Trane S*HF*20-75 Troubleshooting Manual page 15

Unit "Off" or "Stopped"
If at power up the unit is not running, the following display will appear on the Human Interface LCD screen. When this
screen is being displayed, the only functional keys are the six menu keys (Status, Setpoints, Diagnostics, Setup,
Configuration, and Service Mode), the Auto key, the Custom key, and the Stop key.
Stop by Network
Initializing
Top Left Field: Top Right Field:
Unit Off
Unit Stopped
External Stop
Emergency Stop
Stop by Network
Unit Starting
Service Mode Off
Bottom Left Field: Bottom Right Field:
(blank)
Shutdown
Initializing
Freeze Avoidance
Active
Unit "On"
If the unit has entered an operating state (running), the following display will appear on the Human Interface LCD screen.
When this screen is being displayed, the only functional keys are the six menu keys (Status, Setpoints, Diagnostics,
Setup, Configuration, and Service Mode), the Auto key, the Custom key, and the Stop key.
VVDA OA Flow 380.0 CCFM
Occupied Cool
Top Left Field: Top Middle Field:
CVZT (blank)
VVDA OA Flow 0 to 500
CVDA CCFM
VVZT Freeze Avoidance
Bottom Left Field: Bottom Middle Field:
(blank) (blank)
Occupied Heat 1 to 6
Unoccupied Cool 1 to 4
MorningWU OA Dmpr 0 to 100 %
DaytimeWU Dehumid
Standby Purge
Shutdown Humidify
Occupied TOV
SA Fan 0 to 100%
Initializing
Tempering
Rapid Restart
RT-SVP07B-EN
Supply Fan ON
Diagnostics
Supply Fan OFF
Supply Fan ON
(blank)
(Diagnostics)
Supply Fan ON
2
Top Right Field:
Supply Fan ON
Supply Fan OFF
Bottom Right Field:
(blank)
Diagnostics
Used With: Top Status Display
(Shown when unit is off or stopped)
Possible Values:
[see field descriptions at left]
Used With: Top Status Display
Diagnostics
Possible Values:
[see field descriptions at left]
General Status Display
(Shown when unit is on)
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