Diagnostics
RTAC-SVX01J-EN 165
Comm Loss: Male Port
Load Compressor 1A
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Load Compressor 1B
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Load Compressor 2A
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Load Compressor 2B
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Unload Compressor 1A
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Unload Compressor 1B
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Unload Compressor 2A
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Male Port
Unload Compressor 2B
Cprsr 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
Temperature, Circuit #1
or Cprsr 1A
Cprsr 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
Temperature, Circuit #2
or Cprsr 2A
Cprsr 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
Temperature, Cprsr 1B
Cprsr 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
Temperature, Cprsr 2B
Cprsr Normal Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Outdoor Air
Temperature
Chiller Normal 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, operational pumpdown will be performed
regardless of the last valid temperature
Remote
Comm Loss: Starter 1A Cprsr Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Starter 1B Cprsr Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Starter 2A Cprsr Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Starter 2B Cprsr Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Starter
Panel High Temperature
Limit - Panel 1, Cprsr 2A
None Info Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Starter
Panel High Temperature
Limit - Panel 1, Cprsr 1B
None Info Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Starter
Panel High Temperature
Limit - Panel 2, Cprsr 2B
None Info Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Local
Comm Loss: Status/
Annunciation Relays
None Info Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Remote
Comm Loss: Suction
Pressure Cprsr 1A
Special Immediate Latch All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.Circuit target if
no isolation valves, Compressor target if isolation valves or
simplex. Design Note: In the case of manifolded compressors w/
o isolation valves, the occurrence of this diagnostic will also
generate a comm loss with the nonexistent Suction Press Cprsr 1B
in order to accomplish circuit shutdown.
Remote
Table 68. Communication diagnostics (continued)
Diagnostic Name
Affects
Target Severity
Persist-
ence
Active
Modes
[Inactive
Modes] Criteria
Reset
Level
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