Trane TTA Split System Cooling
6-25 Tons, Three Phase
R-410A Models - Single Circuit
Product: TTA Split System Cooling
Key Features:
- ReliaTel™ controls option
- (1) Scroll compressor (TTA072-120A)
- (2) Scroll compressors (TTA072-240D) with independent refrigerant circuits
- Single point power
- Compressor motor overload protection
- Compressor discharge temperature limit switch
- Control transformer
- High and low pressure cut-out switches
- Liquid line filter drier, factory installed
- Electrical phase reversal protection
- Internal pressure relief valves
- Holding charge (Dry Nitrogen)
- All Aluminum microchannel coil
- Low ambient cooling to 50°F as shipped
- Low ambient cooling to 0°F with accessory head pressure control
- Mounting/lifting rails under base
- UL listed
- 5-year compressor warranty
- 1-year limited parts warranty
- Optional Extended Warranties
Model Number Description Structure:
Digits 1-3: Unit Function (TTA = Split System Cooling)
Digits 4-6: Tonnage (072 = 6 Tons, 090 = 7.5 Tons, 120 = 10 Tons, 150 = 12.5 Tons, 180 = 15 Tons, 240 = 20 Tons, 300 = 25 Tons)
Digit 7: Refrigerant (4 = R-410A)
Digit 8: Voltage (3 = 208-230VAC - 3 PH, 4 = 460VAC - 3 PH, W = 575VAC - 3 PH, K = 380VAC - 3 PH)
Digit 9: Refrigeration Circuit/Stage (A = 1 Compressor/1 Line/1 Stage (Single), C = 2 Compressors/1 Line/2 Stage (Manifold))
Digit 10: Major Design Sequence (A = Current Design Sequence)
Digit 11: Minor Design Sequence (B = Current Design Sequence)
Digits 12-13: Service Digits
Digit 14: Efficiency Generation (A = Generation A)
Digit 15: Controls (E = Electromechanical, R = ReliaTel™)
Digit 16: None (0 = Not Used)
Digit 17: Coil Protection (0 = Standard Coil, 1 = Standard Coil w/ Hail Guard, 4 = Complete Coat Condenser Coil (MCHE), 5 = Complete Coat Condenser Coil with Hail Guard (MCHE))
Digits 18-20: None (0 = Not Used)
Digit 21: Communications Options (0 = No Option, 2 = LonTalk® Communications Interface (LCI))
Digits 22-40: None (0 = Not Used)
| Model Number | Power Supply | AHRI Net Cooling Cap. (BTUH) | Uncrated Dimensions(in.) H | W | L | Shipping Weight (lbs.) | Sound¹ Rating | MCA* | Max. Fuse* | Connection Size (in) OD Gas | OD Liq. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TTA07243A | 208-230/3/60 | 76,000 | 46 | 45 | 38 | 324 | 84 | 28 | 45 | 1 1/8 | 1/2 |
| TTA09043A | 208-230/3/60 | 94,000 | 45 | 45 | 38 | 342 | 83 | 34 | 50 | 1 3/8 | 1/2 |
| TTA07244A | 460/3/60 | 76,000 | 46 | 45 | 38 | 324 | 84 | 12 | 20 | 1 1/8 | 1/2 |
| TTA09044A | 460/3/60 | 94,000 | 45 | 45 | 38 | 342 | 83 | 17 | 25 | 1 3/8 | 1/2 |
| TTA0724WA | 575/3/60 | 76,000 | 46 | 45 | 38 | 324 | 84 | 9 | 15 | 1 1/8 | 1/2 |
| TTA0904WA | 575/3/60 | 94,000 | 45 | 45 | 38 | 342 | 83 | 13 | 20 | 1 3/8 | 1/2 |
R-410A Models - Dual Manifolded Compressors
Product: TTA Split System Cooling
Key Features:
- ReliaTel™ controls option
- (2) Manifolded scroll compressors
- Single point power
- Compressor motor overload protection
- Compressor discharge temperature limit switch
- Control transformer
- High and low pressure cut-out switches
- Liquid line filter drier, factory installed
- Electrical phase reversal protection
- Internal pressure relief valves
- Holding charge (Dry Nitrogen)
- All aluminum microchannel coil
- Low ambient cooling to 50°F as shipped
- Low ambient cooling to 0°F with accessory head pressure control
- Mounting/lifting rails under base
- UL listed
- 5-year compressor warranty
- 1-year limited parts warranty
- Optional Extended Warranties
Model Number Description Structure:
Digits 1-3: Unit Function (TTA = Split System Cooling)
Digits 4-6: Tonnage (090 = 7.5 Tons, 120 = 10 Tons, 180 = 15 Tons, 240 = 20 Tons)
Digit 7: Refrigerant (4 = R410A)
Digit 8: Voltage (3 = 208-230VAC - 3 PH, 4 = 460VAC - 3 PH, W = 575VAC - 3 PH)
Digit 9: Refrigeration Circuit/Stage (D = 2 Compressors/2 Line/2 Stage (Duals))
Digit 10: Major Design Sequence (A = Current Design Sequence)
Digit 11: Minor Design Sequence (B = Current Design Sequence)
Digits 12-13: Service Digits
Digit 14: Efficiency Generation (A = Generation A)
Digit 15: Controls (E = Electromechanical)
Digit 16: None (0 = Not Used)
Digit 17: Coil Protection (0 = Standard Coil)
Digits 18-20: None (0 = Not Used)
Digit 21: Communications Options (0 = No Option)
Digits 22-40: None (0 = Not Used)
| Model Number | Power Supply | AHRI Net Cooling Cap. (BTUH) | Uncrated Dimensions(in.) H | W | L | Shipping Weight (lbs.) | Sound¹ Rating | Max. MCA* | Fuse* | Connection Size (in) OD Gas | OD Liq. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TTA07243D | 208-230/3/60 | 75,000 | 45 | 45 | 38 | 344 | 91 | 23 | 30 | 7/8 | 1/2 |
| TTA09043D | 208-230/3/60 | 91,000 | 45 | 45 | 38 | 380 | 91 | 33 | 45 | 1 1/8 | 1/2 |
| TTA12043D | 208-230/3/60 | 116,000 | 45 | 55 | 42 | 436 | 91 | 41 | 50 | 1 1/8 | 1/2 |
| TTA15043D | 208-230/3/60 | 150,000 | 52.1 | 55 | 42 | 504 | 93 | 55 | 70 | 1 1/8 | 1/2 |
| TTA18043D | 208-230/3/60 | 186,000 | 51.1 | 96 | 48 | 806 | 93 | 66 | 90 | 1 3/8 | 1/2 |
| TTA24043D | 208-230/3/60 | 244,000 | 51.1 | 96 | 48 | 872 | 94 | 87 | 110 | 1 3/8 | 1/2 |
| TTA07244D | 460/3/60 | 75,000 | 45 | 45 | 38 | 344 | 91 | 14 | 20 | 7/8 | 1/2 |
| TTA09044D | 460/3/60 | 91,000 | 45 | 45 | 38 | 380 | 91 | 15 | 20 | 1 1/8 | 1/2 |
| TTA12044D | 460/3/60 | 116,000 | 45 | 55 | 42 | 436 | 91 | 20 | 25 | 1 1/8 | 1/2 |
| TTA15044D | 460/3/60 | 150,000 | 52.1 | 55 | 42 | 504 | 93 | 26 | 35 | 1 1/8 | 1/2 |
| TTA18044D | 460/3/60 | 186,000 | 51.1 | 96 | 48 | 806 | 93 | 32 | 40 | 1 3/8 | 1/2 |
| TTA24044D | 460/3/60 | 244,000 | 51.1 | 96 | 48 | 872 | 94 | 40 | 50 | 1 3/8 | 1/2 |
| TTA0724WD | 575/3/60 | 75,000 | 45 | 45 | 38 | 344 | 91 | 10 | 15 | 7/8 | 1/2 |
| TTA0904WD | 575/3/60 | 91,000 | 45 | 45 | 38 | 380 | 91 | 11 | 15 | 1 1/8 | 1/2 |
| TTA1204WD | 575/3/60 | 116,000 | 45 | 55 | 42 | 436 | 91 | 14 | 15 | 1 1/8 | 1/2 |
| TTA1504WD | 575/3/60 | 150,000 | 52.1 | 55 | 42 | 504 | 93 | 19 | 25 | 1 1/8 | 1/2 |
| TTA1804WD | 575/3/60 | 186,000 | 51.1 | 96 | 48 | 806 | 93 | 25 | 30 | 1 3/8 | 1/2 |
| TTA2404WD | 575/3/60 | 244,000 | 51.1 | 96 | 48 | 872 | 94 | 31 | 40 | 1 3/8 | 1/2 |
R-22 Models
Product: TTA Split System Cooling
Key Features:
- Single point power
- Compressor motor overload protection
- Compressor discharge temperature limit switch
- Control transformer
- High and low pressure cut-out switches
- Liquid line filter drier, factory installed
- Electrical phase reversal protection
- Internal pressure relief valves
- Holding charge (Dry Nitrogen)
- All aluminum microchannel coil
- Low ambient cooling to 50°F as shipped
- Low ambient cooling to 0°F with accessory head pressure control
- Mounting/lifting rails under base
- UL listed
- 1-year limited parts warranty
- Optional Extended Warranties
Model Number Description Structure:
Digits 1-3: Unit Function (TTA = Split System Cooling)
Digits 4-6: Tonnage (090 = 7.5 Tons, 120 = 10 Tons, 180 = 15 Tons, 240 = 20 Tons)
Digit 7: Refrigerant (2 = R-22)
Digit 8: Voltage (3 = 208-230VAC - 3 PH, 4 = 460VAC - 3 PH)
Digit 9: Refrigeration Circuit/Stage (A = 1 Compressor/1 Line/1 Stage (Single), D = 2 Compressors/2 Line/2 Stage (Duals))
Digit 10: Major Design Sequence (B = Current Design Sequence)
Digit 11: Minor Design Sequence (A = Current Design Sequence)
Digits 12-13: Service Digits
Digit 14: Efficiency Generation (A = Generation A)
Digit 15: Controls (E = Electromechanical)
Digit 16: None (0 = Not Used)
Digit 17: Coil Protection (0 = Standard Coil)
Digits 18-20: None (0 = Not Used)
Digit 21: Communications Options (0 = No Option)
Digits 22-40: None (0 = Not Used)
| Model Number | Power Supply | AHRI Net Cooling Cap. (BTUH) | Uncrated Dimensions(in.) H | W | L | Shipping Weight (lbs.) | Sound¹ Rating | Max. MCA* | Fuse* | Connection Size (in) OD Gas | OD Liq. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TTA09023A | 208-230/3/60 | 90,000 | 45 | 45 | 38 | 328 | 83 | 31 | 50 | 1 3/8 | 1/2 |
| TTA12023A | 208-230/3/60 | 120,000 | 45 | 55 | 42 | 405 | 90 | 43 | 70 | 1 3/8 | 1/2 |
| TTA09024A | 460/3/60 | 90,000 | 45 | 45 | 38 | 328 | 83 | 15 | 25 | 1 3/8 | 1/2 |
| TTA12024A | 460/3/60 | 120,000 | 45 | 55 | 42 | 405 | 90 | 22 | 35 | 1 3/8 | 1/2 |
| Model Number | Power Supply | AHRI Net Cooling Cap. (BTUH) | Uncrated Dimensions(in.) H | W | L | Shipping Weight (lbs.) | Sound¹ Rating | Max. MCA* | Fuse* | Connection Size (in) OD Gas | OD Liq. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TTA18023D | 208-230/3/60 | 180,000 | 51.1 | 96 | 48 | 776 | 83 | 60 | 80 | 1 3/8 | 1/2 |
| TTA24023D | 208-230/3/60 | 240,000 | 51.1 | 96 | 48 | 922 | 90 | 78 | 100 | 1 3/8 | 1/2 |
| TTA18024D | 460/3/60 | 180,000 | 51.1 | 96 | 48 | 776 | 83 | 50 | 40 | 1 3/8 | 1/2 |
| TTA24024D | 460/3/60 | 240,000 | 51.1 | 96 | 48 | 922 | 90 | 40 | 50 | 1 3/8 | 1/2 |
R-410A Accessories
| Model | Used With | Coil (Hail/Vandal) Guard | Universal Hot Gas Bypass Kit | Rubber Isolators | Steel Spring Isolators | Service Valve Kit | Low Ambient - On/Off Fan Control | Head Pressure Control | Transducer Kit for Head Pressure Control | Trane Communication (3/4 Communications Interface) | LonTalk Communications Interface |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BAYGARD058* | TTA072, TTA090 | ✔️ | |||||||||
| BAYGARD059* | TTA120 | ✔️ | |||||||||
| BAYGARD060* | TTA150 | ✔️ | |||||||||
| BAYGARD061* | TTA180, TTA240 | ✔️ | |||||||||
| BAYGARD062* | TTA300 | ✔️ | |||||||||
| BAYHGBP010* | All models | ✔️ | |||||||||
| BAYISLT004* (blue) | TTA072, TTA090 | ✔️ | |||||||||
| BAYISLT005* (black) | TTA120 | ✔️ | |||||||||
| BAYISLT009* (red) | TTA150, TTA180 | ✔️ | |||||||||
| BAYISLT010* (green) | TTA240, TTA300 | ✔️ | |||||||||
| BAYISLT023* (red) | TTA072, TTA090, TTA120**A | ✔️ | |||||||||
| BAYISLT024* (black) | TTA120**C/D, TTA150, TTA180 | ✔️ | |||||||||
| BAYISLT025* (yellow) | TTA240, TTA300 | ✔️ | |||||||||
| BAYVALV001 | TTA0724*A, TTA0904*A, TTA1204*C | ✔️ | |||||||||
| BAYVALV003 | TTA0724*D, TTA0904*D, TTA1204*D | ✔️ | |||||||||
| BAYVALV004 | TTA1504*D | ✔️ | |||||||||
| BAYVALV005 | TTA1804*D, TTA2404*D | ✔️ | |||||||||
| BAYVALV007 | TTA1804*C, TTA2404*C | ✔️ | |||||||||
| BAYVALV008 | TTA3004*C | ✔️ | |||||||||
| BAYLOAMU01* (External Mount, small cabinets) | (all voltages) TTA072, TTA090 | ✔️ | |||||||||
| BAYLOAMU02* (Internal mount, large cabinets) | (all voltages) TTA120, TTA150, TTA180, TTA240, TTA300 | ✔️ | |||||||||
| BAYLOAM335* (208–230V, 0.5 HP, Hi-Eff Motor) | TTA072*3A, TTA090*3A | ✔️ | |||||||||
| BAYLOAM336* (208–230V, 1 HP, Hi-Eff Motor) | TTA120*3A/C/D, TTA150*3D, TTA180*3C/D, TTA240*3C/D, TTA300*3C | ✔️ | |||||||||
| BAYLOAM337* (208-230 V, 0.5HP, Hi-Eff motor) | TTA072*3D, TTA090*3D | ✔️ | |||||||||
| BAYLOAM435*(380-460V, 0.5HP Hi-Eff Motor) | TTA072*4A, TTA090*4A | ✔️ | |||||||||
| BAYLOAM436*(380-460V, 1 HP Hi-Eff Motor) | TTA120*4A/C/D, TTA150*4D, TTA180*4C/D, TTA240*4C/D, TTA300*4C | ✔️ | |||||||||
| BAYLOAM437*(380-460V, 0.5 HP Hi-Eff Motor) | TTA072*4D, TTA090*4D | ✔️ | |||||||||
| BAYLOAMW36* (575V, 1 HP, Hi-Eff Motor) | TTA120*WA/C/D, TTA150*WD, TTA180*WC/D, TTA240*WC/D, TTA300*WC | ✔️ | |||||||||
| BAYLOTR001* 5 | TTA120**D, TTA150**D | ✔️ | |||||||||
| BAYICSI003* | All Models | ✔️ | |||||||||
| BAYLTCI002* | All Models | ✔️ |
1 Cycles fan on/off (no modulating). 2 Quantity of 1 required for each fan (2 total for ton and larger). 3 ReliaTel™ requires onboard EDC function to be disabled when BAYLOAM is used, remove OA sensor from terminal J8-1&2. 4 Kit mounts external to the outdoor unit and operates by sensing ambient and liquid line temperatures. 5 BAYLOTR001 required when modulating BAYLOAM kits used with units that have 2 compressors (dual circuit) and 1 condenser fan.
Control Options
ReliaTel™ Control Options
| Model Number | Description | Used With |
|---|---|---|
| BAYSENS107 | Zone Sensor, Set Point Adj, Fan, System, EH, ED | TTA072-TTA300 with ReliaTel™ Controls |
| BAYSENS109 | Zone Sensor, 2 Set Point Adj, Fan, System, EH, ED | TTA072-TTA300 with ReliaTel™ Controls |
| BAYSENS119 | Digital Programmable Zone Sensor | TTA072-TTA300 with ReliaTel Controls |
| BAYSENS135 | Digital Non-Programmable Zone Sensor | TTA072-TTA300 with ReliaTel Controls |
| BAYSENS106 | Zone Sensor, Set Point, Fan, System | TTA072-TTA300 with ReliaTel™ Controls |
| BAYSENS108 | Zone Sensor, 2 Set Point, Fan, System | TTA072-TTA300 with ReliaTel™ Controls |
| BAYSENS110 | Zone Sensor, 2 Set Point, Fan, System, ED | TTA072-TTA300 with ReliaTel™ Controls |
Electromechanical Control Options
| Model Number | Description | Used With |
|---|---|---|
| TCONT102AN11AA | 1H/1C Non-Programmable Thermostat | TTA072A, TTA090A |
| TCONT103AN21HA | 2H/1C Non-Programmable Thermostat | TTA072A, TTA090A |
| TCONT402AN32DA | 3H/2C Non-Programmable Thermostat | ALL |
| TCONT202AS11MA | 1H/1C Programmable Thermostat | TTA072A, TTA090A |
| TCONT302AS42DA | 4H/2C Touchscreen Programmable Thermostat | ALL |
| TCONT303AS42DA | 4H/2C Touchscreen Programmable Thermostat, Humidity Sensor | ALL |
| BAYSTAT814A | Picot Smart Thermostat | ALL |
Protection/Operation Timings and Features (ReliaTel™ Controls)
- Anti Short Cycle Timer (ASCT) Function: Provides a three (3) minute minimum "ON" time and a three (3) minute minimum "OFF" time for compressors, enhances compressor reliability by ensuring proper oil return. Standard.
- Built In Fan Delay Relay (FDR) Function: Provides custom indoor fan timing sequences for the different types of equipment, enhancing efficiency and reliability. Standard.
- Built In Night Set Back and Unoccupied Functions¹: When using a standard dual setpoint/auto change over Zone Sensor Module (ZSM), this function is enabled by applying a short across terminal J6-11 and J6-12. Sets cooling setpoint up a minimum of 7°F, sets heating setpoint back a minimum of 7°F, and forces fan operation to automatic. (requires time clock accessory or field supplied/ installed switch or contacts).
- Built In "TEST" Mode: Aids in quick verification of system and control operation, exercises both hardware and software (no special tools required). Standard.
- Built In Unoccupied Mode¹: When using a standard single setpoint/manual change over Zone Sensor Module (ZSM), this function is enabled by applying a short across terminal J6-11 and J6-12. Forces fan operation to automatic. (requires time clock accessory or field supplied/installed switch or contacts.)
- Direct Digital Control (DDC)¹: Proportional Integral (PI) control. Proportional – sets corrective action proportional to deviation from setpoint. Integral – fine tunes the rate of corrective action proportional to the error (results in superior space temperature control). Standard.
- Increased Reliability: Fewer components (moving electromechanical parts), less likelihood of equipment down time or failure. Standard.
- Integral Electric Heat Staging¹: Stages electric heaters "OFF" and "ON", eliminating the use of outdated sequencers. Standard.
- Intelligent Fallback¹: A built in Default Control provides adaptive operation, which allows the equipment to continue to operate, providing comfort in the event of certain component failures. Also, allows emergency operation without a Zone Sensor Module (ZSM). Standard.
- On Board Diagnostics¹: Assist with equipment troubleshooting, if a problem occurrence should take place. Standard.
- Remote Sensing¹: All standard Zone Sensor Modules (ZSMs) have remote sensing capabilities, typically achieved by using an expensive program-mable thermostat and remote sensor with electromechanical equipment. Accessory (requires use of remote sensor).
- Space Temperature Averaging¹: All standard Zone Sensor Modules (ZSMs) have space temperature averaging capabilities, typically achieved by using an expensive programmable thermostat and minimum of four (4) remote sensors with electromechanical equipment. Averaging with ReliaTel™ can be achieved with two (2) sensors.
- Time Delay Relay (TDR) Function: Provides an incremental staging delay between compressors, minimizes equipment current inrush and consumption by keeping compressors from starting simultaneously. Standard.
- Low Pressure and High Pressure Compressor Lockout: 3 trips will lockout control.
- Low Ambient Start Timer (LAST) Function: Bypasses low pressure control when a compressor starts, eliminating nuisance compressor lock outs. Standard.
- Lower Installation Cost: Using a standard Zone Sensor Module (ZSM), control voltage wiring may be run up to five (5) times further than any electromechanical system, with no increase in wire gauge. Example: Electromechanical System – 30 feet maximum using 22 gauge wire. Micro Control System – 150 feet using 22 gauge wire. Standard.
Comparison with ReliaTel™ RTRM Thermostat Interface:
When the ReliaTel™ RTRM Thermostat Interface is used, equipment operation differs significantly. The basic equipment protection features remain intact, and the following features and benefits are lost:
- Direct Digital Control (DDC) – Proportional Integral (PI) control is lost; equipment is controlled by a thermostat or generic building automation system device.
- Intelligent Fallback is lost; if a failure occurs in the device controlling the equipment, operation will cease.
- Installation is more costly, with the addition of a thermostat or generic control, the control wiring size must be increased.
- Remote Sensing capabilities are lost, unless generic control being applied can accomplish this.
- Space Temperature Averaging capabilities are lost, unless generic control being applied can accomplish this.
- Built In Night Set Back and Unoccupied functions are lost, unless generic control being applied can accomplish this.
- Built In Unoccupied Mode is lost, unless generic control being applied can accomplish this.
¹ Denotes features lost from utilizing standard conventional stat.
For complete equipment / combination selections, installation instructions and warranty information, please refer to Product Data/Ratings and/or Installers Guides and Limited Warranty Handbooks.
