LAN Room and Wiring Closet Cooling Presented by

LAN Room and Wiring Closet Cooling Presented by Jim Magallanes Techni. Cool Innovations Inc. jim@CRuptime. com 1811 Upham Street Suite B-1, Broomfield CO 80020 303 -908 -8043 Phone / 888 -883 -8353 Fax www. CRuptime. com

Outline p Wiring Closet – General Description p Electronic Equipment Trends p Cooling Load p Best Cooling Practices p Cooling Solutions n n n p Portable Systems Mini Split Systems A/C Computer Cabinet Systems A/C Ceiling Systems Precision Ceiling Systems Conclusion Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Wiring Closet – General Description p Wiring Closet - Critical subsystem of a network environment n Small Room with Servers/Telecom/Electrical Equipment/ UPS p p p Floor Space is a Premium: <100 ft 2 Contents: 1 – 3 Equipment Racks Heat Load per Rack: 1. 0 - 2. 0 k. W Avg. Typical Cooling: None or Building Cooling During Day Remote location of building Security: Medium § Locked Door and/or Locked Cabinet n “The average wiring closet contains $150, 000 - $300, 000 of equipment and a typical small server room often houses more than three times that amount. ” - Mitch Medford, Net. Botz CTO Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Electronic Equipment Trends p Power = Heat n Servers p Blade Servers § Smaller & More Powerful n IP & VOIP Telecom Equip p High-powered switches and equipment § Low-powered legacy p p Requires UPS support Overheated IT equipment n n n Figure: Product Heat Density Chart (The Uptime Institute) Reduced Life / Hardware Damage Reduced Reliability Slower Network Costly System Downtime General Rule p Every 10°C temperature rise in nominal temperatures produces a 50% reduction in the lifetime and long-term reliability of IT hardware - MIL-HDBK 217 / Arrhenius Models Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

LAN Room Heat Problem p Businesses dependent on computers and telecom equipment for day-to-day operations n Need to keep IT equipment cool p p p ASHRAE Technical Committee 9. 9 Thermal Guidelines § Inlet Temperatures § Costly to rely on building A/C Data Centers ASHRAE – Thermal Guidelines for Data Processing Environments § Upper range temperatures acceptable Tight controls/monitoring § Redundancy § p LAN Room/Wiring Closets § Temperatures in the upper 60 Fs/lower 70 s are practical Looser controls/monitoring § No redundancy § Jim Magallanes Ceiling-Mount A/C : Cost Effective Solution for Server Rooms

Cooling Load p Determining the cooling load in a wiring closet n Incremental load from equipment p Nameplate rating § Usually overstated p ASHRAE TC 9. 9: Load during operating conditions § Not yet adopted by manufacturers n Determine cooling load from UPS load p p Load from all equipment connected to the UPS Dependent on day and time § Monitor over a period time to get worst case scenario n Other sources of heat p p Lights/windows/outside wall/etc… Electrical power to rejected heat conversion n 1 k. W = 3, 413 Btu/hr. p Jim Magallanes 12, 000 Btu/hr = 1 ton of A/C LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions & Best Cooling Practices p Cooling Solutions n Primary cooling for IT equipment p n Nights & Weekends when building a/c is off p n p Added denser IT equipment Seasonal: Summer or Winter Redundancy / Emergency backup to primary cooling p p Shut down building a/c when people are not in the building Supplemental Cooling p n LAN Room/Wiring Closet is not air conditioned Planned or unplanned shut downs: Inexpensive insurance plan Best Practices n Spot Cool vs. Traditional A/C p Managing Air Movement § Direct cold air to front of server: Airflow = Front to Back § Telecom equipment: Airflow = Side to Side p Do not cool down the entire room § Back of the rack: Up to 36°F Hotter n Use blanking panels p n Unoccupied rack space: Recirculation of warm air Organize cabling p Jim Magallanes Maximize airflow LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Portable Systems p Portable Systems n A self contained packaged air conditioner that is on wheels and is easily movable to spot cool “hot spots” p p Power: 115 VAC, 230 VAC, & 460 VAC Heat rejection: Ceiling plenum Air or water cooled Condensation removal § Tank: Emptying depends on humidity § Pump: Drain/sink/water line n End-user Installation p p n Connect accessories (15 – 20 minutes) Non-standard applications may require contractor Cooling Capacity p Jim Magallanes 1 – 5 Ton units available LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Portable Systems p Portable system features n n Wide cooling capacity range Voltage: 115 V, 230 V, or 460 V n n Condensation removal n n n Tank: Empty periodically Pump to drain/sink/water line Operational features n n n Approx. 1. 5 Tons at 115 V Automatic Restart Air delivery n Grille or nozzle Ducting Capabilities n n Jim Magallanes Exhaust n Long ducting runs Return/Make-up Air LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Portable Systems p Pros n n n p Low cost Relocate unit from room to room Moves with tenant Little installation required No outdoor equipment Cons n n Floor space required Small heat load on building’s A/C p n Condensate removal p n Typically not a problem Tank or pump No Humidity Controls Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Mini Split Systems p Mini Split Systems n Consists of 2 units connected by refrigerant lines p Indoor Unit – Inside the wiring closet § Discharges cold air p Refrigerant lines § Transfers heat to the outdoor unit p Outdoor Unit – Outside the building § Discharges hot air to the environment p Designed for comfort cooling § High latent cooling § n Contractor Installation p p n Removes moisture from air Mounting/electrical/refrigerant lines/condensate line System comes with pre-charged refrigerant lines Cooling Capacity p Jim Magallanes 1 – 3 Ton units available LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Mini Split Systems Installation Guidelines Wiring Closet Indoor Unit Outside Building Refrigerant Lines 70 FT 25 FT Outdoor Unit Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Mini Split Systems p Pros n n n p Low cost No floor space required No affect on building’s A/C system Cons n n Comfort cooling Location Restrictions p p n Landlord Approval p n n n Leasehold improvement No Humidity Controls Reliability p n Maximum height difference: 25 Ft Maximum piping length: 70 Ft Possible leaks at quick-connect Condensate removal Does not work in extreme low temperatures Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – A/C Computer Cabinet p Air Conditioned Computer Cabinet n A standard 19” computer cabinet housing a self contained packaged air conditioner p p p Power: 115 VAC and 230 VAC Heat rejection: Ceiling plenum Condensation removal § Pump: Drain/sink/water line § Evaporative: Exhausts condensation in warm condenser air p n End-user Installation p n Delivers data center infrastructure to LAN room/wiring closet Connect accessories (20 – 30 minutes) Cooling capacity per computer cabinet p Jim Magallanes ½ - 1 Ton units available LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – A/C Computer Cabinet p A/C Computer Cabinet Features n n n Cooling capacity to match IT load Voltage: 115 V or 230 V Airflow Pattern n Air conditioner Location n Pump to drain/sink/water line Evaporate in exhaust: Poor IAQ Backup Cooling n n Bottom of cabinet to prevent water leak Condensation Removal n n Most IT Equipment: Front to Back Telecom Equipment: Side to Side Backup UPS for cooling Fresh outside air Automatic Restart Airflow Pattern Front to Back Environmental Monitoring Airflow Pattern: Side to Side Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – A/C Computer Cabinet p Pros n n n Low cost Relocate unit from room to room Moves with tenant Little installation required No outdoor equipment Efficient cooling p p n p Brings cooling directly to IT heat source Creates cold aisle/warm aisle for cold inlet temperatures Delivers data center infrastructure to wiring closet Cons n Small heat load on building’s A/C p n n n Typically not a problem Manufacturer specific cabinet No Humidity controls Condensation removal Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – A/C Ceiling Systems p A/C Ceiling Systems n n An A/C ceiling system is a packaged air conditioner that fits above the drop ceiling plenum that only has A/C capabilities. Packaged system p p n Contractor Installation p p n Air Cooled Water-cooled Minimal labor Unit comes pre-charged with refrigerant Cooling Capacity p Jim Magallanes 1 – 5 Ton units available LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – A/C Ceiling Systems p Precision ceiling features n n n Cooling capacity: 1 – 5 Tons Voltage: 115 V or 230 V Condensation removal n n n Pump to drain / sink / water line Gravity drain Air delivery Supply air ducting n Exhaust air ducting n Return air ducting Optional Features n Automatic restart n BMS compatibility n n Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – A/C Ceiling Systems p Pros n Configurable p n n n No floor space required Low profile fits most ceiling plenums Ducting capabilities p p p Air-cooled or water-cooled Cold supply air Exhaust air Cons n n Contractor installed Landlord Approval p n n Leasehold improvement No humidity controls Small heat load on building’s A/C p Jim Magallanes Typically not a problem LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Precision Ceiling Systems p Precision Ceiling Systems n n A precision ceiling system is an air conditioner that fits above the drop ceiling plenum that has humidity and reheat capabilities. Engineered system for specific applications p Packaged or split systems § Packaged: (1) component inside building § Split: Components inside and outside building p n Contractor Installation p p n Air-cooled/water-cooled/chilled water-cooled systems Copper piping/electrical/mounting/condensate line Charges with refrigerant on-site Cooling Capacity p Jim Magallanes 1 – 8 Ton units available LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Precision Ceiling Systems p Precision ceiling features n n n Wide cooling capacity range Voltage: 115 V, 230 V, or 460 V Condensation removal n n n Operational features n n Pump to drain/sink/water line Gravity drain Automatic Restart Air delivery n Jim Magallanes Grille LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Precision Ceiling Systems p Pros n Highly configurable p p n n No floor space required Multiple Options p p Packaged or Split Air-cooled/Water-cooled/chilled water-cooled Humidity controls/alarms/etc… Cons n n n Very high cost May require outdoor heat rejection equipment Plenum space above ceiling is limited Air Delivery is fixed location Landlord Approval p n Leasehold improvement Engineered for application p Jim Magallanes Contractor installed: Expensive LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Cooling Solutions – Comparison Chart Cost / Adaptable Portable Systems Mini Split Systems Low / Flexible Low / Specific Buildings A/C Computer Cabinet Moderate / Flexible A/C Ceiling Systems Moderate / Flexible Precision Ceiling Systems Jim Magallanes High / Flexible Ideal Wiring Closet • • Loads: 1 – 5 Tons • Cost effective solution Requires floor space Works with any building • Little installation required Ideal for backup cooling • Air or water cooled • Loads: 0 – 3 Tons • Close proximity to outside • No floor space • • Comments • Moves with tenant • Comfort cooling design • Cost effective solution • Leasehold improvement Loads: . 5 – 1 Ton/cabinet • Cost effective solution No floor space required Works with any building • Efficient cooling system Optional alarm/Mini DC • Moves with tenant • Little installation required • Loads: 1 – 5 Tons • Low height in plenum • No floor space • Air or water cooled • Loads: 1 – 8 Tons • No Floor space • Alarms needed • Better ROI > 3 Tons • Cost effective solution • Leasehold improvement • Site monitoring system • Leasehold improvement LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

Wiring Closet – Cooling Solution Conclusion p Wiring Closet n Dedicated a/c system p Electronic equipment benefits § Increased life/reliability/server speed § Improve security with locked door n Selecting a cooling solution p p p Building structure Budget Closet requirements § Floor space § Location within building § Available power p n Own/Leasehold improvement Insurance Policy – Mission Critical IT Network p Jim Magallanes Redundant cooling solution for shut-downs (planned/unplanned) LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar

LAN Room and Wiring Closet Cooling p Questions www. CRuptime. com jim@CRuptime. com 303 -908 -8043 Phone Jim Magallanes LAN Room and Wiring Closet Cooling – CTM 2012 Operations Seminar