
56
(C)
(B)
(B)
*This procedure is only for use by
rvice professional or authorized Noritz Service Representative.
Any unauthorized use of this procedure may result in voiding the warranty.
1 times
times
X 1
Disp. Range [000] - [255]
Number of canceling
the error code “CF#”
83
1 times
times
X 1
21
Disp. Range [000] - [255]
82
Disp. Range [000] - [999]
1 hour
time
X 1
Accuumulated combustion time*
for scale error
First detection time of Scale Build-up
1000 hour
1 hour
* If the unit detects the abno rmal of the Heat Exchanger caused
by Scale Build-up and the Maintenance Monitor # 21 is 600 hours or less,
the error cede “C #”
ay Wind ow. In case of that, the error code “H#
1
#
2
”
for 10 seconds after reconnecting electrical power.
time
time
Disp. Range [000] - [999]
Disp. Range [000] - [65]
X 1000
X 1
First detection time of Scale Build-up
12
11
Rema rks
Data
(Displ ay Reading X Multiplier)
Multiplier
Minimum
Va lue for
Indication
Unit
Item
Data
No.
Maintenance Monitor List for Scale Build-up trouble
(C)
Contact a service professional or download the procedure
from http://support.noritz.com/.
< Case 3. Flush the Heat Exchanger regularly (Not displayed the error code) >
< For professionals >
When they
r, they have to set the unit
to “Flushing mode” by disconnecting the “blue connector” on
the Circuit Board.
Parts List inside
pocke t of the Front Cover or in the Installation Manual.
< For Users >
Basically, recommend an authorized Nortiz plumber.
If the users would like
ves, send the procedure*,
or access http://support.noritz.com/ to download the procedure*.
Flush the Heat Exchanger.
Solve the error code.
Reconnect electrical power and then check whether C # is still
*To check whether the unit detects an abnormality in the Heat Exchanger caused by Scale Build-up .
No
Ye s
Check whether the error code “C #”
Check the error code in the Display Window.
See page 32.
No
Ye s
Check the power outlet voltage.
(Check whether the plug is connecting.)
Ye s
See page 33 to 36.
No
Chec
ay Window?
< Case 2. Hot water is not delivered (The user can not get hot water) >
The Procedure of Flushing the Heat Exchanger is shown page 00.
Содержание NRC661-DV
Страница 17: ...NR501 OD NR662 OD Thermistor Cold Water Thermistor Hot Water Gas Proportioning Valve 17...
Страница 19: ...19 5 Operation Flow Chart Water heating Shutdown procedure Ignition operation NR501 OD...
Страница 20: ...Water heating Shutdown procedure Ignition operation 20 NR662 OD...
Страница 70: ...the Heat Exchanger must be flushed is set to Flushing Mode from an authorized Noritz wholesaler 70...
Страница 71: ...located 71...