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APPENDIX B — CCN TABLES
CCN DISPLAY TABLES — A_UNIT (General Unit Parameters)
CCN DISPLAY TABLES — CIRCA_AN (Circuit A Analog Parameters)
DESCRIPTION VALUE UNITS POINT NAME FORCIBLE
Control Mode 0 = Test
1 = Local Off
2 = CCN Off
3 = Clock Off
4 = Emergency Stop
5 = Local On
6 = CCN On
7 = Clock On
8 = Heat Enabled
9 = Pump Delay
STAT N
Occupied No/Yes OCC N
CCN Chiller Start/Stop CHIL_S_S Y
Low Sound Active No/Yes LSACTIVE N
Alarm State Normal/Alert/Alarm ALM N
Active Demand Limit 0 to 100 % DEM_LIM Y
Override Modes in Effect No/Yes MODE N
Percent Total Capacity 0 to 100 % CAP_T N
Requested Stage 0 to 99 STAGE N
Active Set Point –20 to 70 FSP N
Control Point –20 to 70 F CTRL_PNT Y
Entering Fluid Temp snnn.n FEWT N
Leaving Fluid Temp snnn.n FLWT N
Emergency Stop Enable/Emstop Enable EMSTOP Y
Minutes Left for Start 00:00 to 15:00 minutes MIN_LEFT N
PUMPS
Cooler Pump Relay 1 Off/On COOLPMP1 N
Cooler Pump Relay 2 Off/On COOLPMP2 N
Cooler Pump 1 Interlock Open/Close PMP1_FBK N
Cooler Pump 2 Interlock Open/Close PMP2_FBK N
Cooler Flow Switch Open/Close COOLFLOW N
Lead Pump LEADPUMP Y
Rotate Cooler Pumps Now No/Yes ROT_PUMP Y
Heat/Cool Select Heat/Cool HC_SEL N
DESCRIPTION VALUE UNITS POINT NAME FORCIBLE
CIRCUIT A ANALOG VALUES
Percent Total Capacity 0-100 % CAPA_T N
Percent Available Cap. 0-100 % CAPA_A N
Discharge Pressure nnn.n PSIG DP_A N
Suction Pressure nnn.n PSIG SP_A N
Head Setpoint nnn.n °F HSP N
Saturated Condensing Tmp snnn.n FTMP_SCTAN
Saturated Suction Temp snnn.n F TMP_SSTA N
EXV % Open nnn % EXV_A N
Var Head Press Output nnn.n milliamps VHP_ACT N
Compr Return Gas Temp nnn.n FTMP_RGTAN
Discharge Gas Temp nnn.n °F DISGAS N
Suction Superheat Temp nnn.n FSH_AN
Spare 1 Temperature nnn.n °F SPR1_TMP N