Instructions / Assembly

50
WHL-590 REV. 7.27.16
Table 24 – Status Display Screen Descriptions
Turn the dial counterclockwise and clockwise to scroll through the displayed parameters. To view parameter details, press the
button at the appropriate screen. Press the or buttons to leave the parameter.
Press the button again to return to Operation Mode.
G. INSTALLER MODE
Installer Mode will activate when button is pressed and held for five seconds while the water heater is powered Off.
Figure 45 – Installer Mode Screens
Display
(Main Menu)
Display
(Sub Menu)
Detail
Description
A: GA or A:LI
Flow Unit
Current Flow Unit (Li: Liters/min, GA: Gallons/min)
b: dH
DHW outlet water temperature
Current DHW outlet water temperature
C: In
DHW inlet water temperature
Current DHW inlet water temperature
d: Rt
Recirculation return water temperature
Current recirculation return water temperature
E: oP
Heat exchanger outlet water temperature
Current heat exchanger outlet water temperature
F: Eh
Exhaust temperature
Current exhaust temperature
H : oH
Overheat water temperature (HX)
Current overheat water temperature (HX)
I: Fr
FAN speed (RPM)
Current FAN speed (RPM)
L: rt
1: PH
Operation Time
Power Supply
L: rt on display on
sub menu
Time water heater has been powered in
1000 hour units
2: rh
Burner Operating Time
Time burner has operated in 1 hour
units
3: rH
Burner Operating Time
Time burner has operated in 1000 hour
units
4: It
Ignition Attempts
Number of ignition attempts: 10 times
the displayed unit
5: IH
Ignition Attempts
Number of ignition attempts: 10,000
times the displayed unit
M: CC
SELF
Percentage of self units running
N/A
ALL
Capacity for all operating cascade units
N/A
F1 – F 19
Capacity for individual water heaters
N/A
The following recirculation settings can be adjusted. See Using Recirculation Modes, Steps 1 and 2, this section, for further details.
N: TS
Auto
-
Default Recirculation Function
See Table 27 for more information.
NOTE: Before setting the Recirculation Function, go into the
Installer Mode and change 0: RC from or to
(Internal Recirculation Mode) or (External
Recirculation Mode). Recirculation Mode will not work if it is
not activated.
NOTE: If or are selected, these settings
cannot be changed.
Pro1
4-9:30 AM,
4-7:30 PM
Recirculation Program 1
(preprogrammed or adjustable)
Pro2
6-7:30 AM
6-7:30 PM
Recirculation Program 2
(preprogrammed or adjustable)
Pro3
-
Recirculation Program 3
(completely customized program)
PULS
10
Recirculation Pulse Function