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ManualsBrandsWestinghouse ManualsPlumbing8.2 GPM High Efficiency Liquid Propane Tankless Water Heater with Built-in Recirculation and Pump
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WHL-590 REV. 7.27.16
Figure 48 – Recirculation Programming Screen
Setting
Detail
Description
Smart Auto-Learn
(Default Recirculation)
When set in Smart Auto-Learn, the pump will run in the Pulse Function for the first
seven (7) days. During this period the water heater will monitor and record hot water
usage patterns. After the initial seven (7) day learning period, the water heater will use
the preceding week’s usage pattern to cycle the pump and preheat the water.
Recirculation Program 1
Pro1 is a factory set recirculation setting with day and time values. This setting can be
customized for your installation. Day and Time can be programmed.
Default: 4 - 9:30 AM, 4 - 7:30 PM
Recirculation Program 2
Pro2 is a factory set recirculation setting with day and time values. This setting can be
customized for your installation. Day and Time can be programmed.
Default: 6 - 7:30 AM, 6 - 7:30 PM
Recirculation Program 3
Pro3 is a recirculation setting that can be completely customized for your installation.
Day and Time can be programmed. There is no default setting.
Pulse
In Pulse, the pump runs for a set time every hour to internally or externally maintain
hot water temperature on selected days. The burner will turn on during this period if
the heat exchanger water temperature drops below the Recirculation Differential
Temperature (15:So).
Range: 1 – 60 minutes, Default: 10 minutes.
Table 27 – Recirculation Function Overview
1. Smart Auto-Learn Recirculation Function
a. Enter Status Display by pressing and holding button for five seconds at Standby Mode.
b. Turn the dial button to the N:TS screen. Press the button to open the Recirculation Functions.
c. Press the button at the “Auto” screen to select the Smart Auto-Learn Recirculation Function. See Figure 49.
d. The water heater is now in Smart Auto-Learn Recirculation Function.
Figure 49 – Set Auto-Learn Recirculation Function
2. Pro1, Pro2, Pro3, and PULS Recirculation Functions
a. Enter Status Display by pressing and holding button for five seconds at Standby Mode.
b. Turn the dial button to the N:TS screen. Press the button to open the Recirculation Functions.
c. Turn the dial button at the “Pro1”, “Pro2”, “Pro3”, or “PULS” screens to select a Recirculation Function. See Figure 50 A. Press the
button to select the mode.
d. Press the button to enter the day setting. See Figure 50 B.