16
Table 7 — SIOB-A Inputs and Outputs
Table 8 — SIOB-B Inputs and Outputs
LEGEND
ITEM IN/OUT TYPE BOARD CONNECTOR CCN POINT DESCRIPTION
DI-01 Dry contact
J1
ONOFF_ SW Remote On-Off Switch (SW1)
DI-02 Dry contact SETP_SW Dual Setpoint Switch
DI-03 Dry contact LIM_SW1 Demand Limit Switch 1 OnOff
DI-04 Dry contact — Not Used —
DI-05 Dry contact J34 — Not Used —
DI-06 Dry contact
J3
OIL_L_A Oil Level Switch Circuit A
DI-07 Dry contact FLOW_SW Chilled Water Flow Switch (CWFS)
DI-08 Dry contact HEATR_SW Cooler Heater Current Sensing Rly Feedback
AI-01 Temp (5000 W)
J25
COOL_EWT Cooler Entering Water Temperature
AI-02 Temp (5000 W) COOL_LWT Cooler Leaving Water Temperature
AI-03 Temp (5000 W) OAT Outdoor Air Temperature
AI-04 Temp (5000 W) CP_TMP_A Compressor A motor temperature
AI-05 Temp (5000 W) ECO_T_A Economizer Temperature Circuit A
AI-06 Pressure J11 DP_A Discharge Pressure Circuit A
AI-07 Pressure J19 SP_A Suction Pressure Circuit A
AI-08 Pressure J20 ECO_P_A Economizer Pressure Circuit A
AI-09 Pressure J21 OP_A Oil Pressure Circuit A
AI-10 4 to 20 mA J9 — Not Used —
DO-01 Relay output
J2
CPUMP_1 Pump Relay #1
DO-02 Relay output CPUMP_2 Pump Relay #2
DO-03 Relay output
J6
OIL_HT_A Oil Heater Contactor Circuit A
DO-04 Relay output VFD_EN_A VFD Enable Output Circuit A
DO-05 Relay contact J23 ALARM Alarm Relay
DO-06 Relay contact J22 RUNNING Running Relay
DO-07 Triac
J7
OIL_SL_A Oil Solenoid Circuit A
DO-08 Triac C_HEATER Cooler Heater Contactor
DO-09 Triac VI_A VI Solenoid Control Compressor Circuit A
DO-10 Triac ISO_POS_A Isolation Valve Relay Circuit A
STPR1 Stepper motor J17 EXV_A EXV-A
STPR2 Stepper motor J18 ECO_A ECEXV-A
AO-01 0 to 10 VDC J10 — Not Used —
ITEM IN/OUT TYPE BOARD CONNECTOR CCN POINT DESCRIPTION
DI-01 Dry contact
J1
— Not Used —
DI-02 Dry contact — Not Used —
DI-03 Dry contact — Not Used —
DI-04 Dry contact — Not Used —
DI-05 Dry contact J34 — Not Used —
DI-06 Dry contact
J3
OIL_L_B Oil level Circuit B
DI-07 Dry contact FLOW_SWB Customer Supplied Pump Interlock Relay
DI-08 Dry contact — Not Used —
AI-01 Temp (5000 )
J25
— Not Used —
AI-02 Temp (5000 ) — Not Used —
AI-03 Temp (5000 ) CHWSTEMP Dual chiller temperature (accessory)
AI-04 Temp (5000 ) CP_TMP_B Compressor motor temperature Circuit B
AI-05 Temp (5000 ) ECO_T_B Economizer temperature Circuit B
AI-06 Pressure
J11
DP_B Discharge pressure Circuit B
AI-07 Pressure J19 SP_B Suction pressure Circuit B
AI-08 Pressure
J20
ECO_P_B Economizer pressure Circuit B
AI-09 Pressure
J21
OP_B Oil pressure Circuit B
AI-10 4 to 20 mA
J9
— Not Used —
DO-01 Relay output
J2
— Not Used —
DO-02 Relay output — Not Used —
DO-03 Relay output
J6
OIL_HT_B Oil heater contactor Circuit B
DO-04 Relay output VFD_EN_B VFD enable output Circuit B
DO-05 Relay contact J23 — Not Used —
DO-06 Relay contact J22 — Not Used —
DO-07 Triac
J7
OIL_SL_B Oil solenoid Circuit B
DO-08 Triac BOX_HTR Display heater (accessory)
DO-09 Triac VI_B Vi solenoid control compressor Circuit B
DO-10 Triac ISO_POS_B Isolation valve relay Circuit B
STPR1 Stepper motor J17 EXV_B EXV-B
STPR2 Stepper motor
J18
ECO_B ECEXV-B
AO-01 0 to 10 VDC
J10
— Not Used —
AI — Analog Input
AO — Analog Output
DI — Discrete Input
DO — Discrete Output
STPR — Stepper Motor Output