RLC-SVX09Q-EN
87
Table 33. Communication diagnostics (continued)
Diagnostic
Name
Affects Target Severity
Persistence
Active Modes
[Inactive
Modes]
Criteria
Reset
Level
Comm Loss:
Energy Meter
Pulse 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:
Energy Meter X
Chiller
Warning
Latch All
Continual loss of communication between the MP and the
Power Meter has occurred for a 30-second period.
Remote
Comm Loss:
Evap Rfgt Liquid
Level - Cktx
Circuit 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
Entering Water
Temperature
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30-second period. Note:
Entering Water Temp Sensor is used in EXV pressure
control as well as ice making and CHW reset, so it must
cause a unit shutdown even if Ice or CHW reset is not
installed.
Remote
Comm Loss:
Evaporator
Leaving Water
Temperature
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:
Evaporator
Water Pump
Relay
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: Ext
Noise Reduction
Request
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:
External Auto/
Stop
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:
External Chilled
Water Setpoint
Chiller
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 Chilled Water Setpoint
source and revert to the next higher priority for setpoint
arbitration
Remote
Comm Loss:
External Ckt
Lockout
Circuit
Special Action
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30-second period. MP will
nonvolatile hold the lockout state (enabled or disabled) that
was in effect at the time of comm loss.
Remote
Diagnostics
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