Vogt P-24AL, Руководство по обслуживанию

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P24AL & P34AL Service Manual
SERVICING OPERATIONS
12/2016
9-3
Switch #1 #2 #3 #4 #5 #6 #7
ON X X X X X
OFF X X
Table 9-1
Miniature Rocker Switch Settings for Freeze Timer
Entering and Displaying Set Points. Whenever the freeze timer unit is powered up and the
previous setpoint has been lost, the digit display indicates four hyphens. The unit will not operate
until it has been provided with a setpoint, clearing the display of hyphens.
To create or change a setpoint, press the SET key. The setpoint if any, is displayed and the panel key
pads become active. The operation of the timing or counting function and the output loads are not
affected. For setpoint changes, the SET indicator appears on the graphics panel. The setpoint is
changed by pressing appropriate

or

key pads. Pressing a

key increments the setpoint digit
located above the key; the

key decrements the digit located above the key. If the pad is continually
depressed, the digit will change every .5 second until the pad is released. The display will carry to
the digit on the left on the 9 to 0 transitions when using the

pads. The display will borrow from
the digits on the left on the 0 to 9 transitions when using the

pads. On ranges 6 and 7, the display
will carry on the 59 to 00 transition and borrow on the 00 to 59 transition of the two least significant
digits.
When the desired setpoint is displayed, touch the ENT key. The new setpoint is entered, all

and

keys become inoperable and “SET” disappears from the graphics panel. New set points can be
entered while the unit is timing or counting, but they will not take effect until the next reset.
The setpoint may be displayed at any time without disturbing the timing or counting cycle by
pressing SET. The actual value is returned by pressing ENT. If the unit is set at 0000, the load is
always ON if programmed for OOX, and always OFF if programmed OXO.
A keypad “lock” is provided on the freeze timer to prevent unauthorized tampering. To initiate the
keypad lock, press the word “SIGNAL” in the Eagle Signal logo for 8 seconds. To disable the lock
to change set points, remove power from the unit and turn the battery off (miniature rocker switch
#6) and then on. The unit will lose all set points and they must be re-entered for further operation.