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THERMOSTAT
These thermostats are accurately calibrated at the
factory. THEY DO NOT HAVE PROVISION FOR FIELD
CALIBRATION.
THERMOMETER
The thermometer in your thermostat has been ac-
curately calibrated at the factory. The thermometer
should only need adjustment if it has been dropped or
shifted due to mishandling.
If set point lever and the thermometer reading do not
agree, follow the procedure below.
1. Remove thermostat cover by pulling up from the
bottom of cover until it clears the retaining posts.
2. Set the cover on a table near an accurate ther-
mometer.
3. After allowing 5 or IO minutes for stabilization,
comparethereadings.lftheyarethe same, replacecover
and put system into operation. If they are different,
recalibrate the thermostat thermometer, step 4.
4. Insert a small screwdriver in the thermometer shaft
(Fig. 8) and turn it until the thermometers read the same.
When the thermometer is calibrated, replace cover and
place system into operation.
NOTE: Hand heat will offset the thermometer reading.
After making each adjustment, wait5 or 10 minutes for
the thermometer to stabilize before comparing.
Fig. E-Thermometer calibration.