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5

 

Alarm Set Point Adjustment 

The dew point at which an alarm occurs can be changed.  The unit must be opened for 
this procedure so 

remove power before proceeding. 

 
Remove the four nuts and screws that hold the panel in the case.  Remove the panel and 
look at the PC board. 
 

WARNING 

THE FOLLOWING PROCEDURE IS PERFORMED WITH POWER APPLIED. TO 
PREVENT SHOCK, DO NOT TOUCH ANY TERMINALS INSIDE THE DEW 
POINT MONITOR. 
 
Apply power to the unit and turn it on with care, making sure not to touch any electrical 
components inside.  Locate the display function switch (S1) near the upper left corner of 
the PC board.  Note that only one position of this switch should be ON at a time.  
 
Switch the OPER position of S1 to OFF and the SET1 position to ON. Adjust SET1 
potentiometer to the desired alarm set-point as shown on the LED display. 
 

 

S1 setting for alarm set-point view and adjustment 

 

 
When finished adjusting the alarm set-point, return S1 to the default operating mode by 
switching OPER position ON and all others OFF as shown below: 

 

S1 setting for normal operation 

 
Remove power to the unit before assembling the panel back in its case. 
 

OPER 

SET1 

SET2 

S1 

OPER 

SET1 

SET2 

S1 

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