Noritz NC199-DVC User Manual
Model NC199 (GQ-2857WZ US) Series
Commercial Water Heater
Specification Sheet
Job Name _______________________________________________________________________
Location ________________________________________________________________________
Architect/Engineer _______________________________________________________________
Wholesaler ______________________________________________________________________
Contractor ______________________________________________________________________
Model No. _______________________________________________________________________
Gas Type ________________________________________________________________________
No. of Units _____________________ Total BTU/hr Input _________________________________
Flow Rate (GPH) ___________________________________________________________________
Notes
• Standard Input - gas consumption ranges from 16,000 BTUh to
199,900 BTUh
• Compact Design - ANSI Z21.10.3/CSA 4.3 certified design that can
be wall-mounted indoors with a -DVC model or installed outdoors
with an -OD model
• Durable Steel Casing with Acryl Coating
• Heat Exchanger - manufactured with commercial grade copper,
25% thicker piping than standard models
• Venting Options - available in Outdoor (-OD) or Concentric Direct Vent
(-DVC) model that requires 5/3 in. Noritz concentric stainless steel pipe.
• Direct Electronic Ignition
• Multi-System Capability - units can be linked together by using
either the optional 2-unit Quick Connect or multi-unit System Controller
for up to 6 units.
• Fully Modulating - BTU input can range from 16,000 to 1.2 million BTUh
(for 6-unit Multi-System) with stable combustion provided by the
industry’s 1st Dual-Flame Burner
• Thermal Efficiency - 86% efficient for use with natural gas or propane
• Temperature Controls - includes remote thermostat that can
precisely adjust the output temperature from 100°F to 180°F
• Safety Devices - Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection
• Five Year Limited Heat Exchanger Warranty for Commercial Use
• Five Year Limited Parts Warranty
• Approvals - CSA, UPC, NSF, Low NOx Approved By SCAQMD
This product complies with California AB 1953 Low Lead Law and section 1417(d)
of the Safe Drinking Water Act
LOW-LEAD
[<14ng/J or 20ppm]
DVC Model OD Model
Model
NC199 _____ (-CA)*
OD (Outdoor Vent)
DVC (Concentric Direct Vent)
* Canadian (-CA) model also available
Accessories
Isolator Valves (#IK-WV-200-(SW/TH-LF)
Pipe Cover
for -OD Model (#PC-2S)
for -DVC Model (#PC-5S)
Quick Connect Cord (#QC-1)
6-Unit System Controller
for -OD Model (#SC-201-6M-EXT-OD)
for -DVC Model (#SC-201-6M-EXT-DVC)
CERTIFIED
R
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
0.4" - 1.8" (10 - 45mm)
4.8" (120mm)
4.4" (113mm)
1.0" (26mm)
22.3" (567mm)
11.0" (280mm)
1.1" (28mm)
Ø5.0" (Ø128mm)
Ø3.1" (Ø80mm)
23.6" (600mm)
Dimensions
13.8" (350mm)
13.1" (334mm)
FLUE COLLAR
AIR INLET
CONDENSATE DRAIN
FLUE COLLAR
13.8" (350mm)
13.1" (334mm)
9.9" (252mm)
OD Model
2.4"(61mm)
3.4"(88mm)
1.7" (42mm)
SIDE VIEW
Temperature Rise (°F)
Flow Rate (GPM)
Flow Rate (GPH)
Power Supply and Consumption
Model Name
NC199OD
NC199DVC
120VAC (60 Hz),
less than 2 amps
0.4" - 1.8" (10 - 45mm )
WIRING THROUGHWAY
(AC120V)
WIRING THROUGHWAY
HOT WATER OUTLET
WATER DRAIN VALVE
Flow Rates
70 100
1-unit 4.8 3.4
2-unit
3-unit
6-unit 28.8 20.4
1-unit 288 204
2-unit 576 408
3-unit 864 612
6-unit
Supply Consumption
9.6 6.8
14.4 10.2
1728 1224
NG: 65W
LP: 67W
NG: 80W
LP: 83W
Freeze
Prevention: 161W
Freeze
Prevention: 193W
FRONT VIEW
BOTTOM VIEW
35
30
25
20
Bypass Flow Control Valve Close
Set temperature : 125ºF or higher
15
(Storage Tank Setting W/ System
Controller : 170-185ºF)
Pressure Loss (psi)
10
5
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
NOTE: For Quick-Connect and Multi-System installations, pressure loss remains constant
throughout the system regardless of the number of units installed. Multiply the total
the total pressure loss from the chart above.
GAS INLET
COLD WATER INLET
WATER DRAIN
(WATER FILTER)
Pressure Loss
Bypass Flow Control Valve Open
Set temperature : 120ºF or less
(Storage Tank Setting W/ System
Controller : 160ºF or less)
<inch(mm)>
HEIGHT OF EACH FITTINGS
HOT WATER OUTLET
COLD WATER INLET
GAS INLET
Flow Rate (GPM)
FROM BOTTOM OF CASE
1.8" (45mm)
2.2" (55mm)
2.2" (56mm)
80
70
60
50
40
30
20
Pressure Loss (Ft. of head)
10
0
Temperature Settings and Options
Temperature Settings
Default Temperature Options
100-150°F (In 5°F intervals), 160, 170, 185 °F (14 Opti ons)
120, 130, 140, 185 °F (Default is 120°F)
Specification
The water heater(s) shall have a 5-year limited Heat Exchanger warranty and a 5-year limited Parts warranty per Noritz Limited Warranty. Unit(s) shall be designed
rate capacity of _____ GPH @ 100
model only) at a distance not to exceed 29’ (or equivalent) with 3 elbows terminating vertically or horizontally. Water heater(s) is rated for 150 PSI working water
pressure and 300 PSI test pressure. Gas supply pressure shall be 4.0“ to 10.5” WC for natural gas and 8.0“ to 14.0” WC for propane. Unit(s) shall have a coated steel case,
holding capacity of 0.2 gallons. The outdoor (-OD) model weighs 54 lbs. and the concentric direct vent (-DVC) model weighs 58 lbs. Unit(s) shall include features such as
an adjustment for high elevation installations, temperature lockout, and 14 temperature options from 100-150°F in 5°F intervals and 160-185°F in 10-15°F intervals. The
heater(s) shall be controlled by an internal circuit board that monitors the inlet and outlet temperatures with installed therm
2 units shall be installed by connecting the units using a single cable-only connection (Quick-Connect). Applications that require 3 to 6 units shall use a multi-unit central
°F rise with rated input of _______ BTU/hr.
Water heater(s) shall be vented with 3”/5” Noritz concentric stainless steel pipe (-DVC
y Noritz America Corporation.
et/outlet water connections, and water
or. Multi-system applications that require
SCAQMD rule [<14ng/J or 20ppm].
ut notice.
Rev. 04/16
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