Noritz NR83-DVC Bedienungsanleitung
SBA8443
Rev. 04/10
Model NR83-DVC
TANKLESS GAS WATER HEATER
Owner’s Guide
NORITZ America Corporation
- Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the
gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
- Installation and service must be performed by a qualified installer, service
agency or the gas supplier.
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury, or death.
WARNING
Thank you for purchasing this Noritz Tankless Gas Water Heater. Before
using, please:
Read this manual completely for operation instructions.
Completely fill out the warranty registration card (included separately) and
mail the detachable portion to Noritz America Corporation.
Keep this manual (and the remainder of 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.
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 specifications of its products without notice.
FOR USE IN RESIDENTIAL, COMMERCIAL, OR MANUFACTURED HOME APPLICATIONS.
*SBA8443*
Low NOx
Approved by
SCAQMD
CERTIFIED
R
2
Prohibited Don’t
touch.
Don’t
disassemble
the equipment.
Don’t touch
with a wet
hand.
No flame.
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
Icons warning of risk level
Important Safety Information-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.
Vapors from flammable liquids will explode and catch fire causing death or severe burns.
Do not use or store flammable products such as gasoline, solvents or
adhesives in the same room or area near the water heater.
Prohibited
Keep flammable products:
1. Far away from the water
heater.
2. In approved containers.
3. Tightly closed.
4. Out of children’s reach.
Vapors:
1. Cannot be seen.
2. Vapors are heavier than air.
3. Go a long way on the floor.
4. Can be carried from other rooms
to the main burner by air currents.
Hot Water Heater temperatures over 125°F (52°C) can cause severe burns
instantly or death from scalding.
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 flame.
(Continued)
WARNING
Be sure
to do.
When a gas leak is noticed:
1. Stop use immediately
2. Close the gas valve
3. Open windows and doors
If you detect abnormal combustion
or abnormal odors, or during an
earthquake, tornado or fire:
1. Turn off the hot water supply
2. Turn off the power to the water
heater
3. Turn off gas and water supply
valve.
4. Call the nearest Noritz agent
Be sure
to do.
Do not allow anyone to change the
water temperature while hot water is
being used.
To prevent scalding, do not change the wa-
ter temperature to a higher setting.
Prohibited
A. This water heater does not have
a pilot. It is equipped with an
ignition device that automatically
lights the burner. Do not try to
light the burner by hand.
B.
BEFORE OPERATING smell all
around the water heater area for
evidence of leaking gas. Be sure
to smell next to the floor because
some gas is heavier than air and
will settle on the floor.
WHAT TO DO IF YOU SMELL GAS.
• Do not try to light any
appliance.
• Do not touch any electrical
switch; do not use any phone
in your building.
•
Immediately call your gas
supplier from a neighbor’s
phone. Follow the gas supplier’s
instructions.
•
If you cannot reach your gas
supplier, call the fire department.
C. Use only your hand to turn
the gas valve knob. Never use
tools. If the knob will not turn by
hand, don’t try to repair it. Call
a qualified service technician.
Force or attempted repair may
result in a fire or explosion.
D. Do not use this water heater if
any part has been under water.
lmmediately call a qualified
service technician to inspect the
water heater and to replace any
damaged parts.
(Continued)
Prohibited
Do not use the water heater if
the concentric pipe is displaced,
has holes, is clogged or is
corroded.
Check the temperature
of the running hot water
before entering the
shower.
Check the temperature
before stepping into
the bath tub.
High
Temperature.
Explosion Hazard ;
If the temperature and pressure relief
valve is dripping or leaking, have a
qualified service technician replace it.
Do not plug or remove the valve.
Failure to follow these instructions can re-
sult in fire or explosion, and personal injury
or death
Prohibited
4
Do not place the flue terminal in an
indoor environment by means of add-
ing walls and ceiling (Do not enclose
using corrugated sheets, etc.)
Carbon monoxide poisoning or fire may
occur as a result.
Important Safety Information-2
(Continued)
If this unit will be installed in a beauty
salon or other location where hair
spray or aerosols will be used, locate
the unit in a separate area that is
supplied with fresh air from outdoors.
Prohibited
Be sure the gas/power
supplied matches the
gas on the rating plate.
For Natural Gas
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
Be sure
to do.
Be sure
to do.
(Continued)
Prohibited
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Prohibited
Do not place or use a spray can
near
the water heater or the flue terminal.
Do not use hair spray or spray
detergent in the vicinity of the
heater.
Prohibited
Prohibited
Do not place outdoors
Rain may enter the unit
or the burner fire may be
blown by the wind, caus-
ing malfunction or fire as a
result.
Prohibited
Outdoor
Leave the proper clearance between
the water heater and nearby objects
(trees, timber, boxes with flammable
materials etc.).
Be sure
to do.
*Indicates suggested clearances for maintenance.
Left side:
Min. 2" (50mm) Right side:
Min. 2" (50mm)
Front:
Sug. 24" (600mm)*
Sug. 3" (75mm)
from concetric
pipe*
Upper: Min.
12" (300mm)
Flue terminal
Do not place combustibles such as
laundry, newspapers, oils etc. near
the heater or the flue terminal.
Prohibited
Flue terminal
Do not use combustible chemicals
such as oil, gasoline, benzene etc. in
the near the heater or the flue terminal.
Prohibited
Carbon Monoxide Poisoning Hazard.
Do not install this water heater in a
recreation vehicle or on a boat.
Prohibited
WARNING
180,000
151,200
172,000
144,500
180,000 BTU
18,000 BTU 182 4.0
1.0 2.5"
10.5"
689
10.3b-2008
15 150
4.3b-2008
2
NR83-DVC
5
(Continued)
Do not allow small children to play
unsupervised in the bathroom.
Do not allow small children to
bath unsupervised.
Do not touch the power
cord with wet hands.
Electric
Shock.
Don’t touch
with a wet
hand.
Prohibited
Contact Noritz before using with
a solar pre-heater.
Contact a qualified service
technician for any necessary
repairs, service or maintenance.
Consult the nearest Noritz agent if
the water heater location needs to
be changed.
Don’t
disassemble
the equipment.
Be sure
to do.
Be sure
to do.
California Proposition 65 lists chemical
substances known to the state to cause
cancer, birth defects, death, serious illness
or other reproductive harm. This product
may contain such substances, be their
origin from fuel combustion (gas, oil) or
components of the product itself.
CAUTION
Be sure to electrically ground the
unit.
Keep power cord free of dust.
Ground.
Be sure
to do.
Do not use the water heater for
other than hot water supply, shower
and bath.
Prohibited
Prohibited
Do not cover the water heater and
the flue terminal, store trash or
debris near it, or in any way block
the flow of fresh air to the unit.
Do not turn off the water heater
while someone is bathing.
Prohibited
Do not use a broken or modified
power cord. Do not bind, bend or
stretch power cords.
Do not scratch, modify, or subject
them to impact or force.
Do not touch the flue terminal
and concentric pipe during or
immediately after operation of the
water heater.
Do not install in locations where
excessive dust or debris will be
in the air.
Prohibited
Don’t
touch.
Prohibited
Be sure
to do.
To prevent burns or scalding, turn
off the power button and wait until
the equipment cools before per-
forming maintenance.
The gas conversion kit shall be installed by a
qualified service agency in accordance with
the manufacturer’s instructions and all
applicable codes and requirements of the
authority having jurisdiction. The
information in the instructions must be
followed to minimize the risk of fire or
explosion or to prevent property damage,
personal injury, or death. The qualified
service agency is responsible for the proper
installation of this kit. The installation is not
proper and complete until the operation of
the converted appliance is checked as
specified in the manufacturer’s instructions
supplied with the kit.
6
Important Safety Information-3
CAUTION
Do not drink water that has been inside the
unit for an extended period of time. Do not
drink the first use of hot water from the
unit in the morning.
Clean the filter on the water inlet as
frequently as required by the quality of
your local water.
Keep the area around the unit clean.
If boxes, weeds, cobwebs, cockroaches etc. are in
the vicinity of the unit, damage or fire can result.
Do not install the equipment where the
exhaust will blow on walls or windows.
Problems resulting from scale formation
are not covered by the warranty.
This unit is only approved for installation
up to 4500 ft. (1350m) above sea level.
For installations at higher elevations, contact Noritz
America for Instructions.
Check ignition during use and extinction
after use.
Do not run water through the unit when
unit is not on.
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 fixtures or valves, discharge
water setting the handle completely
to the water side.
If the water supply is in excess of 12 grains
per gallon (200 mg/L) of hardness, acidic
or otherwise impure, treat the water with
approved methods in order to ensure full
warranty coverage. Preventing damage from freezing ( p.17)
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.
Take necessary measures to prevent
freezing of water and leakage of gas when
leaving the unit unused for long periods of
time. ( p.18)
Do not use parts other than those specified
for this equipment.
If it is snowing, check the flue terminal for
blockage.
Do not disassemble the operation panel.
Do not use benzene, oil or fat detergents
to clean the operation panel.
This may cause deformation.
Do not get the operation panel wet.
Although it is water resistant, too much water can
cause damage.
Do not splash water on the operation
panel. Do not expose the operation panel
to steam.
Do not locate the operation panel near stoves or
ovens, this may cause damage or failure.
7
Important Safety Information....................................................................... 2
Contents......................................................................................................... 7
General Parts
Main Unit.................................................................................................... 8
Operation Panel......................................................................................... 9
Initial Operation............................................................................................ 10
How to Use
Muting the Operation Panel ..................................................................... 11
Setting and Using the Water Heater ........................................................ 12
Flow Meter Alarm ...................................................................................... 14
Adjusting the Maximum Output Temperature ........................................ 16
Preventing Damage from Freezing............................................................. 17
Regular Maintenance................................................................................... 19
Troubleshooting........................................................................................... 21
Follow-up Service ........................................................................................ 26
Specifications............................................................................................... 28
Contents
8
Indoor Wall Mounted, Power Vent/Sealed Model
* The above illustration shows an example of installation.
The exact installation configuration may be slightly different.
Main Unit
Front Cover
Water Supply Valve
Gas Supply Valve
Water Drain Valve
(with Water Filter)
(Inside Water Inlet)
(p.20)
Pressure Relief Valve
General Parts
Operation Panel
Concentric Pipe
9
Operation Panel (RC-7651M)
For setting the hot
water temperature,
the flow meter alarm,
and other settings.
Power On/Off Button
For turning the
heater on and off.
Flow Meter Alarm Set Button
For setting the flow
meter alarm.
(p.14 - 15)
Setting Buttons
* Before use, remove the protective sheet from the operation panel surface.
Temperature Setting
(Ex.:110°F)
Flow Meter Setting
The display will flash
after hitting the flow
meter alarm set button.
( p.15)
Error Code
When this indicator is lit,
the hot water temperature
can be set. (p.12)
What is actually displayed depends on how the water heater is set.
A number will flash if
a failure occurs.
(p.25)
Priority Indicator
Burner On Indicator
When burning, the
indicator is lit.
( p.13 and 15)
Note: As shipped from the factory, the remote controller is set to display in °F and gallons.
To adjust the display to °C and liters, refer to the Installation Manual.
10
Initial Operation
Before the first use of your water heater, make the following preparations.
Follow steps 1 through 4.
1Open the water supply valve.
Open a hot water fixture to confirm that
water is available, and then close the
fixture again.
3Open the gas supply valve.
Hot water fixture
2
Turn on the power.
CLOSED
4
OPEN
Do not touch with wet hands.
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