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--- cluster:178 [2019/08/26 15:29]
hmeij07 [New design]
+++ cluster:178 [2019/09/23 13:03]
hmeij07 [Sept Photos]
@@ Line 31: / Line 31: @@
 ⦁	ROI of 7-8 years\\
+[[https://www.vertiv.com/en-us/support/tools-applications/free-cooling-economizer-calculator/|Vertiv Free Cooling Calculator]] 80 degree return air (conservative) with 70% load rates full free cooling hours are at 44% for Bridgeport and 48% for Hartford. So the expected 40% lsted aboveis low water mark as that percentage goes up if return air gets hotter. At 85 degree it yields between 53-56%.
 ===== Tech Summary =====
@@ Line 244: / Line 245: @@
 {{:cluster:pp-crac1-small.jpg?nolink&300|}} Old CRAC1 removed, new frame installed\\
+===== Sept Meetings =====
+**09/05**
+New electrician but critical work coming up\\
+Missing one track sensor\\
+CARC1 installed, piping finish and leak test\\
+New CRAC1 power up 9/19 by Liebert with owner training\\
+Duct work and dampers install today\\
+**09/19**
+Cancelled
+===== Sept Photos =====
+{{:cluster:100_2396_small.jpg?nolink&300|}} 5-6 feet cold aisle \\
+{{:cluster:100_2402_small.jpg?nolink&300|}} Tour Guide \\
+{{:cluster:100_2407_small.jpg?nolink&300|}} New CRAC1 pressurizing\\
+{{:cluster:100_2409_small.jpg?nolink&300|}} L-room return damper to hot aisle \\
+{{:cluster:100_2410_small.jpg?nolink&300|}} 1of2 L-Room cold air supply damper \\
+{{:cluster:100_2414_small.jpg?nolink&300|}}
+{{:cluster:100_2416_small.jpg?nolink&300|}} Aiy. Drilling asbestos hot tiles \\
+{{:cluster:100_2420_small.jpg?nolink&300|}} 10/19 Startup delayed \\
+{{:cluster:100_2424_small.jpg?nolink&300|}} Cold aisle floor tile replacements\\
 **[[cluster:0|Back]]**

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