code CSA B149.1 -
latest edition.
When applicable, installation must conform with the Manufactured
Home Construction and Safety Standard, Title 24 CFR, Part 3280 or the
Canadian Standard CAN/CSA-Z240 MH Mobile Homes, Series M86.
Noritz America reserves the right to discontinue, or change at any
time, the designs and/or specications of its products without notice.
CERTIFIED
R
Low NOx Approved
by SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
2
Prohibited Don’t
touch.
Don’t
disassemble
the equipment.
Don’t touch
with a wet
hand.
No ame.
High
Temperature.
To prevent damage to property and injury to the user, the icons shown below will be used to warn of
varying levels of danger.
Every indication is critical to the safe operation of the water heater and must be understood and observed.
Potential dangers from accidents during installation and use are divided into the following four
categories. Closely observe these warnings; they are critical to your safety.
Other icons
DANGER
WARNING
CAUTION
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
CAUTION used without the safety alert symbol indicates a potentially
hazardous situation which, if not avoided, may result in property damage.
CAUTION
Be sure
to do. Ground.
Electric
Shock.
DANGER
Iconswarningofrisklevel
ImportantSafetyInformation-1
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Obey all safety messages that follow this symbol to avoid possible injury or death.
Vaporsfromammableliquidswillexplodeandcatchrecausingdeathorsevereburns.
Do not use or store ammable products such as gasoline, solvents or
adhesives in the same room or area near the water heater.
Prohibited
Keepammableproducts:
1.Farawayfromthewater
heater.
2.Inapprovedcontainers.
3.Tightlyclosed.
4.Outofchildren’sreach.
Vapors:
1.Cannotbeseen.
2.Vaporsareheavierthanair.
3.Goalongwayontheoor.
4.Canbecarriedfromotherrooms
tothemainburnerbyaircurrents.
HotWaterHeatertemperaturesover125°F(52°C)cancausesevereburns
instantlyordeathfromscalding.
Children, disabled and elderly are at the highest risk of being scalded.
Feel water temperature before bathing or showering.
Temperature limiting valves are available, ask professional person.
Prohibited
(Continued)
3
No ame.
(Continued)
WARNING
Be sure
to do.
Whenagasleakisnoticed:
1. Stopuseimmediately.
2. Closethegasvalve.
[NCC300DV]
3. Openwindowsanddoors.
Ifyoudetectabnormalcombustion
orabnormalodors,orduringan
earthquake,tornadoorre:
1. Turnoffthehotwatersupply.
2. Turnoffthepowertothewater
heater.
3. Turnoffgasandwatersupply
valve.
4. CallthenearestNoritzagent.
Be sure
to do.
Donotallowanyonetochangethewater
temperaturewhilehotwaterisbeingused.
To prevent scalding, do not change the
water temperature to a higher setting.
Prohibited
A.Thiswaterheaterdoesnothave
apilot.Itisequippedwithan
ignitiondevicethatautomatically
lightstheburner.Donottryto
lighttheburnerbyhand.
B.
BEFORE OPERATING smell all
aroundthewaterheaterareafor
evidenceofleakinggas.Besure
tosmellnexttotheoorbecause
somegasisheavierthanairand
willsettleontheoor.
WHATTODOIFYOUSMELLGAS.
•Donottrytolightany
appliance.
•Donottouchanyelectrical
switch;donotuseanyphone
inyourbuilding.
•
Immediatelycallyourgas
supplierfromaneighbor’s
phone.Followthegassupplier’s
instructions.
•
Ifyoucannotreachyourgas
supplier,calltheredepartment.
C. Useonlyyourhandtoturn
thegasvalveknob.Neveruse
tools.Iftheknobwillnotturnby
hand,don’ttrytorepairit.Call
aqualiedservicetechnician.
Forceorattemptedrepairmay
resultinareorexplosion.
D. Donotusethiswaterheaterif
anyparthasbeenunderwater.
lmmediatelycallaqualied
servicetechniciantoinspectthe
waterheaterandtoreplaceany
damagedparts.
(Continued)
Prohibited
Checkthetemperature
oftherunninghotwater
beforeenteringthe
shower.
Checkthetemperature
beforesteppinginto
thebathtub.
High
Temperature.
ExplosionHazard;
Ifthetemperatureandpressurerelief
valveisdrippingorleaking,havea
qualiedservicetechnicianreplaceit.
Donotplugorremovethevalve.
Failure to follow these instructions can re-
sult in re or explosion, and personal injury
or death.
Prohibited
[NCC300DV]
Do not use the water heater
iftheintake/exhaustpipe
isdisplaced,hasholes,is
cloggedoriscorroded.
Afterthewaterheaterhasbeenoutof
useforalongtimemakesurethatyou
llthecondensatetrapwithwater.
Thisistopreventdangerous exhaust
gasesfromenteringthebuilding.
Failuretollthecondensatetrapcould
resultinseverepersonalinjuryordeath.
(Refertopage34forfurtherinstructions.)
Be sure
to do.
Prohibited
[NCC300OD]
DoNotInstallIndoors.
This will cause carbon
monoxide poisoning and
a potential re hazard. Indoor
Be sure
to do.
[Whensupplyingcombustionair
fromtheindoors]
Checkwhetherornottheair
supplyventisblockedwith
dust,trash,atowel,orthelike.
Blocking the opening may result
in incomplete combustion.
Towel
Air supply vent
4
Donotplacetheexhaustventterminal
inanindoorenvironmentbymeansof
adding walls and ceiling (Do not en-
closeusingcorrugatedsheets,etc.)
Carbon monoxide poisoning or re may
occur as a result.
ImportantSafetyInformation-2
(Continued)
Ifthisunitwillbeinstalledinabeauty
salon or other location where hair
sprayoraerosolswillbeused,locate
the unit in a separate area that is
suppliedwithfreshairfromoutdoors.
Prohibited
Besurethegas/power
supplied matches the
gasontheratingplate.
Ex.ForNaturalGas
(NCC300DV (GQ-C5032WZ-FF US))
Installationandservicemustbe
performedbyaqualiedinstaller,
serviceagencyorthegassupplier.
Be sure
to do.
Be sure
to do.
(Continued)
Prohibited
Do not store or use gasoline or other
ammablevaporsandliquidsinthe
vicinityofthisoranyotherappliance.
Prohibited
Donotplaceoruseaspraycan
near
thewaterheaterortheexhaustvent
terminal.
Donotusehairsprayorspray
detergentinthevicinityofthe
heater.
Prohibited
Prohibited
[NCC300DV]
Donotplaceoutdoors.
Rain may enter the unit or the
burner fire may be blown by
the wind, causing malfunction
or re as a result.
Prohibited
Outdoor
Leavetheproperclearancebetween
thewaterheaterandnearbyobjects
(trees,timber,boxeswithammable
materialsetc.).
Be sure
to do.
*Indicates suggested clearances for maintenance.
Donotplacecombustiblessuchas
laundry,newspapers,oilsetc.nearthe
heaterortheexhaustventterminal.
Prohibited
Donotusecombustiblechemicals
suchasoil,gasoline,benzeneetc.
intheneartheheaterortheexhaust
ventterminal.
Prohibited
CarbonMonoxidePoisoningHazard.
Do not install this water heater in
arecreationalvehicleoronaboat.
Do not install this water heater
inamobilehomewhenusingSV
conversionkit(“-SV”conguration).
Prohibited
WARNING
Left side:
Min. 3” (75mm)
Right side:
Min. 3" (75mm)
Front:
Sug. 24" (600mm)*
Sug.3" (75mm)
from vent pipe*
Upper:
Min. 12" (300mm)
Exhaust vent
terminal
Exhaust vent
terminal
Unit
[NCC300DV]
Left side:
Min. 6" (150mm) Right side:
Min. 6" (150mm)
Upper:
Min. 36" (900mm)
[NCC300OD]
Unit
Front:
Sug. 24" (600mm)*
Be sure
to do.
[Whensupplyingcombustionair
fromtheindoors]
Checktheairsupplyopening
fordustorobstructions.
Clogged
air supply
opening!!
5
(Continued)
Donotallowsmallchildrentoplay
unsupervisedinthebathroom.
Donotallowsmallchildrentobathunsupervised.
Do not touch the power
cordwithwethands.
Electric
Shock.
Don’t touch
with a wet
hand.
Prohibited
ContactNoritzbeforeusingwith
asolarpre-heater.
Contactaqualiedservice
technicianforanynecessary
repairs,serviceormaintenance.
ConsultthenearestNoritzagentif
the water heater location needs to
bechanged.
Don’t
disassemble
the equipment.
Be sure
to do.
Be sure
to do.
CaliforniaProposition65listschemicalsubstances
knowntothestatetocausecancer,birthdefects,
death,seriousillnessorotherreproductiveharm.
Thisproductmaycontainsuchsubstances,
betheiroriginfromfuelcombustion(gas,oil)
orcomponentsoftheproductitself.
CAUTION
Thegasconversionkitshallbeinstalledbya
qualiedserviceagencyinaccordancewith
themanufacturer’sinstructionsandall
applicablecodesandrequirementsofthe
authorityhavingjurisdiction.The
informationintheinstructionsmustbe
followedtominimizetheriskofreor
explosionortopreventpropertydamage,
personalinjury,ordeath.Thequalied
serviceagencyisresponsiblefortheproper
installationofthiskit.Theinstallationisnot
properandcompleteuntiltheoperationof
theconvertedapplianceischeckedas
speciedinthemanufacturer’sinstructions
suppliedwiththekit.
Besuretoelectricallygroundthe
unit.
Keeppowercordfreeofdust.
Ground.
Be sure
to do.
Donotusethewaterheaterfor
otherthanhotwatersupply,shower
andbath.
Prohibited
Prohibited
Donotcoverthewaterheaterand
theexhaustventterminal,storetrash
ordebrisnearit,orinanywayblock
theowoffreshairtotheunit.
Donotturnoffthewaterheater
whilesomeoneisbathing.
Prohibited
Donotuseabrokenormodiedpowercord.
Donotbind,bendorstretchpowercords.
Donotscratch,modify,orsubjectthemto
impactorforce.
Donottouchtheexhaustventpipeand
exhaustventterminalduringorimmediately
afteroperationofthewaterheater.
Do not install in locations where
excessivedustordebriswillbe
intheair.
Prohibited
Don’t
touch.
Prohibited
Be sure
to do.
Topreventburnsorscalding,turnoffthe
powerbuttonandwaituntiltheequipment
coolsbeforeperformingmaintenance.
Donotusecondensate,discharged
fromthedrainpipe,fordrinkingor
forconsumptionbyanimals.
Iftheunitisinstalledinalocationwith
veryhighhumidity,condensatemayform
insidetheunitand/orcauseincomplete
combustion,damagetotheelectrical
components,orelectricleakage.
Prohibited
Prohibited
[NCC300DV] [NCC300OD]
6
ImportantSafetyInformation-3
CAUTION
Donotdrinkwaterthathasbeeninsidethe
unitforanextendedperiodoftime.Donot
drinktherstuseofhotwaterfromthe
unitinthemorning.
Cleanthelteronthewaterinletas
frequentlyasrequiredbythequalityof
yourlocalwater.
Keeptheareaaroundtheunitclean.
If boxes, weeds, cobwebs, cockroaches etc. are in
the vicinity of the unit, damage or re can result.
Donotinstalltheequipmentwherethe
exhaustwillblowonwallsorwindows.
Problemsresultingfromscaleformation
arenotcoveredbythewarranty.
Thisunitisonlyapprovedforinstallation
upto4500ft.(1350m)abovesealevel.
For installations at higher elevations, contact Noritz
America for Instructions.
Checkignitionduringuseandextinction
afteruse.
Ifthewatersupplyisinexcessof12grains
per gallon (200 mg/L) of hardness, acidic
orotherwiseimpure, treatthewaterwith
approved methods in order to ensure full
warrantycoverage.( p.37) Preventingdamagefromfreezing( p.32)
Damage can occur from frozen water within the
device and pipes even in warm environments.
Be sure to read below for appropriate measures.
Repairs for damage caused by freezing are not
covered by the warranty.
Takenecessarymeasurestoprevent
freezingofwaterandleakageofgaswhen
leavingtheunitunusedforlongperiodsof
time.( p.33)
Donotusepartsotherthanthosespecied
forthisequipment.
Ifitissnowing,checktheexhaustvent
terminalforblockage.
Donotdisassembletheremotecontroller.
Donotusebenzene,oilorfatdetergents
tocleantheremotecontroller.
This may cause deformation.
Donotgettheremotecontrollerwet.
It is not water resistant, water can cause damage.
Do not splash water on the remote
controller.Donotexposetheremote
controllertosteam.
Do not locate the remote controller near stoves or
ovens, this may cause damage or failure.
Do not run water through the unit when
unitisnoton.
When discharging hot water, make sure the unit is ON.
If water is run through the unit with the unit
OFF, water may condense inside the unit and cause
incomplete combustion or damage to the internal
electrical components.
For single-handle xtures, you’d turn the handle to
the left.
7
ImportantSafetyInformation....................................................................... 2
Contents......................................................................................................... 7
OverviewofCondensingTanklessGasWaterHeater.............................. 8
RC-9018MOperationOverview.................................................................... 9
General Parts
Main Unit................................................................................................... 11
Remote Controller.................................................................................... 12
SystemCheck............................................................................................... 14
Initial Operation............................................................................................ 16
ForAllSystems
ClockAdjustment...................................................................................... 17
Using the Water Heater............................................................................. 18
Setting Hot Water Temperature................................................................ 19
AutomaticWaterHeater“ON”or“OFF”Operation............................... 20
LockingtheRemoteController................................................................ 22
CustomizableSettings<Miscsettings>.................................................. 23
ForSystem[Rcrc]
EnablingAutomaticRecirculationOperation......................................... 26
ManuallyStartingRecirculationOperation............................................ 27
SettingtheRecirculationSystemOperationTimer............................... 28
SingleWaterHeaterOnly
Flow Meter Alarm...................................................................................... 30
PreventingDamagefromFreezing............................................................. 32
Regular Maintenance................................................................................... 35
Troubleshooting........................................................................................... 38
Follow-upService........................................................................................ 43
Specications............................................................................................... 46
DefaultSettings............................................................................................ 47
Contents
8
Cold wate
r
Cold wate
r
Gas
Gas
Hot water
Hot water
Condensate
Combustion gas
About
400˚F (200˚C)
Exhaust Exhaust
About
120˚F (49˚C)
Conventional
type
Condensing
Tankless Gas
Water Heater
Water is heated
using the exhaust
gas which is about
400˚F (200˚C)
.
Primary heat exchanger
Primary heat exchanger
Secondary heat exchanger
condensate trap
Combustion gas
About
400˚F (200˚C)
About
400˚F (200˚C)
Thecondensingtanklessgaswater
heaterdischargescondensate.
When heat from the exhaust gas is collected within
the secondary heat exchanger, condensation occurs
from moisture in the exhaust gas and the resulting
water is discharged from the drain pipe (approx.
3 gallons/hour (11.3 liters/hour) maximum). It is not
a water leak. Do not plug or block the drain line as it
must always be allowed to freely ow.
Note : The condensate discharged is acidic with a pH
level of approximately 2-3.
A condensate neutralizer may be required by
local code prior to disposal.
Drain pipe
(Installation example)
OverviewofCondensingTanklessGasWaterHeater
This water heater is a high efciency, fully condensing appliance. Unlike a traditional tankless water
heater, a condensing type captures heat from the exhaust gas and uses it to preheat the incoming
cold water as it passes through the secondary heat exchanger as illustrated below.
Thecondensingtanklessgas
water heater tends to show
whitesteam.
After the exhaust gas passes through the
secondary heat exchanger, the low temperature
and high moisture content tends to produce
steam at the vent discharge terminal.
This is a normal occurrence.
Condensate
comes out from
here.
During combustion, white
steam may often be seen.
This is normal.
9
RC-9018MOperationOverview-1
PowerSavingMode
If you set "Powersave dsply" to "Yes" ( p.23),
unnecessary power consumption by the remote
controller is prevented. If approximately ten minutes
pass without using hot water or without pressing a
button, the display of the remote controller turns off.
Thissettingisadjustable p.23
[Whenusingonlyonewaterheater:]
Itispossibletosettheremotecontrollerto
alert the user when the
bathtubhasreached
apresetfillvolume
topreventoverfilling.
p.30
Itispossibletolock
remote controller
operation.
p.22
Itispossibleto
automaticallyturn
the water heater
“ON”or“OFF”.
[Forrecirculationsystems( )]
Itispossibletocirculatehotwateronly
duringpreferredtimesofday.
p.20 p.28
Automatically
turned "ON"
Automatically
turned "OFF"
Pi Pi !!
Basic operation
Theinitialsettingissetto"Powersavedsply:No-1"
* If you use hot water or press a button, "Powersave dsply" is released.
If you press the PROG button only once, "Powersave dsply" is released and the automatic program
function will operate.
* If the setting temperature is set to 125°F/55°C or more, "Powersave dsply" will not function to prevent
accidental scalding.
* If "Recirc" is operating, "Powersave dsply" will not function.
Thedisplayturnsoff
(operation is "ON")
10
RC-9018MOperationOverview-2
Theremotecontrollercanbecustomizedbasedonthepreferenceoftheuserinthefollowingways:
The remote controller
displaycanbeturned
offtosavepower.
Theclockdisplaycanbe
showneventhoughthepower
ON/OFF
buttonissetto"OFF".
What time is it now?
Can I save
power?
Thebrightnessofthe
remotecontrollercanbe
adjustedfor
bettervisibility.
Additional Settings
p.25"DrainingtheWaterHeater"Drainingthewaterheater(freezeprevention).
p.25"RestoringDefaultSettings"Restoringdefaultremotecontrollersettings.
Thesettemperaturecanbe
restrictedtoamaximumlevel
topreventhightemperature
settingsfrom
beingselected.
p.23
Theremotecontrollercanbe
muted so that it does not emit a
tonewhenabuttonispressed.
Pi
Pi ! Pi !
UserPreferences
AdjustingtheMaximum
Output Temperature
RemoteControllerDisplay
Brightness Settings p.24
Theremotecontrollercanbe
muted so that it does not emit
atonewhenanerroroccurs.
PowerSavingModes p.23
Error Tone Settings p.24
Muting the
Remote Controller p.24
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