Noritz NR32DQF User manual

NORITZ PRE-HEATING TYPE GAS WATER HEATER
樂麗牌預熱式氣體熱水爐
OPERATING INSTRUCTIONS
操作手冊
Model NR32DQF NR32DQF型
Model NR24DQF NR24DQF型
香港煤氣適用
FOR HONG KONG TOWN GAS
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P00 14.12.8, 5:25 PMPage 2 AdobePageMaker6.5J/PPC

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CONTENTS
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . 2-3
Names and Functions of Components . . . . . . . 4-7
Operation Procedure
Producing Hot Water . . . . . . . . . . . . . . . . . . . . 8-9
Circulation Mode . . . . . . . . . . . . . . . . . . . . . . . . 10
When Not Use for a Long Period
. . . . . . . . . . . . 11
Regular Inspection and Cleaning
. . . . . . . . . . . . . 12
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installation Example . . . . . . . . . . . . . . . . . . . . . . . . 14
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
According to the Gas Safety Ordinance of Hong Kong, any gas installation works
including the installation of appliances and connection tubing, must be undertaken
by registered gas installers who are registered for that appropriate classes and be
employed by registered gas contractors.
Attention!

2
SafetyPrecautions
Thefollowingcategoriesandsymbolsareusedtopreventinadvancetheendangering
ofuserandothersanddamagetoproperty.
Besuretoread,thoroughlyunderstandandfollowthecontentsbelowastheyarevery
importanttomaintainsafety.
DANGER
WARNING
CAUTION
Dangerofseriousinjuryorevendeathaswellasdangerof
firewhen wrong action is undertaken by ignoringthissymbol.
Possibilityofseriousinjuryorevendeathaswellaspossibility
offirewhentheproductismisusedbyignoringthissymbol.
Possibilityofbodilyinjuryordamagetopropertywhenthe
productismisusedbyignoringthissymbol.
Contentstobefollowedforthesafeuseofthisproduct.
NOTE
Pleasefollowallsafetyinstructionsandwarnings.
Before using the
shower,checkthe
watertemperature
withyourhand.
Topreventscalding
Also,whentakinga
bath,checkthewater
temperaturewithyour
handbeforeentering
thetub.
DANGER
■Categoriesindicatingdegreeofdanger
Whenagasleakisnoticed:
１. Stopuseimmediately.
２. Closethegasvalve.
３. Openwindowsanddoors.
４. CalltheTowngasEmergencyHotlineat2880-
6999fromthenearestoutsidetelephone.
Thefollowingactionsareprohibitedduringagasleak:
１. Donotignitefire.
２. Donotturnonoroffofanyelectricalappliance.
３. Donotinsert/removepowerplugs.
４. Donotusenearbytelephonesandmobile
telephones.
５. Donotusefiretofindsourceofgasleak.
６. Donotpressnearbydoorbellslocatedon
thesamefloor.
７. Donotreopenthegasvalveuntilthegasis
nolongerleaking.
Donotusewhentheexhaust
pipeisnotproperlymounted
orwhenthereareholes,bird
nestsorclogging.
Exhaustgasmay
leakindoors,causing
carbonmonoxide
poisoning.
WARNING
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
Caution:
High
Temperature
h
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break
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１.Closethehotwatertap
２.TurnofftheON/OFFButton
３.Closethegasvalveandcoldwatersupplyvalve
４.ContactTowngasCompany
Topreventfire,electricalshock,malfunction,etc.
Performthefollowingwhenabnormal
combustionorodorisnoticedorduring
emergencysuchasan
earthquake,fire,etc:
Usinggas/power
supplyotherthanthat
displayedwillcause
abnormalcombustion
andmayleadtofireor
electricalshockasa
result.
Alwaysusegasandpowersupplyindicated
onthedataplatetoconnectwaterheater.
Topreventfire.
10cmor
more
60cmor
more
10cmor
more
5cmor
more
Placeunitawayfromcombustibles
(Curtains,wood,boxes,etc.)
CAUTION
PrecautionsofBacteria
Cultivation(e.g.Legionella)
Donotuseforpurposesother
thantosupplyhotwaterforuse
inbathroomorkitchen.
Topreventunexpectedaccidents.
Donottouchtheairintake/exhaust
flueortheflueterminalduringand
forsometimeafteruse.
Topreventscalding
Installation
1.
Minimizepipelength,andavoiddeadlegsand
stagnantcornersinhotwaterpipework.
2.Minimizethedistancebetweenhotwater
outletandwatertap.
Operation
1.
Ifwaterheaterisnotusedformorethanone
week,drainawaystagnantwaterinpipework
beforeuse.Duringwaterpurging,avoid
generationofwatermist.Useextensionpipeto
connectwateroutletanddrainpoint.
Methodofwaterpurging:
)Turnoffwaterheaterandfullyopenthe
hotwatertapofmostfarawayfrom
waterheaterfor1minute.
)
Turnoffthehotwatertap,thensetwater
temperatureat60℃andturnonwater
heaterandcirculationmodefor3minutes.
)Settemperatureto40℃andturnoff
waterheater,thenfullyopenthehot
watertapfor1minuteagain.
2. Tosaveenergyandtopreventbacteriacultivation,
donotswitchoncirculationmodeforlongperiod
withouthotwateruse.Switchoffwaterheater
completelywhenhotwaterisnotused.
Donotdrinkoruseforcookingwithwater
storedintheunitforalongtime.
Donotuseforcommercialpurposes
Servicelifeofproductwillbereduced.
Donotleavecombustibles
nearby.(Laundry,newspaper,
kerosene,etc.)Also,donotuse
flammablesubstancessuchas
kerosene,gasoline,benzene,
etc.,neartheappliance.
Firemayoccurasaresult.
NOTE
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NamesandFunctionsofComponents-1
MainUnit
FrontCover
GasValve
ColdWaterValve
●
●
●
●
ExhaustOutlet
●
AirInlet
HotWaterPipe
●
●
HOTTER
COOLER
水 温
WATERTEMP
℃
INUSE
使用中
開關
ON/OFF
ON/OFF
高温
低温
準備
ON
循環
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF
ON/OFF
CIRCULATION
CIRCULATION
高温
低温
優先
選控
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF
ON/OFF
PRIORITY
PRIORITY
高温
低温
Sub-ShowerSub-Shower
Sub-ShowerSub-Shower
Sub-ShowerRemoteControlRemoteControl
RemoteControlRemoteControl
RemoteControl
RC-6242BRC-6242B
RC-6242BRC-6242B
RC-6242B
MainMain
MainMain
MainRemoteControlRemoteControl
RemoteControlRemoteControl
RemoteControl
RC-6242MRC-6242M
RC-6242MRC-6242M
RC-6242M
ShowerShower
ShowerShower
ShowerRemoteControlRemoteControl
RemoteControlRemoteControl
RemoteControl
RC-6242SRC-6242S
RC-6242SRC-6242S
RC-6242S
HotWaterReturnPipe
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水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
循環
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF CIRCULATION
高温
低温
TemperatureDisplay
ErrorMessage
Errorcodeisdisplayedwhen
amalfunctionoccurs.
( seepage13)
(Example:40℃)
MainRemoteControl(RC-6242M)
ON/OFFButton
Usetoturnonoroff
thewaterheater.
DisplayScreen
INUSELamp
ONLamp
Forsettingwater
temperature.
( seepage8)
TemperatureControl
Button
Indicatethesettingtemperature.Errorcode
isdisplayedwhenamalfunctionoccurs.
DisplayScreen
 CIRCULATIONButton
（Seebelow)
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水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
優先
選控
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF PRIORITY
高温
低温
DisplayScreen
(Example:38℃)
TemperatureDisplay
ErrorMessage
Errorcodeisdisplayedwhen
amalfunctionoccurs.
(seepage13)
ONLamp
INUSELamp
( seepage8)
（ seepage9)
PRIORITYButton
ON/OFFButton
 ShowerRemoteControl(RC-6242S)[Optional]
Usetoturnonoroff
thewaterheater.
NamesandFunctionsofComponents-2
DisplayScreen
Indicatethesettingtemperature.Errorcode
isdisplayedwhenamalfunctionoccurs.
TemperatureControl
Button
（Seebelow)
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Sub-ShowerRemoteControl(RC-6242B)[Optional]
HOTTER
COOLER
水 温
WATERTEMP
℃
INUSE
使用中
開關
ON/OFF
ON/OFF
高温
低温
準備
ON
( seepage8)
ON/OFFButton
Usetoturnonoroff
thewaterheater.
DisplayScreen
Indicatethesettingtemperature.Errorcode
isdisplayedwhenamalfunctionoccurs.
DisplayScreen
水 温
WATERTEMP
℃
INUSE
使用中
準備
ON
(Example:38℃)
TemperatureDisplay
ErrorMessage
Errorcodeisdisplayedwhen
amalfunctionoccurs.
(seepage13)
ONLamp
INUSELamp
TemperatureControl
Button
（Seebelow)
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水 温
WATERTEMP
℃
INUSE
使用中
準備
ON
優先
選控
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
開關

ON/OFF PRIORITY
高温
低温
循環
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF CIRCULATION
CIRCULATION
高温
低温
水 温
WATERTEMP
℃
INUSE
使用中
準備
ON
Press the ON/
OFFButton
1
CAUTION
Caution:
High
Temperature
Topreventscalding:
●Whenusingtheshower,firstcheckthetemperature
settingontheremotecontrolandtheactualhotwater
temperaturewithyourhandbeforeshowering.
●Whensettingthetemperatureto60℃or75℃,you
willbenotifiedwiththeflashingtemperaturedisplay
forabout10seconds.
●Checkcarefullythetemperatureonthedisplaybefore
use.Takespecialcautionwhenusingafterhigh
temperaturesettingsof60℃or75℃.
（ShowerRemoteControl）
1
2
MainRemoteControl（RC-6242M）
2
1
(OperationProcedure)
ProducingHotWater
Previoustemperature
setting or max.60℃
(Example:38℃)
 Flashing Steady
＜ Attentionfor
hightemperature ＞
※ Thehotwatertemperature
settingisshown.
Lampison
開關
ON/OFF
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水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
HOTTER
COOLER
高温
低温
234
AdjusttheTemperature
Ifyoudonotadjustthetemperature,makesureyou
confirmthecurrenttemperaturesettingbeforeuse.
（ ）
FirmlyTurnOffHot
WaterTap
TurnOnHotWaterTap
＜ Lasttemperaturesettingretaineduntilyouresetthetemperature ＞
Confirmpriorityandwatertemperature
Lamp is off
Raisestemperature
Lowerstemperature
Hotwatertemperature
Lampison
OnlytheremotecontrolwithitsONlamplitupcansetthetemperature.
Press button.
Adjustingtemperature using
ShowerRemoteControl,butON
lampisnotlitup.
Adjusting temperatureusing
MainorSub-Shower  Remote
Control,butONlampisnotlit
up.
Dishwashing,etc.
Kitchen,etc. Veryhot
Thetemperaturecanbesetatintervalsof1℃
between37-48℃,thenat60℃and75℃.
Pressbutton
toturnoff
thepower,
thenpress
buttonagain
toturnon
waterheater.
●TheONlamplightsupand
thatremotecontrolcanbe
usedtosetthewater
temperature.
● Ifwaterheaterisinuse,
theactiontochange
thepriorityof
temperatureselection
cannotbeperformed.
Iftheprevioussettemperaturewas75℃,thesettemperaturewillchangeto60℃
asasafetymeasurewhenthewaterheateris turnedoffandonagain.
（Temperaturesettings:℃）
37 38 39 40 41 42 43 44 45 46 47 48 60 75
PRIORITY
優先
選控
ON/OFF
ON/OFF
開關
開關
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
Shower,hotwater
supply,etc.
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水 温
WATERTEMP
℃
INUSE
使用中
準備
ON
循環
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF
ON/OFF
CIRCULATION
CIRCULATION
高温
低温
CAUTION
Topreventscalding:
● Takeparticularcaretoavoidscaldingashotterwaterwillbedispensedforsome
timewhentheprevioussettemperatureishigherthanthecurrentsettemperature
(sincethehotwaterinthepiperemainshot).
● WhenPRIORITYsettingischangedtoothercontrolunit,circulationmodecontinuous
runningattheprevioussettemperature.Checkthedisplayedtemperaturebefore
usingtheappliance.
● Forsafetyandpreventscalding,maximumhotwatertemperaturesettingfor
"circulation"is60℃.
● Whilethecirculationmodeisoperating,the"INUSE"lampturnsonandoffinintervals
whetherornotthehotwatertapisopened(forthepurposeofkeepingwarm).
2
3
(OperationProcedure)
CirculationMode
Previoussettemperature
(Example:38℃)
Circulationmode:
Waterinthesupplypipingispre-
heatedandkeptwarmattheselected
temperaturesetting.Hotwateris
availableimmediatelywhenturningon
hotwatertap.
Pressthe
ON/OFFButton
1
※Thehotwatertemperaturesettingisshown.
Lampison
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
HOTTER
COOLER
高温
低温
23
AdjusttheTemperature
Ifyoudonotadjustthetemperature,makesureyou
confirmthecurrenttemperaturesettingbeforeuse.
（ ）
Pressthe
CirculationButton
＜ Thesettemperatureremainsinmemoryuntilyouresetthetemperature. ＞
Confirmpriorityandwatertemperature
Increase
temperature
Decrease
temperature
Hotwatertemperature
開關
ON/OFF
循環循環
CIRCULATIONCIRCULATION
 Lightsup
TheCIRCULATIONlamplightsup.
Tostopcirculationmode
Pressthecirculationbutton
onceagain(TheCIRCULATION
lampisoff).
Forsavingofgas,itis
suggestedturningoffthe
"circulation"buttonifpre-
heatingisnotrequired.
循環
循環

CIRCULATION
1
Caution:
High
Temperature
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BeforeReusingtheAppliance
HowtoDrainWaterfromtheMainBody
Drainthewaterusingtheprocedurebelow.
CAUTION
1Closethegasvalve.
2PresstheON/OFFbuttononremotecontroltoturn
onwaterheater.
3Afterwaitingatleast10seconds,presstheON/OFF
buttontoturnoffwaterheater.
4Closethemainwaterinlet.
5Fullyopenthehotwatertap.
6Turnthewaterdrainplugtothelefttoopenit.
7Confirmthatallwaterhasbeendrainedoutthrough
thewaterdrainageoutlet,thenturnthewaterdrain
plugtotherighttocloseit.
１．Checkthatallthewaterdrainplugsareclosed.
２．Turnoffallhotwatertaps.
３．Fullyopenthecoldwatervalve.
４． Openthehotwatertap,checkthatcoldwatercomesoutandthenturnthetapoff.
５．Fullyopenthegasvalve.
６．PresstheON/OFFbuttontoturnonwaterheater.
WhenNotUseforaLongPeriod
Donotalteranythinguntilyoureusetheappliance.
Afterusinghotwater,thewaterwithintheunitis
extremelyhot.Waituntilthewatercoolssufficiently
beforeperforminginspection.
Topreventscalding
Hotwatertap
Waterdrainplug
Caution:
High
Temperature
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12
h
o
l
e
break
d
isc
o
nne
c
t
Besuretoswitchoffthewaterheaterwhenperforming
inspection.Afterusinghotwater,thewaterwithintheunit
isextremelyhot.Waituntilthewatercoolssufficientlybefore
performinginspection.Topreventscalding.
CAUTION
Forsoilingontheunitexterior,wipewitha
wetclothanddrythoroughly.
Forstubborndirt,useneutraldetergent.
Forsoilingonthesurfaceoftheremotecontrol,
cleanwithadampcloth.
●
MainUnit RemoteControl
●Donotusebenzeneoroil-containing
detergentswhencleaningtheremote
control.Itmaycausedeformation.
●Theremotecontroliswaterresistant.
However,intentionalexposuretowater
istobeavoided.
REGULAR CLEANING(tobeperformedperiodically)
REGULAR INSPECTION(tobeperformedperiodically)
●
Isthereanyabnormaldiscoloration
ordamageontheunitexterior?
Isthereanyabnormalsound
whenthewaterheateroperates?
CHECK!
CHECK!
Is there any water leaks from
the water heater and water
piping?
CHECK!
Istheflueterminalproperly
mounted,freeofholesand
cloggeddirt?
Arethereinflammable
materialsnearthe
appliance andflue
terminal ?
CHECK!
CHECK!
REGULARINSPECTIONANDCLEANING
●
10 cm or
more
60 cm or
more
5 cm or
more
10 cm or
more
Caution:
High
Temperature
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循環
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF
ON/OFF
CIRCULATION
CIRCULATION
高温
低温
優先
選控
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF
ON/OFF
PRIORITY
PRIORITY
高温
低温
HOTTER
COOLER
水 温
WATERTEMP
℃
INUSE
使用中
開關
ON/OFF
ON/OFF
高温
低温
準備
ON
Troubleshooting
Whenamalfunctionoccurs,thecauseisnotifiedwithaflashingErrorcodeandONlamp.
Inthiscase,taketheappropriateremediesasshownbelow.
Codedisplayed Fault Remedy
60minutescontinuouscombustion
Ignitionfailure
PressON/OFFbuttontoturnoffwaterheater,
andthencheckwhetherthegasvalve
isopenedandthegassupplyisnot
interrupted.Ifgassupplyisnormal,press
ON/OFFbuttontoswitchonwaterheater.If
thereisnoerrordisplaywhenthehotwater
tapisopenedandclosedseveraltimes,the
unitisoperatingnormally.Iftheerror code
stillpersists, please call service.
Closethehotwatertap,pressON/OFFbutton
toturnoffandonthewaterheateragain.
<Note>
Theerrorcodemaydisappearwhenclosingandopeningthehotwatertap.
Iferrorcodedoesnotdisappear,turnoffthepowersupplyandwaitfor10
seconds,thenturnonthewaterheateragain.Iferrorcodestillpersists,
pleasecontacttheTowngasCustomerServiceHotlineat2880-6988.
＜ MainRemoteControl ＞ ＜ShowerRemoteControl ＞ ＜ Sub-ShowerRemoteControl ＞
Example:When《 》isdisplayed,flashingdisplayshownbelow.
Flashing
Flashing Flashing
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InstallationExample
HOTTER
COOLER
水 温
WATERTEMP
℃
INUSE
使用中
開關
ON/OFF
ON/OFF
高温
低温
準備
ON
循環
HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
ON/OFF
ON/OFF
CIRCULATION
CIRCULATION
高温
低温
優先
優先

選控
選控

HOTTER
COOLER
水 温
WATERTEMP
℃
準備
ON
INUSE
使用中
開關
開關

ON/OFF
ON/OFF
PRIORITY
PRIORITY
高温
低温
Sub-ShowerSub-Shower
Sub-ShowerSub-Shower
Sub-ShowerRemoteControlRemoteControl
RemoteControlRemoteControl
RemoteControl
RC-6242BRC-6242B
RC-6242BRC-6242B
RC-6242B
MainMain
MainMain
MainRemoteControlRemoteControl
RemoteControlRemoteControl
RemoteControl
RC-6242MRC-6242M
RC-6242MRC-6242M
RC-6242M
Notes:
Fordetailsofinstallationrequirements,seeInstallationmanualforreference.
ShowerShower
ShowerShower
ShowerRemoteControlRemoteControl
RemoteControlRemoteControl
RemoteControl
RC-6242SRC-6242S
RC-6242SRC-6242S
RC-6242S
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15
H615mm × W464mm× D240mm
32kg
AC220V (50Hz)
140W
687kPa (7.0kgf/cm²)
9.81kPa (0.1kgf/cm²)
3.5L/ min
Fanned Draught Room Sealed
NR32DQFModel
Type
Maximum Operating Water Pressure
Minimum Operating Water Pressure
Minimum Operating Water Flow
External Dimensions
Weight (Main Body)
Hot Water Outlet
R 3/4
R 3/4
Cold Water Inlet
Gas Inlet
Connection
Rated Electricity Consumption
Flame failure safety device, Waterless heating prevention device,
Pressure relief safety device, Overheating prevention device,
Overcurrent protection device, Earth leakage safety device,
Boiling prevention device, Fan revolution sensor
Safety Devices
Power Supply
NR24DQF
Water
Pressure
Gas type Hong Kong Town Gas
R 3/4
Recommended Maximum
Flow and Return Total
Pipe Run
50m
37 - 48ºC ( 1ºC step ), 60ºC, 75ºC
Temperature Range (ºC)
The appliances comply with Hong Kong Electrical Product (Safety) Regulation.
Gas Supply Pressure 1.5kPa
Rated Heat Input (Max.) 69.2kW
Hot Water
Capacity
(Max.) L/min
Water Temp.+25ºC Rise
Water Temp.+40ºC Rise
32
20
52.3kW
24
15
R 1/2
Hot Water Return
SAP8383-3_EN 15.2.13, 11:11 AMPage 15 Adobe PageMaker 6.5J/PPC
SPECIFICATIONS
Specifications

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注意！
根據香港氣體安全條例，任何氣體裝置工程，包括爐具和接駁喉管的安裝，必須
由註冊氣體裝置技工執行，而該技工已於相關的氣體工程類別註冊及受聘於註冊
氣體工程承辦商。
目 錄
安全注意事項.................................................. 2-3
各部件名稱與用途...............................................4-7
操作程序 產生熱水.............................................8-9
循環啟動...............................................10
長時間未使用的情況..............................................11
日常檢查、清潔的方法............................................12
故障判斷........................................................13
安裝例..........................................................14
規格............................................................15

安全注意事項
2
請遵守所有的安全指示及警告提示
為了避免對使用人員及其他人員造成危害及財產損害，特作如下區分及標示。
下列有關安全的重要事項，敬請嚴格遵守，並在充分理解內容的基礎上正確使用。
危險
建 議
警告
注意
若忽視此符號，並進行錯誤行動，極有可能導致人員死
亡、重傷或引起火災。
若忽視此符號，並進行錯誤操作，有可能導致人員死亡、重
傷或引起火災。
若忽視此符號，並進行錯誤操作，有可能導致人員受傷或造
成財物損害。
為了安全、方便地使用，希望予以了解的內容。
煙氣洩漏到室內，會
導致一氧化碳中毒。
穿孔
破裂
脫落
預防燙傷
注意:高溫
先用手
試水溫
淋浴時，請先用手
確認水溫，合適後
才使用。
入浴時，也請用手
確認水溫，合適後
才使用。
請勿在排煙筒出現脫落、破裂、
築有鳥窩、堵塞等狀態下使用
若發覺有煤氣泄漏
1. 立即停止使用
2. 關閉煤氣掣
3. 打開門窗
4. 請使用室外的電話與煤氣公司緊急事故熱線
2880-6999 聯繫。
發生漏氣時，嚴禁以下事項
1. 請不要點明火
2. 禁止開，關電器產品
3. 不要插拔電源插頭
4. 不使用周圍的電話、手機
5. 嚴禁使用火測試是否漏氣
6. 嚴禁按位於相同樓層附近的門鈴
7. 嚴禁在漏氣處理完畢之前再次打開煤氣掣
■ 根據危害、損害程度進行的內容區分
警告
危險
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
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