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W
S
EBASTO
CHOLASTIC
We recommend that memory locations 1 and 2 be used for presetting starting times within a 24 hour period of setting
the timer. Memory location 3 can be reserved for a starting time within the next 7 days of setting the timer. Location
3 is useful for occasional weekend or field trip operations outside of the normal schedule. By repeatedly pressing the
button, starting time program 1, 2 or 3 can be viewed and preset.
Operating Time
The period of time during which the heater is in operation is referred to as operating time. The heater remains in
operation for as long as the operating time has been preset.
Heater operation can be pre-selected for any time from as little as 1 minute to a maximum of 120 minutes (factory
preset is 60 minutes).
Remaining Operating Time
The remaining operating time refers to the period of time the heater still continues to remain in operation. It can only
be changed while heater is in operation.
If the ignition is switched off while the heater is in operation, the remaining operating time of 5 minutes flashes on the
timer display and the heater continues to operate for this period of time. See "Remaining Operating Time" to adjust
this time setting.
Setting the Digital Timer
After the power has been connected, all symbols on the digital display are flashing. The time of the day and the day
of the week must be set.
All flashing displays and symbols of the timer can be set by means of the
If the
and
buttons are not pressed within 5 seconds, the currently displayed time or function will be stored.
When the
and
buttons are pressed for more than 2 seconds, the quick digit advance mode is activated.
Fig. 3-1: 7-Day Digital Timer Model 1531
S
ERIES
NOTE:
NOTE:
3
F
UNCTIONAL
and
buttons.
D
ESCRIPTION
3-3
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