Trane TTA075AD series Installation Operation & Maintenance Download Page 28 | Manualshive

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28

Maintenance Log*

Date Ambient

Evaporator

Temp.

Entering Air

Compressor

Superheat

Subcooling

(F)

Dry

Wet

Suction

Discharge

Circuit #1

Circuit #1

Bulb

Bulb

Pressure

Pressure

(F)

(F)

Perform each inspection once per month (during cooling season) while unit is operating.

Maintenance

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Summary of Contents for TTA075AD series

Page 1: ...ensers 7 1 2 20 Tons September 2004 Models 60 Hz TTA090A F TTA120A F TTA120B E TTA120C G TTA150B E TTA180B F TTA180C G TTA240B F TTA SVX02C EN 18 AC60D8 1 50 Hz TTA075AD F TTA085AD F TTA100AD F TTA100...

Page 2: ...at the end of this manual Should equipment failure occur contact a qualified service organization with qualified experienced HVAC technicians to properly diagnose and repair this equipment NOTICE War...

Page 3: ...ing Procedure 14 Electrical Wiring 15 Low Voltage Wiring Electromechanical 16 Low Voltage Wiring ReliaTel 17 ReliaTel thermostat zone sensor and night setback wiring 18 Typical Split System Cooling Di...

Page 4: ...nsing Unit Model Nomenclature T T A 0 9 0 A 3 0 0 B A 1 2 3 4 5 6 7 8 9 10 11 12 Digits 1 2 3 Product Type Digit 8 Electrical Characteristics TTA Split System Cooling 3 208 230 60 3 4 460 60 3 Digits...

Page 5: ...2C EN 5 Figure 1 TTA075A TTA090A Dimensional Data Connection Location Clearances Corner Weights Figure 2 TTA085A TTA100A TTA120A Dimensional Data Connection Location Clearances Corner Weights Unit Dim...

Page 6: ...EN Figure 3 TTA100B TTA120B TTA125B TTA150B Dimensional Data Connection Location Clearances Corner Weights Figure 4 TTA100C TTA120C Dimensional Data Connection Location Clearances Corner Weights Unit...

Page 7: ...TTA SVX02C EN 7 Figure 5 TTA155B TTA180B Dimensional Data Connection Location Clearances Corner Weights Unit Dimensions...

Page 8: ...8 TTA SVX02C EN Figure 6 TTA155C TTA180C Dimensional Data Connection Location Clearances Corner Weights Unit Dimensions...

Page 9: ...TTA SVX02C EN 9 Figure 7 TTA200B TTA240B Dimensional Data Connection Location Clearances Corner Weights Unit Dimensions...

Page 10: ...22 0 156 0 1 1 6 0 17 0 TTA150B4 460 60 3 414 506 25 2 35 2 10 0 70 0 1 1 2 7 7 0 TTA150BK 380 60 3 342 418 27 5 35 2 10 7 70 0 1 1 3 4 7 8 TTA150BW 575 60 3 518 632 20 5 25 2 8 2 54 0 1 1 2 0 5 7 TT...

Page 11: ...cealed damage is discovered stop unpacking the shipment Do not remove damaged material from the receiving location Take photos of the damage if possible The owner must provide reason able evidence tha...

Page 12: ...h State of California law Proposition 65 This product contains fiberglass wool insulation Fiberglass dust and ceramic fibers are believed by the state of California to cause cancer through inhalation...

Page 13: ...n seal caps and open the service valve slowly to release the nitrogen from the unit CAUTION Do not remove the seal caps from refrigerant connections until prepared to braze refrigerant lines to the co...

Page 14: ...pump and observe the micron gauge If gauge pressure rises above 500 microns in one 1 minute then evacuation is incomplete or the system has a leak 6 If vacuum gauge does not rise above 500 microns in...

Page 15: ...L IS REMOVED AND POWER IS APPLIED TO THE UNIT FAILURE TO OBSERVE ALL SAFETY PRECAUTIONS COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH 2 Turn on power to the unit Allow the system to run for five to...

Page 16: ...4 VOLTS 2 WIRES FOR SINGLE PHASE ONE STAGE ELECTRIC HEAT ADD 1 ADDITIONAL WIRE 24 VOLTS C COOLING ONLY THERMOSTAT 4 WIRES 24 VOLTS TWO STAGE ELECTRIC HEAT ADD 2 ADDITIONAL WIRES 24 VOLTS ONE STAGE ELE...

Page 17: ...TTA120A TWE240B B 3 POWER WIRES LINE VOLTAGE FOR 3 PHASE FIELD WIRING 2 WIRES FOR SINGLE PHASE A 3 POWER WIRES LINE VOLTAGE C COOLING ONLY THERMOSTAT 4 WIRES 24 VOLTS B 3 POWER WIRES LINE VOLTAGE FOR...

Page 18: ...18 TTA SVX02C EN Figure 8 Night Setback Panel Field Wiring Figure 9 Zone Sensor Field Wiring Figure 10 Thermostat Field Wiring Installation...

Page 19: ...TTA SVX02C EN 19 Installation Figure 11 Typical Split System Cooling...

Page 20: ...pressor will cycle back on Internal Overload Protector IOL This device is a current thermal actuated warp switch imbedded in the compressor motor windings It will shut off the compressor if the temper...

Page 21: ...Indoor Supply Air TheevaporatorfaniscontrolledbyanON AUTOswitchon theroomthermostat WiththeswitchpositionedatAUTOand thesystemoperatinginthecoolingmode fanoperation coincideswiththecoolingruncycles If...

Page 22: ...control algorithmscallingforadditionalcooling For Thermostat Control Whentheroomthermostatsystemswitchispositionedat COOL andthefanswitchisat AUTO theRTRMenergizes the compressor relay coil located on...

Page 23: ...esistance Test Mode This method can be used for start up providing a decade box for variable resistance outputs is available This method initiates the different components of the unit one at a time wh...

Page 24: ...hat mode for up to one hour while trouble shooting Refer to the sequence of operations for each mode to assist in verifying proper operation Make the necessary repairs and proceed to Steps 7 and 8 7 I...

Page 25: ...n switch at the zone sensor to the OFF position After approxi mately 30 seconds turn the MODE selection switch to the desired mode i e HEAT COOL or AUTO Method 2 To reset the system at the unit cycle...

Page 26: ...nsor Test Testing serial communication voltage 1 Verify 24 VAC is present between terminals J6 14 J6 11 2 Disconnect wires from J6 11 and J6 12 Measure the volt age between J6 11 and J6 12 should be a...

Page 27: ...t from the unit casing 4 Remove corrosion from any surface and repaint Check the gasket around the control panel door to insure it fits cor rectly and is in good condition to prevent water leakage 5 I...

Page 28: ...porator Temp Entering Air Compressor Superheat Subcooling F Dry Wet Suction Discharge Circuit 1 Circuit 1 Bulb Bulb Pressure Pressure F F Perform each inspection once per month during cooling season w...

Page 29: ...toflostrefrigerant No liabilityshallattachtoWarrantoruntilproductshavebeenpaidforandthenliability shallbelimitedsolelytothepurchasepriceoftheequipmentunderwarrantyshown tobedefective THE WARRANTY AND...

Page 30: ...roductsnotconformingtothiswarranty Warrantorshallnotbeobligatedtopayforthecostoflostrefrigerant Noliability whatevershallattachtoWarrantoruntilsaidproductshavebeenpaidforandthen saidliabilityshallbeli...

Page 31: ...31...

Page 32: ...ous product and product data improvement and reserves the right to change design and specifications without notice Literature Order Number File Number Supersedes Stocking Location TTA SVX02C EN Webb M...

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