Appendix—Timeclock
Setting the Time Clock
The time clock must be pro- grammed for the unit to operate in occupied mode (under load). If
not programmed, the unit will run in the unoccupied mode. Power must be supplied to the unit for the
time clock to be set.
The following procedure covers:
qsetting the current time and day
qsetting the program (events)
qreviewing and changing the programs, and
qoverriding programs (manually)
Automatic
Run Symbol
Set the Time and Day
The time clock (Figure 36) is locat- ed behind the access door on the top right of the unit.
1.Press Res. (Reset) to clear the display and any program data. The “day” numbers
2.Hold h (Hour) in and toggle
±1h to select military or a.m./ p.m. mode. If a.m/p.m. is
LED Display
elected, AM appears in the display. Release h.
3.Press and hold (¹) (Run). If daylight savings time is in effect, ±1h should appear in the display. If not, press ±1h to clear.
4.Still holding (¹) down, set the current hour and minutes by pressing h and m respec- tively. Then set the day with the Day key using the number corresponding to the day of
Hour
Minute
the week (1 is Monday, 7 is Sunday).
5.Release (¹) and the colon “:” in the display will begin flash- ing.
Set the Program
Determine in advance how you want the unit to operate.
For normal occupied operation, the unit “load” is set ON, whether in heating or cooling. This means
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