Noritz NH199-DV, NH150-DV, NH-2001-DV, NH-1501-DV Owner's Manual
GAS-FIRED DIRECT VENT BOILER
*SBA8382*
User’s Information Manual
Models : NH199-DV
NH150-DV
WARNING
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury, or death.
-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.
CERTIFIED
R
Low NOx
Approved by
SCAQMD
Accepted For Use
City of New York
Department of Buildings
MEA 20-07-E
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.
NORITZ America Corporation
SBA8382
Rev. 09/09
Important Safety Information-1
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.
Icons warning of risk level
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.
DANGER indicates an imminently hazardous situation which,
DANGER
WARNING
CAUTION
CAUTION
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.
Other icons
Electric
Shock.
Prohibited
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
Prohibited
Be sure
to do.
adhesives in the same room or area near the boiler.
Keep flammable products:
1. Far away from the boiler.
2. In approved containers.
3. Tightly closed.
4. Out of children’s reach.
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.
High
Temperature.
No flame.
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.
Be sure
to do.
Don’t
touch.
DANGER
Ground.
Don’t
disassemble
the equipment.
Don’t touch
with a wet
hand.
Hot Water temperature over 125 °F (52 °C) can cause severe
burns instantly or death from scalding.
Prohibited
Children, disabled and elderly are at the highest risk of being scalded.
Feel water temperature before bathing or showering.
2
(Continued)
(Continued)
Prohibited
Do not remove or block the installed
safety relief valve for safe operation
of the boiler.
Do not use the hot water supplied
by the boiler for drinking purposes.
Prohibited
Prohibited
No flame.
Do not use the boiler
if the intake/ exhaust
pipe is displaced,
has holes is
clogged, or is
corroded.
WARNING
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
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.
boiler
area for
Prohibited
Be sure
to do.
Be sure
to do.
Prohibited
Be sure
to do.
Do not allow anyone to change the
domestic hot water temperature
while hot water is being used.
To prevent scalding, do not change the water temperature to a higher setting.
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
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
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.
(Continued)
3
Important Safety Information-2
(Continued)
WARNING
Prohibited
Be sure
to do.
Do not place the flue terminal in an
indoor environment by means of
adding walls and ceiling (Do not enclose using corrugated sheets, etc.)
Flue terminal
Carbon monoxide poisoning or fire may
occur as a result.
Leave the proper clearance between the
boiler and nearby objects (trees, timber,
boxes with flammable materials etc.).
Upper:
Min. 12"
Left side:
Min. 2"
Front:
Sug. 24"
Indicates suggested clearances for maintenance.
*
*
Sug.3"from
vent pipe*
Right side:
Min. 2"
Prohibited
Prohibited
Prohibited
Be sure
to do.
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.
Do not place or use a spray can
near the boiler or the flue terminal.
Be sure the gas/power
supplied matches the
gas on the rating plate.
NH199-DV
Carbon Monoxide Poisoning Hazard.
Do not install this boiler in a mobile
Prohibited
home, recreation vehicle or on a boat.
Do not place combustibles such as
laundry, newspapers, oils etc. near
Prohibited
the boiler or the flue terminal.
Flue terminal
Do not touch the power
cord with wet hands.
Don’t touch
with a wet
hand.
Electric
Shock.
Do not allow small children to play
unsupervised in the bathroom.
Do not allow small children to
Prohibited
bathe unsupervised.
4
Be sure
to do.
Prohibited
Prohibited
Prohibited
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
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.
Do not use hair spray or spray
detergent in the vicinity of the boiler.
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.
Outdoor
(Continued)
(Continued)
Don’t
disassemble
the equipment.
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.
CAUTION
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.
Ground.
Be sure
to do.
Prohibited
Prohibited
Be sure
to do.
Be sure
to do.
Be sure to electrically ground the
unit.
Keep power cord free of dust.
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.
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.
To prevent burns or scalding, turn
off the power button and wait until
the equipment cools before
performing maintenance.
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 malfunctioning due to build-up of lime deposits.
Prohibited
Prohibited
Prohibited
Don’t
touch.
Be sure
to do.
Do not turn off the boiler while
someone is bathing.
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 install in locations where
excessive dust or debris will be
in the air.
Do not touch the flue terminal and
exhaust vent pipe during or
immediately after operation of the
boiler.
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.
5
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.
Check ignition during use and extinction
after use.
Do not use parts other than those specified
for this equipment.
This unit is only approved for installation
up to 4500 ft. above sea level.
For installations at higher elevations, contact Noritz
America for Instructions.
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.
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.
Take necessary measures to prevent
freezing of water and leakage of gas when
leaving the unit unused for long periods of
time. ( p.16)
If it is snowing, check the flue terminal for
blockage.
6
Contents
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
7
General Parts
Flue Collar
Intake Pipe
Safety Relief Valve
(Attached to the side)
Front Cover
Main Unit
Operation Panel
Water Drain Valve (with Water Filter)
(Inside Water Inlet) ( p.18)
Temperature & pressure gauge
Gas Supply Valve
Return Valve
Supply Valve
* The above illustration shows an example of installation.
The exact installation configuration may be slightly different.
8
Operation Panel (RC-7648M)
What is actually displayed depends on how the boiler is set.
Burner On Indicator
When burning, the indicator is lit.
PRIORITY 1 Indicator
• The
• The
indicator
the temperature of
PRIORITY 1 (Indirect tank
use) is displayed. ( p.13)
indicator
PRIORITY 1 (Indirect tank
use) operation.
will flash when
is lit during
PRIORITY 2 Indicator
•
The indicator will flash
when the temperature
of PRIORITY 2 (Heating
use)
is displayed.
( p.13)
• The
For changing the set
temperature and
performing various
settings.
indicator
during PRIORITY 2
(
Heating use
operation.
Setting Buttons
is lit
)
Temperature Setting
(Ex.: 180°F)
Error Code
A number will flash if
a failure occurs.
( p.21)
PRIORITY 1 Button
For setting the temperature
of PRIORITY 1. ( p.13)
* Before use, remove the protective sheet from the remote controller surface.
Power On/Off Button
For turning the
boiler on and off.
Maximum Temperature
Setting Button
For changing the maximum
temperature setting of
PRIORITY 1. ( p.14)
PRIORITY 2 Button
For setting the temperature
of PRIORITY 2. ( p.13)
9
* 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
High Temperature
To prevent scalding:
When the boiler is used as the heat source for an indirect
storage tank, the temperature of the water will be 140°F -
Be sure
to do.
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.
10
Refer to the operation manual of
the heating system for proper
installation and operation specifics.
Hot-water supply to PRIORITY 2 (Heating use)
will stop during operation of PRIORITY 1
(Indirect tank use). When using a heating system
that draws air from the outdoors, it is recommended
that a backdraft prevention device be installed to
prevent cold air from entering the space.
PRIORITY 2
to the hating system.
Hot Water temperature over 125 °F (52 °C) can cause severe burns
instantly or death from scalding.
Prohibited
Children, disabled and elderly are at the highest risk of being scalded.
Feel water temperature before bathing or showering.
11
How to Use
Operation method
1
(Starting with the Power Off).
Press the Power
1
On/Off Button.
On
When the Power button is set to On, the boiler
will automatically start the circulator when the
temperature of the hot water in the indirect
tank drops, or when the heating switch of a
room thermostat is turned on.
Shows the Operation panel displayed.
When the Power On/Off button is set to
On, the temperature of the boiler water
of PRIORITY 1 (Indirect tank use) is
normally displayed.
When heating operation
is started.
The temperature will be PRIORITY 1,
displayed on the operation panel
thermostat.
(Ex.: 180°F)
The temperature of the
boiler water of PRIORITY 2
(Heating use) is displayed.
(Ex.: 180°F) (Ex.: 176°F)
12
When the heating stops,
or indirect tank
operation is started.
Display returns to the
temperature of the boiler
water of PRIORITY 1
(Indirect tank use).
How to Use
Setting the boiler water temperature
(Starting with the Power Off).
Press the Power
1
1
On/Off Button.
3
2, 4
The temperature
Temperatures of boiler water
for PRIORITY 1 and
PRIORITY 2 can be stored.
Press the desired
button.
23
(Ex.: PRIORITY 2)
Set temperature.
will be PRIORITY 1,
displayed on the
operation panel
thermostat.
Hot
Cold
4
On
(Ex.: 180°F)
Press the button
pressed in 2 again.
Flashing
Current temperature setting
of PRIORITY 2. (Ex.: 170°F)
[Standard temperature of boiler water]
Fahrenheit (°F)
Centigrade (°C)
* The above is to be used only as a guide. Actual temperatures will differ depending on the season, length of pipes, etc.
* The upper limit (maximum temperature) of PRIORITY 1 can be changed.
Do not set the temperature of PRIORITY 1 below the set temperature of the
aquastat on the indirect storage tank.
Setting the temperature of PRIORITY 1 below the temperature setting of the aquastat will cause PRIORITY 2 to
stop due to continuous operation of PRIORITY 1. The heating system will not operate under this condition. ( P20)
140 150 155 160 165 170 176 180
60 65 70 75 80 83
145
(Ex.: 176°F)
The display returns to the
temperature of PRIORITY 1.
*
The display will also return to the
temperature of PRIORITY 1 when no
buttons are pressed for approximately
10 seconds. (Changes are memorized)
= Initial factory setting
13
How to Use
Adjusting the Maximum temperature of PRIORITY1
1
3
2
1
3
Turn off
the Power.
Off
Change the temperature
using the setting buttons.
Up
2
[For Fahrenheit]
Press and hold the maximum temperature
setting button until a tone is heard
(2 seconds).
Tone sounds
after 2 sec.
Flashing
(Ex.: 180°F)
[For Centigrade]
Down
Temperature can be changed to
140°F, 145°F, 150°F, 155°F, 160°F,
165°F, 170°F, 176°F or 180°F.
Set the Power button to ON when continuing to using the unit as is.
Otherwise, let the unit sit for 30 sec.
4
14
(Ex.: 176°F)
"1:" is displayed at
the head of the
temperature.
(Ex.: 80°C)
Temperature can be
changed to 60°C, 65°C,
70°C, 75°C, 80°C, 83°C.
How to Use
How to mute / beep the operation sound
The operation panel will emit a sound
when any button is pushed. This sound
can be muted if it is desired.
1
* Initial factory setting is with sound
1
Hold the Power On/Off
Button for five seconds.
Muted
No sound
after 5 sec.
Sound
Tone sounds
after 5 sec.
15
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