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American Standard Split System Cooling or Heat Pump Air Handler manual

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Table of contents for the manual

  • Page 1

    Installation Oper ation Maint enance October 2006 TW E - SV X 0 3 C - E N Models (60 Hz) Models (50 Hz) TWE060A*** E TWE050AD**E TWE060B*** E TWE075AD**E TWE090A* **E TWE1 00AD** E TWE090B* **E TWE1 00BD** E TWE1 20A***F TWE1 55 BD**E TWE1 20B***E TWE2 0 0BD**F TWE180B***E TWE240B*** F Split S yst em Cooling or Heat Pump Air Handler 7½ - 20 T ons [...]

  • Page 2

    Pr ef ace and W ar nings and Cautions © 20 06 American Standard Inc. All rights reserved TWE-SVX03C-EN Li terat ure Ch an ge H isto ry TWE-S VX03A-EN (J une 20 03) Implemented Global G raphics format to IOM. TWE-SVX03B-EN (April 20 05) Added capacitor discharge w arn ing. TWE-SVX03C-EN (S epte mber 200 6) Model number for 20 0 and 240 we nt to an [...]

  • Page 3

    Cont ents TWE-SVX03C-EN 3 Model Number Descr iption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 General I nfor mation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation Ch ecklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    4 TWE-SVX03C-EN Model Number Description All products are identi fied by a multiple-c haracter model numb er that precisely identifies a particular type of unit. An explanation of the alphanumeric identification code is provid ed. Its use will enable the owner/operator , installing contractors, and se rvice engineers to define the operat ion, speci[...]

  • Page 5

    TWE-SVX03C-EN 5 General This manual covers installation of the TWE050, 060, 0 75, 090,1 0 0 and 120A single circuit air handlers and TWE060, 075, 090, 1 0 0, 120, 155, 180, 20 0 and 240B dual circuit air handler s. These air handl er models incorporate a sing le slab coil assembly , improved applic ation flexibility , servicing, maintenance accessi[...]

  • Page 6

    6 TWE-SVX03C-EN Unit Dimensions Figure 1 . Unit Dimensions[...]

  • Page 7

    TWE-SVX03C-EN 7 Unit Dimensions Figur e 1 . (continued fr om previous page)[...]

  • Page 8

    8 TWE-SVX03C-EN Unit Dimensions Figure 2.[...]

  • Page 9

    TWE-SVX03C-EN 9 Unit Dimensions Figure 3.[...]

  • Page 10

    10 TWE-SVX03C-EN Installation Pr eparations The final position for th e air handler must be dictated by required service access to it, weight distribution ov er structural suppor ts, and by the locations of electr ical, refrigerant and condensate draina ge connections. Af ter this is determined, the followin g preparations should be made. Repositio[...]

  • Page 11

    TWE-SVX03C-EN 11 Installation Refr iger ant Piping Prepar ation The air handler is d esigned so that refrigerant piping can enter from either the right or lef t hand side. It is shipped with the intent that the refrigerant lines will enter from the left hand side. T o convert to right hand entry , unbraz e the elbow on the suction line and ro tate [...]

  • Page 12

    12 TWE-SVX03C-EN Installation Caution Equipment D amage! Befor e hanging the unit on suspension ro ds, reinf orce the cabinet ar ound the knock outs b y using a larg e washer inside the cabinet. W ashers should be betw een the skin of the air handler and the nut on the suspensio n r od. Align holes (knoc kouts) in the cabinet with structural suppor[...]

  • Page 13

    TWE-SVX03C-EN 13 Installation Note : Important! When air handler is installed in the ver tical position and close proximity trapping of co ndensate is required, use of a subbase accessory to raise the air handler for clearance of the drain trap is recommended. See Figure 6 for a typical drain trap assembly . Filters Air handler s are shipped wi th [...]

  • Page 14

    14 TWE-SVX03C-EN Installation  WA R N I N G Hazar dous V oltage! Disconnect all ele ctr ic pow er , including r emote discon nects befor e servicing. F ollo w proper lo ck out/ tagout pr ocedures t o ensure the pow e r can not be inadvert ently energiz ed. Failur e to disconnect pow e r bef ore servicing could result in death or ser ious injury [...]

  • Page 15

    TWE-SVX03C-EN 15 Ther mostat and Contr ol Connections 1 . Observe all notes on the diagrams. 2. Mount the thermostat in the desired location. 3. Install color coded low voltage cables between outdo or unit, indoor unit and th ermostat. 4. Connect low v oltage control wiring to th e low vo ltage terminal board located on the side of the fan c o ntro[...]

  • Page 16

    16 TWE-SVX03C-EN Field Wiring b. 3 power wires. Line voltage for 3 phase; 2 wires for single phase. c. Heat pum p thermostat: 6 wires, 24 volts. i. Electric heat: add 2 additional wire, 24 volts. d. 2 wires, 24 volts. i. Outdoor therm ostat; add 1 additional wire, 24 volts. ii. Electric heat: add 1 additional wire, 24 volts. (2) T T_060/TTE120B (2)[...]

  • Page 17

    TWE-SVX03C-EN 17 Field Wiring Figure 1 1 . TT A090 A, 120A/T WE090A, 120A; TT A075A, 1 0 0A/TWE075A, 1 0 0A Figur e 12. TT A120B/TW E120B; TT A120C/T WE1 20 A; T T A1 00B/ T WE1 00B ; T T A1 00C /T WE1 00A[...]

  • Page 18

    18 TWE-SVX03C-EN Field Wiring Figure 13. TW A090A, 120A/TWE090A, 120A; TW A075A, 1 0 0A/TWE075A, 1 0 0A Figur e 14. TT A120B/TW E120B; TT A120C/T WE1 20 A; T T A1 00B/ T WE1 00B ; T T A1 00C /T WE1 00A[...]

  • Page 19

    TWE-SVX03C-EN 19 Field Wiring Figure 15. TT A090A, 12 0A/T WE0 90A, 120A; TT A075A, 1 0 0A/TWE075A, 1 0 0A Figure 16. T W_060/TWE060; TW_050/TWE050[...]

  • Page 20

    20 TWE-SVX03C-EN Field Wiring Figure 1 7 . TW_060/T WE0 60; TW_050/T WE050 Figure 1 8. TW_060/T WE0 60; TW_050/T WE050[...]

  • Page 21

    TWE-SVX03C-EN 21 Field Wiring Figure 19. TW_030/T WE0 60B; T W___/TWE090B; T W_060/TWE120B; TW_050/T WE1 0 0B Figure 20. TW_030/T WE0 60B; T W___/TWE090B; T W_060/TWE120B; TW_050/T WE1 0 0B[...]

  • Page 22

    22 TWE-SVX03C-EN Field Wiring Note : Wiring shown with dash ed lines is to be furni shed and installed by the customer . All customer -supplied wiring must be copper only and must conform to NEC and local electrical codes. Codes may require line of sig ht between the disconnect switc h and the unit. Note : When electric heater accessory is used, si[...]

  • Page 23

    TWE-SVX03C-EN 23 Field Wiring Figure 22. TT A150 B , 1 80 B , 240B/TWE1 80B, 240B; TT A1 25B , 155B, 200B/TWE155B, 200B; TT A155C/T WE155B; TT A180C/TWE1 80 B Figure 23. TT A150B, 180B , 240B/TWE 1 80B, 240B; TT A125B, 155B, 200B/TWE155B, 200B; TT A155C/TWE155B; TT A180C/TWE1 80 B[...]

  • Page 24

    24 TWE-SVX03C-EN Field Wiring Figure 2 4. T W A180B, 240B/T WE 180B, 240B; TW A155B, 200B/TWE 155B , 200B Figure 25. TW A 090A, 120A/TWE 1 80B, 240B; TW A075A, 1 00 A/T WE 155B, 200B[...]

  • Page 25

    TWE-SVX03C-EN 25 Field Wiring Figure 26. TT A090A, 12 0A/T WE 180B, 240B; T T A075A, 1 0 0A/TWE155B, 240B Figure 27 . TT A090A, 120A/TWE 1 8 0B , 240B; TT A075A, 1 0 0A/TWE155B , 200B[...]

  • Page 26

    26 TWE-SVX03C-EN Field Wiring Figur e 28. T W_030A/TWE060B; T W___/TWE090 B; TW_060/T WE120B; TW_050/TW E1 00B[...]

  • Page 27

    TWE-SVX03C-EN 27 TT A , TTN , TTP , TTR , TT B, TT X, TTY an d TTZ (par ts only) This war ranty is extended by American Standa rd to the orig inal purc haser and to any succ eeding owner of the real property to whic h the Air Conditioner is origin ally affixed, and applies to products purc hased and retained for use within the U. S.A. and Canada. T[...]

  • Page 28

    Literature Orde r Number TWE-SVX03C-EN Date October 20 06 Super sedes TW E-SVX03C-0906 Stoc king Location W ebbMason The manufacturer has a policy of continuous product and product data improvement and reserves the right to c hange design and specification s without notice.[...]