Support Documents

Trans/Air’s desire is to make this website as useful as possible for any type of customer.  If for any reason you are unable to find the document you require, please feel free to contact us for personalized assistance.

Note:  Electrical and Piping Diagrams published here are listed by Trans/Air drawing number (part number).  This listing, which includes Trans/Air's most widely purchased wiring and piping schematics is, by no means, intended to be all-inclusive.  Prior to using any of these drawings, make certain it is the correct revision for your application.  Please contact Trans/Air directly if you do not know which drawing number (part number) or revision you need or if you require technical assistance. 

System Selection

System Selection Considerations   BTU Ratings Information Bulletin   General Pre-Order Check List

Installation

Burgaflex (TA Clip-Lok) Fitting Systems: Parts Identification and Assembly Instructions   Evacuation Instructions (INS-940 Revision A 4-1-09)   Leak Test Instructions (INS-950 Revision A 4-1-09)   Charging Instructions (INS-960 Revision A 4-1-09)   Charging Chart (501264 Rev AH)   Pre-Delivery Air Conditioning Inspection Form   Installation Instructions (IN-901 Revision D 4-13-09)

Installation Other

Beadlock Fitting Systems: Hose Crimping Guidelines   Aeroquip (E-Z Clip) Fitting Systems: Assembly Instructions

Manuals

Owners Manual   Operation Manual - ECII Electrical Controls   Operation Manual - EC2.0 Electrical Controls   Operation Manual - EC2.5 Electrical Controls   Operation Manual - EC3.0 Electrical Controls   Operation Manual - EC4.0 Electrical Controls   Service Manual - Basic II Electrical Controls   Service Manual - EC2.0 & EC2.5 Electrical Controls   Service Manual - EC3.0 Electrical Controls   Service Manual - EC4.0 Electrical Controls   User Manual - Konvekta KS60 Controller V3.0   Operating Instructions - Konvekta KL60 Rooftop   Operating Instructions - Konvekta KL70T / 80T with 12V KS60 Controls

Maintenance & Troubleshooting

Preventive Maintenance Schedule (11/18/11 JP)   Preventive Maintenance Check List (Form)   15 Preventive Maintenance Action Items   Compressor Considerations   Normal Wear Component Considerations   7 Things to do Before Leaving for a Mid-Season Trip   8 Warning Signs Which Indicate Trouble   Typical Installation Related Failures   Troubleshooting Guidelines & Secondary Troubleshooting   Compressor Diagnostics   Temperature Pressure Chart   AC Maintenance Basics for Reliable Operation (Presentation)

System Performance

General Tips to Enhance System Performance   8 Ideas to Upgrade Existing System Performance

Service Bulletins

07-001: EC-2.5 & EC-3.0 Electrical System 9/6/2007   09-002A: EC Series Electrical System Mandatory Product Improvement 9/18/2009   2010 MF7 DUAL A/C LOWER RAD HOSE 12/4/2012   Safety Recall: SB13-002 Ford 5.4L & 6.8L Mount Kit 10/7/2013   14-001: EC4.0 False Low Voltage Fault Code Advisory 7/9/2014   SB15-001 15V-213 GM6.6L Cable Connection 4/8/2015   Konvekta KL60 Dual Circuit Check List 7/29/2014   6.8L 4013525 Mount 2/4/2016   18-002A Service Advisory RT65 & RT96 Rooftop Units 8/27/2018   22-001 Service Advisory IC CE Bus w/ TM43 Comp Mount 21-22 9/22/2022   23-001 F650 W/ Stabilizer Bar 10/23/2023

Electrical Diagrams

503331 - Basic II   503341 - Basic II, Driver Therm   503345 - Basic II   503348 - Basic II (Slave Evap)   503359 - Basic II w/Slave   503371 - EC1   503372 - EC1 w/Slave & 4 Fan Condenser   503439 - T/A 774 Split System   503440 - T/A 774 Split System w/Slave   503476 - Basic II - 3 SP - Ford w/Remote Breakers   503503 - Basic II - 3 Speed - Stud Term   503525 - Basic II - 3 SPD - Driver Therm   503534 - Basic II - 3 SPD w/Slave   503546 - Basic II - 3 SP w/Heat   503624 - EC2 - (1) Evaporator - (1) Condenser - (1) Compressor - 12 Volt   503687 - Basic II - 3 SP - NGR Rocker Switch   503701 - EC2 - (2) Evaporators - (2) Condensers (2) Compressors - 12 Volt   503768 - Basic II - 3 Speed w/Digital Thermostat   503792 - Dual System - I.C. Corp   503819 - Add On 12V Alternator   503846 - Basic II - 3 SPD w/Digital Therm - Remote Manual Reset Breakers   503856 - Basic II - 3SPD - Ford 2004 & newer   503908 - Dual System - IC Corp   5031002 - EC3 - TA7722 / 7723   5031009 - Electrical Wiring Diagram EC3   5031017 - Electrical Wiring Diagram - EC2.0 / 2.5   5031034 - EC3 - TA77DKD656/KL60C/TA77DKD656/KL60C S/TA77DKD656/KL60C -Transit Comp   5031045 - Basic II - 3 SPD - GM 2003 & newer - TA-25 Tie In   5031200 - EC4.0   5031201 - EC4.0 w/ Slave Evaporator   5031202 - EC4.0 - TA93939633 / 969633 Transit   5031212 - EC4.0 - TA7722/77R90/77R120/7723S/77R120S   5031121 - Alternator Kit 24V Batteryless Konvekta Rooftop   5031070 - KL70T/80T 24Vdc Power / 12Vdc Control , Recirculated Air   5031287 - 2011 Ford F550 TA7723 super tie-in, Basic II   5031149 - Electrical Installation, KL60 12vdc, Fresh Air, Heat, Std Blower, Front Engine   5031451 - Electrical Installation, Basic II PCB, Starcraft Caltrans   5031119 - Electrical Installation, IC Corp, EC3, 120K BTU, TA9393776R, Transit, RE, GSA

Piping Diagrams

503320 - 8-10-12 (1) Evap - (1) Condenser - (1) Compressor   503321 - 10-12-16 Hose - (1) Evaporator - (1) Condenser - (1) Delco Compressor   503347 - 8-10-12 Hose, O-Ring FTG - Ford Factory Tie-In Unit 92 and Newer   503349 - Evaporator Slave Tie-In - Ford "92 and newer   503375 - 8-10-12 - Hose GM Factory Tie-In Unit "93 and newer w/C2-C3 (134A)   503391 - Evaporator Slave Tie-In - Ford 92 and newer   503397 - 8-10-12 Hose - (1)Evaporator - (1)Condenser - (1)Compressor   503401 - 8-10-12 Hose - 134A - (1) Evaporator - (1) Condenser - (1) Delco Comp   503406 - 8-12 Hose - 134A - DCM II Tie In   503412 - 8-10-12 Hose, 134A - GM Fact. - Tie-In - 93 & newer   503414 - 8-10-12 Hose - R134A - Evaporator Slave Tie-In - GM 93 & newer   503444 - 8-10-12 Hose - 134A - (2) 12.6 or (1) Transit - TA 976R - 996R   503450 - R134A - TA 774 / #12 Suction - (2) Sanden / DKS   503489 - 8-10-12 Hose - R134A - Ford Tie-In - Skirt Condenser - 97 & 98   503611 - 8-10-12 Aeroquip Hose - 134A - (1) Evap - (1) Cond - (1) Comp   503612 - 8-10-12 Aeroquip Hose - 134A - (1) Evap - (1) Cond - (1) Delco Comp   503630 - Piping Installation - Ford Tie-In - Skirt Condenser - Aeroquip Clip   503631 - Piping Installation - Ford Tie-In - Radiator Condenser - Aeroquip   503636 - Piping Installation - GM Fact - Tie-In - Aeroquip Clip   503668 - Piping Installation - R134A - TA73(front) - SMC3L - 10cid Comp - 20' - 22' Ford V8 Diesel   503682 - Piping Installation - R134A - TA73(front) - SMC3L - 10cid Comp - 20' or 22" Ford V8/V10 Gas   503714 - Piping Install. - 134A - GM Aftermarket Dash Tie-In - 1/2" x 5/8" 10cid Comp - '93 & newer   503726 - Piping Installation - R134A - TA73(rear) - SMC3L - 10cid Compressor - 24' Ford V8 Diesel   503727 - Piping Installation - R134A - TA 73(rear - SMC3L - 10cid Comp - 28' Ford V8/V10 Gas   503753 - Piping Installation - 134A - DCM II - Tie In - Aeroquip Clip   503779 - Piping Installation - 99 & up - Ford Tie-In - Skirt Condenser - Aeroquip Clip   503795 - Piping Installation - R134A - GM Tie-In - 2003 Skirt Condenser - Aeroquip Clip   503797 - Piping Installation - 134A - GM Tie-In - 2003 Radiator Condenser - Beadlock Style   503909 - Piping Installation - R134A - (1) Evaporator - (1) Condenser - (1) Compressor - TA Clip Lok   503911 - Piping Installation - Ford Tie-In - Skirt Condenser - TA Clip-Lok   503922 - Piping Installation - R134A - (1) Evap - (1) Comp - (1) DKD417 - El Dorado - TA Clip-Lok   503930 - Piping Installation - 2004 Ford Tie-In - Skirt Condenser - TA Clip-Lok   503944 - Piping Installation - R134A - GM Tie-In - 2003 Skirt Condenser - TA Clip-Lok   503967 - Piping Installation - R134A - DCM II Tie-In - TA Clip-Lok   503968 - Piping Installation - R134A - (2) Evap - (1) Cond - 10 CID w/Option on Evap - TA Clip-Lok   503969 - Piping Installation - R134A - TA 986 - Transit Compressor - TA Clip-Lok   5031052 - Piping Installation -R134A - 2007 Ford Tie-In - Gas Engine - Skirt Condenser - TA Clip-Lok   5031145 - Piping Installation, R134a, KL60 Dual Circuit, Dual 13 CID Compressors

Other

Trans/Air Credit Application 3/21/2019   General Serial Number Locations   General Guide to Registering Your Trans/Air System Online   Trans/Air Terms and Conditions of Sale   Trans/Air New Customer Registration Form   Trans/Air Company & Products Overview