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DocuSign Envelope ID:ADEBEBD3-B8CO-4D3F-8AF9-3C463F9F88ED <br /> Tfademasters Services, Incorporated Invoice <br /> 919-382-3332 (fax) <br /> 5012 Neal Road Date Invoice# <br /> Durham,NC 27705 7/9/2019 10729 <br /> Bill To Ship To <br /> Orange County Sheriff's Department <br /> Asset Management Set-vices 106 E.Margaret Lane <br /> ATTN:Allison Cooper Hillsborough,NC 27278 <br /> 131 W.Margaret Ln. <br /> Hillsborough,NC 27778 <br /> P.O. No. Terms Job# Project <br /> Due on receipt 190355-SD-13 Conference room not cooling <br /> Description Qty Rate Amount <br /> 6-20-19 Dustin called in stating that the conference roam inside <br /> the sheriffs office was not cooling.When 1 arrived,I started the unit <br /> up and found it to be low on refrigerant.I then added the customens <br /> refrigerant to circuit one until the proper superheat was achieved. <br /> Dustin then informed me the unit had been leaking refrigerant and <br /> would like for me to find the leak.I then leak checked the unit with <br /> soap bubbles and a electronic leak detector.No leaks were <br /> identified.I then put dye in the system and allowed it to run for <br /> awbilc and checked it with a UV light but still no leaks were found. <br /> I informed Dustin we would return next week to re check it with the <br /> UV light after it had more runt time. <br /> 6-25-19 Met with Dustin and leak checked the unit serving the <br /> conference room with a UV light as dye was added the week before. <br /> Located the leak and it was located in between the two coils where a <br /> pipe had rubbed a]tole in a U-bend.Recovered the refrigerant from <br /> circuit 1 and repah-ed the leak.Pressurized the eircuit with nitrogen <br /> and it held 250 psi for 30 minutes.Pulled a vacuum of 500 microns <br /> on the circuit and recharged with the recovered refrigerant and 1 <br /> added 3 lbs of customer supplied refrigerant to complete a factory <br /> charge of 12[Its,Started the unit and it operated properly at this <br /> time discharging 56 degree air. <br /> Tube of dye 1 22.00 22,OOT <br /> Brazing materials 30.00 30.00T <br /> If you have any questions,please e-mail Accounts_-Receivable®trademastersne.cont or call <br /> 919-382-3330. Subtotal <br /> Any unpaid invoices more than 30 days past due wiii be subject to a change of 1.5%per <br /> month which is an 18%annual rate. Sales Tax (0.0%) <br /> A 4%credit card transaction processing fee wilt be dpplied to invoices paid by A 4FX,MC, <br /> or VISA. Total <br /> 'Bank you for your business! <br /> DW'W - - Payments/Credits <br /> 7- 15-Ic, Balance Due <br /> Page 1 <br />