Installation and Maintenance Manual

Diagnostics
RLC-SVX09H-EN 211
Comm Loss: Fan Inverter
Speed Command, Circuit #1
Circuit
(fan
control)
Special
Mode (or in
single fan
deck: Circuit
Immediate
shutdown)
Latch (or in
single fan
deck:Latch)
All
Continual loss of communication between the MP
and the Functional ID has occurred for a 30
second period. Operate the remaining fans as
fixed speed fan deck. For single fan deck
configurations, this diagnostic causes a latching
circuit shutdown
Comm Loss: Fan Inverter
Speed Command, Circuit #2
Circuit
(fan
control)
Special
Mode (or in
single fan
deck: Circuit
Immediate
shutdown)
Latch (or in
single fan
deck:Latch)
All
Continual loss of communication between the MP
and the Functional ID has occurred for a 30
second period. Operate the remaining fans as
fixed speed fan deck. For single fan deck
configurations, this diagnostic causes a latching
circuit shutdown
Comm Loss: Female Step
Load Compressor 1A
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: Female Step
Load Compressor 2A
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: Heat (Cool
Switch
Heat Mode
Special
Action
Latch All
Continual loss of communication between the MP
and the Functional ID has occurred for a 30
second period. The external input shall revert to
normal (cooling) request regardless of last state.
Chiller mode shall follow “OR” arbitration for
heating (cooling mode, i.e. If any of the remaining
inputs (front panel of BAS) are requesting heat
mode, then the chiller shall be in heat mode.
Remote
Comm Loss: High Pressure
Cutout Switch, Cprsr 1A
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: High Pressure
Cutout Switch, Cprsr 2A
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: Ice-Making
Status
Ice-
Machine
Special
Action
Latch All
Continual loss of communication between the MP
and the Functional ID has occurred for a 30
second period. Chiller shall revert to normal (non-
ice building) mode regardless of last state.
Remote
Comm Loss: Local BAS
Interface
None
Special
Action
Non Latch 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: Male Port Load
Compressor 1A
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: Male Port Load
Compressor 2A
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: Male Port
Unload Compressor 1A
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: Male Port
Unload Compressor 2A
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: Motor Winding
Thermostat Compressor 1A
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: Motor Winding
Thermostat Compressor 2A
Circuit Normal Latch All
Continual loss of communication between the MP
and the Functional ID has occurred for a 30
second period.
Remote
Table 135. Communication Diagnostics
Diagnostic Name
Affects
Target Severity Persistence
Active
Modes
[Inactive
Modes] Criteria
Reset
Level