Carrier /50HC 04-28, Controls, Start-Up, Operation And Troubleshooting, Page: 118 / 144

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APPENDIX A — LOCAL DISPLAY AND CCN TABLES (cont)
Table K — Mode — Operating Modes (cont)
ITEM EXPANSION RANGE UNITS
CCN TABLE/Sub-
TABLE
CCN POINT
CCN WRITE
STATUS
DISPLAY
WRITE
STATUS
OAU Outside Air Unit Diagnostic OAU_DIAG
OA.RN OAU System Run State
1=AUTO
2=OFF
3=TEST
OAU_RUN
OA.OP OAU Operating Mode
0=Off
1=ERV (DCV)
2=Free Cooling
3=OA Tempering
4=Defrost
5=Test
6=Ext. Mode 1
7=Ext. Mode 2
8=Ext. Mode 3
OAU_MODE
2P.DM OAU 2- position Damper Close/Open OAUDMPR
WHL OAU Wheel Speed xxx % OAUWHEEL
LAT OAU Leaving Air Temp xxx.x °F OAU_LAT
EXAT OAU Exhaust Air Temp xxx.x °F OAU_EXAT
OA.MN Minimum Outside Air CFM xxxxx CFM MINOACFM
DCV.M Min DCV Outside Air CFM xxxxx CFM MINDCVSP
OA.FS OAU OA Fan Speed xxx % OAFANSPD
A.OA Actual Outside Air CFM xxxxx CFM ACTOACFM
C.OA Command Outside Air CFM xxxxx CFM CMDOACFM
PE.OF Power Exhaust CFM Offset xxxxx CFM EXOFFSET
EX.FS OAU Exhaust Fan Speed xxx % OAUPESPD
A.EX Actual Exhaust Air CFM xxxxx CFM ACTEXCFM
C.EX Command Exhaust Air CFM xxxxx CFM CMDEXCFM
BP.SP Building Pressure Setpnt x.xx in H2O OAU_BPSP
BP Building Pressure x.xx in H2O OAU_BP
TM.LO OA Tempring Lockout Temp xx °F OATMPLOC
TM.SP OA Tempring SAT Setpoint xx °F OATMPSPT
OA.HT OAU Tempering Heater xxx % OAHEATER
ALM.1 OAU Motor Failure Alarm Off/On OAUALRM1
ALM.2 OAU Dirty Filter Alarm Off/On OAUALRM2
ALM.3 OA Low CFM Alarm Off/On OAUALRM3
ALM.4 OAU Alarm Off/On OAUALRM4
DMD.L DEMAND LIMITING DMDL
D.LMT Demand Limit In Effect No/Yes MODEDMDL
LMT.C Max Cool Stage In Effect x CSTGLIMT
LMT.H Max Heat Stage In Effect x HSTGLIMT
REDL Redline Activated No/Yes MODEREDL
SHED Loadshed Activated No/Yes MODESHED
MAX.C Max Allowed Cool Stages x MAXCSTGS
MAX.H Max Allowed Heat Stages x MAXHSTGS
(Display TRIM
- see
Configuration)
Sensor Calibration TRIM
Space Temp Calibration -30 to 130 °F SPT_CAL forcible
Space Temp Trim -30 to 30 ^F SPT_OFF forcible
Supply Air Temp Calib. -30 to 130 °F SAT_CAL forcible
Supply Air Temp Trim -30 to 30 ^F SAT_OFF forcible
Return Air Temp Calib. -30 to 130 °F RAT_CAL forcible
Return Air Temp Trim -30 to 30 ^F RAT_OFF forcible