Trane CGAM Installation & Operation Manual page 141

Diagnostics
Table 78. Main processor diagnostics (continued)
Evaporator Water Flow Lost – Pump 2
Evaporator Water Flow Lost – Pump 2
Evap Water Flow Lost
Evaporator Water Flow Lost Lockout
Evaporator Water Flow Lost Lockout
Evap Water Flow Lost Lockout
Evaporator Water Flow Overdue
Evaporator Water Flow Overdue
Evap Water Flow Overdue
Evaporator Water Flow Overdue – Pump 1
Evaporator Water Flow Overdue – Pump 1
Evap Water Flow Overdue
Evaporator Water Flow Overdue – Pump 2
Evaporator Water Flow Overdue – Pump 2
Evap Water Flow Overdue
Evaporator Water Flow Too Low
Evaporator Water Flow Too Low
Evap Water Flow Too Low
External Chilled/Hot Water Setpoint
External Chilled/Hot Water Setpoint
Ext Chilled/Hot Water Setpt
External Demand Limit Setpoint
External Demand Limit Setpoint
External Demand Limit Setpt
Fan Fault
Fan Fault
Fan Fault
Fan Inverter Fault
Fan Inverter Fault
Fan Inverter Fault
Fault Detected: Evaporator Water Pump 1
Fault Detected: Evaporator Water Pump 1
Fault: Evap Water Pump
CG-SVX17E-EN
Warning
and
Chiller NonLatch
Special
Action
Chiller Immediate Latch
Immediate
and
Chiller NonLatch
Special
Action
Warning
and
Chiller NonLatch
Special
Action
Warning
and
Chiller NonLatch
Special
Action
Chiller Immediate Latch
Chiller Warning NonLatch
Chiller Warning NonLatch
Circuit Warning Latch
Circuit Warning NonLatch
Normal
Immediate
or Warning
Chiller NonLatch
and
Special
Action
For dual evaporator pump configurations
only. Evaporator Water Flow Lost diagnostic
All
occurred while Pump 2 was the selected
pump.
Four (4) water flow loss events occurred in
a moving 4 day time window. Corrective
All
action is needed to identify and eliminate the
cause.
After the pump request was activated, the
evaporator water flow overdue wait time
elapsed before water flow was established.
All
Special action is to keep the evap pump
request active in a diagnostic override
mode.
For dual evaporator pump configurations
only. Evaporator Water Flow Overdue
All
diagnostic occurred while Pump 1 was the
selected pump.
For dual evaporator pump configurations
only. Evaporator Water Flow Overdue
All
diagnostic occurred while Pump 2 was the
selected pump.
Cooling Mode Refrigerant side to water side heat balance
[Not Cooling indicates that water flow has dropped below
Mode] allowable manufacturer limits.
a. Function Not "Enabled": no diagnostics.
B. "Enabled ": Out-Of-Range Low or Hi or
bad LLID, set diagnostic, default CWS/HWS
All to next level of priority (e.g. Front Panel
SetPoint). This Warning diagnostic will
automatically reset if the input returns to the
normal range.
a. Function Not "Enabled": no diagnostics.
B. "Enabled ": Out-Of-Range Low or Hi or
bad LLID, set diagnostic, default DLS to next
All level of priority (e.g. Front Panel SetPoint).
This Warning diagnostic will automatically
reset if the input returns to the normal
range.
All The fan deck is indicating a fault.
Ckt Energized The fan inverter fault input is ignored for the
[Ckt Not first 5 seconds of start up to allow variable
Energized]All speed drives to power up.
For systems with no evaporator pump, a
single evaporator pump, or a single inverter
driving dual evaporator pumps, an
immediate shutdown shall be performed.For
multiple pump systems, detection of a pump
fault will generally cause pump control to
switch to the redundant pump. For single
inverter, dual pump configuration, switching
All
to the redundant pump can only happen
after the fault is cleared.
no evaporator pump or a single evaporator
pump, a normal shutdown shall be
performed. For multiple pump systems,
detection of a pump fault will generally
cause pump control to switch to the
redundant pump.
Remote
Local
Remote
Remote
Remote
Local
Remote
Remote
Local
Local
Remote
For systems with
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