89
Operating the Water Heater
6.5.1.2 Setting the Operation Parameters
1. From the Installer Menu, select
2. Parameter
Settings
.
2. After entering the parameter setting screen,
press the Up button ( ) or the Down button
( ) to switch between the parameters or to
increase or decrease setting values. Press the
OK Button ( ) to select a parameter or to
confirm after making changes.
Item
Description
1. Pump Exercise
OP Time
Set the pump operation
duration.
●
Setting range: 1 - 240 Sec
●
Default: 30 Sec
2. Pump Exercise
Interval
Set the pump operation
interval.
●
Setting range: 1 - 48 Hr
●
Default: 24 Hr
3. Recirc Interval
Time
Set the recirculation duration.
●
Setting range: 1 - 120 Min
- 5 Min when the
HotButton kit is used
- HotButton can be set in
1. Recirculation Setting
>
2. External Recirculation
.
●
Default: 20 Min
4. Recirc Sample
Time
Set the recirculation interval.
●
Setting range: 1 - 120 Min
●
Default: 30 Min
5. Recirc Off Diff.
Temp
Set the Recirculation Off
offset temperature.
This setting is not adjustable
when the HotButton kit is
used. HotButton can be set
in
1. Recirculation Setting
>
2. External Recirculation
.
●
Setting range: 5 °F (3 °C) -
54 °F (30 °C)
●
Default: 9 °F (5 °C)
6.5.1.1 Viewing Service Status Info
1. From the Installer Menu, select
1.Service Status
Info
.
2. Press the Up button ( ) or the Down button
( ) to switch between information items. Press
the OK button ( ) to select an item to view its
information.
Item
Description
1. Elapsed time after install
Elapsed time
since water heater
installation
2. DHW Op - No. of Times
Hot water usage
count
3. Recirc Op - No. of Times
Recirculation
usage count
4. Pump Op - No. of Times
Pump operation
count
5. Flam Loss - No. of Times
Flame loss count
6. 2nd Ignition - No. of
Times
2nd ignition count
7. 3rd Ignition - No. of Times 3rd ignition count
8. 4th Ignition - No. of Times 4th ignition count
9. 5 - 10th Ignition - No. of
Times
5th - 10th ignition
counts
10. HotButton - No. of Times
Number of
stop function
occurrences by
temperature gap
between supply
and return water
3. Press the Back button ( ) to return to the
previous screen or menu.
Summary of Contents for NPE-180A2
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