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AP18733 REV. 3.2.17
64
The following section details the various Recirculation Timer Functions.
Step 1: Set the Recirculation Timer Type.
Setting Detail Description
Allows the installer to customize the Recirculation Function. The recirculation day
and time values must be set in Step 2, SEt.
When set in Smart Auto-Learn, the pump will run in Standard Mode for the rst
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.
Step 2: Set the Recirculation Run Time.
Setting Detail Description
Pro9 is a factory set recirculation run time setting with day and time values.
This setting can be customized for your installation. Day and Time can be
programmed. Default: 6 - 7:30AM, 6 - 7:30 PM
Step 3: Reset the Recirculation Run Time setting.
Setting Setting Setting
Resets the Pro9 or Auto Recirculation Run Time to the factory settings.
Table 28 – Recirculation Function Overview
▪ 1. Set the Recirculation Timer Type
a. Enter the Recirculation Timer by pressing
at Standby Mode while the water heater display is powered on.
b. Press the
button at the “Act” screen to select the Recirculation Timer type. See Figure 41. Turn the dial to choose between “Auto”
or “Pro9”.
c. Press the
button to select the Recirculation Timer Type.
d. The Recirculation Timer Type is now set.
NOTE: If “Auto” is selected, the water heater will monitor and record hot water usage patterns over a period of seven (7) days. After this learn-
ing period, the water heater will use the usage pattern to automatically cycle the pump and preheat the water.
NOTE: If “Pro9” is selected, continue to step 2 below to set the recirculation run time setting.
Figure 41 – Setting the Recirculation Timer Type
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