Noritz NH199-DV Guida
SBA8382
Rev. 09/09
Models : NH199-DV
NH150-DV
GAS-FIRED DIRECT VENT BOILER
User’s Information Manual
NORITZ America Corporation
Thank you for purchasing this Noritz Gas-Fired Direct Vent Boiler.
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 or CAN/CSA B149.1.
Noritz America reserves the right to discontinue, or change at any time, the
designs and/or specifications of its products without notice.
Low NOx
Approved by
SCAQMD
CERTIFIED
R
-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
Accepted For Use
City of New York
Department of Buildings
MEA 20-07-E
*SBA8382*
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 boiler 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 boiler.
Prohibited
Keep flammable products:
1. Far away from the boiler.
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.
When the boiler is used as the heat source for an indirect
storage tank, the temperature of the water will be 140°F -
180°F (60°C - 83°C). Install an anti-scald mixing valve on the
hot water supply side of the indirect tank to prevent scalding.
(Continued)
Hot Water temperature 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.
Prohibited
Be sure
to do.
3
No flame.
(Continued)
Prohibited
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 heating system
2. Turn off the power to the boiler
3. Turn off gas, return/supply valve.
4. Call the nearest Noritz agent
Be sure
to do.
Prohibited
Explosion Hazard ;
If the safety 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 result
in fire or explosion, and personal injury or
death
Prohibited
(Continued)
A. This boiler 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
boiler
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 boiler if any part
has been under water.
lmmediately call a qualified
service technician to inspect the
boiler and to replace any
damaged parts.
Do not use the boiler
if the intake/ exhaust
pipe is displaced,
has holes is
clogged, or is
corroded.
Do not allow anyone to change the
domestic hot water temperature
while hot water is being used.
To prevent scalding, do not change the wa-
ter temperature to a higher setting.
Prohibited
Be sure
to do.
Should overheating occur or the gas
supply fail to shut off, do not turn off
or disconnect the power supply to
the boiler. Instead, shut off the
external gas supply valve to the
boiler.
Do not use the hot water supplied
by the boiler for drinking purposes.
Prohibited
Do not remove or block the installed
safety relief valve for safe operation
of the boiler.
4
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 seperate area that is
supplied with fresh air from outdoors.
Prohibited
Be sure the gas/power
supplied matches the
gas on the rating plate.
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)
Leave the proper clearance between the
boiler and nearby objects (trees, timber,
boxes with flammable materials etc.).
Be sure
to do.
*Indicates suggested clearances for maintenance.
Do not place the flue terminal in an
indoor environment by means of
adding walls and ceiling (Do not en-
close using corrugated sheets, etc.)
Carbon monoxide poisoning or fire may
occur as a result.
Flue terminal
Prohibited
Do not place combustibles such as
laundry, newspapers, oils etc. near
the boiler or the flue terminal.
Prohibited
Carbon Monoxide Poisoning Hazard.
Do not install this boiler in a mobile
home, recreation vehicle or on a boat.
Prohibited
Do not use combustible chemicals
such as oil, gasoline, benzene etc. in
the near the boiler or the flue terminal.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Prohibited
Prohibited
Do not place or use a spray can
near the boiler or the flue terminal.
Do not use hair spray or spray
detergent in the vicinity of the boiler.
Prohibited
Left side:
Min. 2" Right side:
Min. 2"
Front:
Sug. 24"*
Sug.3"from
vent pipe*
Upper:
Min. 12"
Flue terminal
Do not allow small children to play
unsupervised in the bathroom.
Do not allow small children to
bathe unsupervised.
Do not touch the power
cord with wet hands.
Electric
Shock.
Don’t touch
with a wet
hand.
Prohibited
Prohibited
Do not place outdoors
Rain may enter the unit or
the burner fire may be
blown by the wind, causing
malfunction or fire as a
result.
Prohibited
Outdoor
NH199-DV
WARNING
5
CAUTION
Be sure to electrically ground the
unit.
Keep power cord free of dust.
Ground.
Be sure
to do.
Do not use this boiler as a direct hot
water heating device. It should only
be used for space heating or with an
indirect storage tank.
Prohibited
(Continued)
Prohibited
Do not cover the boiler and the
exhaust vent 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 boiler 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
exhaust vent pipe during or
immediately after operation of the
boiler.
Do not install in locations where
excessive dust or debris will be
in the air.
Prohibited Don’t
touch.
Prohibited
To prevent burns or scalding, turn
off the power button and wait until
the equipment cools before
performing maintenance.
Be sure
to do.
Contact a qualified service
technician for any necessary
repairs, service or maintenance.
Consult the nearest Noritz agent if
the boiler location needs to be
changed.
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.
Don’t
disassemble
the equipment.
Do not remove the power plug.
When the power plug is inserted, the unit
automatically operates the circulation pump
for several seconds when the unit has not
been used for approximately 15 days to
prevent the circulation pump from malfunc-
tioning due to build-up of lime deposits.
Be sure
to do.
Replace the boiler water with Noritz
specified anti-freeze once every
2 years or as required by the
anti-freeze manufacturer.
•Not replacing the boiler water will cause
rusting and freezing, resulting in damage to
the device and radiator. Repairs resulting from
deterioration of the anti-freeze are not covered
by the warranty.
•For replacement of the boiler water, contact
the installer or a qualified service technician.
Costs for the replacement of the anti-freeze
are not covered by the warranty.
Be sure
to do.
6
Important Safety Information-3
CAUTION
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.
Treat hard, acidic or otherwise impure
supply water with approved methods to
ensure full warranty coverage.
Problems resulting from scale formation
are not covered by the warranty.
Preventing damage from freezing ( p.16)
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.
This unit is only approved for installation
up to 4500 ft. above sea level.
For installations at higher elevations, contact Noritz
America for Instructions.
Check ignition during use and extinction
after use.
Take necessary measures to prevent
freezing of water and leakage of gas when
leaving the unit unused for long periods of
time. ( p.16)
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 splash water on the operation panel.
Do not expose the operation panel to
steam.
7
Important Safety Information....................................................................... 2
Contents ........................................................................................................ 7
General Parts
Main Unit.................................................................................................... 8
Operation panel ........................................................................................ 9
How to Use
Schematic .................................................................................................. 10
Operation method ..................................................................................... 12
Setting the boiler water temperature ...................................................... 13
Adjusting the Maximum temperature of PRIORITY1 ............................. 14
How to mute / beep the operation sound ............................................... 15
Preventing Damage from Freezing ............................................................ 16
Regular Maintenance................................................................................... 17
Troubleshooting .......................................................................................... 19
Follow-up Service ........................................................................................ 22
Specifications .............................................................................................. 23
Contents
8
Main Unit
General Parts
Front Cover
Supply Valve
Operation Panel
Temperature & pressure gauge
Gas Supply Valve
Return Valve
Flue Collar
Intake Pipe
Safety Relief Valve
(Attached to the side)
Water Drain Valve (with Water Filter)
(Inside Water Inlet) (p.18)
* The above illustration shows an example of installation.
The exact installation configuration may be slightly different.
9
Operation Panel (RC-7648M)
What is actually displayed depends on how the boiler is set.
For changing the set
temperature and
performing various
settings.
Setting Buttons
Temperature Setting
(Ex.: 180°F)
A number will flash if
a failure occurs.
(p.21)
Burner On Indicator
When burning, the indicator is lit.
•The
indicator
will flash when
the temperature of
PRIORITY 1 (Indirect tank
use) is displayed. (p.13)
•The
indicator
is lit during
PRIORITY 1 (Indirect tank
use) operation.
PRIORITY 1 Indicator
Error Code
Power On/Off Button
For turning the
boiler on and off.
For setting the temperature
of PRIORITY 1. ( p.13)
PRIORITY 1 Button
For setting the temperature
of PRIORITY 2. ( p.13)
PRIORITY 2 Button
For changing the maximum
temperature setting of
PRIORITY 1. (p.14)
Maximum Temperature
Setting Button
* Before use, remove the protective sheet from the remote controller surface.
•
The indicator will flash
when the temperature
of PRIORITY 2 (Heating
use)
is displayed.
( p.13)
•The
indicator
is lit
during PRIORITY 2
(
Heating use
)
operation.
PRIORITY 2 Indicator
10
* Below is simplified diagram of the hydronic heating system.
Direction of the pipes, location of installation and the number
of terminals will vary depending on the household.
Circulates boiler water to
the indirect tank and
heating system.
Boiler water circulated
to the indirect tank.
Water supply
Install an anti-scald mixing valve
to prevent scalding.
PRIORITY 1 Boile
to the
PRIO
NH199-DV
NH150-DV
Refer to the operation manual of the hot-water
tank for proper installation of the tank and
piping connections.
Indirect tank
How to Use
Schematic
DANGER
When the boiler is used as the heat source for an indirect
storage tank, the temperature of the water will be 140°F -
180°F (60°C - 83°C). Install an anti-scald mixing valve on the
hot water supply side of the indirect tank to prevent scalding.
Be sure
to do.
High Temperature
To prevent scalding:
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