Trane CCUN 205-211 User Manual page 13

Chiller control system
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CG-SVU02B-E4
DynaView Interface
Chiller Level Mode
Top Level Mode
Shutting Down
Shutting Down Sub Modes
Evaporator Water Pump Off Delay:
MIN:SEC
Condenser Water Pump Off Delay:
MIN:SEC
Chiller Level Mode
Top Level Mode
Misc.
Misc. Sub Modes
Cond Fans Inhibited By Low Pressure
Hot Water Control
Chilled Water Control
Manual Evaporator Pump Override
Diagnostic Evap Pump Override
Diagnostic Condenser Fan Override
Manual Condenser Pump Override
Manual Compressor Control Signal
Anti-Freeze Heater On
Description
The chiller is still running but shutdown is imminent. The
chiller is going through a compressor run-unload.
Description
The Evaporator pump is executing the pump off delay timer.
The Condenser pump is executing the pump off delay timer.
Description
These sub modes may be displayed in most of the top level
chiller modes
Description
The condenser fans are being inhibited from running because
the ambient temperature was below 10°C and the suction
pressure status is not good at startup for each circuit.
For water cooled (CGWN) the chiller is controlling to the
leaving condenser water temperature. For a reversible (CXAN)
the reversing valve is in the heating position. This sub-mode is
mutually exclusive with the Chilled Water Control mode.
For water cooled (CGWN) the chiller is controlling to the
leaving evaporator water temperature. For a reversible (CXAN)
the reversing valve is in the cooling position. This sub-mode is
mutually exclusive with the Hot Water Control mode
The evaporator water pump relay is on due to a manual
command.
The evaporator water pump relay is on due to a diagnostic.
The condenser fan relays are on due to a diagnostic.
The condenser water pump relay is on due to a manual
command.
Chiller capacity control is being controlled by DynaView or
TechView.
The anti-freeze heater is on.
13

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