Westinghouse WGRGH20**75F Series Installation, Start-Up, Maintenance, Parts, Warranty page 36

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Maximum Flame Detecting Voltage
Minimum Flame Detecting Voltage
Pre-Purge Time (Tp)
Safety Time (Igniting Time) (Ts)
Igniting Interval Time
Post-Purge Time (Tip)
Over-Heating 1, 2, 3, Protection Detection Time
Temperature Sensor Fault Detection Time
# of Ignition Attempts (Ntl)
Stored Tank Temperature Setting
Burner Off Stored Tank Temperature
Burner On Stored Tank Temperature
High Fire Activation - Water Flow Rate
Low Fire Activation - Water Flow Rate
Table 18 - System Control Settings - *NOTE: Zero Activation with Water Heater Storage Tank Capacity
whl-605 Rev. 002 Rel. 000 Date 1.23.19
Three ( 3 ) Settings - Normal, Hot, Hotter
Normal - 127⁰F, Hot - 137⁰F, Hotter - 147⁰F
Normal - 120⁰F, Hot - 130⁰F, Hotter - 140⁰F
Figure 33 - Electrical Wiring Diagram
AC200V
AC150V
5 - 10 seconds
<5 seconds
<10 seconds
20 seconds
<1 second
<10 seconds
5
Greater than 2.0 gallons (7.57 liters)*
Less than 1.9 gallons (7.2 liters)*