7
User Factory Setting
No. Options Default Options Comments
1 1ststage
0.5
0.5, 1.0
Selecta1ststagetemperature
differential
or 2.0 differentialof0.5˚,1.0˚or2.0˚F
(0.2˚,0.5˚or1.0˚C)
2 2ndstage
2.0
1.0, 2.0,
Selecta2ndstagetemperature
differential
3.0, 4.0
, differentialof2˚,3˚,4˚,5˚or6˚F
(1200NCOnly
)
5.0
or
6.0
(1.0˚,1.5˚,2.0˚,2.5˚or3.0˚C)
Table of User Options
Detailed Explanation of User Options:
Temperature Differential
(User Option 1 and 2)
Thedifferentialsettingisthetemperaturecontrolrangethatyourthermostat
willprovide.Thesmallerthesetting,thetighteryourrangeoftemperature
controlandcomfortwillbe.The2ndstagedifferentialisonlyforsystems
withasecondstageofheating(auxiliaryheat).
6
Operating Your Thermostat
Setting the System Control Mode
TheSystemControlhasseveralmodesofoperationthatcanbeselectedby
movingtheSYSTEMswitchtooneofthreepositions.
COOL Onlyyourcoolingsystemwilloperate
OFF Heatingandcoolingsystemsareoff.
HEAT Onlyyourheatingsystemwilloperate.
Additional Switch Position (Model 1200NC Only):
EMER Operatesabackupheatsource(EmergencyHeat)forheatpump
systemsonly.
NOTE:
If your model 1200NC was set to a
con-
ventional system (NORM) then you will not have the
EMER (emergency heat) option and “NO AUX SET”
will flash in the display if EMER is selected
with the
system switch.
Setting the Fan Control Mode
The Fan Control has 2 modes of operation – AUTO
and ON. The mode can be selected by moving the
FAN switch to the appropriate position.
AUTO Thesystemfanwillrunonlywhenyour
heatingorcoolingsystemisrunning.
ON Thesystemfanwillstayon.
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