Advanced Control Functions; Upper Level Control Functions; Technical Service And Navigation - Westinghouse WGR-076 Series Installation, Start-Up, Maintenance, Parts, Warranty

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C. Advanced Control Functions
The water heater control Installer Mode includes numerous parameters for system customization. These parameters should only
be accessed and changed by a qualified service technician.
Installer Mode Parameters should only be accessed and changed by a qualified service technician. Failure to follow this warning
could result in improper water heater operation, premature water heater or component failure, and/or excessively high
temperatures that could result in scalding, property damage, severe personal injury, or death.
NOTE: Water heater failures caused by improper Installer Mode Parameter sets WILL VOID product warranty.
To enter Installer Mode, press and hold

1. Upper Level Control Functions

See the drawing below for information on how to navigate the Installer Menu Upper Level.
Figure 23 - Upper Level Navigation

2. Technical Service and Navigation

The Technical Service Menu (
the installer to fully customize water heater settings to the system.
To enter Installer Mode, press and hold
at this screen to access the Technical Service Parameter codes (P00, P01, etc.)
Press to advance through the parameters. Press
or once. The value will appear. Press
the changed value and 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 12 - Technical Service Parameters - NOTE: Temperature Readings Depend on Temperature Unit Selection
WHL-001 Rev. 3.16.15
for five seconds. When the following screen appears Installer Mode is active.
) is the initial menu to appear when entering Installer Mode. Technical Service Parameters allow
for five seconds. When the
to return to the previous parameter. To change parameter value, press
to decrease or
o
F)
Difference Between Actual Tank Temperature and User
o o
C/ F)
NOTE: The following parameters are applicable only if the
o o
C/ F) Minimum outdoor design conditions for reset curve
o o
C/ F) Maximum outdoor design conditions for reset curve
o o
C/ F)
o o
C/ F)
Outdoor temperatures greater than this value return the
o o
C/ F)
screen appears Installer Mode is active. Press
to increase the value. Press
Long Description
Minimum Tank Temperature
Setpoint that will Initiate Demand
Maximum Combustion System Power
Fahrenheit or Celsius
Economy Mode
Turns on the Outdoor Reset Curve
Outdoor Reset Curve is turned on.
Minimum tank temperature for reset curve
Maximum tank temperature for reset curve
tank target temperature to the User Setpoint
at this screen to accept
Range (Default)
70-160 (120)
4-20 (8)
50-100 (80)
o o
0 = C / 1 = F (1)
0 = Off / 1 = On (0)
0 = Off / 1 = On (0)
10-70 (10)
10-70 (68)
70-160 (120)
70-160 (140)
50-100 (68)