Table 34 — Hardware Point Communications Loss/Action Taken
HARDWARE POINT CONTROL POINT NAME
ACTION TAKEN UNTIL
COMMUNICATION RESTORED
ALARM Alarm Relay No Action
CFLOW
_
SW Cooler Flow Switch Chiller shut down
COND
_
ENT Condenser Entering Water Thermistor Same as Alert 12
COND
_
LWT Condenser Leaving Water Thermistor Same as Alert 11
COND
_
PMP Condenser Pump Relay Chiller shut down
COOL
_
EWT Cooler Entering Water Thermistor Same as Alarm 10
COOL
_
LWT Cooler Leaving Water Thermistor Chiller shut down
COOL
_
HTR Cooler Heater Turn ON Cooler Pump relay
COOL
_
PMP Cooler Pump Relay No Action
DFLOW
_
SW Condenser Flow Switch Chiller shut down
DISTMP
_
A Discharge Gas Temp Circuit A (Oil Temp) Circuit shut down
DISTMP
_
B Discharge Gas Temp Circuit A (Oil Temp) Circuit shut down
DISTMP
_
B Discharge Gas Temp Circuit B (Oil Temp) Circuit shut down
DMD
_
SW1 Demand Limit Switch 1 No Action
DMD
_
SW2 Demand Limit Switch 2 No Action
DPA Discharge Pressure Circuit A Circuit shut down
DPB Discharge Pressure Circuit B Circuit shut down
DUAL Dual Setpoint Switch Control to Setpoint 1
ECN
_
PR
_
A Circuit A Economizer Pressure Circuit shut down
ECN
_
PR
_
B Circuit B Economizer Pressure Circuit shut down
EXVA Expansion Valve, Circuit A Circuit shut down
EXVB Expansion Valve, Circuit B Circuit shut down
FAN
_
1 Fan Relay 1 No Action
FAN
_
2 Fan Relay 2 No Action
FAN
_
3 Fan Relay 3 No Action
FAN
_
4 Fan Relay 4 No Action
FAN
_
5 Fan Relay 5 No Action
FAN
_
6 Fan Relay 6 No Action
HC
_
SW Heat/Cool Switch Chiller shut down
HR
_
EWT Heat Reclaim Entering Water Thermistor No Action
HR
_
LWT Heat Reclaim Leaving Water Thermistor No Action
ICE
_
DONE Ice Complete Indicator Disable function
ICE
_
VALV Ice Valve Disable function
K
_
A1
_
FBK Compressor A1 Feedback Compressor shut down
K
_
A1
_
RLY Compressor A1 Relay Compressor shut down
K
_
A2
_
FBK Compressor A2 Feedback Compressor shut down
K
_
A2
_
RLY Compressor A2 Relay Compressor shut down
K
_
B1
_
FBK Compressor B1 Feedback Compressor shut down
K
_
B1
_
RLY Compressor B1 Relay Compressor shut down
K
_
B2
_
FBK Compressor B2 Feedback Compressor shut down
K
_
B2
_
RLY Compressor B2 Relay Compressor shut down
LOADR
_
A1 Compressor A1 Loader No Action
LOADR
_
A2 Compressor A2 Loader No Action
LOADR
_
B1 Compressor B1 Loader No Action
LOADR
_
B2 Compressor B2 Loader No Action
LMT
_
MA Demand Limit 4-20 mA Input Disable function
LOR
_
SW Local/Off/Remote Switch Chiller shut down
MLV
_
A Min. Load Valve Relay Circuit A Disable function
MLV
_
B Min. Load Valve Relay Circuit B Disable function
MOTOR
_
A Circuit A MotormasterT Output Disable function
MOTOR
_
B Circuit B Motormaster Output Disable function
MTRCL
_
A1 Compressor A1 Motor Cooling Compressor shut down
MTRCL
_
A2 Compressor A2 Motor Cooling Compressor shut down
MTRCL
_
B1 Compressor B1 Motor Cooling Compressor shut down
MTRCL
_
B2 Compressor B2 Motor Cooling Compressor shut down
OAT Outside Air Temperature Disable function
OIL
_
A1 Compressor A1 Oil Pressure Transducer Compressor shut down
OIL
_
A2 Compressor A2 Oil Pressure Transducer Compressor shut down
OIL
_
B1 Compressor B1 Oil Pressure Transducer Compressor shut down
OIL
_
B2 Compressor B2 Oil Pressure Transducer Compressor shut down
OILA
_
HTR Circuit A Oil Heater Disable function
OILA
_
SW Circuit A Oil Level Circuit shut down
OILB
_
HTR Circuit B Oil Heater Disable function
OILB
_
SW Circuit B Oil Level Circuit shut down
OILPMP
_
A Circuit A Oil Pump No Action
OILPMP
_
B Circuit B Oil Pump No Action
OILSOL
_
A Circuit A Oil Solenoid Circuit shut down
OILSOL
_
B Circuit B Oil Solenoid Circuit shut down
P
_
REF 5 Volt Transducer Reference Chiller shut down
RALARMx Remote Alarm Relay x (1-16) Disable function
RST
_
MA Temp. Reset 4-20 mA signal Disable function
SPA Circuit A Suction Transducer Circuit shut down
SPB Circuit B Suction Transducer Circuit shut down
TLEV
_
A Circuit A Cooler Level Sensor Control EXV-A by discharge superheat
TLEV
_
B Circuit B Cooler Level Sensor Control EXV-B by discharge superheat
TMTR
_
A1 Compressor A1 Motor Thermistor Compressor shut down
TMTR
_
A2 Compressor A2 Motor Thermistor Compressor shut down
TMTR
_
B1 Compressor B1 Motor Thermistor Compressor shut down
TMTR
_
B2 Compressor B2 Motor Thermistor Compressor shut down
T
_
SPACE External Space Temp Thermistor Disable function
VALVE
_
A Circuit A Water Valve Control Circuit shut down
VALVE
_
B Circuit B Water Valve Control Circuit shut down
49
To Next Page
Loading...
