Trane Foundation EAC180AD Installation, Operation And Maintenance Manual Download Page 4 | Manualshive

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RT-SVX055D-EN

Table of Contents

Model Number Description

. . . . . . . . . . . . . . . 5

General Information

. . . . . . . . . . . . . . . . . . . . . 6

Unit Inspection

. . . . . . . . . . . . . . . . . . . . . . . . 6

Precautionary Measures

. . . . . . . . . . . . . . . . 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Unit Description

. . . . . . . . . . . . . . . . . . . . . . . 6

System Input Devices & Functions

. . . . . . . 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Dimensional Data

. . . . . . . . . . . . . . . . . . . . . . . . 8

. . . . . . . . . . . . . . . . . . . . . . . . . . . 13

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Unit Foundation

. . . . . . . . . . . . . . . . . . . . . . 14

General Unit Requirements

. . . . . . . . . . . . 14

Main Unit Power

. . . . . . . . . . . . . . . . . . . . . 15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Verifying Proper Air Flow (Units with Belt
Drive Indoor Fan)

. . . . . . . . . . . . . . . . . . . . . 19

Electromechanical Controls

. . . . . . . . . . . . . . . . . . . . . . . 19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Sequence of Operation

. . . . . . . . . . . . . . . . 20

Compressor Start-Up

. . . . . . . . . . . . . . . . . 20

Heating Start-Up

. . . . . . . . . . . . . . . . . . . . . 21

Final System Set Up

. . . . . . . . . . . . . . . . . . 21

. . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Fan Belt Adjustment—Belt Drive Units

Monthly Maintenance

. . . . . . . . . . . . . . . . . 23

. . . . . . . . . . . . . . . . . . . . . . . . . 24

Troubleshooting

. . . . . . . . . . . . . . . . . . . . . . . . 25

Standard Troubleshooting

. . . . . . . . . . . . . 25

Resetting Cooling and Heating Lockouts

Wiring Diagrams

. . . . . . . . . . . . . . . . . . . . . . . 26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Central Air Conditioner

. . . . . . . . . . . . . . . . 27

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Summary of Contents for Foundation EAC180AD

Page 1: ...res specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment Packaged Rooftop Air Conditioners Foundation Electric Electric 15 22 Tons 50Hz Installation Operation and...

Page 2: ...dures In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them WARNING Proper Field Wiring and Grounding Required Failure to follow code could result in death or serious injury All field wiring MUST be performed by qualified personnel Improperly installed and grounded ...

Page 3: ...ld result in equipment and property damage Introduction RT SVX055D EN 3 Overview of Manual Note One copy of this document ships inside the control panel of each unit and is customer property It must be retained by the unit s maintenance personnel This booklet describes proper installation operation and maintenance procedures for air cooled systems By carefully reviewing the information within this...

Page 4: ...uirements 14 Main Unit Power 15 Pre Start 19 Verifying Proper Air Flow Units with Belt Drive Indoor Fan 19 Electromechanical Controls Test Procedure 19 Start Up 20 Sequence of Operation 20 Compressor Start Up 20 Heating Start Up 21 Final System Set Up 21 Maintenance 22 Fan Belt Adjustment Belt Drive Units 22 Monthly Maintenance 23 Final Process 24 Troubleshooting 25 Standard Troubleshooting 25 Res...

Page 5: ... 11 Minor Design Sequence Digit 12 13 Service Sequence 00 None Digit 14 Fresh Air Selection 0 No Fresh Air A Manual Outside Air Damper 0 25 Digit 15 Supply Fan Drive Type Motor 0 Standard Motor 1 Oversized Motor Digit 16 Not Used Digit 17 Condenser Coil Protection 0 Standard Coil 4 CompleteCoat Condenser Coil Digit 18 Through The Base Provisions 0 No Through The Base Provisions Digit 19 Disconnect...

Page 6: ...y 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 respiration in these situations First Aid Measures Eye Contact Flush eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently wi...

Page 7: ...itch trip Sensors High Temperature Sensor BAYFRST003 This sensor connects to the Emergency Stop Input on the LTB and provides high limit shutdown of the unit The sensor is used to detect high temperatures due to fire in the air conditioning or ventilation ducts The sensor is designed to mountdirectly tothesheet metal duct Each kit contains two sensors The return air duct sensor X1310004001 is set ...

Page 8: ...inimum distances necessary to assure adequate serviceability cataloged unit capacity and peak operating efficiency Providing less than the recommended clearances may result in condenser coil starvation short circuiting of exhaust and economizer airflows or recirculation of hot condenser air Figure 1 Typical installation clearance for single and multiple unit applications 5 8 5 0 ...

Page 9: ...Figure 2 Cooling with optional electrical heat units overview Figure 3 Cooling with optional electrical units front side views 15 22 tons standard efficiency Dimensional Data RT SVX055D EN 9 ...

Page 10: ...Cooling with optional electrical heat units plan view 15 22 tons standard efficiency Figure 5 Foundation units back view horizontal configuration 15 22 tons standard efficiency Dimensional Data 10 RT SVX055D EN ...

Page 11: ...w duct connections field fabricated 15 22 tons standard efficiency Dimensional Data RT SVX055D EN 11 9 1 25 4 MM CURB FLANGE LONG SIDES SHORT SIDES Notes Duct flanges mount 7 7 16 down inside the curb on the 1 1 curb flanges Roofcurb is intended for downflow use only ...

Page 12: ...Figure 8 Downflow unit clearance 15 22 tons standard efficiency Figure 9 Manual damper 15 22 tons standard efficiency Dimensional Data 12 RT SVX055D EN ...

Page 13: ... in death or serious injury WARNING Improper Unit Lift Test lift unit approximately 24 inches to verify proper center of gravity lift point To avoid dropping of unit reposition lifting point if unit is not level Failure to properly lift unit could result in unit dropping and possibly crushing operator technician which could result in death or serious injury and possible equipment or property only ...

Page 14: ...ure When attaching the ductwork to the unit provide a water tight flexible connector at the unit to prevent operating sounds from transmitting through the ductwork All outdoor ductwork between the unit and the structure should be weather proofed after installation is completed Note For sound consideration cut only the holes in the roof deck for the ductwork penetrations Do not cut out the entire r...

Page 15: ...could result in condensate backup due to air lock Filter Installation Each unit ships with 2 inch filters installed The quantity of filters is determined by unit size Access to the filters is obtained by removing the filter access panel Refer to the unit Service Facts shipped with each unit for filter requirements Note Do not operate the unit without filters Field Installed Power Wiring An overall...

Page 16: ... located on the left side of the transformer and can be reset by pressing in on the black reset button Controls using 24 Vac Before installing any connecting wiring refer to Dimensional Data p 8 for the electrical access locations provided on the unit and Table 2 p 16 for AC conductor sizing guidelines NOTICE Use Copper Conductors Only Unit terminals are not designed to accept other types of condu...

Page 17: ...ARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Turn the field supplied disconnect switch that provides power to the main power terminal block or to the Line side ofth...

Page 18: ... checklist in conjunction with the general checklist General Unit Requirements p 14 to ensure that the unit is properly installed and ready for operation WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing coul...

Page 19: ...SERVICE TEST set the minimum position setpoint for the economizer to 0 using the setpoint potentiometer located on the Economizer Control ECA if applicable Electromechanical Controls Test Procedure See unit schematic for correct wire numbers Fan Test and Minimum Ventilation Connect red thermostat wire R to black thermostat wire G Cool 1 Connect red thermostat wire R to yellow thermostat wire Y1 Co...

Page 20: ...ostat cycles both the first and second stages of heat On and Off as required to maintain the zone temperature setpoint Drain Pan Condensate Overflow Switch Optional The Condensate Overflow Switch COF is utilized to prevent water overflow from the drain pan The float switch is installed on the corner lip of the drain pan When the condensate level reaches the trip point the COF relay energizes and o...

Page 21: ... an amp meter around one of 1st stage heater power wires at the heater contactor 2 Verify that the heater stage is operating properly 3 Clamp an amp meter around one of 2nd stage heater power wires at the heater contactor if applicable 4 Verify that the heater stage is operating properly 5 To stop the SERVICE TEST turn the main power disconnect switch to the Off position or proceed to the next com...

Page 22: ...l O ring at zero on the force scale of the gauge plunger 4 Place the large end of the gauge at the center of the belt span then depress the gauge plunger until the large O ring is even with the top of the next belt or even with a straightedge placed across the fan and motor sheaves Refer to Table 5 p 22 5 Remove the belt tension gauge The small O ring now indicates a number other than zero on the ...

Page 23: ...repaint these areas Generally inspect the unit for unusual conditions e g loose access panels leaking piping connections etc Make sure that all retaining screws are reinstalled in the unit access panels once these checks are complete With the unit running check and record the ambient temperature compressor suction and discharge pressures each circuit superheat each circuit Record this data on an o...

Page 24: ...r future reference you may find it helpful to record the unit data requested below in the blanks provided 1 Complete Unit Model Number _____________________________________________________ 2 Unit Serial Number _____________________________________________________ 3 Wiring Diagram Numbers from unit control panel schematic s _____________________________________________________ _____________________...

Page 25: ...as opened Check CC1 CC2 coils and Frostat status Check the status of the LED indicator in LSD a LED will be flashing to indicate that a Safety Input has opened while a Y call is present b Compressor lockout is indicated by a solid non flashing red LED To Reset LSD Power cycle on R input Simultaneous Heat and Cool Failure Emergency Stop is activated Resetting Cooling and Heating Lockouts Cooling Fa...

Page 26: ... Wiring diagrams 50Hz Type of Airflow Schematic Type Voltage Diagram Number Description Constant Volume Power 380 415 2313 2204 EA 180 270 50Hz Cooling only Electric Heat Control 208 575 2313 2207 EA 180 270 50Hz Cooling only Electric Heat Raceway Connection 208 575 2313 2239 EA 180 270 50Hz Cooling only Electric Heat Control Box Connection 380 415 1213 2786 EA 180 270 50Hz Cooling only Electric H...

Page 27: ...uipment is used for a residential application Commercial use is any application where the end purchaser uses the product for other than personal family or household purposes Models 20 Tons and Greater for Commercial Use The Company warrants for a period of 12 months from initial start up or 18 months from date of shipment whichever is less that the Company products covered by this order 1 are free...

Page 28: ...ications without notice We are committed to using environmentally conscious print practices Trane and American Standard create comfortable energy efficient indoor environments for commercial and residential applications For more information please visit trane com or americanstandardair com RT SVX055D EN 01 Apr 2020 Supersedes RT SVX055C EN Jun 2019 ...

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