Trane TR150 Programming Manual page 89

Parameters
5. Change speed to approximately 50% of the rated
speed. Note the exact speed.
6. Read power consumption either by looking for
actual power in the data line in the LCP or call
parameter 16-10 Power [kW] in the Main Menu.
3 3
Note the power readout.
7. Program the speeds used in parameter 22-33 Low
Speed [Hz] and parameter 22-37 High Speed [Hz].
8. Program the associated power values in
parameter 22-34 Low Speed Power [kW] and
parameter 22-38 High Speed Power [kW].
9. Switch back pressing [Auto On] or [Off].
NOTICE
Set parameter 1-03 Torque Characteristics before tuning
takes place.
22-30 No-Flow Power
Range:
0 kW [0 - 1000 kW] Readout of calculated no-flow power at
*
22-31 Power Correction Factor
Range:
100 % [1 - 400 %] Set a correction if no-flow detection reacts
*
22-33 Low Speed [Hz]
Range:
0 Hz [ 0 - 400 Hz] Set output speed used for registration of
*
22-34 Low Speed Power [kW]
Range:
0 kW [ 0 - 5.50 kW]
*
22-37 High Speed [Hz]
Range:
0 Hz [ 0 - 400 Hz] Set output speed used for registration of
*
22-38 High Speed Power [kW]
Range:
0 kW [ 0 - 5.50 kW]
*
3.15.4 22-4* Sleep Mode
Sleep mode allows the frequency converter to stop itself in
situations where the system is in balance. This function
saves energy and prevents excessive pressure, water
excessively cooled in cooling towers, and building pressuri-
zation problems in the system. This is also important as
88
TR150 and TR170
Function:
actual speed.
Function:
on a too low or too high power value.
Function:
no-flow power at low speed.
Function:
Set no-flow power at low speed.
Function:
no-flow power at high speed.
Function:
Set no-flow power at high speed.
02/2017 All rights reserved.
some applications prevent the frequency converter from
adjusting motor down to low speed. This might damage
pumps, cause insufficient lubrication in gearboxes, and
make fans unstable.
The sleep controller has 2 important functions:
1. The ability to go to sleep at right time.
2. The ability to come out of a sleep mode at right
time.
The goal is to keep the frequency converter in sleep mode
as long as possible to avoid cycling the motor on and off
frequently, and also keep the controlled system variable
within the acceptable range.
The sequence when running sleep mode in open loop:
1. The motor speed is less than the speed set in
parameter 22-47 Sleep Speed [Hz]. The motor runs
longer than the time duration set in
parameter 22-40 Minimum Run Time. The sleep
condition lasts longer than the time set in
parameter 22-48 Sleep Delay Time.
2. The frequency converter ramps the motor speed
down to parameter 1-82 Min Speed for Function at
Stop [Hz].
3. The frequency converter activates
parameter 1-80 Function at Stop. The frequency
converter is now in sleep mode.
4. The frequency converter compares the speed
setpoint with parameter 22-43 Wake-Up Speed [Hz]
to detect a wake-up situation.
5. The speed setpoint is greater than
parameter 22-43 Wake-Up Speed [Hz]. The sleep
condition has lasted longer than the time set in
parameter 22-41 Minimum Sleep Time. The wake-
up condition lasts longer than the time set in
parameter 22-49 Wake-Up Delay Time. The
frequency converter is now out of sleep mode.
6. Go back to speed open-loop control (ramp motor
speed up to the speed setpoint).
The sequence when running sleep mode in closed loop:
1. The frequency converter goes into boost status if
the following conditions are met.
1a If parameter 22-02 Sleepmode CL Control
Mode is set to [0] Normal:
a. The motor speed is less than
the value in
parameter 22-47 Sleep Speed
[Hz].
b. The feedback is above the
reference.
BAS-SVP16B-EN