Trane CVHG Information Manual

Operator Settings
Information Manual 23
under Duplex Control and it is Compressor B.
Reset Ratio
This is the aggressive value. A higher number is a
quicker response.
The values for Reset Ratio for each of the reset types
are:
Start Reset Setpoint
This is the Delta T the unit is trying to maintain.
The values for Start Reset for each of the reset types
are:
Maximum Reset Setpoint
Controllable Maximum Reset value. Allows a reset
“Up” of this value. The chilled water is maintained
between the leaving chilled water setpoint and the
new reset value.
The values for Maximum Reset for each of the reset
types are:
Ice Building Enable
The following will be displayed only if the ice building
option is installed.
Possible values of [d/e] are: Disable (Factory
Default) and Enable.
Front Panel Ice Termination Setpoint
The following will be displayed only if ice building
option is installed.
Range of values is 20.0 to 32.0°F (-6.7 to 0.0°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
27.0°F (-2.8°C).
Ice Making To Normal Cooling Transition
Timer
The following will be displayed only if the ice building
option is installed. This allows for a timed idle/stop
period for (X) minutes when coming out of ice before
going into the cooling mode (timed by Chiller).
[type] Reset Ratio: xxx %
Press (+)(-) to Change Setting
Reset
Type
Reset
Ratio
Range
Increment
(Eng.
units)
Increment
(SI)
Default
Value
Return 10 to
120%
1% 1% 50%
Outdoor 80 to -80% 1% 1% 10%
[type] Start Reset Setpoint: xxx.x F
Press (+)(-) to Change Setting
Reset
Type
Start
Reset
Range
Increment
(Eng.
units)
Increment
(SI)
Default
Value
Return 4 to 30°F
(2.2 to
16.7°C)
1°F 1°C 10°F
(5.6°C)
Outdoor 50 to
130°F (10
to 54.4°C)
1°F 1°C 90°F
(32.2°C)
[type] Max Reset Setpoint: xxx.x F
Press (+)(-) to Change Setting
Reset
Type
Maximum
Reset
Range
Increment
(Eng.
units)
Increment
(SI)
Default
Value
Return 0 to 20°F
(0.1 to
11.1°C)
1°F 1°C 5°F
(2.8°C)
Outdoor 0 to 20°F
(0.1 to
11.1°C)
1°F 1°C 5°F
(2.8°C)
Ice Building: [d/e]
Press (+)(-) to Change Setting
Panel Ice Termination Setpoint:xxx.x f/c
Press (+)(-) to Change Setting
Ice-To-Normal Cooling Timer: xx min
Press (+)(-) to Change Setting

Trane CVHG Specifications

General

Brand	Trane
Model	CVHG
Category	Chiller
Language	English