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Major swings
RECALIBRATE THERMOMETER
if the thermostat set point and the
thermometer reading da not agree. the
Fo;;rftilneadings are the same.
replace cover and put the system
thermometer may need recalibration.
FO,,OW the proceduy below.
0
q -’
I, the readings are different, in*ert
Remove thermostat CO”fzl.
a hex head wrench in the ther-
mometer shaft and turn it until the
q
set the cover on a table near an
theimometel~ hz3”e the same reading.
accurate thermometer.
q into operation.
Replace cover and put the system