Chapter 5: Alarm Programming
77
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4EMPERATUREZONESMAYBESETINEITHER&AHRENHEITOR#ELSIUS
DEGREES4HEDEFAULTTEMPERATURESCALEIS&AHRENHEIT4OCHANGETO
Celsius:
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SENSOR
ON/OFF
0RESSHE-ODELRESPONDS “Degrees Celsius”
INDICATING#ELSIUSSCALEHASREPLACED&AHRENHEITSCALE
TEST
°F/°C
#
4ORETURNTO&AHRENHEITSCALEREPEATTHEKEYSEQUENCE4HE
Model 800 responds: “Degrees Fahrenheit”INDICATING&AHRENHEIT
scale is in effect.
NOTE
7HENSWITCHINGFROM&AHRENHEITTO#ELSIUSORVICE
versa, the change applies to all zones configured to
read temperature. When switching temperature scales
it is important to reset high and low temperature lim
ITSONALLTEMPERATUREZONES2EFERTO3ECTIONTO
reset temperature limits.
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4OCOMPENSATEFORMINORVARIANCESINSENSORACCURACYANOFFSET
MAYBEPROGRAMMEDFOREACHTEMPERATUREZONE4HEAMOUNT
OFOFFSETISMEASUREDINDEGREES&AHRENHEITORDEGREES#ELSIUS
!DJUSTMENTSAREPOSSIBLEWITHINARANGEFROMDEGREESTO
DEGREES&OREXAMPLEIFZONEISSENSINGTEMPERATUREANDIS
reading 1 degree too high, then the calibration for zone 3 is set at
TOOBTAINANACCURATEREADING
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0RESS3%4
SET
0RESS#!,)"2!4%
6
CALIBRATE