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372 ROUTE 4 BARRINGTON, NH 03825 USA TEL (603) 868-5720 FAX (603) 868-1040 1-800-435-6708
E-Mail:sales@seafrost.com www.seafrost.com
THERMOSTAT CALIBRATION INSTRUCTIONS
Note: Be sure that the unit is operating properly before making any thermostat
adjustments. The sensing bulb must be in excellent thermal contact with the plate or
block.
The range of this control may be changed. To access the adjustment screw, remove
the four mounting screws on the thermostat panel. Tip the panel forward and remove
the protective tape to expose a slot in the case. Make the adjustment with a torx or
small phillips head screwdriver.
Make small adjustments. Record all adjustments.
If the lowest setting on the thermostat panel (1-snowflake) is too cold:
• Turn the adjustment screw clockwise. One 360-degree turn will raise the box
temperature approximately 6 degrees f.
If the highest setting on the thermostat panel (3-snowflakes) is too warm:
• Turn the adjustment screw counterclockwise.