Monthly Maintenance - Trane IntelliPak Installation, Operation And Maintenance Manual

Maintenance
d. Use [  ] and [  ] buttons to select the correct
parameter sub-group (first digit of second part of
parameter number)
e. Press [OK]
f. Use [  ] and [  ] buttons to select the specific
parameter
g. Press [OK]
h. To move to a different digit within a parameter
setting, use the [<] and [>] buttons (Highlighted area
indicates digit selected for change)
i. Use [  ] and [  ] buttons to adjust the digit
j. Press [Cancel] button to disregard change, or press
[OK] to accept change and enter the new setting
4. Repeat step (3) for each menu selection setting in
Table 78.
5. To reset programming parameters back to the factory
defaults:
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.
g. Ensure parameter 14-22 Operation Mode has
reverted back to "Normal Operation" .
Notes:
• Item 5 resets the drive to the default factory settings.
The program parameters listed in
be verified or changed as described in Item 3 and 4.
• Some of the parameters listed in theTable are motor
specific. Due to various motors and efficiencies
available, use only the values stamped on the specific
motor nameplate. Do not use the Unit nameplate
values.
• A backup copy of the current setup may be saved to the
LCP before changing parameters or resetting the drive
using parameter 0-50 LCP Copy (All to LCP to save all
parameters to keypad and All from LCP to download all
parameters into drive/replacement drive). See LCP
Copy in the VFD Operating Instructions for details.
6. Follow the start-up procedures for supply fan in the
"Variable Air Volume System" section or the "Exhaust/
return Airflow Measurement" start-up procedures for
the exhaust/return fan.
7. After verifying that the VFD(s) are operating properly,
press the STOP key at the Human Interface Module to
stop the unit operation.
8. Follow the applicable steps in the "Final Unit
Checkout" section to return the unit to its normal
operating mode.
178
Table 78 will need to

Monthly Maintenance

Before completing the following checks, turn the unit OFF
and lock the main power disconnect switch open.
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized. Failure to disconnect power
before servicing could result in death or serious injury.
Filters
• Inspect the return air and final filters. Clean or replace
them if necessary. Refer to the
information.
Cooling Season
• Check the unit's drain pans and condensate piping to
ensure that there are no blockages.
• Inspect the evaporator and condenser coils for dirt,
bent fins, etc. If the coils appear dirty, clean them
according to the instructions described in "Coil
Cleaning" later in this section.
• Manually rotate the condenser fans to ensure free
movement and check motor bearings for wear. Verify
that all of the fan mounting hardware is tight.
• Inspect the F/A-R/A damper hinges and pins to ensure
that all moving parts are securely mounted. Keep the
blades clean as necessary.
• Verify that all damper linkages move freely; lubricate
with white grease, if necessary.
• Check supply fan motor bearings; repair or replace the
motor as necessary. If the unit model number indicates
that the motor has an internal shaft ground, replace
with the same motor type.
• For FC fans only, check the fan shaft bearings for wear.
Replace the bearings as necessary.
• For FC fans only, lubricate the supply fan shaft bearings
with a lithium based grease. Refer to
for recommended greases.
Note: The bearings are manufactured using a special
synthetic lithium based grease designed for long
life and minimum lube intervals. Over lubrication
can be just as harmful as not enough.
• For FC fans only, use a hand grease gun to lubricate
these bearings; add grease until a light bead appears
all around the seal. Do not over lubricate!
• For FC fans only, after greasing the bearings, check the
setscrews to ensure that the shaft is held securely to
the bearings and fan wheels. Make sure that all bearing
supports are tight.
• For FC fans only, check the supply fan belt(s). If the belts
are frayed or worn, replace them. Refer to the "Fan Belt
Table 70, p. 170 for filter
Table 72, p. 170
RT-SVX36K-EN