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Installation and Instruction Manual
GAS-FIRED DIRECT VENT BOILER
Potential dangers from accidents during installation and use are divided into the following three
categories. Closely observe these warnings, they are critical to your safety.
DANGER
WARNING
CAUTION
WARNING:
If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
Prohibited
Requests to Installers
• In order to use the boiler safely, read this installation and instruction manual carefully, and follow
the installation instructions.
• Failures and damage caused by erroneous work or work not as instructed in this manual are not
covered by the warranty.
• Check that the installation was done properly in accordance with this installation and instruction
manual upon completion.
• After completing installation, please either place this installation and instruction manual in a
plastic pouch and attach it to the side of the boiler or hand it to the customer. Also, be sure to fill in
all of the required items on the warranty and to hand the warranty to the customer along with the
User's information manual.
CERTIFIED
R
Complies with
jurisdictions having
40 ng/J or 55 ppm
NOx regulations
(Natural Gas Only)
SBA8383-2
Rev. 03/13
NH199-DV
(Indoor Installation)
NH150-DV
(Indoor Installation)
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.
Disconnect
Power
CAUTION
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
CSA B149.1, Natural Gas and Propane Installation Code (NSCNGPIC).
Where required by the authority having jurisdiction, the installation must con-
form to the Standard for Controls and Safety Devices for Automatically Fired
Boilers, ANSI/ASME CSD-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
11160 Grace Avenue,
Fountain Valley, CA 92708
www.noritz.com
Ground
NORITZ AMERICA
CORPORATION
Be sure to do
*SBA8383*
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Table of Contents
Related Manuals for Noritz NH199-DV-NG
Summary of Contents for Noritz NH199-DV-NG
- Page 1 Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME CSD-1. Complies with jurisdictions having Noritz America reserves the right to discontinue, or change at any time, the designs and/or specifications of its products without notice. 40 ng/J or 55 ppm NOx regulations...
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Page 2: Included Accessories
The following accessories are included with the Included Accessories boiler in the inside of package.Check for any miss- ing items before starting installation. Part Shape Part Shape Q’ty Q’ty User's Information Manual, Anchoring Screw Warranty, Installation and each Instruction Manual (this document) Safety Relief Valve Safety Relief Valve Fitting and Gasket... -
Page 3: Before Installation
• If the water supply is hard, acidic or otherwise impure, treat the water with approved methods in order to ensure full warranty coverage. Use the Specified Anti-Freeze • When using anti-freeze, use Noritz approved anti-freeze only. Using an anti-freeze other than one specified by Noritz could lead to leakage of fluid (water) or clogging of pipes. -
Page 4: Choosing Installation Site
Choosing Installation Site * Locate the appliance in an area where leakage from the boiler or connections will not result in dam- age to the area adjacent to the appliance or to the lower floors of the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance. - Page 5 State of California: The boiler must be braced, anchored or strapped to avoid moving during an earth- quake. Contact local utilities for code requirements in your area or call: 1-866-766-7489 and request instructions. For Venting Manufacturers Requirements, see websites or phone numbers listed below: Noritz N-Vent www.noritz.com...
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Page 6: Installation Clearances
Installation Clearances WARNING Before installing, check for the following: Install in accordance with relevant building and mechanical codes, as well as any local, state or national regulations, or in the absence of local and state codes, to the National Fuel Gas Code ANSI Z223.1/NFPA 54 –... - Page 7 Clearance Requirements from Vent Terminations to Building Openings * All clearance requirements are in accordance with ANSI Z21.13 and the National Fuel Gas Code, ANSI Z223.1 and in Canada, in accordance with NSCNGPIC. Vent Terminal Area Where Terminal is Not Permitted Air Supply Inlet Canadian Direct Vent US Direct Vent...
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Page 8: Installation
Installation Securing to the wall • The weight of the device will be applied to the wall. If the strength of the wall is not suffi- cient, reinforcement must be done to prevent the transfer of vibration. • Do not drop or apply unnecessary force to the device when installing. Internal parts may be damaged and may become highly dangerous. -
Page 9: Vent Pipe Installation
Blocked terminals can cause abnormal combustion resulting in undes- ired performance from the boiler. Vent terminal models Vent system installation example • Use only the following models of Noritz vent terminals with this boiler. Vent terminal Elbows Straight pipe •... - Page 10 Enclosed Unenclosed manufacturer ’s instructions for clearances. Product Hor. Vert. Hor. Vert. • Install the vent terminal so that all exhaust is di- 10" (sides) Noritz N-Vent 4" 1" 1" 15"(top) rected to and all intake air is taken from outdoors.
- Page 11 DANGER The boiler is not intended to be common vented with any other existing appliance! Boiler removal from a common vent system At the time of removal of an existing heater, the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to common venting system are not operating.
- Page 12 • Slope the horizontal section 1/4" for every 12" Appliance Adapter* toward the drain tee. * Adapter not required when using Noritz N-Vent. **1' minimum recommended, but not required. Avoid installing elbow directly on flue. When the intake/exhaust pipes pass through an enclosed space:...
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Page 13: Gas Piping
1/8" NPT screw with an allen wrench and connecting the appropriate pressure gauge. Sample Gas Line Instructions 1. Size each outlet branch starting from the furthest Noritz NH199-DV (199,900 Btuh) using the Btuh required and the length from the Barbecue Noritz NH150-DV (150,000 Btuh) meter. - Page 14 Gas Line Sizing Charts Adapted from UPC 1997 Maximum Natur Natural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) Length in Feet Pipe Size 100' 125' 1/2" 3/4" 1" 1 1/4" 1404 1 1/2" 2103 1445 1161...
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Page 15: Water Piping
Installation and service must be performed by a qualified plumber. In the Water Piping Commonwealth of Massachusetts, this product must be installed by a licensed plumber or gas fitter in accordance with the Massachusetts Plumbing and Fuel Gas Code 248 CMR Sections 2.00 and 5.00. Observe all applicable codes. This appliance is suitable for space heating applications. - Page 16 Relief Valve Mounting Before installing the relief valve, test the piping at 45 psi with the cap on. 6. Insert the relief valve assembly into the housing being 1. Remove the front cover of the unit. careful not to damage the o-ring. Insert and tighten 2.
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Page 17: Plumbing Applications
- Use only inhibited propylene glycol solutions which are specifically formulated for hydronic systems. When using anti-freeze, use Noritz approved anti-freeze only. Do not use ethylene glycol or any other substitutes. - The anti-freeze must be used and maintained according to the anti-freeze manufacturer's instructions. - Page 18 Zoned with Pumps This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. Refer to pages 22-25 for electrical wiring instructions. PRESSURE PRESSURE REDUCING VALVE GAUGE ZONE 1 ZONE 2 ZONE 3 ZONE 4...
- Page 19 Non-Zoned Primary/Secondary Piping This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. Refer to pages 22-25 for electrical wiring instructions. PRESSURE REDUCING VALVE BACKFLOW PRESSURE PREVENTER GAUGE MAKE UP WATER SEPARATOR SYSTEM...
- Page 20 Zoned with Valves This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. Refer to pages 22-25 for electrical wiring instructions. PRESSURE PRESSURE REDUCING VALVE GAUGE ZONE 1 ZONE 2 ZONE 3 ZONE 4...
- Page 21 Flow rate (GPM) surpasses these values greatly. • When using anti-freeze, use Noritz approved anti-freeze only. • The total flow rate of the heating circuit should be no less than 4 gpm (15 L/min.) and no greater than 17 gpm (65 L/min.).
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Page 22: Electrical Wiring
Consult a qualified electrician Electrical Wiring for the electrical work. Do not connect electrical power to the unit until all electrical wiring has been completed. Disconnect Power This appliance must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70. - Page 23 Aquastat Room thermostat Signal line from PRIORITY1 Signal line from PRIORITY2 Ground Power supply Power to the PRIORITY 1 pump. Power to the PRIORITY 2 pump. *Max 2.2 Amp. or less. *Max 2.2 Amp. or less. Input up to Input up to 120VAC 1Amp.
- Page 24 Power connection to the boiler. Neutral Power Input AC120Volts Connection to the terminal. 120VAC Ground Input Circulation terminal Priority 1 (Indirect Tank) Priority 2 (Heating) Hot Neutral Hot Neutral Hot Neutral Hot Neutral Burner Power Burner Power Priority 1 Priority 2 Priority 1 Priority 2 (Indirect Tank)
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Page 25: Maintenance
Relay connection with system pump Note: It is only Priority 2 that the following procedure is applied. 1. When installing the system pump, wire a relay as shown below. 2. Choose a suitable location for the relay where it will be protected from moisture. 3. -
Page 26: Trial Operation
The installer should test operate the unit, explain to Trial Operation the customer how to use the unit, and give the owner this manual before leaving the installation. • Preparation ... (1) Open the gas supply valve. (2) Turn on the power supply. Priority2 (Heating) operation Priority1 (Indirect tank) operation Operation stops ( *2) -
Page 27: Lighting Instructions
CAUTION Handling after trial operation <When Using Anti-Freeze> • When not planning to use the boiler immediately, close the gas and water shutoff valves to prevent gas leakage from the boiler. • Drain a little boiler water from the drainage shutoff valve, check the pressure, then attach the "CONTAINS ANTI-FREEZE"... - Page 28 Dimensions HEIGHT OF EACH FITTING FROM BOTTOM OF CASE (VIEW FROM TOP) WATER SUPPLY 2.6'' 14.2" WATER RETURN 3.4'' 10.6" WIRING THROUGHWAYS GAS INLET 2.2'' 8.9" 2.4" 17.7" WATER SUPPLY (1") WATER RETURN (1" 3.2" GAS INLET (3 4") 5" 6.7"...
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Page 29: Other Settings
Other Settings Manual Pump Operation Procedure Use this procedure when bleeding air out of the system or when confirming proper operation of the pump(s). 1. Set the Power on/off button to the off position. 2. To circulate Priority 1, press and hold in the PRIORITY 1 switch for at least 5 seconds. To circulate Priority 2, press and hold in the PRIORITY 2 switch for at least 5 seconds. - Page 30 Check if there is any obstruction of the intake/exhaust pipe. The error codes in bold cannot be reset by turning the boiler OFF on the operation panel. Disconnect, then reconnect electrical power to the boiler to reset the system. Please contact Noritz America if any other error code appears.
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