Trane TR200 Series - Page 155

14-12 Function at Mains Imbalance
Option: Function:
Operation under severe main imbalance conditions reduces the lifetime
of the motor. Conditions are considered severe if the motor is operated
continuously near nominal load (e.g. a pump or fan running near full
speed).
When a severe mains imbalance is detected:
[0] * Trip
Select
Trip [0] to trip the frequency converter.
[1] Warning
Select
Warning [1] to issue a warning.
[2] Disabled
Select
Disabled [2] for no action.
[3] Derate
Select
Derate [3] for derating the frequency converter.
14-2* Trip Reset
Parameters for configuring auto reset handling, special trip handling and control card self test or initialization.
14-20 Reset Mode
Option: Function:
Select the reset function after tripping. Once reset, the frequency con-
verter can be restarted.
[0] * Manual reset
Select
Manual reset [0], to perform a reset via [RESET] or via the digital
inputs.
[1] Automatic reset x 1
Select
Automatic reset x 1…x20 [1]-[12] to perform between one and twen-
ty automatic resets after tripping.
[2] Automatic reset x 2
[3] Automatic reset x 3
[4] Automatic reset x 4
[5] Automatic reset x 5
[6] Automatic reset x 6
[7] Automatic reset x 7
[8] Automatic reset x 8
[9] Automatic reset x 9
[10] Automatic reset x 10
[11] Automatic reset x 15
[12] Automatic reset x 20
[13] Infinite auto reset
Select
Infinite Automatic Reset [13] for continuous resetting after tripping.
Note
The motor may start without warning. If the specified number of AUTOMATIC RESETs is reached within 10
minutes, the frequency converter enters Manual reset [0] mode. After the Manual reset is performed, the setting
of par.14-20
Reset Mode reverts to the original selection. If the number of automatic resets is not reached within
10 minutes, or when a Manual reset is performed, the internal AUTOMATIC RESET counter returns to zero.
Note
Automatic reset will also be active for resetting safe stop function.
Note
The setting in par.14-20
Reset Mode is disregarded in case of Fire Mode being active (see par. 24-0*, Fire Mode).
Parameter Description
154 TR200 Programming Guide