Trane S*HF*20-75 Troubleshooting Manual page 29

Chilled Water: ENABLED
Valve Position:
"ENABLED" indicates cooling is available.
"DISABLED" indicates cooling is not allowed.
"LIMITED" indicates cooling is available at reduced capacity.
"Opening To" and "Closing To" indicates direction.
• Press Next/Previous keys to navigate.
Dehumidification Status:
by Comfort Control Override is Active
Table 3. Dehumidification Lockout Sources
Value Displayed in Bottom Field
Disabled By Call for Cooling Demand Limit .......................... Compressors unavailable due to demand limit.
Disabled By Compressor Lockout Sources ............................ Required compressors are not available.
Disabled By Occ Dehumid Function Disable ......................... Occupied Dehumid. control is disabled.
Disabled By Dehumid Override Zone Temp High/Low ........... VVDA/CVDA critical zone temp is too high/low.
Disabled By OA Temperature Out Of Range ......................... Outdoor air temperature is out of range.
Disabled By Unocc Dehumid Function Disable....................... Unoccupied Dehumid. control is disabled.
Disabled By Comfort Control Override is Active .................... Comfort cooling control has priority.
Disabled By Required Sensor Failure Condition ..................... Sensor(s) for dehumid. control have failed.
Disabled By Sat Reheat Cond Temp Sensor Fail .................... Sensor for dehumid. control have failed.
Disabled By Reheat Head Pressure High Limit ...................... Reheat circuit is experiencing high pressures.
Disabled By Condenser Coil Purge is Active .......................... Active purge mode temporary override.
• Press Next/Previous keys to navigate.
Humidification Status:
Humidification is Active
• Press Next/Previous keys to navigate.
RT-SVP07B-EN
Opening To
DISABLED
ENABLED
Used With: Air Handler Units w/Chilled
Water
100 %
Possible Values:
Chilled Water:
ENABLED,
DISABLED By Setup,
LIMITED By Demand Limit
DISABLED By Low Air Temp
DISALBED By BAS/Network
Position: 0 to 100%
Used With: Units w/Dehumidification
Top Line Possible Values: ENABLED,
DISABLED
Bottom line Possible Values:
When ENABLED is Shown:
(blank line)
When LOCKED is Shown:
[See "Table 3. Dehumidification
Lockout Sources" Below]
Disable Conditions
Used With: Units w/Humidification
Top Right Field: ENABLED, DISABLED
Bottom Field:
The following shown when DISABLED:
by Occ Humidification Function Disable
by Unocc Humid Function Disable
The following shown when ENABLED:
Humidification is Inactive
Humidification is Active
STATUS Menu
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