BAS-SVN032B-EN
15
NNootteess::
• Pressing the “MENU” button once will enter the drive parameter wizard. The
parameter wizard does not access all the required parameters.
• To access ALL parameters, press the “MENU” button twice.
• The parameters are set by different levels. Click OK to access Level 1 and Level 2.
• The default setting for Parameter 5-12 is Coast inverse which will cause a drive error
on Products that do not need that function. Verify Parameter 5-12 is set per Table 7, p.
16, Table 8, p. 17 and Table 9, p. 18 for the given Product you are installing the drive
into (parameter 5-12 will be set to either Coast Inverse or No Function depending on
your Product). Products that utilize the Coast inverse function will have a control wire
going to terminal 27 on the drive.
Perform the following steps to modify each parameter:
1. On the first power up of the drive, a parameter wizard may appear. Press the BBaacckk button to
leave the wizard screen.
2. Press the MMaaiinn MMeennuu button.
(Press the BBaacckk button if the main menu does not display.)
3. Use the UUpp and DDoowwnn buttons to find the parameter menu group (first part of parameter
number).
4. Press OOKK.
5. Use the UUpp and DDoowwnn buttons to select the correct parameter sub-group, indicated by the
first digit of the second part of the parameter number.
6. Press OOKK.
7. Use the UUpp and DDoowwnn buttons to select the specific parameter.
8. Press OOKK.
9. Use the navigation buttons to move to a different digit within a parameter setting.
The highlighted area indicates the digit selected for modification.
10. Use the UUpp and DDoowwnn buttons to adjust the digit.
11. Press CCaanncceell to disregard the change, or press OOKK to accept the change and enter the new
setting.
12. Repeat steps 1 through 11 for each menu selection setting in the parameters table.
13. After verifying that the VFD(s) are operating properly, press the STOP key at the Human
Interface Module to stop the unit operation.
14. Follow the applicable steps in the "Final Unit Checkout" section in the unit Installation,
Operation, Maintenance Manual (IOM) to return the unit to its normal operating mode.
NNoottee:: If a problem with a VFD occurs, ensure that the programmed parameters listed for
condenser fan VFD (see the Table 7, p. 16, Table 8, p. 17 and Table 9, p. 18) have been set
before replacing the drive.
TR170 VFD Program Parameters
Drives are shipped with generic settings. These settings must be updated to reflect the drive
application. The following table defines the parameters that must be modified for the Trane
TR170 drives used in condenser fan applications on RTAC products.
IImmppoorrttaanntt:: Pressing the “MENU” button once will enter the drive parameter wizard. DO NOT use
the parameter wizard. The parameter wizard does not access all the required
parameters and may cause drive errors. Pressing the "MENU" button twice will allow
access to all parameters. ALWAYS use this method.
IInnssttaalllliinngg TTRR117700 VVFFDD aanndd CCoommppoonneennttss
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