Shel lab HF2-2 Installation And Operational Manual page 11

at -2 to match the process value to the independent thermometer. To
navigate the control to the Offset Calibration mode, push the PGM button
once and then push the up arrow
should read CONF. Then push the PGM button again and the display
should say INP. Push the PGM button
read INP1. Push the PGM button
SENS. This enters you in the Input/Configuration Menu. To navigate
through the menu, press the up and down arrows.
down arrow
Then, push the PGM button
While flashing, use the up or down arrow
After the display stops flashing, push the Exit Button
the NORMAL Display is reached.
6.7 Setting High Limit: Prior to setting the High Limit Control be certain the
Main temperature Control has reached the input set point and has remained
stable for several hours. This will insure that the High Limit is set at the
proper temperature. As stated in 4.3, the High Limit control should be at
maximum position, clockwise. Now turn the thermostat counter-clockwise
using a flat-head screwdriver until the High Limit Activated indicator light
comes on. Next turn the thermostat clockwise just until the indicator light
turns off. Then turn the thermostat clockwise two (2) minor increments on
its scale past the point where the indicator light went out. This will set the
High Limit at approximately 10C above the Main Temperature set point.
repeatedly until you reach OFFS in the bottom display.
once, and the display will start flashing.
once and the bottom display
again and the display should
again and the display should read
Press the up or
to set the desired Offset.
repeatedly until
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