Westinghouse WGRGH**199 Series, Installation, Start-Up, Maintenance, Parts, Warranty

Page: 52 / 76

52
WHL-060 REV. 1.6.16
Display Default Detail Description Display
14: SS
SS:Sd
OFF OFF
Sets the date of the next service reminder: XX/XX/XXXX (MONTH/DAY/YEAR).
YEAR
Service Reminder Date MON
DATE
SS: br 0 Service Reminder Run Hours
Sets the next service reminder based on burner run hours. (OFF, 0 - 9000
hours)
15: So 18 F
Recirculation and Air Handler
Differential Temperature
When set, the water heater will turn on when water temperature falls below this
differential temperature setting.
Example: If set point is 140
o
F and differential is 10
o
F, the water heater will turn
on when water temperature falls below 130
o
F.
NOTE: This parameter is operational on Recirculation and Air Handler modes
ONLY. Range: 9 - 36
o
F
16: UC
FAH(F)
FAH(F) Temperature Measurement Unit
Allows the user to change the temperature measurement unit from Fahrenheit
to Celsius.
CEL(C)
17: IM
On
ON IWM Step Motor Mode IWM Step Motor is in use (ON) or not in use (OFF)
OFF
Ind
18: dt 0 Delay time from DHW mode Range: 0
– 2 minutes
19:SU Cd Solenoid Valve Operation Mode
cd
– Cascade Mode. When this mode is active the solenoid valve energizes
when the water heater is over 90% of the capacity, and will deactivate when
water heater is less than 50% of the capacity.
AH
– Air Handler Mode – This mode must be active when using an Air Handler
application. The pump will operate once every 24 hours if there was not a call
for heat (firing and running pumps) to sanitize recirculation water.
Range: Cd
– AH, Default: Cd
Table 26
– Installer Mode Descriptions
Toggle through displayed items by turning the dial .
To change an item, press the Dial button .
Displayed items can be changed by turning the dial counterclockwise to lower, and clockwise to raise, the displayed value.
To save settings, press the Dial button again.
To leave Installer Mode, press button B again. The water heater will return to power off mode.
I. USING INTERNAL / EXTERNAL PUMP OPERATION
The following section details the use of the Internal / External Pump Operation functions. Internal / External Pump Operation is used to
purge air from the water heater system.
1. Installer Mode will activate when button B is pressed and held for five seconds while the water heater display is powered Off.
2. Turn the dial to O:Pu. Press the Dial button
. “oFF” will flash when the O:Pu setting is ready to be changed.
3. Turn the dial to select “InPu” to use the internal pump, or “EtPu” to use the external pump. Press the dial button
to select the
setting and return to the Installer Mode.
Figure 49
– Internal / External Pump Operation
Screens
Setting Detail Description
Internal Pump Operation Turns on the Internal Recirculation Pump
External Pump Operation Turns on the External Recirculation Pump
Table 27
– Internal / External Pump Operation
Overview