Trane CVHG Information Manual

Service Tests Group
58 CVHE-CLD-1A
Starter Dry Run
Use the following screen when [xx] = “Disabled”.
Use the following screen when [xx] Not equal to
“Disabled”.
Possible values of [xx] are: Disabled (Factory
Default), Shorting Relay On, Run Relay On, Start
Relay On, Transition Relay On, and Start and Run
Relays On.
Possible values of [y] are:
Closed This denotes that the Transition Complete
input is seeing a contact closure.
Open This denotes that the Transition Complete
input is seeing a contact open.
If the unit is not in the local Stop mode the following
is displayed.
Oil Pump Status
This screen is displayed only if “Oil Pressure
Protection” is set to “Transducer” or “Xducer &
Switch.”
Possible values for Status are: Auto (Factory Default)
and On.
Differential Oil Pressure is not a setpoint but a status
display.
Vane Control Status/Vane Position
Commands
The following screens will be displayed only when
the “Inlet Guide Vane Output” is set to “Stepper
Motor”.
The possible values of [status] are “Auto” or
“Manual”. Factory Default is “Auto”.
If the vane control status is “Auto” the following is
displayed:
If the vane control status is “Manual” the following is
displayed. When the Vane Control Status is
transitioned from “Auto” to “Manual”, the manual
target is initialized to the current vane position.
The possible values of limit mode are: “Current
Limit”, “Condenser Limit”, "Evap Limit”, and “(+) (-)
and <Enter>”.
Vane Position
The following screen will be displayed only when the
“Inlet Guide Vane Output” is set to “Stepper Motor”.
HGBP Valve Control Status/Manual Open
and Close Commands
If HGBP is installed in the unit, the following screen is
displayed:
Starter Dry Run: [xx]
Press +/- to Change
Starter Dry Run: [xx]
(+)(-) (Enter): Trans Compl Inp: [y]
Starter Dry Run: Disabled
Unit Must Be In Local Stop To Execute
Oil Pump: [Status]
Differential Oil Pressure: xx.x psid
Vane Control Is: [Status]
Press (+)(-) to Change Setting
Inlet Guide Vane Position: xxx.x %Open
[Limit mode]
Vane Pos xxx.x % Target xxx.x % Open
LWT = xx.x [limit mode]
Inlet Guide Vane Position: xxxxx steps
Inlet Guide Vane Position:xx.x degrees
HGBP Valve Control Is: [Status]
LWT = xx.x f/c [Y]

Trane CVHG Specifications

General

Brand	Trane
Model	CVHG
Category	Chiller
Language	English