Installation Operation Maintenance - Trane

1 InstallationOperationMaintenanceSplit System Heat Pump Condensers7 1/2 - 20 TonsFebruary 2004 Models:(60 Hz)TWA090A**FTWA120A**FTWA180B**FTWA240B **FTWA-SVX01A-EN18-BC60D5(50 Hz)TWA075AD**FTWA100AD**FTWA155BD**FTWA2 00BD**F2 TWA-SVX01A-ENIntroductionLiterature Change HistoryTWA-SVX01A-EN (May 2003)Compressor ChangesTWA-SVX01A-EN (January 2004)Compressor LRA of ManualNote: One copy of this documentships inside the control panel ofeach unit and is customerproperty. It must be retained bythe unit s Maintenance booklet describes properinstallation, Operation , and maintenanceprocedures for air cooled systems. Bycarefully reviewing the information withinthis manual and following theinstructions, the risk of improperoperation and/or component damagewill be is important that periodic maintenancebe performed to help assure trouble freeoperation.

2 A Maintenance schedule isprovided at the end of this equipment failure occur, contacta qualified service organization withqualified, experienced HVAC techniciansto properly diagnose and repair :Warnings and Cautions appear atappropriate sections throughout thismanual. Read these Indicates apotentially hazardous situationwhich, if not avoided, could result indeath or serious Indicates apotentially hazardous situationwhich, if not avoided, may result inminor or moderate injury. It may alsobe used to alert against Indicates a situationthat may result in equipment orproperty-damage-only NOTE: All phases of thisinstallation must comply with theNATIONAL, STATE & LOCAL CODES. Inaddition to local codes, the installationmust conform with National ElectricCode -ANSI/NFPA NO.

3 70 : Do Not release refrigerantto the atmosphere! If adding orremoving refrigerant is required,the service technician mustcomply with all federal, state, andlocal Number Description .. 4 Unit Dimensions .. 5,6,7 electrical data .. 8 Unit Inspection .. 9 Initial Leak Test .. 9 Lifting Recommendations .. 9 Clearances .. 9 Snow Belt Mounting .. 10 Unit Mounting .. 10 Refrigerant Piping .. 11 Leak Check .. 12 System Evacuation .. 12 Refrigerant Charging Procedure .. 12 electrical Wiring .. 13 Low Voltage Wiring .. 13 Typical Split System Heat Pump Diagram .. 14 Typical Field Wiring .. 15 Safety Controls .. 16 Installation Checklist .. 16 Sequence of Operation .. 17 Maintenance .. 19 Warranty .. 21/224 TWA-SVX01A-ENModel Number DescriptionAll products are identified by a multiple-character model number that preciselyidentifies a particular type of unit.

4 Anexplanation of the alphanumericidentification code is provided below. Itsuse will enable the owner/operator,installing contractors, and serviceengineers to define the Operation ,specific components, and other optionsfor any specific ordering replacement parts orrequesting service, be sure to refer tothe specific model number, serialnumber, and DL number (if applicable)stamped on the unit System Condensing Unit Model NomenclatureT W A0 9 0A10 0EA1 2 34 5 6789 101112 Digits 1, 2, 3 - Product TypeDigit 8 - electrical CharacteristicsTWA= Split System Heat Pump3 =208-230/60/3 Outdoor Unit4 =460/60/3W =575/60/3 Digits 4, 5, 6 - Nominal Gross Cooling Capacity (MBh)D =380-415/50/3 90 = 90 MBH120 = 120 MBHD igit 9, 10 - Factory - Installed Options180 = 180 MBH240 = 240 MBH00 =Secondary Capacity and/orFactory installed OptionsDigit 7- Major Development SequenceDigit 11- Minor Design SequenceDigit 12- Service DigitModel Number DescriptionTWA-SVX01A-EN5 Unit DimensionsFigure 1 - TWA075A, TWA090 ADimensional data , Connection Locations, Clearances, Corner WeightsFigure 2 - TWA100A, TWA120 ADimensional data , Connection Locations, Clearances, Corner Weights6 TWA-SVX01A-ENUnit DimensionsFigure 3 - TWA155B, TWA180 BDimensional data , Connection Locations, Clearances, Corner WeightsTWA-SVX01A-EN7 Unit DimensionsFigure 4 - TWA200B, TWA240 BDimensional data .

5 Connection Locations, Clearances, Corner Weights8 TWA-SVX01A-ENTable 1 - TWA Unit electrical data Basic Unit CharacteristicsCompressor MotorOutdoor Fan MotorAllowableMinimumMaximumModel ElectricalVoltage CircuitFuse Amps HPFLALRATWA090A3208-230/60 DataTWA-SVX01A-EN9 Installation procedures should be performed in thesequence that they appear in this manual. Do not destroy orremove the manual from the unit. The manual shouldremain weather-protected with the unit until all installationprocedures are : It is not the intention of this manual to cover all possiblevariations in systems that may occur or to providecomprehensive information concerning every possiblecontingency that may be encountered during an Installation .

6 Ifadditional information is required or if specific problems arisethat are not fully discussed in this manual, contact your localSales : Warnings and Cautions appear at appropriateplaces in this manual. Your personal safety and the properoperation of this machine require that you follow themcarefully. The Company assumes no liability for installations orservicing performed by unqualified ChecklistAn Installation Checklist is provided at the end of theinstallation section of this manual. Use the checklist to verifythat all necessary Installation procedures have beencompleted. Do not use the checklist as a substitute for readingthe information contained in the manual. Read the entiremanual before beginning Installation InspectionInspect material carefully for any shipping damage.

7 Ifdamaged, it must be reported to, and claims made against thetransportation company. Compare the information thatappears on the unit nameplate with ordering and submittaldata to insure the proper unit was shipped. Available powersupply must be compatible with electrical characteristicsspecified on component nameplates. Replace damaged partswith authorized parts ChecklistTo protect against loss due to damage incurred in transit,complete the following checklist upon receipt of the unit.[ ] Inspect individual pieces of the shipment before acceptingthe unit. Check for obvious damage to the unit or packingmaterial.[ ] Inspect the unit for concealed damage before it is storedand as soon as possible after delivery.

8 Concealed damagemust be reported within 15 days. If concealed damage isdiscovered, stop unpacking the shipment. Do not removedamaged material from the receiving location. Take photosof the damage if possible. The owner must provide reason-able evidence that the damage did not occur after delivery.[ ] Notify the carrier s terminal of damage immediately byphone and by mail. Request an immediate joint inspectionof the damage by the carrier and the consignee.[ ] Notify the sales representative and arrange for repair. Donot repair the unit until the damage is inspected by thecarrier s Leak TestAll TWA units are shipped with a holding charge of nitrogenin each circuit. Remove the compressor access panel(s)shown in Figure 1, Figure 2 or Figure 3.

9 Locate the liquid lineor suction line service valve for each circuit. Install gauges todetermine if the circuits are still pressurized. If not, the chargehas escaped. Repair as required to obtain a leak-free RecommendationsBefore preparing the unit for lifting, estimate the approximatecenter of gravity for lifting safety. Because of placement ofinternal components, the unit weight may be unevenlydistributed. Approximate unit weights are given in Table 2. Total Unit Weight and Corner Weights (lbs)Total Unit Weight and Corner Weights (lbs)ShippingNetModelMaximum Maximum#1#2#3#4 TWA090A390343112 896379 TWA075 ATWA120A502443149 116 78100 TWA100 ATWA180B816740195 186 175 184 TWA155 BTWA240B934849253 250 173 173 TWA200 BCorner Weights ON-SIGHT LIFTINGEQUIPMENT MUST BE CAPABLE OF LIFTING THEUNIT WEIGHT WITH AN ADEQUATE SAFETY USE OF UNDER-CAPACITY LIFTING DEVICESMAY RESULT IN SEVERE PERSONAL INJURY ORDEATH AND CAN SERIOUSLY DAMAGE THE UNITThe crated unit can be moved using a forklift of suitablecapacity.

10 For lifting the unit, attach lifting straps or slingssecurely to the lifting holes at each corner. Use spreaderbars to protect the unit casing from damage. Test lift the unit todetermine proper balance and : Use spreader bars to prevent lifting strapsfrom damaging the unit. Install bars between liftingstraps. This will prevent the straps from crushing theunit cabinet or damaging the unit enough space around the unit to allow unrestrictedaccess to all service points. Refer to Figure 1 and Figure 2 forunit dimensions and minimum required service and free airclearances. Observe the following points to insure proper Do not install the unit under a low overhang. Condenserdischarge must not be restricted.