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OPERATION
Test the OTL system at least once per year to verify its functionality. Failure to set the OTL
Note:
voids the manufacturing defect warranty if over temperature damage occurs.
S
O
T
ET THE
VER
EMPERATURE
This procedure sets the mechanical heating cutoff to approximately 1˚C above the current chamber
temperature. Perform this procedure when the unit has been running with no temperature
fluctuations at your application temperature for at least 8 hours.
1.
Set OTL control to its maximum setting, if not already set to max.
2.
Turn the dial counterclockwise (left) until the Over Temperature Activated light illuminates.
3.
Slowly turn the dial clockwise (right) until the Over Temperature light turns off.
4.
Leave the OTL dial set just above the activation point.
Optional:
Turn the dial slightly to the left (counterclockwise).
If the Over Temperature Limit sporadically activates after setting the control, turn the dial very slightly to
the right (clockwise). If the OTL continues activating, check for ambient sources of heat or cold that may
be adversely impacting the unit temperature stability. If you find no sources of external or internal
temperature fluctuations, contact Tech Support or your distributor for assistance.
28 |
P a g e
L
(OTL)
IMIT
There is a soft click when the OTL begins rerouting
•
power away from the heating elements.
The Over Temperature Limit is now set approximately
•
1˚C above the current chamber air temperature.
This sets the cutoff threshold nearer to the current
•
chamber temperature.
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