Maintenance Monitor List - Noritz NR50-OD Service Manual

<NCC199 (-SV,-DV) / N-0841MC (-DV), NRC111 (-SV,-DV) / N-0842MC (-DV)>

Maintenance Monitor List

Data
Item
No.
Total Plug-in Time
03
04
Total Combustion Time
05 Total Combustion Time
Number of Ignition Times
07
Number of Ignition Times
08
Fan Rotational Frequency
10
13 Neutralizer Life Cycle Counter
14 Total Flow Rate
Heat Exchanger Flow Rate
15
Output ( %)
18
Neutralizer Water Level Electrode
19
Calculated Fan Speed
20
Water Inlet Thermistor
30
Detection Temperature
Water Outlet Thermistor
31
Detection Temperature
Heat Exchanger Thermistor
32
Detection Temperature
Air Inlet Thermistor
38
Detection Temperature
39 Fan Motor Current Value
Simple Self-diagnosis
47
Counter
Initial Fan Speed
48
Correction
Final Fan Speed
49
Correction
50 FF No.
51 FF+FB No.
Output
52
Position of Main Water
60
Control Valve
Position of Bypass Water
62
Control Valve
87 Circuit Board ID1: Product 1
88
Circuit Board ID2: Product 2
89
Circuit Board ID3: Version
Error Code History 1
91
Error Code History 2
92
Error Code History 3
93
Error Code History 4
94
Error Code History 5
95
Error Code History 6
96
Error Code History 7
97
Error Code History 8
98
*1 To view the maintenace monitors of another unit in a multi-system installation, press the FLOW
METER ALARM SET button (while in monitor mode) to switch to the desired unit.
*2 A difference in the calculated (#20) and the measured (#10) fan speeds of 500 or less is normal.
*3 When RC-7649 is used.
*4 When RC-7650 is used.
Data Minimum
(Display Reading X Multiplier)
Value for
Multiplier
Unit Indication
X 100 hour 100 hours
X 1 hour 1 hours
X 1000 hour 1000 hours
X 10 time 10 times
X 10000 time 10000 times
rpm 25 rpm
X 10
X 10 hour 10 hours
gal/min 0.1 gal/min
X 0.1
X 0.1 L/min 0.1 L/min
gal/min 0.1 gal/min
X 0.1
X 0.1 L/min 0.1 L/min
X 1 %
[x:xx]
rpm 25 rpm
X 10
X 1 F
X 0.1 C 0.5
X 1 F
X 0.1 C
0.5
X 1 F
X 0.1 C
0.5
X 1 F
X 1 C
X 10 mA 10 mA
[0:xx] Decimal
%
X 1
X 1 %
X 0.1
X 0.1
X 0.1
Step
X 2
Step
X 2
[1:xy]
[2:xy]
[3:xy]
Most Recent Error Code
Next Most Recent Error Code
Next Most Recent Error Code
Next Most Recent Error Code
Next Most Recent Error Code
Next Most Recent Error Code
Next Most Recent Error Code
Next Most Recent Error Code
73
Remarks
Disp. Range [000] - [1310]
Disp. Range [000] - [999]
Disp. Range [000] - [1999]
Disp. Range [000] - [999]
Disp. Range [000] - [1999]
[000] - [1999]
1 %
OFF : [000], ON : [111]
1 F
C
1 F
C
1 F
C
Disp. Range [014] - [050]
1 F
Disp. Range [-10] - [010]
1 C
Disp. Range [000] - [1999]
[000] - [036]
[100] - [110]
1 %
[100] - [110]
1 %
0.1
0.1
0.1
[000](open) - [1350](closed)
[000](open) - [1350](closed)
A=101,B=102,C=103,
A=201,B=202,C=203,
A=301,B=302,C=303,
If the same error code is repeated,
it will appear in the history list
twice. If it is repeated more than
twice, it will only appear twice.
*3
*4
*1 *3
*1 *4
*2
*3
*4
*3
*4
*3
*4
*3
*4
,Z=126
,Z=226
,Z=326