Trane Optimus RTHD, Installation, Operation And Maintenance Manual

Page: 85 / 96

Diagnostics
RTHD-SVX01K-EN 85
Comm Loss: Outdoor Air
Temperature
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. Note that if this diagnostic occurs, Chiller
shall remove any OA Chilled Water Reset, if it was in
effect and if Tracer OA was unavailable. Apply slew
rates per Chilled Water Reset spec"
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: 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: Slide Valve
Load
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: Slide Valve
Unload
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: 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: Starter Chiller Immediate Latch All
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second
period.
Local
Comm Loss: Winding Temp
1
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: Winding Temp
2
Chiller Normal Latch All
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second period
Remote
Starter Comm Loss: Main
Processor
Chiller Immediate Latch All
Starter has had a loss of communication with the MP
for a 15 second period.
Local
Table 27. Communication diagnostics (continued)
Diagnostic Name Affects Severity Persistence
Active
Modes
[Inactive
Modes]
Criteria
Reset
Level