Attachment 1 Salient Chiller AFTAC Trane Renewal.pdf

PATRICK SPACE FORCE BASE AFTAC TRANE CHILLER RENEWAL

Rafael R. Lopez, GS-09 USSF 45 CES/CEOIH Rafael.lopez.18@spaceforce.mil

Abstract Salient Characteristics for Renewal of Trane Chiller

NEED/ REQUEST FOR AFTAC Building 10992 Preventative Maintenance Chiller Maintenance

The request is to perform Trane Renewal to AFTAC Chiller 3 (Serial # L12J03568). This process is a ten (10) year preventive maintenance process as per the manufacture. Chiller 3 has reached its tem (10) year preventive maintenance schedule. The chiller provides necessary equipment and comfort cooling to the facility that is home to the Air Force technical Application Center. All equipment in the facility must have and maintain a 65°F-70°F +/- 2°F degree condition space as well as a 20-30% relative humidity.

SALIENT CHARACTRERISTIC OF TRANE RENEWAL SERVICE

Recover the existing refrigerant within the chiller.

Set up rigging to disassemble chiller.

Disassemble chiller and remove compressor motor.

Disassemble compressor motor and provide inspection.

Replace bearings and bearing caps.

Reassemble compressor motor.

Analyze refrigerant per circuit using Trane Chemical Laboratory.* Inspect and verify the inlet guide vane assemblies, labyrinth seals, and the impellers compared to Trane specifications.* Verify and adjust the controls and measuring devices.

Clean and inspect the lubrication system including the oil pump, regulator, filters, heating elements, and sump.

Clean and inspect the economizer and liquid line flanges (recommend repair as necessary*).

Reassemble the centrifugal compressor, auxiliary vapor and liquid lines, and sight glasses with all new Trane gaskets.

Replace oil pump and motor.

Clean and verify purge operations.

Remove condenser and evaporator heads.

Perform eddy current testing for both condenser and evaporator sections.

Re-install condenser and evaporator heads.

Replace motor terminal board.

Install motor terminal board using new Trane approved gaskets and terminal O-rings.

Replace relief valve carbon disk and gasket.

Evacuate chiller and leak test to Trane specifications.

Charge with refrigerant and adjust charge as necessary (any additional refrigerant required must be provided by the Owner. Owner's approval will be required if refrigerant cleaning or additional refrigerant is needed.)

Start-up and operation check by certified Trane technician.

Perform vibration analysis and balance for the compressor at chiller start-up.

Verification of operating parameters and adjustment of the chiller as per its original specifications.

Repair insulation that was previously removed.

Include Trane two (2) year extended warranty on compressor motor, bearings, and lubrication system.

Install Trane R'newal nameplate indicating Trane issues CenTraVac compressor R’newal serial number.

Include two (2) year factory parts and labor warranties.