Technical Service And Navigation; Outdoor Reset; Inquiry Mode And Navigation - Westinghouse WGR050NG076 Installation, Start-Up, Maintenance, Parts, Warranty

2. Technical Service and Navigation

The Technical Service Menu (
to fully customize water heater settings to the system.
To enter Installer Mode, press and hold
to access the Technical Service Parameter codes (P00, P01, etc.)
Press to advance through the parameters. Press
once. The value will appear. Press
return to the Technical Services Parameters.
Press at any Technical Services Parameter code screens to return to the upper level menu. The following table details the Technical
Service Parameters in sequential order.
Code Short Description
P00
User Setpoint (
P01
Temperature Differential (
P02
Maximum Power Percentage (0%)
P03
Temperature Unit Displayed
P04
ECO Mode
P05
Outdoor Reset Curve
P06
Minimum Outdoor Temperature (
P07
Maximum Outdoor Temperature (
P08
Minimum Storage Temperature (
P09
Maximum Storage Temperature (
P10
Warm Weather Shutdown Temperature (
Table 14 - Technical Service Parameters - NOTE: Temperature Readings Depend on Temperature Unit Selection
D. Outdoor Reset
This unit is supplied with outdoor reset wire connection
terminals. When an outdoor sensor (p/n 7250P-319) is
connected, operation of the unit immediately changes.
Refer to the following steps to properly set up the unit with
an outdoor sensor.
An ASSE 1017 thermostatic mixing valve MUST be
installed when using outdoor reset. Failure to do so could
result in substantial property damage, severe personal
injury, or death.
1. Connect the outdoor sensor to the terminals marked
"outdoor".
2. Press at this screen to access the Technical Service
Parameters codes (P00, P01, etc.).
3. Press to advance through the parameters. Press
return to the previous parameter.
4. Go to P06.
5. Enter desired MIN Outdoor Temp value.
6. Press to advance to the next parameter.
7. To change parameter value, press
will appear. Press to decrease or
Enter desired MAX Outdoor Temp value
9. Press to advance to the next parameter.
10. Enter desired MIN Storage Temp value
11. Press to advance to the next parameter.
12. Enter desired MAX Storage Temp value
) is the initial menu to appear when entering Installer Mode. Technical Service Parameters allow the installer
for five seconds. When the
to return to the previous parameter. To change parameter value, press
to decrease or to increase the value. Press
o
F)
Difference Between Actual Tank Temperature and User Setpoint
o o
C/ F)
NOTE: The following parameters are applicable only if the Outdoor
o o
C/ F)
o o
C/ F)
o o
C/ F)
o o
C/ F)
Outdoor temperatures greater than this value return the tank
o o
C/ F)
or once. The value
to increase the value. 8.
screen appears Installer Mode is active. Press
at this screen to accept the changed value and
Long Description
Minimum Tank Temperature
that will Initiate Demand
Maximum Combustion System Power
Fahrenheit or Celsius
Economy Mode
Turns on the Outdoor Reset Curve
Reset Curve is turned on.
Minimum outdoor design conditions for reset curve
Maximum outdoor design conditions for reset curve
Minimum tank temperature for reset curve
Maximum tank temperature for reset curve
target temperature to the User Setpoint
Figure 24 - Outdoor Reset Curve
13. Press at this screen to accept the changed value and return
to
to the Installer Parameters.
14. Press at any Installer Parameter code screens to return to the
upper level menu.

1. Inquiry Mode and Navigation

Inquiry Mode ( ) allows the installer to access water heater operating
specifics, including temperature sensor and flame sensor readings.
These readings aid the installer in troubleshooting the water heater.
To enter Installer Mode, press and hold
the screen appears Installer Mode is active. Press
reach Inquiry Mode. The control is ready to access the Inquiry Mode
when the screen appears on the display.
Range (Default)
70-160 (120)
4-20 (8)
50-100 (80)
o
0 = C / 1 =
0 = Off / 1 = On
0 = Off / 1 = On
10-70 (10)
10-70 (68)
70-160 (120)
70-160 (140)
50-100 (68)
for five seconds. When
WHL-001 Rev. 001 Rel. 008 Date 8.23.18
33
at this screen
or
o
F (1)
(0)
(0)
once to