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Trane TWE Series Installation Operation & Maintenance

Split system cooling or heat pump air handler 7½ - 20 tons
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Operation
Maintenance
Split System Cooling or
Heat Pump Air Handler
7½ - 20 Tons
Model TWE
Models (60 Hz)
TWE060A***E
TWE060B***E
TWE090A***E
TWE090B***E
TWE120A***F
TWE120B***E
TWE180B***E
TWE240B***F
October 2006
Models (50 Hz)
TWE050AD**E
TWE075AD**E
TWE100AD**E
TWE100BD**E
TWE155BD**E
TWE200BD**F
TWE-SVX03C-EN

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Summary of Contents for Trane TWE Series

  • Page 1 Installation Operation Maintenance Split System Cooling or Heat Pump Air Handler 7½ - 20 Tons Model TWE Models (60 Hz) Models (50 Hz) TWE060A***E TWE050AD**E TWE060B***E TWE075AD**E TWE090A***E TWE100AD**E TWE090B***E TWE100BD**E TWE120A***F TWE155BD**E TWE120B***E TWE200BD**F TWE180B***E TWE240B***F TWE-SVX03C-EN October 2006...
  • Page 2 Preface and Warnings and Cautions Literature Change History Warnings and Cautions TWE-SVX03A-EN (June 2003) Notice that warnings and cautions Implemented Global Graphics format appear at appropriate intervals to IOM. throughout this manual. Warnings TWE-SVX03B-EN (April 2005) are provided to alert installing Added capacitor discharge warning.

  • Page 3: Table Of Contents

    Contents Model Number Description ......... . 4 General Information .

  • Page 4: Model Number Description

    Model Number Description 9 10 DIGITS 1-3: PRODUCT TYPE DIGIT 8: ELECTRICAL Model Number Description CHARACTERISTICS TWE = Split System Heat Pump/ All products are identified by a Cooling Air Handler 1 = 208-230/60/1 multiple-character model number that precisely identifies a particular 3 = 208-230/60/3 DIGITS 4-6: NOMINAL GROSS type of unit.

  • Page 5: General Information

    General Information General Installation procedures should be Unit Inspection performed in the sequence that they This manual covers installation of Inspect material carefully for any appear in this manual. Do not the TWE050, 060, 075, 090,100 and shipping damage. If damaged, it destroy or remove the manual from 120A single circuit air handlers and must be reported to, and claims...

  • Page 6: Unit Dimensions

    Unit Dimensions Unit Dimensions Figure 1. TWE-SVX03C-EN...
  • Page 7 Unit Dimensions Figure 1. (continued from previous page) TWE-SVX03C-EN...
  • Page 8 Unit Dimensions Figure 2. TWE-SVX03C-EN...
  • Page 9 Unit Dimensions Figure 3. TWE-SVX03C-EN...

  • Page 10: Installation

    Installation Installation Preparations Process for Drain Pan Relocation The final position for the air handler Remove the access plate at the must be dictated by required service opposite end of the drain access to it, weight distribution over connection. This plate secures structural supports, and by the and lifts the back end of the locations of electrical, refrigerant...
  • Page 11 Installation Refrigerant Piping Preparation Caution The crated unit can be moved using a forklift of suitable capacity. For lifting System Component Damage! The air handler is designed so that the unit into an elevated mounting Properly insulate all refrigerant gas refrigerant piping can enter from position, run lifting straps or slings piping to prevent possible water...
  • Page 12 Installation Caution be installed, but should not be contains two (2) brass clamps connected to the primary drain line (straps) and cork impregnated Equipment Damage! from the unit. Isolate the auxiliary insulation material approximately 9" Before hanging the unit on drain pan from both the air handler long by 4"...
  • Page 13 Installation WARNING Note: Important! When air handler filter track to increase the width of the is installed in the vertical filter opening. Hazardous Voltage position and close proximity w/Capacitors! trapping of condensate is Duct Connections Disconnect all electric power, required, use of a subbase The supply and return ducts should including remote disconnects and accessory to raise the air...

  • Page 14: Recommended T'stat Wire Size

    Installation WARNING • Inspect duct outlets. Outlets must be open and unrestricted. Hazardous Voltage! • Inspect unit drain lines. Pipe Disconnect all electric power, connections must be tight and including remote disconnects before drain line unrestricted. servicing. Follow proper lockout/ •...

  • Page 15: Field Wiring

    Field Wiring Thermostat and Control Connections Observe all notes on the diagrams. Mount the thermostat in the desired location. Install color coded low voltage cables between outdoor unit, indoor unit and thermostat. Connect low voltage control wiring to the low voltage terminal board located on the side of the fan control box per the typical interconnecting...
  • Page 16 Field Wiring b. 3 power wires. Line voltage (2) TW_030/TWE060B for 3 phase; 2 wires for single (2) TW_060/TWE120B phase. Field Wiring: c. Heat pump thermostat: 6 a. 3 power wires. Line voltage wires, 24 volts. for 3 phase; 2 wires for single i.
  • Page 17 Field Wiring Figure 11. TTA090A, 120A/TWE090A, 120A; TTA075A, 100A/TWE075A, 100A Figure 12. TTA120B/TWE120B; TTA120C/TWE120A; TTA100B/TWE100B; TTA100C/TWE100A TWE-SVX03C-EN...
  • Page 18 Field Wiring Figure 13. TWA090A, 120A/TWE090A, 120A; TWA075A, 100A/TWE075A, 100A Figure 14. TTA120B/TWE120B; TTA120C/TWE120A; TTA100B/TWE100B; TTA100C/TWE100A TWE-SVX03C-EN...
  • Page 19 Field Wiring Figure 15. TTA090A, 120A/TWE090A, 120A; TTA075A, 100A/TWE075A, 100A Figure 16. TW_060/TWE060; TW_050/TWE050 TWE-SVX03C-EN...
  • Page 20 Field Wiring Figure 17. TW_060/TWE060; TW_050/TWE050 Figure 18. TW_060/TWE060; TW_050/TWE050 TWE-SVX03C-EN...
  • Page 21 Field Wiring Figure 19. TW_030/TWE060B; TW___/TWE090B; TW_060/TWE120B; TW_050/TWE100B Figure 20. TW_030/TWE060B; TW___/TWE090B; TW_060/TWE120B; TW_050/TWE100B TWE-SVX03C-EN...

  • Page 22: Field Wiring Outdoor/Indoor

    Field Wiring TWA180B/TWE180B TWA240B/TWE240B Field Wiring: a. 3 power wires. Line voltage. b. 3 power wires. Line voltage for 3 phase; 2 wires for single phase. c. Heat pump thermostat: 7 wires, 24 volts. i. Electric heat: add 2 additional wire, 24 volts. d.
  • Page 23 Field Wiring Figure 22. TTA150B, 180B, 240B/TWE180B, 240B; TTA125B, 155B, 200B/TWE155B, 200B; TTA155C/TWE155B; TTA180C/TWE180B Figure 23. TTA150B, 180B, 240B/TWE 180B, 240B; TTA125B, 155B, 200B/TWE155B, 200B; TTA155C/TWE155B; TTA180C/TWE180B TWE-SVX03C-EN...
  • Page 24 Field Wiring Figure 24. TWA180B, 240B/TWE 180B, 240B; TWA155B, 200B/TWE 155B, 200B Figure 25. TWA 090A, 120A/TWE 180B, 240B; TWA075A, 100A/TWE 155B, 200B TWE-SVX03C-EN...
  • Page 25 Field Wiring Figure 26. TTA090A, 120A/TWE 180B, 240B; TTA075A, 100A/TWE155B, 240B Figure 27. TTA090A, 120A/TWE 180B, 240B; TTA075A, 100A/TWE155B, 200B TWE-SVX03C-EN...
  • Page 26 Field Wiring Figure 28. TW_030A/TWE060B; TW___/TWE090B; TW_060/TWE120B; TW_050/TWE100B TWE-SVX03C-EN...

  • Page 27: Warranty

    Warranty TTA, TTN, TTP , TTR, TTB, Some states do not allow limitations Warrantor shall not be obligated to on how long an implied warranty pay for the cost of lost refrigerant. TTX, TTY and lasts or do not allow the exclusion or No liability whatever shall attach to TTZ (parts only) limitation of incidental or...
  • Page 28 Literature Order Number TWE-SVX03C-EN Date October 2006 Supersedes TWE-SVX03C-0906 Stocking Location WebbMason The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.

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