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August 2001

CLCH-SVX01B-EN

Installation 
Operation 
Maintenance

Energy Wheels

for T-Series Climate Changer™ 
Air Handlers

Содержание Energy Wheels

Страница 1: ...August 2001 CLCH SVX01B EN Installation Operation Maintenance Energy Wheels for T Series Climate Changer Air Handlers ...

Страница 2: ... 2001 American Standard Inc All rights reserved ...

Страница 3: ...CLCH SVX01B EN 3 General Information 4 Installation 8 Wiring 13 Operation 14 Routine Maintenance 16 Service and Repair 21 Troubleshooting 25 Contents ...

Страница 4: ...nor or moderate injury or equipment damage Unit Description The T Series Climate Changer TSC energy wheel section is an efficient low maintenance energy recovery device It is an integral part of an entire air handling system The section consists of the energy wheel cassette assembly dampers and an outside air hood A single large access door is provided on one side of the section for service access...

Страница 5: ...nings of the section are protected by Amowrap reinforced plastic covering The Amowrap covering is held on to the section with a wood frame and sheet metal screws Leave the Amowrap covering attached to the section until it is ready to install to prevent debris from entering the section Hardware Kit A hardware kit ships inside the T Series air handler This kit contains gasketing roof joint connectio...

Страница 6: ...wheel may have different voltage and phase requirements than the exhaust fan A starter for the energy wheel may be provided It is located in the exhaust fan control panel If the unit is not ordered with controls or end devices it is the installer s responsibility to provide and install them Receiving Inspection Upon receipt of the section inspect it for damage that may have occurred during shipmen...

Страница 7: ...damage resulting from rust and corrosion If needed cover with a canvas tarp The Trane Company warranty does not cover equipment damage due to negligence during storage Service Clearance Recommendations A minimum clearance of 48 inches on the access door side of the energy wheel section is recommended for routine maintenance Clearance equal to the cabinet width is recommended on one side to permit ...

Страница 8: ...top Lift only from lifting lugs located at the bottom of the unit Failure to do so may cause product or property damage Section Weights and Dimensions Refer to Figure 2 Figure 3 Table 1 and Table 2 for section dimen sions and weights Figure 2 Dimensional data plan view ...

Страница 9: ...CLCH SVX01B EN 9 Figure 3 Dimensional data side elevation ...

Страница 10: ...14 13 3484 Table 2 Energy wheel section dimensions inches and weights partial outside air1 1 Section dimensions and weights subject to change without notice Refer to Trane submittals for current dimensions and weights Unit Size Section Dimensions Outside Air Hood Return Air Weight lb W H L S Y Z T R A B 8 54 38 75 79 00 21 50 19 67 12 50 17 00 11 5 13 88 34 63 686 10 66 41 75 83 50 34 50 19 67 15 ...

Страница 11: ...o could damage the equipment Assembly Refer to the design engineer s plans and submittals and the factory sales order for location of the energy wheel section in the air handler The energy wheel section will arrive at the job site as an individual section of the air handler Each individual section must be hoisted set on the roof curb or pier mount and assembled The outside air hoods must also be m...

Страница 12: ...aq dampers Traq dampers are optional dampers that measure the outside air CFM The torque values specified are for each side Table 5 Traq damper torque requirements lb in per side Unit Size 8 10 12 14 17 21 25 30 35 40 50 66 80 100 Torque 12 24 24 24 24 24 24 24 28 28 28 30 30 56 ...

Страница 13: ...age and terminal block CAUTION Do not install a variable frequency drive VFD to control the energy wheel speed This may result in failure of the energy wheel motor Optional Air Bypass Damper Actuators If actuators are factory provided no field wiring is required Field Provided Damper Actuators If bypass damper actuators are field provided it will be necessary to remove two or three segments from t...

Страница 14: ...the rotating wheel can cause physical injury Energy Wheel Start Up 1 Turn the energy wheel clockwise as viewed from the pulley side by hand to verify that the wheel turns freely through a full rotation 2 Confirm that all wheel segments are fully engaged in the wheel frame and that the segment retainers are completely fastened see Figure 4 3 With hands and objects away from moving parts activate th...

Страница 15: ...ructions in the Service and Repair section on page 21 Figure 4 Segment retainers Figure 5 Belt tracking Damper Actuators if so equipped Stroke the actuators to observe full open and full closure of the dampers Adjust the actuator and or linkage to prevent over stroking so that excessive pressure is not placed on the damper at the full open or full closed position ...

Страница 16: ...separate polymer strips for better cleaning action 4 Rinse the dirty solution from the segments and remove the excess water before re installing the segments in the wheel Note that some permanent staining of the desiccant may remain but is not harmful to performance Cleaning Frequency In reasonably clean office or school buildings cleaning with a coil cleaner solution may not be required for sever...

Страница 17: ...ailure to disconnect all electrical power before servicing could result in death or serious injury Wheel segments are secured to the wheel frame by a segment retainer that pivots on the wheel rim and is held in place by a segment retaining catch 1 Disconnect all electrical power 2 Unlock the two segment retainers one on each side of the selected segment opening see Figure 6 3 Remove the segment fr...

Страница 18: ...Disconnect all electrical and remote disconnects before servicing Do not open the service access doors while the unit is operating Failure to disconnect all electrical power before servicing could result in death or serious injury 1 Disconnect all electrical power 2 Unlock the two segment retainers one for each side of the selected segment opening ...

Страница 19: ...ext segment Cleaning the Energy Wheel Motor Disconnect all electrical power then use a vacuum cleaner and brush to remove accumulated material from the energy wheel motor The use of spray aerosol cleaners is not recommended Examine the motor monthly for debris accumulation Cleaning the Section WARNING HAZARDOUS VOLTAGE Disconnect all electrical and remote disconnects before servicing Do not open t...

Страница 20: ...otor and wheel support shaft bearings are permanently lubricated and no further lubrication is necessary Energy Wheel Drive Belt Adjustment The drive belt is a urethane stretch belt designed to provide constant tension throughout the life of the belt No periodic adjustment is required Inspect the belt annually for proper tracking and tension A properly tensioned belt will turn the wheel immedi ate...

Страница 21: ...y side bearing access plate You may need to remove the wheel segments 3 Remove the two bearing access plate retaining screws and the access plate 4 Using a hexagonal wrench loosen the set screw in the bearing locking collar 5 Using a light hammer and a drift placed in the drift pin hole in collar tap the collar in the opposite direction of wheel rotation to unlock the collar 6 Remove the collar 7 ...

Страница 22: ...wheel Figure 8 Bearing and belt replacement 11 Form a small loop of the belt and pass it through the hole in the bearing support beam 12 Grasp the belt at the wheel hub and pull the entire belt down 13 Loop the trailing end of the belt over the shaft Figure 8 shows the belt partially through the opening 14 Re install the bearing onto the wheel shaft being careful to engage the two locating pins in...

Страница 23: ... by tapping the drift pin hole with a hammer and drift 23 Secure the collar in position by tightening the set screw 24 Re install the bearing access cover 25 Apply power to the wheel and ensure that the wheel rotates freely without interference Figure 9 Wheel rotation Seal Adjustment 1 Loosen the diameter seal adjustment screws and back the seals away from the wheel surface see Figure 9 2 Rotate t...

Страница 24: ...ical power before servicing could result in death or serious injury 1 Disconnect all electrical power 2 Remove the belt from the pulley and position it temporarily around the wheel rim 3 Measure and record the distance from the inner edge of the pulley to the mounting wall 4 Loosen the set screw in the wheel drive pulley using an allen wrench and remove the pulley from the motor drive shaft 5 Whil...

Страница 25: ...ical and remote disconnects before servicing Secure drive sheaves to ensure rotor cannot freewheel Failure to disconnect all electrical power before servicing could result in death or serious injury WARNING Disconnect the electrical power source and allow all rotating equipment to stop completely before inspecting or servicing the unit Failure to do so may result in personal injury or death from e...

Страница 26: ... or replace the frame During winter operation excessive frost ice forms in the heat transfer media Disconnect the power to the wheel motor adjust the outside air dampers shut and let the wheel thaw After the initial section thaws rotate the wheel 90 by hand until a new section rotates into the warm exhaust air stream Continue this procedure until the wheel is completely thawed Drive belt is broken...

Страница 27: ......

Страница 28: ...us at comfort trane com Since The Trane Company has a policy of continuous product and product data improvement it reserves the right to change design and specifications without notice Literature Order Number CLCH SVX01B EN File Number PL AH CLCH SVX01B EN 0801 Supersedes CLCH SVX01A EN December 2000 Stocking Location La Crosse ...

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