Aprilaire 61000652C 8400 Tstat Thermostat User Manual


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14
SETUP & TESTING
System setting Setting range, default in bold
09 1st stage differential
1°F (0.5°C)
1°Fto4°F(0.5°Cto2°C)
102ndstagedifferential(8448,8466)
1°F (0.5°C)
1°Fto4°F(0.5°Cto2°C)
113rdstagedifferential(8448HP,8466HP)
1°F (0.5°C)
1°Fto4°F(0.5°Cto2°C)
12Reversevalve(8446,8466HP,8465,8466HP)
0 – O/B energized in cooling (O)
1–O/Benergizedinheating(B)
13Integralfactorperiod(P+Icontrol)*
Set to OFF for proportional control only
4 minutes
1to5minutesor“OFF”todisable
14Deadband(automode)
3°F (2°C)
2°Fto5°F(1°Cto3°C)
15Progressiverecovery(8463,8465,8466)
0:Progressiverecoveryisdisabled
1 : Progressive recovery is enabled
*Theintegralfactorisusedintheequipmentcontrolalgorithmtomaintainthespacetemperatureatsetpoint.
Ashortintegralfactorperiodwillincreasethenumberofcyclesperhour.(Ashortintegralfactorperiodwillbemore
comfortable.)Alongintegralfactorperiodwilllowerthenumberofcyclesperhour.(Alongintegralfactorperiodwill
bemoreeconomical.)
SYSTEM SETUP INSTRUCTIONS (CONTINUED)
61000652C 8400 Tstat Install.indd 14 10/13/09 11:09:00 AM
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