Trane Ascend ACR Series User Manual

AC-SVX001A-EN
103
Table 28. Diagnostics — communication (continued)
Diagnostic
Name
Affects
Target
Severity
Persistence
Active
Modes
[Inactive
Modes]
Criteria
Reset
Level
Comm Loss:
Local BAS
Interface
Chiller Info NonLatch All
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second
period.
Use last valid BAS setpoints.
Diagnostic is cleared when successful
communication is established with the LonTalk LLID
(LCIC) or BacNet LLID (BCIC).
Remote
Comm Loss:
Off-cycle
Freeze
Protection
Relay
Chiller Info 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 –
Ckt1
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:
Oil Loss Level
Sensor Input –
Ckt2
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:
Oil Pressure
Cprsr1A
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:
Oil Pressure
Cprsr2A
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:
Op Status
Programmable
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:
Outdoor Air
Temperature
Chiller
Normal
Shutdown
Latch All
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second
period. For RTAE if this diagnostic occurs, operational
pumpdown will be performed regardless of the last
valid temperature
Remote
Comm Loss:
Suction Rfgt
Pressure Ckt1
Circuit Immediate Latch
All [Ckt/Cprsr
lock out]
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second
period. Note: This diagnostic is replaced by
diagnostic 5FB below with Rev 15.0
Remote
Comm Loss:
Suction Rfgt
Pressure Ckt2
Circuit Immediate Latch
All [Ckt/Cprsr
lock out]
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second
period. Note: This diagnostic is replaced by
diagnostic 5FD below with Rev 15.0
Remote
Comm Loss:
Winding Temp
1 Cprsr1A
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:
Winding Temp
1 Cprsr2A
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:
Winding Temp
2 Cprsr1A
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:
Winding Temp
2 Cprsr2A
Circuit Normal Latch All
Continual loss of communication between the MP and
the Functional ID has occurred for a 30 second period
Remote
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Trane Ascend ACR Series Specifications

General

Brand	Trane
Model	Ascend ACR Series
Category	Chiller
Language	English