Vfd Programming Parameters; (Supply) - Trane Voyager Commercial Installation, Operation And Maintenance Manual

Figure 101. Precision suction restrictor
Table 71. Compressor restrictor location
Efficien-
cy
Model
TC/TE/YC*275 &
Standard
330
TC/TE/YC*350 &
Standard
420
TC/TE/YC*500 & Standard
600 VAV
TC/TE/YC*275 &
High
330
TC/TE/YC*305 &
High
360
TC/TE/YC*500 & High & Std
600 CV
Figure 102. Compressors
27.5, 30, 35 Tons Std Eff.
50 Tons Std Eff. VAV Only

VFD Programming Parameters

(Supply)

Units shipped with an optional variable frequency drive
(VFD) are preset and run tested at the factory. If a
problem with a VFD occurs, ensure that the
programmed parameters listed in
been set before replacing the drive.
V V e e r r i i f f y y P P a a r r a a m m e e t t e e r r s s
Verify parameter 1-23 is set to 60 Hz (or 50 Hz where
RT-SVX34R-EN
Restrictor Location
CPR 1 CPR2 CPR 3
X
X
X
X
X
X
40 Tons Std Eff. VAV Only
27.5-50 Tons High Eff. & 40-50 Tons
Std Eff. CV
Table 72, p. 127 have
applicable) and that parameter 0-06 is set to the correct
supply voltage/frequency range.
1. To check parameter 1-23 press the Main Menu
button twice (if TR150 drive) (press the Back button
if the main menu does not display)
2. Scroll down to Load & Motor, press OK
3. Select 1-2, press OK
4. Press down until parameter 1-23 is displayed.
Parameter 1-23 can then be modified by pressing
OK and pressing the Up and Down buttons.
5. When the desired selection has been made, press
OK .
Should replacing the VFD become necessary, the
replacement is not configured with all of Trane's
operating parameters. The VFD must be programmed
before attempting to operate the unit.
To verify and/or program a VFD, use the following
steps:
1. To modify parameters:
a. Press Main Menu twice (if TR150 drive) (press
Back if the main menu does not display)
b. Use the Up and Down buttons to find the
parameter menu group (first part of parameter
number)
c. Press OK
d. Use the Up and Down buttons to select the
correct parameter sub-group (first digit of
second part of parameter number)
e. Press OK
f. Use the Up and Down buttons to select the
specific parameter
g. Press OK
h. To move to a different digit within a parameter
setting, use the Left and Right buttons
(Highlighted area indicates digit selected for
change)
i. Use the Up and Down buttons to adjust the digit
j. Press Cancel to disregard change, or press OK
to accept change and enter the new setting
2. Repeat previous step for each menu selection
setting in Table 72, p.
3. To reset all programming parameters back to
default:
a. Go to parameter 14-22 Operation Mode
b. Press OK
c. Select Initialization
d. Press OK
e. Cut off the mains supply and wait until the
display turns off.
f. Reconnect the mains supply - the frequency
converter is now reset.
M M a a i i n n t t e e n n a a n n c c e e
127.
125