Outdoor Reset - Westinghouse WGR050NG076 Installation Instructions Manual

To enter Installer Mode, press and hold
this screen to access the Technical Service Parameters codes (P00, P01, etc.).
To change parameter value, press
Press at this screen to accept the changed value and return to the Technical Service Parameters.
Press to advance through the parameters. Press
Press at any Technical Service Parameter code screens to return to the upper level menu.
Table 11 details the Technical Service Parameters in sequential order.
CODE SHORT DESCRIPTION
o
P00 User Setpoint ( F)
P01 Temperature Differential (
P02 Maximum Power Percentage (%)
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 (
Warm Weather Shutdown Temperature
P10
o o
( C/ F)
Table 11 – 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 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, serious injury, or death.
for five seconds. When the (
or once. The value will appear. Press
to return to the previous parameter.
Difference Between Actual Tank Temperature and
o o
C/ F)
NOTE: The following parameters are applicable only
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 tank target temperature to the User Setpoint
Figure 24 – Outdoor Reset Curve
) screen appears, Installer Mode is active. Press
to decrease or
LONG DESCRIPTION
Minimum Tank Temperature
User Setpoint that will Initiate Demand
Maximum Combustion System Power
Fahrenheit or Celsius
Economy Mode
Turns on the Outdoor Reset Curve
if the Outdoor Reset Curve is turned on.
Minimum tank temperature for reset curve
Maximum tank temperature for reset curve
44
at
to increase the value.
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)
WHL-001 REV. 9.3.14