Maintenance; Maintenance Checklist; Service Access; Air Filters - Trane VUV Installation, Operation And Maintenance Manual

Maintenance

WARNING
Hazardous Service Procedures!
Failure to follow all precautions in this manual and on
the tags, stickers, and labels could result in death or
serious injury. Technicians, in order to protect
themselves from potential electrical, mechanical, and
chemical hazards, MUST follow precautions in this
manual and on the tags, stickers, and labels, as well as
the following instructions: Unless specified otherwise,
disconnect all electrical power including remote
disconnect and discharge all energy storing devices
such as capacitors before servicing. Follow proper
lockout/tagout procedures to ensure the power can not
be inadvertently energized. When necessary to work
with live electrical components, have a qualified
licensed electrician or other individual who has been
trained in handling live electrical components perform
these tasks.

Maintenance Checklist

Frequency Maintenance
Every week
Observe unit weekly for any change in running condition and unusual noise.
Every month
• Clean or replace air filters if clogged or dirty.
• Manually rotate the fan wheel to check for obstructions in the housing or interference with fan blades. Remove any obstructions and debris.
• Check motor bracket torque.
Every three to
• Inspect and clean drain pan.
six months
• Inspect coils for dirt build-up. Clean fins if airflow is clogged.
• Inspect and clean insulation.
• Inspect the unit casing for chips corrosion. If damage is found, clean and repaint.
• Clean the fan wheels. Remove any rust from the shaft with an emery cloth and recoat with L.P.S. 3 or equivalent.
• Inspect and clean drain pans.
• Inspect and clean coils.
Every year
• Check damper linkages, fan set screws, and blade adjustment. Clean, but do not lubricate, the nylon damper rod bushings.
• Clean damper operators.
• Inspect, clean, and tighten all electrical connections and wiring.
• Rotate the fan wheel and check for obstructions. The wheel should not rub. Adjust the center if necessary.
• Examine flex connections for cracks or leaks. Repair or replace damaged material.

Service Access

To access the unit for water balancing, motor access or other
start-up and maintenance functions, use one of the following
methods:
• Remove the end pocket front panel.
• Remove the return air grille by releasing the mounting
screws.
• If there is no shelving or other obstructions, removing the
end panel may allow more access.
90
WARNING
Rotating Components!
Failure to follow instructions below 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. Secure drive
sheaves to ensure rotor cannot freewheel.
The following maintenance procedures apply to all types of unit
ventilators - chilled water, hot water, split systems, and electric.
Split system unit ventilators include a condensing unit. The
instructions provided with the condensing unit apply to the
entire refrigerant system.
Additional information for controls provided from supplier other
than Trane should be obtained from the controls manufacturer.

Air Filters

WARNING
Rotating Components!
Failure to follow instructions below 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. Secure drive
sheaves to ensure rotor cannot freewheel.
Always install filters with directional arrows pointing toward the
fan. Filters supplied with unit ventilators are specially designed
for high lint content. Depending on room conditions, they will
need to be replaced every four to eight weeks. Overloaded
filters will reduce air handling capacity, which may result in
insufficient heating during the morning warm-up period and
loss of natural cooling capacity during mild weather.
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