Source 1 S1-TBSU22HN, Owner'S Manual And Installation Instructions

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Current Service Filter Runtime Hours (Setup Step 6) - This counter keeps track of
the number of hours of fan runtime in the Heating mode, Cooling mode, and in stand
alone Fan operation. Press OUTDOOR to reset.
Current Service Filter Calendar Days (Setup Step 7) -
total number of calendar days that have elapsed since the counter was reset to help
the user track Fan runtime. Press OUTDOOR to reset.
This counter displays the
User Setup: System Runtimes
Service Filter Runtime (Setup Steps 6-7, 14-15)
Set Service Filter Runtime Hours (Setup Step 14) - This timer allows the user to
specify the number of hours the fan will run before the “Replace Filter” alert will be
displayed. Press COOLER continuously until OFF is displayed to disable this alert.
Set Service Filter Calendar Days (Setup Step 15) - This timer allows the user to
specify the number of calendar days that will elapse before the “Replace Filter” alert
will be displayed. Press COOLER continuously until OFF is displayed to disable this
feature.
Press the SETUP button, then press MODE repeatedly until the desired setup
step appears. Use the WARMER or COOLER buttons to make selection. Press
MODE to advance to the next step. Press SETUP to leave the setup screens.
MODE
SETUP
Setup Step
30
RUNTIME
05
These setup steps allow the user to monitor equipment runtimes and program
service alerts.
Runtime hours or days appear
in the clock display.
(This feature not available on all models)