General Information This manual covers the installation of Installation Checklist Inspection Checklist the TTA060, TTA075, TTA100 and An “Installation Checklist” is provided To protect against loss due to TTA120 (Single Circuit), TTA150, at the end of the installation section damage incurred in transit, complete TTA180, TTA200 and TTA240 (Dual of this manual.
Installation Lifting Recommendations Clearances Before preparing the unit for lifting, Provide enough space around the estimate the approximate center of unit to allow unrestricted access gravity for lifting safety. Because of to all service points. Refer to unit placement of internal components, dimensional data for minimum the unit weight may be unevenly required service and free air...
Notes: 1. Two line sets are required for dual circuits units. 2. For line lengths over 80 linear feet and 15 feet liquid line riser, C. Recommended line sizes: consult your local Trane representative. TTA060FD (Single Circuit) TTA075ED (Single Circuit)
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Refrigerant Piping Guidelines Refrigerant Piping Procedures All brazing should be done using 2 1. Remove both seal caps from the to 8 psig dry nitrogen purge flowing indoor unit connection stubs. (Outdoor units) through the pipe being brazed 9 Each TTA unit ships with dry nitrogen (Figure 2).
Refrigerant Charging and Evacuation (R407C) System Evacuation 1. After completion of leak check, evacuate the system. 2. Attach appropriate hoses from manifold gauge to gas and liquid TTA 060 FD 11.2 line pressure taps. TTA 120 FD 18.7 TTA 240 FD 16.0 37.4 Note: Unnecessary switching of...
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Refrigerant Charging and Evacuation Recommended Charging Amount Caution Liquid Charging After the refrigerant pipework system • R407C charge in liquid phase only. has been pressure tested and • Always evacuate air from the tubing evacuated, the refrigerant may be before adding refrigerant. charged as follows.
Electrical Wiring Electrical Wiring Ground the unit according to local Warning: Open the electrical codes and provide flexible conduit if disconnect switch and lock in open TTA field wiring consists of providing codes require and/or if vibration position to prevent accidental power power supply to the unit, installing the transmission may cause noise application.
Operation ❏ Inspect unit location for proper Sequence of Operation Safety Controls Note: All of these controls may not be required service clearances. General ❏ Inspect unit location for proper free installed on your unit, check electrical Operation of the system cooling schematic.
Maintenance Maintenance • Inspect the evaporator and • Remove any accumulation of dust condenser coils for dirt and debris. and/or dirt from the unit casing. Perform all of the indicated If the coils appear dirty, clean them. • Remove corrosion from any surface maintenance procedures at the •...
Trouble Shooting Table 9: Troubleshooting Chart Refrigerant Circuit Liquid overfeeding (expansion valve) (cap tube) f l i or no cooling/heating Electrical Compressor and outside fan won’t start Compressor will not start but outside fan runs Outside fan won’t start Compressor hums but won’t start Compressor cycles on internal overload...
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Trouble Shooting Safety recommendations Maintenance contract Training To avoid accidents and damage, the It is strongly recommended that you The equipment described in this following recommendations should be sign a maintenance contract with your manual is the result of many observed during maintenance and local Service Agency.
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Trane Stocking Location: Bangkok, Thailand www.trane.com For more information, contact your local district Trane has a policy of continuous product and product data improvement and reserves the right to change office design and specifications without notice. TTA-R407C-EN1113.indd 28 TTA-R407C-EN1113.indd 28...