SCXG-SVX01B-EN 101
Coil Fin Cleaning
Keep coils clean to maintain maximum
performance. For operation at its highest
efficiency, clean the refrigerant coil often
during periods of high cooling demand or
when dirty conditions prevail. Clean the
coil a minimum of once per year to
prevent dirt buildup in the coil fins, where
it may not be visible.
Remove large debris from the coils and
straighten fins before cleaning. Remove
filters before cleaning.
Clean refrigerant coils with cold water
and detergent, or with one of the com-
mercially available chemical coil clean-
ers. Rinse coils thoroughly after cleaning.
Economizer and evaporator coils are
installed so the evaporator is directly
behind the economizer. To clean between
the coils, remove the sheet metal block
off. Access the block off by removing the
corner panels on the unit’s left or right
rear side.
NOTICE
Proper Coil Cleaning Agent!
Do not clean the refrigerant coil with hot
water or steam. The use of hot water or
steam as a refrigerant coil-cleaner agent
may cause high pressure inside the coil
tubing and subsequent damage to the
coil.
Do not use acidic chemical coil cleaners.
Also, do not use alkaline chemical coil
cleaners with a pH value greater then
8.5 (after mixing) without using an
aluminum corrosion inhibitor in the
cleaning solution. Use of the chemical
may result in equipment damage.
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WARNING
Hazardous Chemicals!
Coil cleaning agents can be either acidic
or highly alkaline. Handle chemical
carefully. Proper handling should include
goggles or face shield, chemical resistant
gloves, boots, apron or suit as required.
For personal safety refer to the cleaning
agent manufacturer’s Materials Safety
Data Sheet and follow all recommended
safe handling practices. Failure to follow
all safety instructions could result in
death or serious injury.
If the refrigerant coil is installed back to
back with the waterside economizer coil,
use a cleaner that is acceptable for
cleaning both types of coils.
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ƽWARNING
Hazardous Voltage w/Capaci-
tors!
Disconnect all electric power, including
remote disconnects before servicing.
Follow proper lockout/tagout proce-
dures to ensure the power cannot be
inadvertently energized. For variable
frequency drives or other energy storing
components provided by Trane or others,
refer to the appropriate manufacturer’s
literature for allowable waiting periods
for discharge of capacitors. Verify with an
appropriate voltmeter that all capacitors
have discharged. Failure to disconnect
power and discharge capacitors before
servicing could result in death or serious
injury.
Note: For additional information regard-
ing the safe discharge of capacitors, see
PROD-SVB06A-EN or PROD-SVB06A-FR.
Inlet Guide Vanes
Perform the following procedure every
six months for proper inlet guide vane
operation:
1. Spray all parts of guide vane assembly
with WD40.
2. Spray all steel parts of guide vane
assembly with ZRC.
3. Spray hubs and moving parts with dry
silicone lubricant (Mobil Mobilux 2, Shell
alvonia 2, or equivalent).
On occasion, the inlet guide vane actuator
or inlet guide vanes may need to be
removed. For proper adjustment of inlet
guide vanes and/or actuator.
Note: Perform this procedure monthly if the
unit is in a coastal area or corrosive
environment.
Maintenance
maintenance
procedures
