Split System Cooling Units - Trane

1 Split System Cooling Units Split System Cooling Units TTA075A-TTA200B. Air Handlers TWE050A-TWE200B. 50 Hz December 2000 SS-PRC003-EN. Introduction Split System Heat Pump Units . Designed With Your Needs In Mind. The Trane reputation for quality and CoupleTrane's reputation for quality and reliability in air conditioning continues reliability in Split System air conditioners with the Odyssey family of light with efficiency, flexibility, and installation commercial Split systems. Trane paid you have systems that will attention to your needs to make sure give you Simply the Best Value.. you get a System that will meet your job requirements every at a competitive price. American Standard Inc. 2000 SS-PRC003-EN. Contents Introduction 2. Features and Benefits 4. Application Considerations 7.

2 Selection Procedure 8. Model Number Description 9. General Data 10. Performance Data 13. Cooling Performance 13. Fan Performance 39. Electric Power 46. Connection and Wiring 48. Dimension and Weights 54. Mechanical Specifications 75. SS-PRC003-EN 3. Features and Benefits Condensing Units Air Handlers Trane 3-D scroll compressor Low voltage terminal board (TTA075-100A) Expansion valve(s). (2) Trane Climatuff compressors . Convertible (TTA100-125B) with independent PVC drain pan refrigerant circuits Fan relay (2) Trane 3-D scroll compressors Efficient evaporator coil (TTA155-200B) with independent Baked enamel finish refrigerant circuits Filter access panel 2) Manifolded scroll compressors with 1 ( mm) throwaway filters standard unloading capability (TTA100-155C) with provisions for field supplied 2.

3 Compressor motor overload protection ( mm) filters Control transformer Adjustable belt drive motor High and low pressure cutout switches Single point power entry to electric Internal pressure relief valve (TTA100B- heaters 125B) Refrigerant piping and/or electrical Liquid line filter drier, factory installed connections provided from either side Holding charge of nitrogen Odyssey air handler versatility is Copper tube, aluminum plate fin coils further increased by a complete line of Low ambient Cooling to 35 F ( C) as optional accessories designed to match manufactured and easy to install: Weather resistant baked enamel finish Discharge Plenum and Grille Heavy gauge steel cabinet Return Grille Mounting/lifting rails under base Subbase All condensing Units offer these Electric Heaters optional accessories: High Static Evaporator Motor Head Pressure Control Low Ambient Isolators both Rubber-in-Shear and CoolingTo 0 F ( C) SpringType Coil Guards Kits Isolators both Rubber-in-Shear and SpringType Anti-Short-Cycle Kit Time Delay Relay Black Epoxy Coated Condenser Coils 4 SS-PRC003-EN.

4 Features and Benefits Condensing Units Options In addition, Odyssey modelsTTA100B, The Odyssey Split System product line TTA125B,TTA155B andTTA200B are dual includes condensing Units in both single compressor Units to give true standby unloading and dual compressor options. protection; if one compressor fails, the TTA075A andTTA100A-ton single second will automatically start-up. Also, compressor models feature single the first compressor can be serviced refrigeration circuitry lowering job without shutting down the unit since installation costs by requiring only one refrigerant circuits are independent. set of refrigerant Units are Dual compressors are not just for ideal for their low cost, new construction protection; they also save energy costs. jobs, as well as renovation and Most buildings are designed for the peak replacement buildings.

5 Load requirements, yet the building Equally important, Odyssey offers a usually operates at less than peak load. single refrigerant circuit/capacity During light load conditions only one unloading option inTTA100C and compressor functions to maintain the TTA155C condensing Units . These space comfort thus reducing the need unloading Units feature dual manifolded for energy. scroll compressors. They offer an Trane Split systems have been specified excellent opportunity for both new in thousands of will construction and replacement jobs with find Odyssey will win even more jobs two stages of capacity modulation and a with its smaller, more manageable single refrigeration circuit. cabinet. Low Ambient Cooling Operation Each condensing unit can operate to 35 F ( C) as standard.

6 An accessory Head Pressure Control gives you the capability to operate to 0 F ( C). SS-PRC003-EN 5. Features and Benefits Air Handlers Offer More Flexibility Flexibility is a key to meeting changing market requirements. Odyssey Split systems offer not only various compressor options but also convertible air air handlers can be installed either vertically in a mechanical room or horizontally above a ceiling. They do not require any removal of panels or reconfiguration of the drain pan to make either airflow application work. These air handlers have a double sloped condensate drain pan that allows for either airflow configuration and can easily be removed for cleaning. All the air handlers feature factory installed belt drive and ball bearing evaporator fans with adjustable sheaves for maximum airflow performance.

7 The standard motor on theTWE100A air handler will deliver 3325 cfm (5650 m3/h) at (250 Pa) ESP. Additionally, oversized motors are available for higher static applications. Odyssey air handler versatility is further increased by a complete line of accessories designed to match and install smoothly: Discharge Plenum and Grille Return Grille Subbase Electric Heaters High Static Evaporator Motor Isolators both Rubber-in-Shear and SpringType A Full Line ofThermostats Odyssey A Complete Split System Odyssey delivers the flexibility to select a complete System that meets your particular job requirements. Air Handlers are designed, tested, and rated with condensing Units to let you select the proper match between capacity and load. Condensing Units can also be matched with Trane built-up air matched systems can be quickly engineered for specific applications using Trane 's computerized selection programs.

8 6 SS-PRC003-EN. Application Considerations Application of this product should be Low Ambient Cooling within the catalogued airflow and As manufactured, these Units can performance considerations. operate to 35 F ( C) in the Cooling Clearance Requirements mode of operation. An accessory head The recommended clearances identified pressure control will allow operation to with unit dimensions should be 0 F ( C) outdoor ambient. When maintained to assure adequate using these Units with control systems serviceability, maximum capacity and such as bypass changeover Variable Air peak operating efficiency. Actual Volume, consider the requirement for a clearances that appear inadequate head pressure control to allow low should be reviewed with your localTrane ambient Cooling .

9 Representative. Typical Horizontal Air Handler Application Typical Split System Application Typical Vertical Air Handler Application SS-PRC003-EN 7. Selection Procedure Cooling Capacity Note:The formula below the table can Step 1 Calculate the building's total be used to calculate Fan Motor Heat, and sensible Cooling loads at design x Bhp = MBh conditions. Use theTrane calculation x = MBh form or any other standard accepted x (kW) = kW. method. x = kW. Step 2 Size the equipment usingTable NetTotal Cooling Capacity =. 13-1. Match the Cooling loads at design MBh = MBh conditions. - = kW. Example:The following are the building Net Sensible Cooling Capacity =. Cooling requirements MBh = MBh a - = kW. Electrical Characteristics: 380-415/50/3 Heating Capacity b Step 1 Calculate the building heating Summer Design Conditions: Entering load.

10 Evaporator Coil: 80 DB/67 WB. (27 DB/19 WB C) Step 2 Size the System heating Outdoor Ambient: 95 F (35 C) capacity to match the calculated building c heating following are building Total Cooling Load: 75 MBh (22 kW) heating requirements: d a Sensible Cooling Load: 53 MBh Total Heating Load at MBh ( kW). ( kW) b e 3000 cfm (5097 m3/h). Airflow: 3000 cfm (5097 m3/h) c External Static Pressure: in. Electric Supplementary Heaters ( Pa) Table 45-1, the kW heater has a Table 13-1 shows that aTTA075A capacity of 119,045 btu. FromTable matched with aTWE075A has a gross 47-1, the kW indicates the heater Cooling capacity of MBh ( kW) model number is and MBh ( kW) sensible capacity heater will adequately cover the at 95 DB (35 C) ambient and 3000 cfm building's heating requirement.