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APPENDIX B — CCN TABLES
Status Tables
A_UNIT (General Unit Parameters)
CIRCA_AN (Circuit A Analog Parameters)
DESCRIPTION VALUE UNITS POINT NAME
NETWORK
ACCESS
Control Mode
N
0 = SERVICE
1 = OFF Local
2 = OFF CCN
3 = OFF Time
4 = Emergency
5 = ON Local
6 = ON CCN
7 = ON Time
8 = IDF OFF
9 = SPT SATIS
STAT Read Only
Space Temp Control Mode
N
0 = Cool Off
1 = Lo Cool
2 = Hi Cool
3 = Cool On
SPTMODE Read Only
Occupied NO/YES OCC Read Only
CCN Chiller STOP/START CHIL_S_S Read/Write
Alarm State
N
0 = Normal
1 = Alert
2 = Alarm
ALM Read Only
Cap Req/Setpoint Signal NN.n mA COOL_MA Read Only
Active Demand Limit NNN % DEM_LIM Read/Write
Override Modes in Effect NO/YES MODE Read Only
Percent Total Capacity NNN % CAP_T Read Only
Requested Stage NN STAGE Read Only
Active Setpoint NNN.n °F (°C) SP Read Only
Control Point NNN.n °F (°C) CTRL_PNT Read/Write
Return Air Temperature NNN.n °F (°C) RETURN_T Read/Write
Supply Air Temperature NNN.n °F (°C) SUPPLY_T Read/Write
Emergency Stop Enable/EMStop EMSTOP Read/Write
Minutes Left for Start 5 Character ASCII MIN_LEFT Read Only
DESCRIPTION VALUE UNITS POINT NAME
NETWORK
ACCESS
CIRCUIT A ANALOG VALUES
Percent Total Capacity NNN % CAPA_T Read Only
Percent Available Cap. NNN % CAPA_A Read Only
Discharge Pressure NNN.n psig (kPa) DP_A Read Only
Suction Pressure NNN.n psig (kPa) SP_A Read Only
Head Setpoint ON NNN.n °F (°C) HSP_ON Read/Write
Head Setpoint OFF NNN.n °F (°C) HSP_OFF Read/Write
Saturated Condensing Tmp NNN.n °F (°C) SCTA Read Only
Saturated Suction Temp NNN.n °F (°C) SSTA Read Only
Var Head Press Out Cir A NNN.n % VHPA_ACT Read Only
Compr Return Gas Temp NNN.n °F (°C) RGTA Read Only
Discharge Gas Temp NNN.n °F (°C) DIGCMPDT Read Only
Suction Superheat Temp NNN.n 'F ('C) SH_A Read Only