Technicial_Exhibit_5.13-002_Chiller_Annual_Inspection_Checklist.docx
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TE 5.13-002
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Chiller Annual Inspection Checklist
1. Chillers.
a. Test for refrigerant leaks including relief valve piping outlets and rupture disc. b. Check main starter and control panel.
c. Inspect and tighten electrical connections.
| d. | Checked relays, operating, and safety controls. e. | Check flow switch operation. |
| f. | Lubricate inlet vane linkage, if applicable. g. | Check vane control setting and operation. |
| h. | Take and record water side pressure drops across vessels. i. | Perform controls check. |
| j. | Meg compressor and oil pump motors. |
k. Clean oil cooler strainer, water cooled only. l. Check oil sump heater operation.
m. Perform oil analysis for wear (metals), moisture, acid.
n. Inspect vibration eliminators and inspect water piping for leaks. o. Clean condenser water strainer(s).
p. Check head pressure control operation for tower fans or bypass valve. q. Check minimum condenser water temperature operation.
r. Clean purge / replace filters.
s. Check purge for proper operation.
t. Eddy current test shall be performed on 10 chillers (as designated by COR) per year.
u. Check all chilled water, condenser water, and steam lines for leaks at joints, packings, stems, and bonnet gaskets.
Co n tract
N o
T e c hn ical
E x h ibit
P a g e
Chiller Annual Inspection
2 Towers
a. Check sump heaters.
| b. | Check for scaling and corrosion. c. | Check pitch of fan blades. |
| d. | Check integrity of basin, skid and structural components. e. | Check float valves. |
| f. | Check gearboxes/transmissions. g. | Check fan shafts. |
| 3. | Pumps (Condensate, Condenser and Circulating) |
| a. | Check alignment of shaft and couplings and couplings for slippage. b. | Check pump housing and impeller. |
| c. | Perform vibration analysis and compare to previous analysis (for condenser and circulating pumps only). |
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