Pressure Loss Characteristics - Noritz NR50-OD Service Manual

Pressure Loss Characteristics

NOTE: Flow rates shown will vary slightly depending on the incoming water temperature and the setting temperature on the remote
controller.
System Controllers are compatible with Commercial models only (NC199, NCC199, NC250, and NC380 Series). The Storage Tank
setting is a feature that is only available with SC-201-6M(-EXT), SC-201-12M, and SC-201-24M System Controller models. See System
Controller Manual for more information regarding installation and compatibility.
NR66 (-SV,-OD) / N-0531S (-OD)
30
25
20
15
10
5
0
0.0 1.0 2.0 3.0 4.0
Flow Rate (gpm)
NR98 (-SV,-OD,-DVC) / NC199 (-OD,-DVC) /
N-0751M (-OD,-DV,-DVC)
30
Bypass Closed
Set temperature:
125˚F or higher
25
Bypass Open
Set temperature:
120˚F or less
20
15
10
5
0
0.0 1.0 2.0 3.0 4.0 5.0
Flow Rate (GPM)
NR50-OD
30
25
20
15
10
5
0
0.0 1.0 2.0 3.0
Flow Rate (gpm)
60
50
40
30
20
10
0
5.0 6.0 7.0 8.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
6.0 7.0 8.0 9.0 10.0 11.0
4.0 5.0 6.0 7.0
NR71 (-SV,-OD) / N-0631S (-OD)
30
25
20
15
10
5
0
0.0 1.0 2.0
NCC199 (-SV,-DV) / N-0841MC (-DV) /
NRC111 (-SV,-DV) / N-0842MC (-DV)
30
Bypass Close
Set temperature:
125˚F or higher
25
(Storage Tank Setting w/
System Controller: 170 -180˚F)
Bypass Open
Set temperature:
20
120˚F or less
(Storage Tank Setting w/
System Controller: 160˚F or less)
15
10
5
0
0.0 1.0 2.0 3.0 4.0
9
60
50
40
30
20
10
0
8.0
3.0 4.0 5.0 6.0 7.0
Flow Rate (gpm)
5.0 6.0 7.0 8.0 9.0 10.0
Flow Rate (GPM)
60
50
40
30
20
10
0
8.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
11.0 12.0