86
RLC-SVX09Q-EN
Table 33. Communication diagnostics (continued)
Diagnostic
Name
Affects Target Severity
Persistence
Active Modes
[Inactive
Modes]
Criteria
Reset
Level
Comm Loss:
Cond Head
Press Cntrl
Output
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:
Cond Refrigerant
Pressure Output
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:
Cond Water
Pump Analog
Output
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
Entering Water
Temperature
Chiller
Info and Special
Action
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30-second period. If chiller
running, and condenser water regulating valve option
installed, force valve to 100% flow.
Remote
Comm Loss:
Condenser
Leaving Water
Temperature
Chiller
Info and Special
Action
Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30-second period. If Chiller
is running in the heat mode of operation – normal
shutdown, otherwise, informational only. Discontinue Min
Capacity Limit forced cprsr loading due to Low DP in
subsequent start-ups.
Remote
Comm Loss:
Condenser
Refrigerant
Pressure
Circuit 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:
Condenser
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:
Electronic
Expansion Valve
- x
Circuit Normal Latch All
Continual loss of communication between the MP and the
EXV Step Status has occurred for a 30-second period, OR
EXV Steps Maximum Position has not been received. If
EXV Steps Maximum Position has not been received, MP
will periodically request EXV Steps Maximum Position,
since it is only transmitted upon request.
Remote
Comm Loss:
Emergency Stop
Feedback Input
Chiller Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30-second period.
Remote
Diagnostics
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