Trane TR200 Programming Manual page 165

Parameter Description
14-5* Environment
These parameters help the adjustable frequency drive to operate under special environmental conditions.
14-50 RFI 1
Option:
[0] Off
[1] * On
14-52 Fan Control
Option:
[0] * Auto
[1] On 50%
[2] On 75%
[3] On 100%
14-53 Fan Monitor
Option:
[0] Disabled
[1] * Warning
[2] Trip
4-128
Function:
Off
Select [0] only if the adjustable frequency drive is fed by an isolated
line power source, i.e., from a special IT line power source.
In this mode, the internal RFI filter capacitors between chassis and the
line power RFI filter circuit are cut out to avoid damage to the intermedi-
ate circuit and to reduce the ground capacity currents according to IEC
61800-3.
On
Select [1] to ensure that the adjustable frequency drive complies with
EMC standards.
Function:
Select the minimum speed of the main fan.
Select Auto [0] to run the fan only when the internal temperature of the
adjustable frequency drive is in the range 95°F [+35 C] to approximately
131°F [+55 C]. The fan will run at low speed at 95°F [+35 C] and at full
speed at approximately 131°F [+55 C].
Function:
Select which action the adjustable frequency drive should take in case a
fan fault is detected.
TR200 Programming Guide