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APPENDIX A — CCN TABLES (cont)
A_UNIT (General Unit Parameters)
CIRCA_AN (Circuit A Analog Parameters)
CIRCA_DIO (Circuit A Discrete Parameters)
DESCRIPTION STATUS UNITS POINT FORCEABLE
1
Control Mode 0 = Service
1 = OFF - local
2 = OFF-CCN
3 = OFF-time
4 = Emergency
5 = ON-local
6 = ON-CCN
7 = ON-time
STAT N
2
Occupied Yes/No OCC N
3
CCN Chiller Start/Stop CHIL_S_S Y
4
Alarm State Normal ALM N
5
Active Demand Limit 0-100 % DEM_LIM Y
6
Override Modes in Effect Yes/No MODE N
7
Percent Total Capacity 0-100 % CAP_T N
8
Requested Stage nn STAGE N
9
Active Setpoint snnn.n °FSP N
10
Control Point snnn.n °F CTRL_PNT Y
11
Entering Fluid Temp snnn.n °FEWT N
12
Leaving Fluid Temp snnn.n °FLWT N
13
Emergency Stop Enable/Emstop EMSTOP Y
14
Minutes Left for Start nn min MIN_LEFT N
15
Heat Cool Select Heat/Cool HEATCOOL Y
DESCRIPTION STATUS UNITS POINT FORCEABLE
1
Circuit A Analog Values
2
Percent Total Capacity 0-100 % CAPA_T N
3
Percent Available Cap 0-100 % CAPA_A N
4
Discharge Pressure nnn.n PSI DP_A N
5
Suction Pressure nnn.n PSI SP_A N
6
Saturated Condensing Tmp snnn.n °FTMP_SCTA N
7
Saturated Suction Temp snnn.n °FTMP_SSTA N
8
Compressor Suction Temp snnn.n °FCTA_TMP N
9
Suction Superheat Temp snnn.n ^F SH_A N
10
EXV % Open 0-100.0 % EXV_A N
DESCRIPTION STATUS UNITS POINT FORCEABLE
1
CIRC. A DISCRETE OUTPUTS
2
Compressor A1 Relay ON/OFF K_A1_RLY N
3
Compressor A2 Relay ON/OFF K_A2_RLY N
4
Compressor A3 Relay ON/OFF K_A3_RLY N
5
Compressor A4 Relay ON/OFF K_A4_RLY N
6
Unloader A1 Relay ON/OFF UNL_A1 N
7
Unloader A2 Relay ON/OFF UNL_A2 N
8
Liq. Line Solenoid Valve OPEN/CLOSE LLSV_A N
9
Hot Gas Bypass Relay ON/OFF HGB N
10
11
CIRC. A DISCRETE INPUTS
12
Compressor A1 Feeback ON/OFF K_A1_FBK N
13
Compressor A2 Feedback ON/OFF K_A2_FBK N
14
Compressor A3 Feedback ON/OFF K_A3_FBK N
15
Compressor A4 Feedback ON/OFF K_A4_FBK N
16
Oil Pressure Switch A OPEN/CLOSE OILSW_A N
17
Low Pressure Switch A OPEN/CLOSE LPS_A N
