Use and Care Manual

40
Performance
Space Heating Rating
Item
Gas
Consumption
Maximum Hot Water Capacity
Capacity Range
Temperature
Settings
Noritz Combination Boiler
Space Heating Ratings
Model Number
Input, MBH
Heating Capacity,
MBH
*1
Net AHRI Rating Water,
MBH
*2
AFUE, %
Min Max
NRCB199DV
(GHQ-C3201WX-FF US)
NG
18 120 111 97 95.0
LP
18 120 111 97 95.0
NRCB180DV
(GHQ-C2801WX-FF US)
NG
18 100 92 80 95.0
LP
18 100 92 80 95.0
DHW*
Heating
NG
NG
LP
LP
45°F (25°C) Rise
DHW
Heating
NRCB199DV(GHQ-C3201WX-FF US)
Maximum Performance
199,900 btuh
Maximum Performance
120,000 btuh
Maximum Performance
199,900 btuh
Maximum Performance
120,000 btuh
Minimum Performance
18,000 btuh
Minimum Performance
18,000 btuh
Minimum Performance
18,000 btuh
Minimum Performance
18,000 btuh
8.4 GPM (32 L/min.)
0.4-11.1 GPM (2-42 L/min.)
NRCB180DV(GHQ-C2801WX-FF US)
Maximum Performance
180,000 btuh
Maximum Performance
100,000 btuh
Maximum Performance
180,000 btuh
Maximum Performance
100,000 btuh
Minimum Performance
18,000 btuh
Minimum Performance
18,000 btuh
Minimum Performance
18,000 btuh
Minimum Performance
18,000 btuh
7.5 GPM (28.2 L/min.)
0.4-9.8 GPM (2-37 L/min.)
40-82°C (In 1°C intervals) (43 Options)**
* When you use Quick Connect Multi System, temperature setting range is changed below.
°F Mode : 100-140°F (In 5°F intervals)
°C Mode : 37 - 48°C (In 1°C intervals), 50°C,55°C,60°C
** Heating Temperature range depends on Installer Mode Setting.
Refer to the Installation Manual for details.
*1 Based on standard test procedures prescribed by United States Department of Energy (DOE).
*2 The Net AHRI water ratings shown are based on a piping and pickup allowance of 1.15.
Consult Noritz before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent
system operation, extensive piping system, etc.
100-180°F (In 1°F intervals) (81 Options)**
90-140°F(In 5°F intervals) (11 Options)
32°C,35°C,37°C-48°C (In 1°C intervals),50°C,55°C,60°C (17 Options)
°F Mode
°F Mode
°C Mode
°C Mode
Specifications-2
• Specifications may be changed without prior notice.
• The capacity may differ slightly, depending on the water pressure,
water supply, piping conditions, and water temperature.