Routine Maintenance
66
CLCH-SVX009J-EN
Air Filters
Throwaway Filters
To replace throwaway filters, install new filters with the
directional arrows pointing in the direction of airflow.
Note:
Bag and cartridge filters must have an airtight seal
to prevent air bypass. If using filters not supplied by
Trane, apply foam gasketing to the vertical edges of
the filter.
Coils
All coils should be kept clean to maintain maximum
performance.
Steam and Water Coils
To clean steam and water coils:
1. Disconnect all electrical power to the unit.
2. Gain access to both sides of the coil.
For DDP fans, remove the access panel.
For unit sizes 3, 6, 10 and 12, see
.
For unit sizes 8, 14, 17, 21, 25, and 30, see
.
WARNING
Rotating Components!
Failure to secure rotor or disconnect power before
servicing could result in rotating components cutting
and slashing technician which could result in death or
serious injury. The following procedure involves
working with rotating components. Disconnect all
electric power, including remote disconnects before
servicing. Follow proper lockout/ tagout procedures to
ensure the power can not be inadvertently energized.
Secure rotor to ensure rotor cannot freewheel.
WARNING
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury. Disconnect all electric
power, including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the
power can not be inadvertently energized.
WARNING
Hazardous Chemicals!
Failure to follow all safety instructions could result in
death or serious injury. Coil cleaning agents can be
either acidic or highly alkaline and can burn severely if
contact with skin occurs. Handle chemical carefully and
avoid contact with skin. ALWAYS wear Personal
Protective Equipment (PPE) including 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.
Figure 68.
Gain access to both sides of coil shown for sizes 3, 6, 10, and 12
Remo
ve all
panel
fasteners
Access panel
can now be
remo
ved