108
LEGEND FOR Fig. 67-69
Control Abbreviations — Fig. 67-69 Wiring Codes — Fig. 67-69
Symbols — Fig. 67-69
ALE — Chiller Alert
ALM — Chiller Alarm
AUTO_DEM — Demand Limit Input
AUTO_RES — Auto Water Temp Reset
CHST_OUT — Chiller Running (On/Off/Ready)
CHW_DP — Chilled Water Pressure Difference
CHWP — Chilled Water Pump
CHWP_V — Chilled Water Pump (Variable)
CHWR — Chilled Water Return
CHWS — Chilled Water Supply
CDWP — Condenser Water Pump
CDWP-V — Condenser Water Pump (Variable)
CHWP — Chilled Water Pump
CHW
P_V — Chilled Water Pump (Variable)
COND_EWP — Entering Condenser Water Pressure
COND_FL — Condenser Water Flow Measurement
COND_FS — Condenser Water Flow Switch
COND_LWP — Leaving Condenser Water Pressure
COND_P — Condenser Pressure
CUS_ALE — Customer Alert
DGT — Compressor Discharge Temperature
DMP_CL — Economizer Damper Valve Close
DMP_FC — Damper Valve Feedback Fully Close
DMP_FO — Damper Valve Feedback Fully Open
DMP_OP — Economizer Damper Valve Open
ECDW — E
ntering Condenser Water Temperature
ECON_P — Economizer Pressure
ECW — Entering Chilled Water Temperature
ERT — Evaporator Refrigerant Temperature
EVAP_EWP — Entering Evaporator Water Pressure
EVAP_FL — Evaporator Water Flow Measurement
EVAP_LWP — Leaving Evaporator Water Pressure
EVAP_P — Evaporator Pressure
FS-SS — Free Cooling Start Switch
GV1-ACT — IGV1 Position Input
GV1_OUT — IGV1 Control Signal
HDPV_O
UT — Head Pressure Output
HGBP_CL — Hot Gas Bypass (HGBP) Valve Close
HGBP_FC — Hot Gas Bypass Valve Feedback Fully Close
HGBP_FO — Hot Gas Bypass Valve Feedback Fully Open
HGBP_OP — Hot Gas Bypass Valve Open
HP_SW — High Pressure Switch
ICE_CON — Ice Build Contact
LCDW — Leaving Condenser Water Temperature
LCW — Leaving Chilled Water Temperature
MTRB1 — Low Speed Motor End Bearing Temperature
(Thermistor/PT100)
MTRB2 — L
ow Speed Compressor End Bearing
Temperature (Thermistor/PT100)
MTRB3 — High Speed Motor End Bearing Temperature
(Thermistor/PT100)
MTRB4 — High Speed Compressor End Bearing
Temperature (Thermistor/PT100)
MTRW1 — Motor Winding Temperature 1
MTRW2 — Motor Winding Temperature 2
MTRW3 — Motor Winding Temperature 3
OIL_HEAT — Oil Heater On/Off
OIL_PUMP — Oil Pump On/Off
OILP_DIS — Oil Pump Discharge Pressure
OILP_SMP — Oil Sump Pressure
OILT_SM
P — Oil Sump Temperature
REM_CON — Remote Connect Input
REM_LOCK — Chiller Lockout Input
REM_STP — Remote Stop Lock
SAFETY — Spare Safety
SHFT_DIS — Bearing Shaft Displacement Switch
TFR_HIGH — Tower Fan High
TFR_LOW — Tower Fan Low
1C — Oil Heater Contactor
2C — Oil Pump Contactor
1CB — Micro Circuit Breaker, Control Box
2CB — Micro Circuit Breaker, HMI
3FU1,2 — Transformer 1 Primary Fuse
3FU3,4 — Transformer 1 Secondary Fuse
1R — Alarm Relay
1T — Transformer 1
2T — Transformer 2
3T — Transformer 3
1TB — Terminal Block for Customer Power Connection
2TB — Terminal Block for Field Connection
3TB — Terminal Block for Customer Optional Connection
4TB — HMI Terminal Block Field CCN Connection
5TB — Terminal Block for Control Panel Internal Connection
6TB — Terminal Block for Guide Vane, HGBP and Damper Valve
7TB — Terminal Block for Guide Vane Actuator (220 v)
A01 — IGV/Stage 1 IGV
A03 — Discharge Gas Temperature Thermistor
A04 — High Pressure Switch
A06 — Bearing Displacement Switch
C11 — HGBP Valve Actuator
E01 — Evaporator Pressure Transducer
E03 — Leaving Chilled Water Temperature Thermistor
E05 — Evaporator Refrigerant Liquid Temperature Thermistor
EC01 — Economizer Pressure Transducer
EC06 — Damper Valve Actuator
HMI — Human Interface Panel
ISM — Integrated Starter Module
M01 — Motor Winding Temperature 1 (Thermistor/PT100)
M02 — Motor Winding Temperature 2 (Thermistor/PT100)
M03 — Motor Winding Temperature 3 (Thermistor/PT100)
MSP — Motor Starter Protection
SAIA — SAIA Touch Screen and Main Board
T01 — Low Speed Motor End Bearing Temperature
(Thermistor/PT100)
T02 — Low Speed Compressor End Bearing Temperature
(Thermistor/PT100)
T03 — High Speed Motor End Bearing Temperature
(Thermistor/PT100)
T04 — High Speed Compressor End Bearing Temperature
(Thermistor/PT100)
T05 — Oil Sump Temperature Thermistor
T07 — Oil Sump Pressure Transducer
T08 — Oil Pump Discharge Pressure Transducer
T10 — Oil Heater
T11 — Oil Pump
Component Terminal
Conductor Male/Female Connector
Field Wiring
Optional Wiring
Component/Panel Enclosure
Terminal Block for Field Wiring
Terminal Block for Internal Connection
Wire Splice
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