Trane Air Handler TWE090A100E

WARNING! Hazardous Voltage w/Capacitors! Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury.

Disconnect all electric power, including remote disconnects and discharge all motor start/run capacitors before servicing. Follow proper lockout/tagout procedures 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 a CAT III or IV voltmeter rated per NFPA 70E that all capacitors have discharged.

NOTE! Operating Under Vacuum! Failure to follow these instructions will result in compressor failure. Do not operate or apply power to the compressor while under a vacuum.

WARNING! Fiberglass Wool! Exposure to glass wool fibers without all necessary PPE equipment could result in cancer, respiratory, skin or eye irritation, which could result in death or serious injury. Disturbing the insulation in this product during installation, maintenance or repair will expose you to airborne particles of glass wool fibers and ceramic fibers known to the state of California to cause cancer through inhalation.

You MUST wear all necessary Personal Protective Equipment (PPE) including gloves, eye protection, a NIOSH approved dust/mist respirator, long sleeves and pants when working with products containing fiberglass wool.

Precautionary Measures are: Avoid breathing fiberglass dust, Use a NIOSH approved dust/mist respirator, Avoid contact with the skin or eyes. Wear long-sleeved, loose-fitting clothing, gloves, and eye protection, Wash clothes separately from other clothing, rinse washer thoroughly.

Operations such as sawing, blowing, tear-out, and spraying may generate fiber concentrations requiring additional respiratory protection. Use the appropriate NIOSH approved respirator.

First Aid Measures are: Eye Contact - Flush eyes with water to remove dust. If symptoms persist, seek medical attention. Skin Contact - Wash affected areas gently with soap and warm water after handling.

WARNING! Fiberglass Wool! Exposure to glass wool fibers without all necessary PPE equipment could result in cancer, respiratory, skin or eye irritation, which could result in death or serious injury.

You MUST wear all necessary Personal Protective Equipment (PPE) including gloves, eye protection, a NIOSH approved dust/mist respirator, long sleeves and pants when working with products containing fiberglass wool.

Precautionary Measures are: Avoid breathing fiberglass dust, Use a NIOSH approved dust/mist respirator, Avoid contact with the skin or eyes. Wear long-sleeved, loose-fitting clothing, gloves, and eye protection, Wash clothes separately from other clothing, rinse washer thoroughly.

First Aid Measures are: Eye Contact - Flush eyes with water to remove dust. If symptoms persist, seek medical attention. Skin Contact - Wash affected areas gently with soap and warm water after handling.

Air handlers are shipped with throwaway filters installed. Confirm if this is the case.

Note: 2'' Merv 13 filters are available for field install option only.

To replace filters from the end of the unit, remove lower access panel (either end) and slide old filters out and replace with new ones. Confirm if this is done.

To replace from the front of the unit, remove one “L” shaped angle. Remove and replace filters and reinstall “L” shaped angle. Confirm if this is done.

To convert from 1” filter to a 2” filter on units so equipped, remove lower access panels from both ends of the air handler. Remove screws and rotate the “L” shaped angles from both the top and bottom of the filter track 180° to increase the width of the filter opening. Confirm if this is done.

WARNING! Rotating Components! Failure to disconnect power before servicing could result in rotating components cutting and slashing technician which 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

The fan belts must be inspected periodically to assure proper unit operation. Replacement is necessary if the belts appear frayed or worn

When removing or installing the new belts, do not stretch them over the sheaves. Loosen the belts using the belt tension adjustment bolts on the motor mounting base

Once the new belts are installed, using a Browning or Gates tension gauge (or equivalent), adjust the belt tension as follows

Measure the center-to-center shaft distance (in inches) between the fan and motor sheaves

Divide the distance measured in Step 1a by 64, the resulting value represents the amount of belt deflection that corresponds to the proper belt tension

Set the large O-ring on the belt tension gauge at the deflection value

Set the small O-ring at zero on the force scale of the gauge plunger

WARNING! Hazardous Voltage w/Capacitors! Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury.

Disconnect all electric power, including remote disconnects and discharge all motor start/run capacitors before servicing. Follow proper lockout/tagout procedures 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 a CAT III or IV voltmeter rated per NFPA 70E that all capacitors have discharged.

NOTE! Operating Under Vacuum! Failure to follow these instructions will result in compressor failure. Do not operate or apply power to the compressor while under a vacuum.

WARNING! Fiberglass Wool! Exposure to glass wool fibers without all necessary PPE equipment could result in cancer, respiratory, skin or eye irritation, which could result in death or serious injury. Disturbing the insulation in this product during installation, maintenance or repair will expose you to airborne particles of glass wool fibers and ceramic fibers known to the state of California to cause cancer through inhalation.

You MUST wear all necessary Personal Protective Equipment (PPE) including gloves, eye protection, a NIOSH approved dust/mist respirator, long sleeves and pants when working with products containing fiberglass wool.

Precautionary Measures are: Avoid breathing fiberglass dust, Use a NIOSH approved dust/mist respirator, Avoid contact with the skin or eyes. Wear long-sleeved, loose-fitting clothing, gloves, and eye protection, Wash clothes separately from other clothing, rinse washer thoroughly.

Operations such as sawing, blowing, tear-out, and spraying may generate fiber concentrations requiring additional respiratory protection. Use the appropriate NIOSH approved respirator.

First Aid Measures are: Eye Contact - Flush eyes with water to remove dust. If symptoms persist, seek medical attention. Skin Contact - Wash affected areas gently with soap and warm water after handling.

Regular coil maintenance, including annual cleaning-enhances the unit's operating efficiency by minimizing

Minimize the following during maintenance

At least once each year — or more often if the unit is located in a “dirty” environment — clean the coil using the instructions outlined below

Be sure to follow these instructions as closely as possible to avoid damaging the coils;