Trane IntelliPak - Page 74

74 RT-SVP011A-EN
Troubleshooting
Space
Temperature
Space
Temperature
Space
Temperature
Unit Warning VVZT/CVZT:
Latching
VVDA/
VVZT/CVZT:
All
VVDA/
CVDA:
All
Unoccupied
modes,
Daytime
Warmup,
Morning
Warmup
Pre Cool
VVZT/CVZT: Unit Shutdown
VVDA/CVDA: Unit continues to operate and disables the
following functions.
All Unoccupied modes (heat, cool, DH),
Daytime Warmup,
Morning Warmup
Pre Cool
Duct Static
Pressure Active is
Invalid
Unit Warning w/
Special Action
Non-Latching All VVDA units only. The active supply air pressure is out of
range.
See ‘Duct Static Pressure Local is Invalid’ below for VVDA
units.
Remote
Duct Static
Pressure Local is
Invalid
Unit Warning w/
Speciall Action
Latching All All units, the active supply air pressure is out of range.
For VVDA units:
The supply fan speed is overriden to minimum speed.
DX Cooling is allowed
All heating is disabled
For CVDA, CVZT and VVZT units
The supply fan operation is normal
High Duct Static Limit Protection, High Duct Static Limit
Trip, and Full Airflow Limit Control is disabled.
Remote
Invalid Active
Occupancy Input
Unit Warning Non-Latching All Remote
Space Temp
Cooling Setpoint
Wired
Unit Warning Non-Latching All Remote
Space Temp
Heating Setpoint
Wired
Unit Warning Non-Latching All Remote
Space
Temperature
Sensor
Unit Warning Non-Latching All Remote
Outdoor Air
Enthalpy Active is
Invalid
Unit Warning Non-Latching All Loss of outdoor air enthalpy will result in a economizer
control mode of dry bulb
Remote
Final Filter
Pressure Sensor
Unit Warning Non-Latching All Loss of input from Pre Evaporator Filter pressure
transducer.
Remote
Pre Evaporator
Filter Pressure
Sensor
Unit Warning Non-Latching All Loss of input from Pre Evaporator Filter pressure
transducer.
Remote
Comm Loss:
Return Air
Humidity
Comm Loss:
Return Air
Humidity
Comm: Return
Air Humidity
Unit Warning
with
Special
Action
Non-Latching All Continual loss of communication between the MP and the
Functional ID has
occurred for a 30 - 35 second period.
This drives a ‘fall back’ response to Enthalpy Economizer
and Energy Wheel decisions.
Remote
Diagnostic Name
and Source
Affects
Target
Severity Persistence
Active
Modes
[Inactive
Modes]
Criteria
Reset
Level