Specifications

Addr (Hex) Addr (Dec) Bit Init/
Default
Min Value Max Value Description
18H 24H
NA
- - -
OutputStatusByte#1
0 1=Compressor#1ON
1 1=Compressor#2ON
2 1=Compressor#3ON
3 1=Compressor#4ON
4 1=CondenserFan#1ON
5 1=CondenserFan#2ON
6 1=IndoorFanON
7 1=ExhaustFanON
18L 24L
NA
- - -
OutputStatusByte#2
0 1=Stage1HeatON
1 1=Stage2HeatON
2 NA
3 1=HotGasReheatON
4 NA
5 NA
6 1=CoolingisActive
7 1=HeatingisActive
19H 25H
NA
- - -
OutputStatusByte#3
0 1=CompressorsOFFbecauseFreeCoolingisavailable
1 1=CompressorsOFFbecauseofLowAmbient
2 1=CompressorsOFFbecausesupplyvoltageislow
3 1=ControlisinComfortVentilationmode
4 1=DisableControlisActive
5 1=EconomizerisusingFreeCooling
6 1=FreeCoolingisAvailable
7 1=Occupiediscurrentstatus
19L 25L
NA
- - -
OutputStatusByte#4
0 1=Compressor#1OFFbecauseofASCD
1 1=Compressor#2OFFbecauseofASCD
2 1=Compressor#3OFFbecauseofASCD
3 1=Compressor#4OFFbecauseofASCD
4 NA
5 NA
6 NA
7 NA
1AH 26H
NA
12 - -
OptionByte#2
0 Bits1and0=0,0respectivelythereare2stagesof
compression;0,1=3stages;1,0=4stages;1,1=4
1 stages
2 1=SATLimitforCoolingenabled
3 1=SATLimitforHeatingenabled
4 1=Hydronicheatingenabled
5 1=Hydronicheatactuatorvalvereverseacting
6 1=RemoteControlinputenabledforthirdpartyBAS
7 1=HotGasReheatenabled
UnitarySalesToolv1.5.8.0 Informationissubjecttochangewithoutnotice.Checklocalcodes. Printed10/20/2014
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SIMPLICITY® Intelli-Comfort II
Page:16
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