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About Trane and American Standard Heating and Air Conditioning

Trane and American Standard create comfortable, energy efficient indoor environments for residential applications.

For more information, please visit www.trane.com or www.americanstandardair.com

The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We 

are committed to using environmentally conscious print practices.

© 2022

18-AD40D1-1B-EN    24 Jan 2022  
Supersedes   18-AD40D1-1A-EN  (December 2020)

Summary of Contents for 4PXFH001BC3HHA

Page 1: ...checked against selected installation site By noting in advance proper clearance allowances for installation and possible future service of the coil ALL phases of this installation must comply with NATIONAL STATE AND LOCAL CODES IMPORTANT This Document is customer property and is to remain with this unit Please return to service information pack upon completion of work 18 AD40D1 1B EN WARNING This...

Page 2: ... B A 5 00 6 50 0 75 FLANGES TYP 6 81 1 75 SUCTION TUBE SEE TABLE FOR SIZES 3 8 LIQUID LINE D OPENING C E 3 00 MAX TRANE MODEL A B C D E SUCTION SIZE 4PXFH003BZ3HHA 10 23 50 21 30 35 50 3 4 4PXFH001BC3HHA 10 23 50 21 24 29 50 3 4 4PXFH005BZ3HHA 10 23 50 21 30 35 50 3 4 4PXFH004BC3HHA 10 23 50 21 30 35 50 7 8 4PXFH007BC3HHA 10 23 50 21 30 35 50 7 8 4PXFH009BZ3HHA 10 29 50 27 34 41 50 7 8 ISOMETRIC V...

Page 3: ...e coil or drainpan Areas to be avoided include the back bottom front top center and lower 3 of the left and right sides of the coil cabinet 6 The indoor coil must be evacuated through the refrigerant lines at the outdoor unit before opening the service valves See evacuation procedure in Field Fabricated Refrigerant Lines section of the Installer s Guide for the outdoor unit 7 Complete the installa...

Page 4: ... assembly The female threaded fitting protrudes outside of the enclosure for external connection A field fabricated trap is not required for proper drainage due to the positive pressure of the furnace however it is recommended to prevent efficiency loss of conditioned air 1 The drain hole in the drain pan must be cleared of all insulation 2 Insulate the primary drain line to prevent sweating where...

Page 5: ...oth section of suction vapor line using the metal clamp provided In order to obtain a good temperature reading and correct superheat control the TXV sensing bulb must conform to the following criteria 1 The sensing bulb must be in direct and continuous contact with the suction line 2 The sensing bulb should be mounted horizontally on the suction line 3 The sensing bulb should be mounted at the 2 o...

Page 6: ...perature more than 85F NO Is sub cooling less than 8F YES Confirm that charge is correct and look for dirty or restricted outdoor coil Confirm that charge is correct NO Before starting insure the blower wheel indoor and outdoor coils are clean Is the liquid line temperature at indoor coil within 8F of outdoor liquid line temperature YES Verify line set is sized properly for application NO The syst...

Page 7: ...18 AD40D1 1B EN 7 Installer s Guide Wrap TXV with wet cloth before brazing Direct torch away from wrapped valve ...

Page 8: ...lications For more information please visit www trane com or www americanstandardair com The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice We are committed to using environmentally conscious print practices 2022 18 AD40D1 1B EN 24 Jan 2022 Supersedes 18 AD40D1 1A EN December 2020 ...

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