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APPENDIX D: SystemVut Controller CCN Tables
Maintenance Tables (cont)
Tab le Display Name Range Units Point Name
Write
Status
OKFCDI AG (c o nt )
Diff. Dry Bulb Control Enable/Disable DIFFBULB
Free Co oling Min Temp --- 30 to 70 °F MINFREET
Free Cooling Max OAT 0to90 °F MAXFREET
Diff. Dry Bulb Deadband 0to20 °F OATRATDB
Dry Bulb Lockout Ye s/No DBLOCK Forcible
Diff. Enthalpy Control Enable/Disable DIFFENTH
Max Enthalpy OA limit 1to99 Btu/lb FREEMAXE
Enthalpy Cross Deadband 0to20 Btu/lb OAERAEDB
Enthalpy Switch High/Low ENTH_SW Forcible
Enthalpy Lockout Yes/No ENTHLOCK Forcible
Currently Occupied Yes/No OCCUPIED Forcible
Unocc Free Cool Low Temp --- 30 to 70 °F OATLUFC
Unocc Free Cool Lockout Yes/No UNOCLOCK
Econ Damper Operationa l Yes/No DAMPGOOD
OKtoUseFreeCooling? Yes/No OKFREECL
Ok to unocc Free Cool? Ye s/No OKTOUFC
HEATDIAG
System Demand see Appendix B SYS_DMDT
O p e r a t i n g S u b --- M o d e see Appendix B SUBMTEXT
IGC Fan On Request (IFO) On/Off IGC_IFO
Request ed IDF Speed 0 t o 100 % RQFANSPD
Commanded IDF Speed 0 to 100 % FANSPEED
IDF Commanded RPM RPM FSPD_RPM
OK to Run Heat Yes/No OKTOHEAT
All Heat Stages Lockout Yes/No ALLHTLOC Forcible
Max Allowed Heat Stages 0to2 MAXHSTGS Forcible
Supply Air Temp Trend xxx.x ^F/min SATTREND
Supply Air Temperature xxx..x °F SAT
Requested Heating Stages 0to2 REQHSTGS
Heat Stage 1 Timeguard xxx sec TIMGD_H1
Heat Stage 2 Timeguard xxx sec TIMGD_H2
Heat Stage 1 Available Yes/No HT1_AVAL
Heat Stage 2 Available Yes/No HT2_AVAL
Heat Stage 1 Relay On/Off HEAT_1
Heat Stage 2 Relay On/Off HEAT_2
Actual Heat Stage Active x ACTHSTGS
Outdoor Air Temperature xxx.x °F OAT Forcible
Return Air Te mpe rature xxx.x °F RAT Forcible
Fan Supply Air Temp xxx.x °F FST
Econo Commanded Position 0 to 100 % DAMPCMD Forcible
PE_DIAG
0=None
1=MBBRLY11
2=MBBRLY06
PE1 Relay Channel 0to2 PE1_CHAN
PE2 Relay Channel 0to2 PE2_CHAN
PE Turn Off Dead band 0 to 100 % PE_OFFDB
Power Exhaust 1 Relay On/Off PE1 Forcible
Power Exhaust 2 Relay On/Off PE2 Forcible
Econo Commanded Position 0 to 100 % DAMPCMD Forcible
Commanded IDF Speed 0 to 100 % FANSPEED
IDF Commanded RPM RPM FSPD_RPM
IDF Maximum Fan Speed 80 to 100 % SPEEDMAX
IDF Max RPM SP xxxx RPM RPMMAXSP
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