Trane CVHG Information Manual

Field Start-up
Information Manual 35
Service Setup Screen xxx or xxx.x. Factory Default is
5°F/Min (2.8°C/MIn).
Hot Gas Bypass Enable
This screen does not appear when the hot gas
bypass option is not installed.
Possible values of [d/e] are: Disable (Factory
Default) and Enable.
HGBP Timer Enable
The following will be displayed only if HGBP is
installed.
The choices for Status are: Enable (Factory Default)
and Disable (Unlmtd Time).
Maximum HGBP Time
The following will be displayed only if HGBP is
Installed and the HGBP Timer is Enabled.
Range of values is 1 to 480 minutes in increments of
1 Minute. Factory Default is 30 Minutes.
HGBP Mode, Vane Target
This screen does not appear when the hot gas
bypass option is not installed.
Range of values is 0 to 30% in increments of 1%.
Factory Default is 10%. This setting drives the IGVs
to the target when HGBP is entered.
LWT Control Proportional Gain (Kp) Setpt
The range of valves is 0 to 100%/°F (0 to 180%/°C)
in increments of 0.1.
LWT Control Integral Gain (Ki) Setpt
The range of valves is 0 to 1%/°F (0 to 1.8%/°C) in
increments of 0.001. The Factory Default is 0.110%/
°F (0.198%/°C).
LWT Control Derivative Gain (Kd) Setpt
The range of valves is 0 to 10.0%/F (0 to 18.0%/C) in
increments of 0.1. The Factory Default is 00.0%/F
(00.0%/C).
IGV Maximum Travel Setpt
This screen is displayed only if “Inlet Guide Vane
Output” is “Stepper Motor.”
Range of values is 0 to 60,000 Steps in increments of
100 Steps. Factory Default is 50,000 Steps.
Note: this is also known as the 90 degree vane
setting. You must use the value determined at the
factory. Each unit is unique and must be individually
set. If the factory setting cannot be determined, it
Hot Gas Bypass Control: [d/e]
Press (+)(-) to Change Setting
HGBP Timer: [Status]
Press (+)(-) to Change Setting
Maximum HGBP Time: xxx Min
Press (+)(-) to Change Setting
Hot Gas Bypass Mode IGV Target:xx %
Press (+)(-) to Change Setting
LWT Proportional Gain: xxx.x %/F
Factory Dflt is 10.0 %/F & 18.0 %/C
LWT Integral Gain:x.xxx %/F
Factory Dflt is 0.110 %/F & 0.198 %/C
LWT Derivative Gain: xx.x %/F
Factory Dflt is 00.0 %/F & 00.0 %/C
IGV Maximum Travel: xx,xxx Steps
Press (+)(-) to Change Setting

Trane CVHG Specifications

General

Brand	Trane
Model	CVHG
Category	Chiller
Language	English