82
RTHD-SVX01L-EN
Table 24. Communication diagnostics (continued)
Diagnostic Name
Affects
Severity
Persistence
Active Modes
[Inactive Modes]
Criteria
Reset
Level
Comm Loss:
External Demand
Limit Setpoint
Chiller
Warning
and Special
Action
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period. Chiller
shall discontinue use of the External Demand limit setpoint
and revert to the next higher priority for Demand Limit
setpoint arbitration
Remote
Comm Loss: High
Pressure Cutout
Switch
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Evaporator Water
Flow Switch
Chiller Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Condenser Water
Flow Switch
Chiller Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Evaporator Rfgt
Pressure
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Condenser Rfgt
Pressure
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Oil
Pressure
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Oil
Return Gas Pump
Fill
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Oil
Return Gas Pump
Drain
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Oil
Loss Level Sensor
Input
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Primary Oil Line
Solenoid Valve
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Evaporator Water
Pump Relay
Chiller
Warning
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Condenser Water
Pump Relay
Chiller
Warning
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: SSS/
AFD Fault
Chiller
Warning
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss:
Refrigerant Monitor
Input
Chiller
Warning
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Ext
Base Loading
Setpoint
Chiller
Warning
and Special
Action
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period. The
external base load setpoint input is removed from the
arbitration to establish the Base LoadingSetpoint.
Remote
Comm Loss: Ext
Base Loading
Command
Chiller
Warning
and Special
Action
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period. The
external base load input is removed from the arbitration to
enable Base Loading.
Remote
Comm Loss:
Evaporator Rfgt
Liquid Level
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Diagnostics